diff options
130 files changed, 3090 insertions, 1478 deletions
diff --git a/Documentation/devicetree/bindings/arm/mrvl/intc.txt b/Documentation/devicetree/bindings/arm/mrvl/intc.txt index 80b9a94d9a23..8b53273cb22f 100644 --- a/Documentation/devicetree/bindings/arm/mrvl/intc.txt +++ b/Documentation/devicetree/bindings/arm/mrvl/intc.txt @@ -38,3 +38,23 @@ Example: reg-names = "mux status", "mux mask"; mrvl,intc-nr-irqs = <2>; }; + +* Marvell Orion Interrupt controller + +Required properties +- compatible : Should be "marvell,orion-intc". +- #interrupt-cells: Specifies the number of cells needed to encode an + interrupt source. Supported value is <1>. +- interrupt-controller : Declare this node to be an interrupt controller. +- reg : Interrupt mask address. A list of 4 byte ranges, one per controller. + One entry in the list represents 32 interrupts. + +Example: + + intc: interrupt-controller { + compatible = "marvell,orion-intc", "marvell,intc"; + interrupt-controller; + #interrupt-cells = <1>; + reg = <0xfed20204 0x04>, + <0xfed20214 0x04>; + }; diff --git a/Documentation/devicetree/bindings/ata/marvell.txt b/Documentation/devicetree/bindings/ata/marvell.txt new file mode 100644 index 000000000000..b5cdd20cde9c --- /dev/null +++ b/Documentation/devicetree/bindings/ata/marvell.txt @@ -0,0 +1,16 @@ +* Marvell Orion SATA + +Required Properties: +- compatibility : "marvell,orion-sata" +- reg : Address range of controller +- interrupts : Interrupt controller is using +- nr-ports : Number of SATA ports in use. + +Example: + + sata@80000 { + compatible = "marvell,orion-sata"; + reg = <0x80000 0x5000>; + interrupts = <21>; + nr-ports = <2>; + } diff --git a/Documentation/devicetree/bindings/gpio/mrvl-gpio.txt b/Documentation/devicetree/bindings/gpio/mrvl-gpio.txt index 05428f39d9ac..e13787498bcf 100644 --- a/Documentation/devicetree/bindings/gpio/mrvl-gpio.txt +++ b/Documentation/devicetree/bindings/gpio/mrvl-gpio.txt @@ -27,3 +27,26 @@ Example: interrupt-controller; #interrupt-cells = <1>; }; + +* Marvell Orion GPIO Controller + +Required properties: +- compatible : Should be "marvell,orion-gpio" +- reg : Address and length of the register set for controller. +- gpio-controller : So we know this is a gpio controller. +- ngpio : How many gpios this controller has. +- interrupts : Up to 4 Interrupts for the controller. + +Optional properties: +- mask-offset : For SMP Orions, offset for Nth CPU + +Example: + + gpio0: gpio@10100 { + compatible = "marvell,orion-gpio"; + #gpio-cells = <2>; + gpio-controller; + reg = <0x10100 0x40>; + ngpio = <32>; + interrupts = <35>, <36>, <37>, <38>; + }; diff --git a/Documentation/devicetree/bindings/watchdog/marvel.txt b/Documentation/devicetree/bindings/watchdog/marvel.txt new file mode 100644 index 000000000000..0b2503ab0a05 --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/marvel.txt @@ -0,0 +1,14 @@ +* Marvell Orion Watchdog Time + +Required Properties: + +- Compatibility : "marvell,orion-wdt" +- reg : Address of the timer registers + +Example: + + wdt@20300 { + compatible = "marvell,orion-wdt"; + reg = <0x20300 0x28>; + status = "okay"; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 94b823f71e94..b694a9d4e3ba 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -925,14 +925,14 @@ S: Maintained ARM/NOMADIK ARCHITECTURE M: Alessandro Rubini <[email protected]> -M: Linus Walleij <[email protected]> +M: Linus Walleij <[email protected]> M: STEricsson <[email protected]> L: [email protected] (moderated for non-subscribers) S: Maintained F: arch/arm/mach-nomadik/ F: arch/arm/plat-nomadik/ F: drivers/i2c/busses/i2c-nomadik.c -T: git git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson.git +T: git git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-nomadik.git ARM/OPENMOKO NEO FREERUNNER (GTA02) MACHINE SUPPORT M: Nelson Castillo <[email protected]> @@ -1146,7 +1146,7 @@ F: drivers/usb/host/ehci-w90x900.c F: drivers/video/nuc900fb.c ARM/U300 MACHINE SUPPORT -M: Linus Walleij <[email protected]> +M: Linus Walleij <[email protected]> L: [email protected] (moderated for non-subscribers) S: Supported F: arch/arm/mach-u300/ @@ -1161,15 +1161,20 @@ T: git git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson.git ARM/Ux500 ARM ARCHITECTURE M: Srinidhi Kasagar <[email protected]> -M: Linus Walleij <[email protected]> +M: Linus Walleij <[email protected]> L: [email protected] (moderated for non-subscribers) S: Maintained F: arch/arm/mach-ux500/ +F: drivers/clocksource/clksrc-dbx500-prcmu.c F: drivers/dma/ste_dma40* +F: drivers/hwspinlock/u8500_hsem.c F: drivers/mfd/abx500* F: drivers/mfd/ab8500* -F: drivers/mfd/stmpe* +F: drivers/mfd/dbx500* +F: drivers/mfd/db8500* +F: drivers/pinctrl/pinctrl-nomadik* F: drivers/rtc/rtc-ab8500.c +F: drivers/rtc/rtc-pl031.c T: git git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson.git ARM/VFP SUPPORT @@ -3094,7 +3099,7 @@ F: include/linux/gigaset_dev.h GPIO SUBSYSTEM M: Grant Likely <[email protected]> -M: Linus Walleij <[email protected]> +M: Linus Walleij <[email protected]> S: Maintained T: git git://git.secretlab.ca/git/linux-2.6.git F: Documentation/gpio.txt @@ -1,7 +1,7 @@ VERSION = 3 -PATCHLEVEL = 5 +PATCHLEVEL = 6 SUBLEVEL = 0 -EXTRAVERSION = +EXTRAVERSION = -rc1 NAME = Saber-toothed Squirrel # *DOCUMENTATION* diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 7980873525b2..e91c7cdc6fe5 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1151,6 +1151,7 @@ config PLAT_ORION bool select CLKSRC_MMIO select GENERIC_IRQ_CHIP + select IRQ_DOMAIN select COMMON_CLK config PLAT_PXA diff --git a/arch/arm/boot/dts/armada-xp.dtsi b/arch/arm/boot/dts/armada-xp.dtsi index e1fa7e6edfe8..71d6b5d0daf1 100644 --- a/arch/arm/boot/dts/armada-xp.dtsi +++ b/arch/arm/boot/dts/armada-xp.dtsi @@ -12,7 +12,7 @@ * License version 2. This program is licensed "as is" without any * warranty of any kind, whether express or implied. * - * Contains definitions specific to the Armada 370 SoC that are not + * Contains definitions specific to the Armada XP SoC that are not * common to all Armada SoCs. */ diff --git a/arch/arm/boot/dts/imx23.dtsi b/arch/arm/boot/dts/imx23.dtsi index a874dbfb5ae6..e6138310e5ce 100644 --- a/arch/arm/boot/dts/imx23.dtsi +++ b/arch/arm/boot/dts/imx23.dtsi @@ -51,11 +51,11 @@ dma-apbh@80004000 { compatible = "fsl,imx23-dma-apbh"; - reg = <0x80004000 2000>; + reg = <0x80004000 0x2000>; }; ecc@80008000 { - reg = <0x80008000 2000>; + reg = <0x80008000 0x2000>; status = "disabled"; }; @@ -63,7 +63,7 @@ compatible = "fsl,imx23-gpmi-nand"; #address-cells = <1>; #size-cells = <1>; - reg = <0x8000c000 2000>, <0x8000a000 2000>; + reg = <0x8000c000 0x2000>, <0x8000a000 0x2000>; reg-names = "gpmi-nand", "bch"; interrupts = <13>, <56>; interrupt-names = "gpmi-dma", "bch"; @@ -72,14 +72,14 @@ }; ssp0: ssp@80010000 { - reg = <0x80010000 2000>; + reg = <0x80010000 0x2000>; interrupts = <15 14>; fsl,ssp-dma-channel = <1>; status = "disabled"; }; etm@80014000 { - reg = <0x80014000 2000>; + reg = <0x80014000 0x2000>; status = "disabled"; }; @@ -87,7 +87,7 @@ #address-cells = <1>; #size-cells = <0>; compatible = "fsl,imx23-pinctrl", "simple-bus"; - reg = <0x80018000 2000>; + reg = <0x80018000 0x2000>; gpio0: gpio@0 { compatible = "fsl,imx23-gpio", "fsl,mxs-gpio"; @@ -273,32 +273,32 @@ }; emi@80020000 { - reg = <0x80020000 2000>; + reg = <0x80020000 0x2000>; status = "disabled"; }; dma-apbx@80024000 { compatible = "fsl,imx23-dma-apbx"; - reg = <0x80024000 2000>; + reg = <0x80024000 0x2000>; }; dcp@80028000 { - reg = <0x80028000 2000>; + reg = <0x80028000 0x2000>; status = "disabled"; }; pxp@8002a000 { - reg = <0x8002a000 2000>; + reg = <0x8002a000 0x2000>; status = "disabled"; }; ocotp@8002c000 { - reg = <0x8002c000 2000>; + reg = <0x8002c000 0x2000>; status = "disabled"; }; axi-ahb@8002e000 { - reg = <0x8002e000 2000>; + reg = <0x8002e000 0x2000>; status = "disabled"; }; @@ -310,14 +310,14 @@ }; ssp1: ssp@80034000 { - reg = <0x80034000 2000>; + reg = <0x80034000 0x2000>; interrupts = <2 20>; fsl,ssp-dma-channel = <2>; status = "disabled"; }; tvenc@80038000 { - reg = <0x80038000 2000>; + reg = <0x80038000 0x2000>; status = "disabled"; }; }; @@ -330,37 +330,37 @@ ranges; clkctl@80040000 { - reg = <0x80040000 2000>; + reg = <0x80040000 0x2000>; status = "disabled"; }; saif0: saif@80042000 { - reg = <0x80042000 2000>; + reg = <0x80042000 0x2000>; status = "disabled"; }; power@80044000 { - reg = <0x80044000 2000>; + reg = <0x80044000 0x2000>; status = "disabled"; }; saif1: saif@80046000 { - reg = <0x80046000 2000>; + reg = <0x80046000 0x2000>; status = "disabled"; }; audio-out@80048000 { - reg = <0x80048000 2000>; + reg = <0x80048000 0x2000>; status = "disabled"; }; audio-in@8004c000 { - reg = <0x8004c000 2000>; + reg = <0x8004c000 0x2000>; status = "disabled"; }; lradc@80050000 { - reg = <0x80050000 2000>; + reg = <0x80050000 0x2000>; status = "disabled"; }; @@ -370,26 +370,26 @@ }; i2c@80058000 { - reg = <0x80058000 2000>; + reg = <0x80058000 0x2000>; status = "disabled"; }; rtc@8005c000 { compatible = "fsl,imx23-rtc", "fsl,stmp3xxx-rtc"; - reg = <0x8005c000 2000>; + reg = <0x8005c000 0x2000>; interrupts = <22>; }; pwm: pwm@80064000 { compatible = "fsl,imx23-pwm"; - reg = <0x80064000 2000>; + reg = <0x80064000 0x2000>; #pwm-cells = <2>; fsl,pwm-number = <5>; status = "disabled"; }; timrot@80068000 { - reg = <0x80068000 2000>; + reg = <0x80068000 0x2000>; status = "disabled"; }; @@ -429,7 +429,7 @@ ranges; usbctrl@80080000 { - reg = <0x80080000 0x10000>; + reg = <0x80080000 0x40000>; status = "disabled"; }; }; diff --git a/arch/arm/boot/dts/imx28.dtsi b/arch/arm/boot/dts/imx28.dtsi index 787efac68da8..3fa6d190fab4 100644 --- a/arch/arm/boot/dts/imx28.dtsi +++ b/arch/arm/boot/dts/imx28.dtsi @@ -57,18 +57,18 @@ }; hsadc@80002000 { - reg = <0x80002000 2000>; + reg = <0x80002000 0x2000>; interrupts = <13 87>; status = "disabled"; }; dma-apbh@80004000 { compatible = "fsl,imx28-dma-apbh"; - reg = <0x80004000 2000>; + reg = <0x80004000 0x2000>; }; perfmon@80006000 { - reg = <0x80006000 800>; + reg = <0x80006000 0x800>; interrupts = <27>; status = "disabled"; }; @@ -77,7 +77,7 @@ compatible = "fsl,imx28-gpmi-nand"; #address-cells = <1>; #size-cells = <1>; - reg = <0x8000c000 2000>, <0x8000a000 2000>; + reg = <0x8000c000 0x2000>, <0x8000a000 0x2000>; reg-names = "gpmi-nand", "bch"; interrupts = <88>, <41>; interrupt-names = "gpmi-dma", "bch"; @@ -86,28 +86,28 @@ }; ssp0: ssp@80010000 { - reg = <0x80010000 2000>; + reg = <0x80010000 0x2000>; interrupts = <96 82>; fsl,ssp-dma-channel = <0>; status = "disabled"; }; ssp1: ssp@80012000 { - reg = <0x80012000 2000>; + reg = <0x80012000 0x2000>; interrupts = <97 83>; fsl,ssp-dma-channel = <1>; status = "disabled"; }; ssp2: ssp@80014000 { - reg = <0x80014000 2000>; + reg = <0x80014000 0x2000>; interrupts = <98 84>; fsl,ssp-dma-channel = <2>; status = "disabled"; }; ssp3: ssp@80016000 { - reg = <0x80016000 2000>; + reg = <0x80016000 0x2000>; interrupts = <99 85>; fsl,ssp-dma-channel = <3>; status = "disabled"; @@ -117,7 +117,7 @@ #address-cells = <1>; #size-cells = <0>; compatible = "fsl,imx28-pinctrl", "simple-bus"; - reg = <0x80018000 2000>; + reg = <0x80018000 0x2000>; gpio0: gpio@0 { compatible = "fsl,imx28-gpio", "fsl,mxs-gpio"; @@ -510,96 +510,96 @@ }; digctl@8001c000 { - reg = <0x8001c000 2000>; + reg = <0x8001c000 0x2000>; interrupts = <89>; status = "disabled"; }; etm@80022000 { - reg = <0x80022000 2000>; + reg = <0x80022000 0x2000>; status = "disabled"; }; dma-apbx@80024000 { compatible = "fsl,imx28-dma-apbx"; - reg = <0x80024000 2000>; + reg = <0x80024000 0x2000>; }; dcp@80028000 { - reg = <0x80028000 2000>; + reg = <0x80028000 0x2000>; interrupts = <52 53 54>; status = "disabled"; }; pxp@8002a000 { - reg = <0x8002a000 2000>; + reg = <0x8002a000 0x2000>; interrupts = <39>; status = "disabled"; }; ocotp@8002c000 { - reg = <0x8002c000 2000>; + reg = <0x8002c000 0x2000>; status = "disabled"; }; axi-ahb@8002e000 { - reg = <0x8002e000 2000>; + reg = <0x8002e000 0x2000>; status = "disabled"; }; lcdif@80030000 { compatible = "fsl,imx28-lcdif"; - reg = <0x80030000 2000>; + reg = <0x80030000 0x2000>; interrupts = <38 86>; status = "disabled"; }; can0: can@80032000 { compatible = "fsl,imx28-flexcan", "fsl,p1010-flexcan"; - reg = <0x80032000 2000>; + reg = <0x80032000 0x2000>; interrupts = <8>; status = "disabled"; }; can1: can@80034000 { compatible = "fsl,imx28-flexcan", "fsl,p1010-flexcan"; - reg = <0x80034000 2000>; + reg = <0x80034000 0x2000>; interrupts = <9>; status = "disabled"; }; simdbg@8003c000 { - reg = <0x8003c000 200>; + reg = <0x8003c000 0x200>; status = "disabled"; }; simgpmisel@8003c200 { - reg = <0x8003c200 100>; + reg = <0x8003c200 0x100>; status = "disabled"; }; simsspsel@8003c300 { - reg = <0x8003c300 100>; + reg = <0x8003c300 0x100>; status = "disabled"; }; simmemsel@8003c400 { - reg = <0x8003c400 100>; + reg = <0x8003c400 0x100>; status = "disabled"; }; gpiomon@8003c500 { - reg = <0x8003c500 100>; + reg = <0x8003c500 0x100>; status = "disabled"; }; simenet@8003c700 { - reg = <0x8003c700 100>; + reg = <0x8003c700 0x100>; status = "disabled"; }; armjtag@8003c800 { - reg = <0x8003c800 100>; + reg = <0x8003c800 0x100>; status = "disabled"; }; }; @@ -612,45 +612,45 @@ ranges; clkctl@80040000 { - reg = <0x80040000 2000>; + reg = <0x80040000 0x2000>; status = "disabled"; }; saif0: saif@80042000 { compatible = "fsl,imx28-saif"; - reg = <0x80042000 2000>; + reg = <0x80042000 0x2000>; interrupts = <59 80>; fsl,saif-dma-channel = <4>; status = "disabled"; }; power@80044000 { - reg = <0x80044000 2000>; + reg = <0x80044000 0x2000>; status = "disabled"; }; saif1: saif@80046000 { compatible = "fsl,imx28-saif"; - reg = <0x80046000 2000>; + reg = <0x80046000 0x2000>; interrupts = <58 81>; fsl,saif-dma-channel = <5>; status = "disabled"; }; lradc@80050000 { - reg = <0x80050000 2000>; + reg = <0x80050000 0x2000>; status = "disabled"; }; spdif@80054000 { - reg = <0x80054000 2000>; + reg = <0x80054000 0x2000>; interrupts = <45 66>; status = "disabled"; }; rtc@80056000 { compatible = "fsl,imx28-rtc", "fsl,stmp3xxx-rtc"; - reg = <0x80056000 2000>; + reg = <0x80056000 0x2000>; interrupts = <29>; }; @@ -658,7 +658,7 @@ #address-cells = <1>; #size-cells = <0>; compatible = "fsl,imx28-i2c"; - reg = <0x80058000 2000>; + reg = <0x80058000 0x2000>; interrupts = <111 68>; clock-frequency = <100000>; status = "disabled"; @@ -668,7 +668,7 @@ #address-cells = <1>; #size-cells = <0>; compatible = "fsl,imx28-i2c"; - reg = <0x8005a000 2000>; + reg = <0x8005a000 0x2000>; interrupts = <110 69>; clock-frequency = <100000>; status = "disabled"; @@ -676,14 +676,14 @@ pwm: pwm@80064000 { compatible = "fsl,imx28-pwm", "fsl,imx23-pwm"; - reg = <0x80064000 2000>; + reg = <0x80064000 0x2000>; #pwm-cells = <2>; fsl,pwm-number = <8>; status = "disabled"; }; timrot@80068000 { - reg = <0x80068000 2000>; + reg = <0x80068000 0x2000>; status = "disabled"; }; diff --git a/arch/arm/boot/dts/imx51-babbage.dts b/arch/arm/boot/dts/imx51-babbage.dts index de065b5976e6..cd86177a3ea2 100644 --- a/arch/arm/boot/dts/imx51-babbage.dts +++ b/arch/arm/boot/dts/imx51-babbage.dts @@ -53,7 +53,7 @@ spi-max-frequency = <6000000>; reg = <0>; interrupt-parent = <&gpio1>; - interrupts = <8>; + interrupts = <8 0x4>; regulators { sw1_reg: sw1 { diff --git a/arch/arm/boot/dts/imx53-ard.dts b/arch/arm/boot/dts/imx53-ard.dts index 5b8eafcdbeec..da895e93a999 100644 --- a/arch/arm/boot/dts/imx53-ard.dts +++ b/arch/arm/boot/dts/imx53-ard.dts @@ -64,12 +64,32 @@ reg = <0xf4000000 0x2000000>; phy-mode = "mii"; interrupt-parent = <&gpio2>; - interrupts = <31>; + interrupts = <31 0x8>; reg-io-width = <4>; + /* + * VDD33A and VDDVARIO of LAN9220 are supplied by + * SW4_3V3 of LTC3589. Before the regulator driver + * for this PMIC is available, we use a fixed dummy + * 3V3 regulator to get LAN9220 driver probing work. + */ + vdd33a-supply = <®_3p3v>; + vddvario-supply = <®_3p3v>; smsc,irq-push-pull; }; }; + regulators { + compatible = "simple-bus"; + + reg_3p3v: 3p3v { + compatible = "regulator-fixed"; + regulator-name = "3P3V"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + }; + }; + gpio-keys { compatible = "gpio-keys"; diff --git a/arch/arm/boot/dts/imx6q-sabrelite.dts b/arch/arm/boot/dts/imx6q-sabrelite.dts index d42e851ceb97..72f30f3e6171 100644 --- a/arch/arm/boot/dts/imx6q-sabrelite.dts +++ b/arch/arm/boot/dts/imx6q-sabrelite.dts @@ -53,6 +53,7 @@ fsl,pins = < 144 0x80000000 /* MX6Q_PAD_EIM_D22__GPIO_3_22 */ 121 0x80000000 /* MX6Q_PAD_EIM_D19__GPIO_3_19 */ + 953 0x80000000 /* MX6Q_PAD_GPIO_0__CCM_CLKO */ >; }; }; diff --git a/arch/arm/boot/dts/kirkwood-dns320.dts b/arch/arm/boot/dts/kirkwood-dns320.dts index 9a33077130e8..5bb0bf39d3b8 100644 --- a/arch/arm/boot/dts/kirkwood-dns320.dts +++ b/arch/arm/boot/dts/kirkwood-dns320.dts @@ -1,6 +1,6 @@ /dts-v1/; -/include/ "kirkwood.dtsi" +/include/ "kirkwood-dnskw.dtsi" / { model = "D-Link DNS-320 NAS (Rev A1)"; @@ -15,6 +15,31 @@ bootargs = "console=ttyS0,115200n8 earlyprintk"; }; + gpio-leds { + compatible = "gpio-leds"; + blue-power { + label = "dns320:blue:power"; + gpios = <&gpio0 26 1>; /* GPIO 26 Active Low */ + linux,default-trigger = "default-on"; + }; + blue-usb { + label = "dns320:blue:usb"; + gpios = <&gpio1 11 1>; /* GPIO 43 Active Low */ + }; + orange-l_hdd { + label = "dns320:orange:l_hdd"; + gpios = <&gpio0 28 1>; /* GPIO 28 Active Low */ + }; + orange-r_hdd { + label = "dns320:orange:r_hdd"; + gpios = <&gpio0 27 1>; /* GPIO 27 Active Low */ + }; + orange-usb { + label = "dns320:orange:usb"; + gpios = <&gpio1 3 1>; /* GPIO 35 Active Low */ + }; + }; + ocp@f1000000 { serial@12000 { clock-frequency = <166666667>; @@ -25,40 +50,5 @@ clock-frequency = <166666667>; status = "okay"; }; - - nand@3000000 { - status = "okay"; - - partition@0 { - label = "u-boot"; - reg = <0x0000000 0x100000>; - read-only; - }; - - partition@100000 { - label = "uImage"; - reg = <0x0100000 0x500000>; - }; - - partition@600000 { - label = "ramdisk"; - reg = <0x0600000 0x500000>; - }; - - partition@b00000 { - label = "image"; - reg = <0x0b00000 0x6600000>; - }; - - partition@7100000 { - label = "mini firmware"; - reg = <0x7100000 0xa00000>; - }; - - partition@7b00000 { - label = "config"; - reg = <0x7b00000 0x500000>; - }; - }; }; }; diff --git a/arch/arm/boot/dts/kirkwood-dns325.dts b/arch/arm/boot/dts/kirkwood-dns325.dts index 16734c1b5dfe..d430713ea9b9 100644 --- a/arch/arm/boot/dts/kirkwood-dns325.dts +++ b/arch/arm/boot/dts/kirkwood-dns325.dts @@ -1,6 +1,6 @@ /dts-v1/; -/include/ "kirkwood.dtsi" +/include/ "kirkwood-dnskw.dtsi" / { model = "D-Link DNS-325 NAS (Rev A1)"; @@ -15,45 +15,43 @@ bootargs = "console=ttyS0,115200n8 earlyprintk"; }; - ocp@f1000000 { - serial@12000 { - clock-frequency = <200000000>; - status = "okay"; + gpio-leds { + compatible = "gpio-leds"; + white-power { + label = "dns325:white:power"; + gpios = <&gpio0 26 1>; /* GPIO 26 Active Low */ + linux,default-trigger = "default-on"; + }; + white-usb { + label = "dns325:white:usb"; + gpios = <&gpio1 11 1>; /* GPIO 43 Active Low */ + }; + red-l_hdd { + label = "dns325:red:l_hdd"; + gpios = <&gpio0 28 1>; /* GPIO 28 Active Low */ }; + red-r_hdd { + label = "dns325:red:r_hdd"; + gpios = <&gpio0 27 1>; /* GPIO 27 Active Low */ + }; + red-usb { + label = "dns325:red:usb"; + gpios = <&gpio0 29 1>; /* GPIO 29 Active Low */ + }; + }; - nand@3000000 { + ocp@f1000000 { + i2c@11000 { status = "okay"; - partition@0 { - label = "u-boot"; - reg = <0x0000000 0x100000>; - read-only; - }; - - partition@100000 { - label = "uImage"; - reg = <0x0100000 0x500000>; - }; - - partition@600000 { - label = "ramdisk"; - reg = <0x0600000 0x500000>; - }; - - partition@b00000 { - label = "image"; - reg = <0x0b00000 0x6600000>; - }; - - partition@7100000 { - label = "mini firmware"; - reg = <0x7100000 0xa00000>; - }; - - partition@7b00000 { - label = "config"; - reg = <0x7b00000 0x500000>; + lm75: lm75@48 { + compatible = "national,lm75"; + reg = <0x48>; }; }; + serial@12000 { + clock-frequency = <200000000>; + status = "okay"; + }; }; }; diff --git a/arch/arm/boot/dts/kirkwood-dnskw.dtsi b/arch/arm/boot/dts/kirkwood-dnskw.dtsi new file mode 100644 index 000000000000..7408655f91b5 --- /dev/null +++ b/arch/arm/boot/dts/kirkwood-dnskw.dtsi @@ -0,0 +1,69 @@ +/include/ "kirkwood.dtsi" + +/ { + model = "D-Link DNS NASes (kirkwood-based)"; + compatible = "dlink,dns-kirkwood", "marvell,kirkwood-88f6281", "marvell,kirkwood"; + + gpio_keys { + compatible = "gpio-keys"; + #address-cells = <1>; + #size-cells = <0>; + button@1 { + label = "Power button"; + linux,code = <116>; + gpios = <&gpio1 2 1>; + }; + button@2 { + label = "USB unmount button"; + linux,code = <161>; + gpios = <&gpio1 15 1>; + }; + button@3 { + label = "Reset button"; + linux,code = <0x198>; + gpios = <&gpio1 16 1>; + }; + }; + + ocp@f1000000 { + sata@80000 { + status = "okay"; + nr-ports = <2>; + }; + + nand@3000000 { + status = "okay"; + + partition@0 { + label = "u-boot"; + reg = <0x0000000 0x100000>; + read-only; + }; + + partition@100000 { + label = "uImage"; + reg = <0x0100000 0x500000>; + }; + + partition@600000 { + label = "ramdisk"; + reg = <0x0600000 0x500000>; + }; + + partition@b00000 { + label = "image"; + reg = <0x0b00000 0x6600000>; + }; + + partition@7100000 { + label = "mini firmware"; + reg = <0x7100000 0xa00000>; + }; + + partition@7b00000 { + label = "config"; + reg = <0x7b00000 0x500000>; + }; + }; + }; +}; diff --git a/arch/arm/boot/dts/kirkwood-dreamplug.dts b/arch/arm/boot/dts/kirkwood-dreamplug.dts index 78b0f06a09a2..26e281fbf6bc 100644 --- a/arch/arm/boot/dts/kirkwood-dreamplug.dts +++ b/arch/arm/boot/dts/kirkwood-dreamplug.dts @@ -20,5 +20,55 @@ clock-frequency = <200000000>; status = "ok"; }; + + spi@10600 { + status = "okay"; + + m25p40@0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "mx25l1606e"; + reg = <0>; + spi-max-frequency = <50000000>; + mode = <0>; + + partition@0 { + reg = <0x0 0x80000>; + label = "u-boot"; + }; + + partition@100000 { + reg = <0x100000 0x10000>; + label = "u-boot env"; + }; + + partition@180000 { + reg = <0x180000 0x10000>; + label = "dtb"; + }; + }; + }; + + sata@80000 { + status = "okay"; + nr-ports = <1>; + }; + }; + + gpio-leds { + compatible = "gpio-leds"; + + bluetooth { + label = "dreamplug:blue:bluetooth"; + gpios = <&gpio1 15 1>; + }; + wifi { + label = "dreamplug:green:wifi"; + gpios = <&gpio1 16 1>; + }; + wifi-ap { + label = "dreamplug:green:wifi_ap"; + gpios = <&gpio1 17 1>; + }; }; }; diff --git a/arch/arm/boot/dts/kirkwood-goflexnet.dts b/arch/arm/boot/dts/kirkwood-goflexnet.dts new file mode 100644 index 000000000000..7c8238fbb6f9 --- /dev/null +++ b/arch/arm/boot/dts/kirkwood-goflexnet.dts @@ -0,0 +1,99 @@ +/dts-v1/; + +/include/ "kirkwood.dtsi" + +/ { + model = "Seagate GoFlex Net"; + compatible = "seagate,goflexnet", "marvell,kirkwood-88f6281", "marvell,kirkwood"; + + memory { + device_type = "memory"; + reg = <0x00000000 0x8000000>; + }; + + chosen { + bootargs = "console=ttyS0,115200n8 earlyprintk root=/dev/sda1 rootdelay=10"; + }; + + ocp@f1000000 { + serial@12000 { + clock-frequency = <200000000>; + status = "ok"; + }; + + nand@3000000 { + status = "okay"; + + partition@0 { + label = "u-boot"; + reg = <0x0000000 0x100000>; + read-only; + }; + + partition@100000 { + label = "uImage"; + reg = <0x0100000 0x400000>; + }; + + partition@500000 { + label = "pogoplug"; + reg = <0x0500000 0x2000000>; + }; + + partition@2500000 { + label = "root"; + reg = <0x02500000 0xd800000>; + }; + }; + sata@80000 { + status = "okay"; + nr-ports = <2>; + }; + + }; + gpio-leds { + compatible = "gpio-leds"; + + health { + label = "status:green:health"; + gpios = <&gpio1 14 1>; + linux,default-trigger = "default-on"; + }; + fault { + label = "status:orange:fault"; + gpios = <&gpio1 15 1>; + }; + left0 { + label = "status:white:left0"; + gpios = <&gpio1 10 0>; + }; + left1 { + label = "status:white:left1"; + gpios = <&gpio1 11 0>; + }; + left2 { + label = "status:white:left2"; + gpios = <&gpio1 12 0>; + }; + left3 { + label = "status:white:left3"; + gpios = <&gpio1 13 0>; + }; + right0 { + label = "status:white:right0"; + gpios = <&gpio1 6 0>; + }; + right1 { + label = "status:white:right1"; + gpios = <&gpio1 7 0>; + }; + right2 { + label = "status:white:right2"; + gpios = <&gpio1 8 0>; + }; + right3 { + label = "status:white:right3"; + gpios = <&gpio1 9 0>; + }; + }; +}; diff --git a/arch/arm/boot/dts/kirkwood-ib62x0.dts b/arch/arm/boot/dts/kirkwood-ib62x0.dts index f59dcf6dc45f..66794ed75ff1 100644 --- a/arch/arm/boot/dts/kirkwood-ib62x0.dts +++ b/arch/arm/boot/dts/kirkwood-ib62x0.dts @@ -21,6 +21,11 @@ status = "okay"; }; + sata@80000 { + status = "okay"; + nr-ports = <2>; + }; + nand@3000000 { status = "okay"; @@ -41,4 +46,37 @@ }; }; + + gpio_keys { + compatible = "gpio-keys"; + #address-cells = <1>; + #size-cells = <0>; + button@1 { + label = "USB Copy"; + linux,code = <133>; + gpios = <&gpio0 29 1>; + }; + button@2 { + label = "Reset"; + linux,code = <0x198>; + gpios = <&gpio0 28 1>; + }; + }; + gpio-leds { + compatible = "gpio-leds"; + + green-os { + label = "ib62x0:green:os"; + gpios = <&gpio0 25 0>; + linux,default-trigger = "default-on"; + }; + red-os { + label = "ib62x0:red:os"; + gpios = <&gpio0 22 0>; + }; + usb-copy { + label = "ib62x0:red:usb_copy"; + gpios = <&gpio0 27 0>; + }; + }; }; diff --git a/arch/arm/boot/dts/kirkwood-iconnect.dts b/arch/arm/boot/dts/kirkwood-iconnect.dts index 026a1f82d813..52d947045106 100644 --- a/arch/arm/boot/dts/kirkwood-iconnect.dts +++ b/arch/arm/boot/dts/kirkwood-iconnect.dts @@ -18,9 +18,51 @@ }; ocp@f1000000 { + i2c@11000 { + status = "okay"; + + lm63: lm63@4c { + compatible = "national,lm63"; + reg = <0x4c>; + }; + }; serial@12000 { clock-frequency = <200000000>; status = "ok"; }; }; + gpio-leds { + compatible = "gpio-leds"; + + led-level { + label = "led_level"; + gpios = <&gpio1 9 0>; + linux,default-trigger = "default-on"; + }; + power-blue { + label = "power:blue"; + gpios = <&gpio1 11 0>; + linux,default-trigger = "timer"; + }; + usb1 { + label = "usb1:blue"; + gpios = <&gpio1 12 0>; + }; + usb2 { + label = "usb2:blue"; + gpios = <&gpio1 13 0>; + }; + usb3 { + label = "usb3:blue"; + gpios = <&gpio1 14 0>; + }; + usb4 { + label = "usb4:blue"; + gpios = <&gpio1 15 0>; + }; + otb { + label = "otb:blue"; + gpios = <&gpio1 16 0>; + }; + }; }; diff --git a/arch/arm/boot/dts/kirkwood-lschlv2.dts b/arch/arm/boot/dts/kirkwood-lschlv2.dts new file mode 100644 index 000000000000..9510c9ea666c --- /dev/null +++ b/arch/arm/boot/dts/kirkwood-lschlv2.dts @@ -0,0 +1,20 @@ +/dts-v1/; + +/include/ "kirkwood-lsxl.dtsi" + +/ { + model = "Buffalo Linkstation LS-CHLv2"; + compatible = "buffalo,lschlv2", "buffalo,lsxl", "marvell,kirkwood-88f6281", "marvell,kirkwood"; + + memory { + device_type = "memory"; + reg = <0x00000000 0x4000000>; + }; + + ocp@f1000000 { + serial@12000 { + clock-frequency = <166666667>; + status = "okay"; + }; + }; +}; diff --git a/arch/arm/boot/dts/kirkwood-lsxhl.dts b/arch/arm/boot/dts/kirkwood-lsxhl.dts new file mode 100644 index 000000000000..739019c4cba9 --- /dev/null +++ b/arch/arm/boot/dts/kirkwood-lsxhl.dts @@ -0,0 +1,20 @@ +/dts-v1/; + +/include/ "kirkwood-lsxl.dtsi" + +/ { + model = "Buffalo Linkstation LS-XHL"; + compatible = "buffalo,lsxhl", "buffalo,lsxl", "marvell,kirkwood-88f6281", "marvell,kirkwood"; + + memory { + device_type = "memory"; + reg = <0x00000000 0x10000000>; + }; + + ocp@f1000000 { + serial@12000 { + clock-frequency = <200000000>; + status = "okay"; + }; + }; +}; diff --git a/arch/arm/boot/dts/kirkwood-lsxl.dtsi b/arch/arm/boot/dts/kirkwood-lsxl.dtsi new file mode 100644 index 000000000000..8ac51c08269d --- /dev/null +++ b/arch/arm/boot/dts/kirkwood-lsxl.dtsi @@ -0,0 +1,95 @@ +/include/ "kirkwood.dtsi" + +/ { + chosen { + bootargs = "console=ttyS0,115200n8 earlyprintk"; + }; + + ocp@f1000000 { + sata@80000 { + status = "okay"; + nr-ports = <1>; + }; + + spi@10600 { + status = "okay"; + + m25p40@0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "m25p40"; + reg = <0>; + spi-max-frequency = <25000000>; + mode = <0>; + + partition@0 { + reg = <0x0 0x60000>; + label = "uboot"; + read-only; + }; + + partition@60000 { + reg = <0x60000 0x10000>; + label = "dtb"; + read-only; + }; + + partition@70000 { + reg = <0x70000 0x10000>; + label = "uboot_env"; + }; + }; + }; + }; + + gpio_keys { + compatible = "gpio-keys"; + #address-cells = <1>; + #size-cells = <0>; + button@1 { + label = "Function Button"; + linux,code = <132>; + gpios = <&gpio1 9 1>; + }; + button@2 { + label = "Power-on Switch"; + linux,code = <116>; + gpios = <&gpio1 10 1>; + }; + button@3 { + label = "Power-auto Switch"; + linux,code = <142>; + gpios = <&gpio1 11 1>; + }; + }; + + gpio_leds { + compatible = "gpio-leds"; + + led@1 { + label = "lschlv2:blue:func"; + gpios = <&gpio1 4 1>; + }; + + led@2 { + label = "lschlv2:red:alarm"; + gpios = <&gpio1 5 1>; + }; + + led@3 { + label = "lschlv2:amber:info"; + gpios = <&gpio1 6 1>; + }; + + led@4 { + label = "lschlv2:blue:power"; + gpios = <&gpio1 7 1>; + linux,default-trigger = "default-on"; + }; + + led@5 { + label = "lschlv2:red:func"; + gpios = <&gpio1 16 1>; + }; + }; +}; diff --git a/arch/arm/boot/dts/kirkwood-ts219-6281.dts b/arch/arm/boot/dts/kirkwood-ts219-6281.dts new file mode 100644 index 000000000000..ccbf32757800 --- /dev/null +++ b/arch/arm/boot/dts/kirkwood-ts219-6281.dts @@ -0,0 +1,21 @@ +/dts-v1/; + +/include/ "kirkwood-ts219.dtsi" + +/ { + gpio_keys { + compatible = "gpio-keys"; + #address-cells = <1>; + #size-cells = <0>; + button@1 { + label = "USB Copy"; + linux,code = <133>; + gpios = <&gpio0 15 1>; + }; + button@2 { + label = "Reset"; + linux,code = <0x198>; + gpios = <&gpio0 16 1>; + }; + }; +};
\ No newline at end of file diff --git a/arch/arm/boot/dts/kirkwood-ts219-6282.dts b/arch/arm/boot/dts/kirkwood-ts219-6282.dts new file mode 100644 index 000000000000..fbe9932161a1 --- /dev/null +++ b/arch/arm/boot/dts/kirkwood-ts219-6282.dts @@ -0,0 +1,21 @@ +/dts-v1/; + +/include/ "kirkwood-ts219.dtsi" + +/ { + gpio_keys { + compatible = "gpio-keys"; + #address-cells = <1>; + #size-cells = <0>; + button@1 { + label = "USB Copy"; + linux,code = <133>; + gpios = <&gpio1 11 1>; + }; + button@2 { + label = "Reset"; + linux,code = <0x198>; + gpios = <&gpio1 5 1>; + }; + }; +};
\ No newline at end of file diff --git a/arch/arm/boot/dts/kirkwood-ts219.dtsi b/arch/arm/boot/dts/kirkwood-ts219.dtsi new file mode 100644 index 000000000000..64ea27cb3298 --- /dev/null +++ b/arch/arm/boot/dts/kirkwood-ts219.dtsi @@ -0,0 +1,78 @@ +/include/ "kirkwood.dtsi" + +/ { + model = "QNAP TS219 family"; + compatible = "qnap,ts219", "marvell,kirkwood"; + + memory { + device_type = "memory"; + reg = <0x00000000 0x20000000>; + }; + + chosen { + bootargs = "console=ttyS0,115200n8"; + }; + + ocp@f1000000 { + i2c@11000 { + status = "okay"; + clock-frequency = <400000>; + + s35390a: s35390a@30 { + compatible = "s35390a"; + reg = <0x30>; + }; + }; + serial@12000 { + clock-frequency = <200000000>; + status = "okay"; + }; + serial@12100 { + clock-frequency = <200000000>; + status = "okay"; + }; + spi@10600 { + status = "okay"; + + m25p128@0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "m25p128"; + reg = <0>; + spi-max-frequency = <20000000>; + mode = <0>; + + partition@0000000 { + reg = <0x00000000 0x00080000>; + label = "U-Boot"; + }; + + partition@00200000 { + reg = <0x00200000 0x00200000>; + label = "Kernel"; + }; + + partition@00400000 { + reg = <0x00400000 0x00900000>; + label = "RootFS1"; + }; + partition@00d00000 { + reg = <0x00d00000 0x00300000>; + label = "RootFS2"; + }; + partition@00040000 { + reg = <0x00080000 0x00040000>; + label = "U-Boot Config"; + }; + partition@000c0000 { + reg = <0x000c0000 0x00140000>; + label = "NAS Config"; + }; + }; + }; + sata@80000 { + status = "okay"; + nr-ports = <2>; + }; + }; +}; diff --git a/arch/arm/boot/dts/kirkwood.dtsi b/arch/arm/boot/dts/kirkwood.dtsi index f95dbc190ab6..cef9616f330a 100644 --- a/arch/arm/boot/dts/kirkwood.dtsi +++ b/arch/arm/boot/dts/kirkwood.dtsi @@ -2,6 +2,15 @@ / { compatible = "marvell,kirkwood"; + interrupt-parent = <&intc>; + + intc: interrupt-controller { + compatible = "marvell,orion-intc", "marvell,intc"; + interrupt-controller; + #interrupt-cells = <1>; + reg = <0xf1020204 0x04>, + <0xf1020214 0x04>; + }; ocp@f1000000 { compatible = "simple-bus"; @@ -9,6 +18,24 @@ #address-cells = <1>; #size-cells = <1>; + gpio0: gpio@10100 { + compatible = "marvell,orion-gpio"; + #gpio-cells = <2>; + gpio-controller; + reg = <0x10100 0x40>; + ngpio = <32>; + interrupts = <35>, <36>, <37>, <38>; + }; + + gpio1: gpio@10140 { + compatible = "marvell,orion-gpio"; + #gpio-cells = <2>; + gpio-controller; + reg = <0x10140 0x40>; + ngpio = <18>; + interrupts = <39>, <40>, <41>; + }; + serial@12000 { compatible = "ns16550a"; reg = <0x12000 0x100>; @@ -33,6 +60,29 @@ interrupts = <53>; }; + spi@10600 { + compatible = "marvell,orion-spi"; + #address-cells = <1>; + #size-cells = <0>; + cell-index = <0>; + interrupts = <23>; + reg = <0x10600 0x28>; + status = "disabled"; + }; + + wdt@20300 { + compatible = "marvell,orion-wdt"; + reg = <0x20300 0x28>; + status = "okay"; + }; + + sata@80000 { + compatible = "marvell,orion-sata"; + reg = <0x80000 0x5000>; + interrupts = <21>; + status = "disabled"; + }; + nand@3000000 { #address-cells = <1>; #size-cells = <1>; @@ -45,5 +95,15 @@ /* set partition map and/or chip-delay in board dts */ status = "disabled"; }; + + i2c@11000 { + compatible = "marvell,mv64xxx-i2c"; + reg = <0x11000 0x20>; + #address-cells = <1>; + #size-cells = <0>; + interrupts = <29>; + clock-frequency = <100000>; + status = "disabled"; + }; }; }; diff --git a/arch/arm/configs/mxs_defconfig b/arch/arm/configs/mxs_defconfig index ccdb6357fb74..4edcfb4e4dee 100644 --- a/arch/arm/configs/mxs_defconfig +++ b/arch/arm/configs/mxs_defconfig @@ -34,7 +34,6 @@ CONFIG_NO_HZ=y CONFIG_HIGH_RES_TIMERS=y CONFIG_PREEMPT_VOLUNTARY=y CONFIG_AEABI=y -CONFIG_DEFAULT_MMAP_MIN_ADDR=65536 CONFIG_AUTO_ZRELADDR=y CONFIG_FPE_NWFPE=y CONFIG_NET=y diff --git a/arch/arm/mach-dove/irq.c b/arch/arm/mach-dove/irq.c index f07fd16e0c9b..9bc97a5baaa8 100644 --- a/arch/arm/mach-dove/irq.c +++ b/arch/arm/mach-dove/irq.c @@ -20,22 +20,6 @@ #include <mach/bridge-regs.h> #include "common.h" -static void gpio_irq_handler(unsigned int irq, struct irq_desc *desc) -{ - int irqoff; - BUG_ON(irq < IRQ_DOVE_GPIO_0_7 || irq > IRQ_DOVE_HIGH_GPIO); - - irqoff = irq <= IRQ_DOVE_GPIO_16_23 ? irq - IRQ_DOVE_GPIO_0_7 : - 3 + irq - IRQ_DOVE_GPIO_24_31; - - orion_gpio_irq_handler(irqoff << 3); - if (irq == IRQ_DOVE_HIGH_GPIO) { - orion_gpio_irq_handler(40); - orion_gpio_irq_handler(48); - orion_gpio_irq_handler(56); - } -} - static void pmu_irq_mask(struct irq_data *d) { int pin = irq_to_pmu(d->irq); @@ -90,6 +74,27 @@ static void pmu_irq_handler(unsigned int irq, struct irq_desc *desc) } } +static int __initdata gpio0_irqs[4] = { + IRQ_DOVE_GPIO_0_7, + IRQ_DOVE_GPIO_8_15, + IRQ_DOVE_GPIO_16_23, + IRQ_DOVE_GPIO_24_31, +}; + +static int __initdata gpio1_irqs[4] = { + IRQ_DOVE_HIGH_GPIO, + 0, + 0, + 0, +}; + +static int __initdata gpio2_irqs[4] = { + 0, + 0, + 0, + 0, +}; + void __init dove_init_irq(void) { int i; @@ -100,19 +105,14 @@ void __init dove_init_irq(void) /* * Initialize gpiolib for GPIOs 0-71. */ - orion_gpio_init(0, 32, DOVE_GPIO_LO_VIRT_BASE, 0, - IRQ_DOVE_GPIO_START); - irq_set_chained_handler(IRQ_DOVE_GPIO_0_7, gpio_irq_handler); - irq_set_chained_handler(IRQ_DOVE_GPIO_8_15, gpio_irq_handler); - irq_set_chained_handler(IRQ_DOVE_GPIO_16_23, gpio_irq_handler); - irq_set_chained_handler(IRQ_DOVE_GPIO_24_31, gpio_irq_handler); - - orion_gpio_init(32, 32, DOVE_GPIO_HI_VIRT_BASE, 0, - IRQ_DOVE_GPIO_START + 32); - irq_set_chained_handler(IRQ_DOVE_HIGH_GPIO, gpio_irq_handler); - - orion_gpio_init(64, 8, DOVE_GPIO2_VIRT_BASE, 0, - IRQ_DOVE_GPIO_START + 64); + orion_gpio_init(NULL, 0, 32, (void __iomem *)DOVE_GPIO_LO_VIRT_BASE, 0, + IRQ_DOVE_GPIO_START, gpio0_irqs); + + orion_gpio_init(NULL, 32, 32, (void __iomem *)DOVE_GPIO_HI_VIRT_BASE, 0, + IRQ_DOVE_GPIO_START + 32, gpio1_irqs); + + orion_gpio_init(NULL, 64, 8, (void __iomem *)DOVE_GPIO2_VIRT_BASE, 0, + IRQ_DOVE_GPIO_START + 64, gpio2_irqs); /* * Mask and clear PMU interrupts diff --git a/arch/arm/mach-imx/clk-imx51-imx53.c b/arch/arm/mach-imx/clk-imx51-imx53.c index f6086693ebd2..4bdcaa97bd98 100644 --- a/arch/arm/mach-imx/clk-imx51-imx53.c +++ b/arch/arm/mach-imx/clk-imx51-imx53.c @@ -303,6 +303,7 @@ static void __init mx5_clocks_common_init(unsigned long rate_ckil, clk_prepare_enable(clk[aips_tz2]); /* fec */ clk_prepare_enable(clk[spba]); clk_prepare_enable(clk[emi_fast_gate]); /* fec */ + clk_prepare_enable(clk[emi_slow_gate]); /* eim */ clk_prepare_enable(clk[tmax1]); clk_prepare_enable(clk[tmax2]); /* esdhc2, fec */ clk_prepare_enable(clk[tmax3]); /* esdhc1, esdhc4 */ diff --git a/arch/arm/mach-integrator/integrator_ap.c b/arch/arm/mach-integrator/integrator_ap.c index 7b1055c8e0b9..3b2267529f5e 100644 --- a/arch/arm/mach-integrator/integrator_ap.c +++ b/arch/arm/mach-integrator/integrator_ap.c @@ -456,7 +456,7 @@ static void __init ap_init_timer(void) clk = clk_get_sys("ap_timer", NULL); BUG_ON(IS_ERR(clk)); - clk_enable(clk); + clk_prepare_enable(clk); rate = clk_get_rate(clk); writel(0, TIMER0_VA_BASE + TIMER_CTRL); diff --git a/arch/arm/mach-kirkwood/Kconfig b/arch/arm/mach-kirkwood/Kconfig index 199764fe0fb0..ca5c15a4e626 100644 --- a/arch/arm/mach-kirkwood/Kconfig +++ b/arch/arm/mach-kirkwood/Kconfig @@ -80,6 +80,35 @@ config MACH_IB62X0_DT RaidSonic IB-NAS6210 & IB-NAS6220 devices, using Flattened Device Tree. +config MACH_TS219_DT + bool "Device Tree for QNAP TS-11X, TS-21X NAS" + select ARCH_KIRKWOOD_DT + select ARM_APPENDED_DTB + select ARM_ATAG_DTB_COMPAT + help + Say 'Y' here if you want your kernel to support the QNAP + TS-110, TS-119, TS-119P+, TS-210, TS-219, TS-219P and + TS-219P+ Turbo NAS devices using Fattened Device Tree. + There are two different Device Tree descriptions, depending + on if the device is based on an if the board uses the MV6281 + or MV6282. If you have the wrong one, the buttons will not + work. + +config MACH_GOFLEXNET_DT + bool "Seagate GoFlex Net (Flattened Device Tree)" + select ARCH_KIRKWOOD_DT + help + Say 'Y' here if you want your kernel to support the + Seagate GoFlex Net (Flattened Device Tree). + +config MACH_LSXL_DT + bool "Buffalo Linkstation LS-XHL, LS-CHLv2 (Flattened Device Tree)" + select ARCH_KIRKWOOD_DT + help + Say 'Y' here if you want your kernel to support the + Buffalo Linkstation LS-XHL & LS-CHLv2 devices, using + Flattened Device Tree. + config MACH_TS219 bool "QNAP TS-110, TS-119, TS-119P+, TS-210, TS-219, TS-219P and TS-219P+ Turbo NAS" help diff --git a/arch/arm/mach-kirkwood/Makefile b/arch/arm/mach-kirkwood/Makefile index d2b05907b10e..055c85a1cc46 100644 --- a/arch/arm/mach-kirkwood/Makefile +++ b/arch/arm/mach-kirkwood/Makefile @@ -25,3 +25,6 @@ obj-$(CONFIG_MACH_DREAMPLUG_DT) += board-dreamplug.o obj-$(CONFIG_MACH_ICONNECT_DT) += board-iconnect.o obj-$(CONFIG_MACH_DLINK_KIRKWOOD_DT) += board-dnskw.o obj-$(CONFIG_MACH_IB62X0_DT) += board-ib62x0.o +obj-$(CONFIG_MACH_TS219_DT) += board-ts219.o tsx1x-common.o +obj-$(CONFIG_MACH_GOFLEXNET_DT) += board-goflexnet.o +obj-$(CONFIG_MACH_LSXL_DT) += board-lsxl.o diff --git a/arch/arm/mach-kirkwood/Makefile.boot b/arch/arm/mach-kirkwood/Makefile.boot index 02edbdf5b065..a5717558ee89 100644 --- a/arch/arm/mach-kirkwood/Makefile.boot +++ b/arch/arm/mach-kirkwood/Makefile.boot @@ -7,3 +7,7 @@ dtb-$(CONFIG_MACH_DLINK_KIRKWOOD_DT) += kirkwood-dns320.dtb dtb-$(CONFIG_MACH_DLINK_KIRKWOOD_DT) += kirkwood-dns325.dtb dtb-$(CONFIG_MACH_ICONNECT_DT) += kirkwood-iconnect.dtb dtb-$(CONFIG_MACH_IB62X0_DT) += kirkwood-ib62x0.dtb +dtb-$(CONFIG_MACH_TS219_DT) += kirkwood-qnap-ts219.dtb +dtb-$(CONFIG_MACH_GOFLEXNET_DT) += kirkwood-goflexnet.dtb +dtb-$(CONFIG_MACH_LSXL_DT) += kirkwood-lschlv2.dtb +dtb-$(CONFIG_MACH_LSXL_DT) += kirkwood-lsxhl.dtb diff --git a/arch/arm/mach-kirkwood/board-dnskw.c b/arch/arm/mach-kirkwood/board-dnskw.c index 58c2d68f9443..4ab35065a144 100644 --- a/arch/arm/mach-kirkwood/board-dnskw.c +++ b/arch/arm/mach-kirkwood/board-dnskw.c @@ -14,13 +14,11 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/platform_device.h> -#include <linux/i2c.h> #include <linux/ata_platform.h> #include <linux/mv643xx_eth.h> #include <linux/of.h> #include <linux/gpio.h> #include <linux/input.h> -#include <linux/gpio_keys.h> #include <linux/gpio-fan.h> #include <linux/leds.h> #include <asm/mach-types.h> @@ -35,10 +33,6 @@ static struct mv643xx_eth_platform_data dnskw_ge00_data = { .phy_addr = MV643XX_ETH_PHY_ADDR(8), }; -static struct mv_sata_platform_data dnskw_sata_data = { - .n_ports = 2, -}; - static unsigned int dnskw_mpp_config[] __initdata = { MPP13_UART1_TXD, /* Custom ... */ MPP14_UART1_RXD, /* ... Controller (DNS-320 only) */ @@ -73,132 +67,6 @@ static unsigned int dnskw_mpp_config[] __initdata = { 0 }; -static struct gpio_led dns325_led_pins[] = { - { - .name = "dns325:white:power", - .gpio = 26, - .active_low = 1, - .default_trigger = "default-on", - }, - { - .name = "dns325:white:usb", - .gpio = 43, - .active_low = 1, - }, - { - .name = "dns325:red:l_hdd", - .gpio = 28, - .active_low = 1, - }, - { - .name = "dns325:red:r_hdd", - .gpio = 27, - .active_low = 1, - }, - { - .name = "dns325:red:usb", - .gpio = 29, - .active_low = 1, - }, -}; - -static struct gpio_led_platform_data dns325_led_data = { - .num_leds = ARRAY_SIZE(dns325_led_pins), - .leds = dns325_led_pins, -}; - -static struct platform_device dns325_led_device = { - .name = "leds-gpio", - .id = -1, - .dev = { - .platform_data = &dns325_led_data, - }, -}; - -static struct gpio_led dns320_led_pins[] = { - { - .name = "dns320:blue:power", - .gpio = 26, - .active_low = 1, - .default_trigger = "default-on", - }, - { - .name = "dns320:blue:usb", - .gpio = 43, - .active_low = 1, - }, - { - .name = "dns320:orange:l_hdd", - .gpio = 28, - .active_low = 1, - }, - { - .name = "dns320:orange:r_hdd", - .gpio = 27, - .active_low = 1, - }, - { - .name = "dns320:orange:usb", - .gpio = 35, - .active_low = 1, - }, -}; - -static struct gpio_led_platform_data dns320_led_data = { - .num_leds = ARRAY_SIZE(dns320_led_pins), - .leds = dns320_led_pins, -}; - -static struct platform_device dns320_led_device = { - .name = "leds-gpio", - .id = -1, - .dev = { - .platform_data = &dns320_led_data, - }, -}; - -static struct i2c_board_info dns325_i2c_board_info[] __initdata = { - { - I2C_BOARD_INFO("lm75", 0x48), - }, - /* Something at 0x0c also */ -}; - -static struct gpio_keys_button dnskw_button_pins[] = { - { - .code = KEY_POWER, - .gpio = 34, - .desc = "Power button", - .active_low = 1, - }, - { - .code = KEY_EJECTCD, - .gpio = 47, - .desc = "USB unmount button", - .active_low = 1, - }, - { - .code = KEY_RESTART, - .gpio = 48, - .desc = "Reset button", - .active_low = 1, - }, -}; - -static struct gpio_keys_platform_data dnskw_button_data = { - .buttons = dnskw_button_pins, - .nbuttons = ARRAY_SIZE(dnskw_button_pins), -}; - -static struct platform_device dnskw_button_device = { - .name = "gpio-keys", - .id = -1, - .num_resources = 0, - .dev = { - .platform_data = &dnskw_button_data, - } -}; - /* Fan: ADDA AD045HB-G73 40mm 6000rpm@5v */ static struct gpio_fan_speed dnskw_fan_speed[] = { { 0, 0 }, @@ -245,20 +113,9 @@ void __init dnskw_init(void) kirkwood_ehci_init(); kirkwood_ge00_init(&dnskw_ge00_data); - kirkwood_sata_init(&dnskw_sata_data); - kirkwood_i2c_init(); - platform_device_register(&dnskw_button_device); platform_device_register(&dnskw_fan_device); - if (of_machine_is_compatible("dlink,dns-325")) { - i2c_register_board_info(0, dns325_i2c_board_info, - ARRAY_SIZE(dns325_i2c_board_info)); - platform_device_register(&dns325_led_device); - - } else if (of_machine_is_compatible("dlink,dns-320")) - platform_device_register(&dns320_led_device); - /* Register power-off GPIO. */ if (gpio_request(36, "dnskw:power:off") == 0 && gpio_direction_output(36, 0) == 0) diff --git a/arch/arm/mach-kirkwood/board-dreamplug.c b/arch/arm/mach-kirkwood/board-dreamplug.c index 55e357ab2923..aeb234d0d0e3 100644 --- a/arch/arm/mach-kirkwood/board-dreamplug.c +++ b/arch/arm/mach-kirkwood/board-dreamplug.c @@ -14,7 +14,6 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/platform_device.h> -#include <linux/mtd/partitions.h> #include <linux/ata_platform.h> #include <linux/mv643xx_eth.h> #include <linux/of.h> @@ -23,7 +22,6 @@ #include <linux/of_irq.h> #include <linux/of_platform.h> #include <linux/gpio.h> -#include <linux/leds.h> #include <linux/mtd/physmap.h> #include <linux/spi/flash.h> #include <linux/spi/spi.h> @@ -36,42 +34,6 @@ #include "common.h" #include "mpp.h" -struct mtd_partition dreamplug_partitions[] = { - { - .name = "u-boot", - .size = SZ_512K, - .offset = 0, - }, - { - .name = "u-boot env", - .size = SZ_64K, - .offset = SZ_512K + SZ_512K, - }, - { - .name = "dtb", - .size = SZ_64K, - .offset = SZ_512K + SZ_512K + SZ_512K, - }, -}; - -static const struct flash_platform_data dreamplug_spi_slave_data = { - .type = "mx25l1606e", - .name = "spi_flash", - .parts = dreamplug_partitions, - .nr_parts = ARRAY_SIZE(dreamplug_partitions), -}; - -static struct spi_board_info __initdata dreamplug_spi_slave_info[] = { - { - .modalias = "m25p80", - .platform_data = &dreamplug_spi_slave_data, - .irq = -1, - .max_speed_hz = 50000000, - .bus_num = 0, - .chip_select = 0, - }, -}; - static struct mv643xx_eth_platform_data dreamplug_ge00_data = { .phy_addr = MV643XX_ETH_PHY_ADDR(0), }; @@ -80,45 +42,10 @@ static struct mv643xx_eth_platform_data dreamplug_ge01_data = { .phy_addr = MV643XX_ETH_PHY_ADDR(1), }; -static struct mv_sata_platform_data dreamplug_sata_data = { - .n_ports = 1, -}; - static struct mvsdio_platform_data dreamplug_mvsdio_data = { /* unfortunately the CD signal has not been connected */ }; -static struct gpio_led dreamplug_led_pins[] = { - { - .name = "dreamplug:blue:bluetooth", - .gpio = 47, - .active_low = 1, - }, - { - .name = "dreamplug:green:wifi", - .gpio = 48, - .active_low = 1, - }, - { - .name = "dreamplug:green:wifi_ap", - .gpio = 49, - .active_low = 1, - }, -}; - -static struct gpio_led_platform_data dreamplug_led_data = { - .leds = dreamplug_led_pins, - .num_leds = ARRAY_SIZE(dreamplug_led_pins), -}; - -static struct platform_device dreamplug_leds = { - .name = "leds-gpio", - .id = -1, - .dev = { - .platform_data = &dreamplug_led_data, - } -}; - static unsigned int dreamplug_mpp_config[] __initdata = { MPP0_SPI_SCn, MPP1_SPI_MOSI, @@ -137,15 +64,8 @@ void __init dreamplug_init(void) */ kirkwood_mpp_conf(dreamplug_mpp_config); - spi_register_board_info(dreamplug_spi_slave_info, - ARRAY_SIZE(dreamplug_spi_slave_info)); - kirkwood_spi_init(); - kirkwood_ehci_init(); kirkwood_ge00_init(&dreamplug_ge00_data); kirkwood_ge01_init(&dreamplug_ge01_data); - kirkwood_sata_init(&dreamplug_sata_data); kirkwood_sdio_init(&dreamplug_mvsdio_data); - - platform_device_register(&dreamplug_leds); } diff --git a/arch/arm/mach-kirkwood/board-dt.c b/arch/arm/mach-kirkwood/board-dt.c index edc3f8a9d45e..e4eb450de301 100644 --- a/arch/arm/mach-kirkwood/board-dt.c +++ b/arch/arm/mach-kirkwood/board-dt.c @@ -18,6 +18,7 @@ #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <mach/bridge-regs.h> +#include <plat/irq.h> #include "common.h" static struct of_device_id kirkwood_dt_match_table[] __initdata = { @@ -25,6 +26,16 @@ static struct of_device_id kirkwood_dt_match_table[] __initdata = { { } }; +struct of_dev_auxdata kirkwood_auxdata_lookup[] __initdata = { + OF_DEV_AUXDATA("marvell,orion-spi", 0xf1010600, "orion_spi.0", NULL), + OF_DEV_AUXDATA("marvell,mv64xxx-i2c", 0xf1011000, "mv64xxx_i2c.0", + NULL), + OF_DEV_AUXDATA("marvell,orion-wdt", 0xf1020300, "orion_wdt", NULL), + OF_DEV_AUXDATA("marvell,orion-sata", 0xf1080000, "sata_mv.0", NULL), + OF_DEV_AUXDATA("marvell,orion-nand", 0xf4000000, "orion_nand", NULL), + {}, +}; + static void __init kirkwood_dt_init(void) { pr_info("Kirkwood: %s, TCLK=%d.\n", kirkwood_id(), kirkwood_tclk); @@ -47,7 +58,6 @@ static void __init kirkwood_dt_init(void) kirkwood_clk_init(); /* internal devices that every board has */ - kirkwood_wdt_init(); kirkwood_xor0_init(); kirkwood_xor1_init(); kirkwood_crypto_init(); @@ -68,7 +78,17 @@ static void __init kirkwood_dt_init(void) if (of_machine_is_compatible("raidsonic,ib-nas62x0")) ib62x0_init(); - of_platform_populate(NULL, kirkwood_dt_match_table, NULL, NULL); + if (of_machine_is_compatible("qnap,ts219")) + qnap_dt_ts219_init(); + + if (of_machine_is_compatible("seagate,goflexnet")) + goflexnet_init(); + + if (of_machine_is_compatible("buffalo,lsxl")) + lsxl_init(); + + of_platform_populate(NULL, kirkwood_dt_match_table, + kirkwood_auxdata_lookup, NULL); } static const char *kirkwood_dt_board_compat[] = { @@ -77,6 +97,9 @@ static const char *kirkwood_dt_board_compat[] = { "dlink,dns-325", "iom,iconnect", "raidsonic,ib-nas62x0", + "qnap,ts219", + "seagate,goflexnet", + "buffalo,lsxl", NULL }; @@ -84,7 +107,7 @@ DT_MACHINE_START(KIRKWOOD_DT, "Marvell Kirkwood (Flattened Device Tree)") /* Maintainer: Jason Cooper <[email protected]> */ .map_io = kirkwood_map_io, .init_early = kirkwood_init_early, - .init_irq = kirkwood_init_irq, + .init_irq = orion_dt_init_irq, .timer = &kirkwood_timer, .init_machine = kirkwood_dt_init, .restart = kirkwood_restart, diff --git a/arch/arm/mach-kirkwood/board-goflexnet.c b/arch/arm/mach-kirkwood/board-goflexnet.c new file mode 100644 index 000000000000..413e2c8ef5fe --- /dev/null +++ b/arch/arm/mach-kirkwood/board-goflexnet.c @@ -0,0 +1,71 @@ +/* + * Copyright 2012 (C), Jason Cooper <[email protected]> + * + * arch/arm/mach-kirkwood/board-goflexnet.c + * + * Seagate GoFlext Net Board Init for drivers not converted to + * flattened device tree yet. + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + * + * Copied and modified for Seagate GoFlex Net support by + * Joshua Coombs <[email protected]> based on ArchLinux ARM's + * GoFlex kernel patches. + * + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/ata_platform.h> +#include <linux/mv643xx_eth.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/of_fdt.h> +#include <linux/of_irq.h> +#include <linux/of_platform.h> +#include <linux/gpio.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <mach/kirkwood.h> +#include <mach/bridge-regs.h> +#include <plat/mvsdio.h> +#include "common.h" +#include "mpp.h" + +static struct mv643xx_eth_platform_data goflexnet_ge00_data = { + .phy_addr = MV643XX_ETH_PHY_ADDR(0), +}; + +static unsigned int goflexnet_mpp_config[] __initdata = { + MPP29_GPIO, /* USB Power Enable */ + MPP47_GPIO, /* LED Orange */ + MPP46_GPIO, /* LED Green */ + MPP45_GPIO, /* LED Left Capacity 3 */ + MPP44_GPIO, /* LED Left Capacity 2 */ + MPP43_GPIO, /* LED Left Capacity 1 */ + MPP42_GPIO, /* LED Left Capacity 0 */ + MPP41_GPIO, /* LED Right Capacity 3 */ + MPP40_GPIO, /* LED Right Capacity 2 */ + MPP39_GPIO, /* LED Right Capacity 1 */ + MPP38_GPIO, /* LED Right Capacity 0 */ + 0 +}; + +void __init goflexnet_init(void) +{ + /* + * Basic setup. Needs to be called early. + */ + kirkwood_mpp_conf(goflexnet_mpp_config); + + if (gpio_request(29, "USB Power Enable") != 0 || + gpio_direction_output(29, 1) != 0) + pr_err("can't setup GPIO 29 (USB Power Enable)\n"); + kirkwood_ehci_init(); + + kirkwood_ge00_init(&goflexnet_ge00_data); +} diff --git a/arch/arm/mach-kirkwood/board-ib62x0.c b/arch/arm/mach-kirkwood/board-ib62x0.c index eddf1df8891f..cfc47f80e734 100644 --- a/arch/arm/mach-kirkwood/board-ib62x0.c +++ b/arch/arm/mach-kirkwood/board-ib62x0.c @@ -18,9 +18,7 @@ #include <linux/ata_platform.h> #include <linux/mv643xx_eth.h> #include <linux/gpio.h> -#include <linux/gpio_keys.h> #include <linux/input.h> -#include <linux/leds.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <mach/kirkwood.h> @@ -33,10 +31,6 @@ static struct mv643xx_eth_platform_data ib62x0_ge00_data = { .phy_addr = MV643XX_ETH_PHY_ADDR(8), }; -static struct mv_sata_platform_data ib62x0_sata_data = { - .n_ports = 2, -}; - static unsigned int ib62x0_mpp_config[] __initdata = { MPP0_NF_IO2, MPP1_NF_IO3, @@ -55,69 +49,6 @@ static unsigned int ib62x0_mpp_config[] __initdata = { 0 }; -static struct gpio_led ib62x0_led_pins[] = { - { - .name = "ib62x0:green:os", - .default_trigger = "default-on", - .gpio = 25, - .active_low = 0, - }, - { - .name = "ib62x0:red:os", - .default_trigger = "none", - .gpio = 22, - .active_low = 0, - }, - { - .name = "ib62x0:red:usb_copy", - .default_trigger = "none", - .gpio = 27, - .active_low = 0, - }, -}; - -static struct gpio_led_platform_data ib62x0_led_data = { - .leds = ib62x0_led_pins, - .num_leds = ARRAY_SIZE(ib62x0_led_pins), -}; - -static struct platform_device ib62x0_led_device = { - .name = "leds-gpio", - .id = -1, - .dev = { - .platform_data = &ib62x0_led_data, - } -}; - -static struct gpio_keys_button ib62x0_button_pins[] = { - { - .code = KEY_COPY, - .gpio = 29, - .desc = "USB Copy", - .active_low = 1, - }, - { - .code = KEY_RESTART, - .gpio = 28, - .desc = "Reset", - .active_low = 1, - }, -}; - -static struct gpio_keys_platform_data ib62x0_button_data = { - .buttons = ib62x0_button_pins, - .nbuttons = ARRAY_SIZE(ib62x0_button_pins), -}; - -static struct platform_device ib62x0_button_device = { - .name = "gpio-keys", - .id = -1, - .num_resources = 0, - .dev = { - .platform_data = &ib62x0_button_data, - } -}; - static void ib62x0_power_off(void) { gpio_set_value(IB62X0_GPIO_POWER_OFF, 1); @@ -132,9 +63,6 @@ void __init ib62x0_init(void) kirkwood_ehci_init(); kirkwood_ge00_init(&ib62x0_ge00_data); - kirkwood_sata_init(&ib62x0_sata_data); - platform_device_register(&ib62x0_led_device); - platform_device_register(&ib62x0_button_device); if (gpio_request(IB62X0_GPIO_POWER_OFF, "ib62x0:power:off") == 0 && gpio_direction_output(IB62X0_GPIO_POWER_OFF, 0) == 0) pm_power_off = ib62x0_power_off; diff --git a/arch/arm/mach-kirkwood/board-iconnect.c b/arch/arm/mach-kirkwood/board-iconnect.c index b0d3cc49269d..d7a9198ed300 100644 --- a/arch/arm/mach-kirkwood/board-iconnect.c +++ b/arch/arm/mach-kirkwood/board-iconnect.c @@ -19,8 +19,6 @@ #include <linux/mtd/partitions.h> #include <linux/mv643xx_eth.h> #include <linux/gpio.h> -#include <linux/leds.h> -#include <linux/i2c.h> #include <linux/input.h> #include <linux/gpio_keys.h> #include <asm/mach/arch.h> @@ -32,50 +30,6 @@ static struct mv643xx_eth_platform_data iconnect_ge00_data = { .phy_addr = MV643XX_ETH_PHY_ADDR(11), }; -static struct gpio_led iconnect_led_pins[] = { - { - .name = "led_level", - .gpio = 41, - .default_trigger = "default-on", - }, { - .name = "power:blue", - .gpio = 42, - .default_trigger = "timer", - }, { - .name = "power:red", - .gpio = 43, - }, { - .name = "usb1:blue", - .gpio = 44, - }, { - .name = "usb2:blue", - .gpio = 45, - }, { - .name = "usb3:blue", - .gpio = 46, - }, { - .name = "usb4:blue", - .gpio = 47, - }, { - .name = "otb:blue", - .gpio = 48, - }, -}; - -static struct gpio_led_platform_data iconnect_led_data = { - .leds = iconnect_led_pins, - .num_leds = ARRAY_SIZE(iconnect_led_pins), - .gpio_blink_set = orion_gpio_led_blink_set, -}; - -static struct platform_device iconnect_leds = { - .name = "leds-gpio", - .id = -1, - .dev = { - .platform_data = &iconnect_led_data, - } -}; - static unsigned int iconnect_mpp_config[] __initdata = { MPP12_GPIO, MPP35_GPIO, @@ -90,12 +44,6 @@ static unsigned int iconnect_mpp_config[] __initdata = { 0 }; -static struct i2c_board_info __initdata iconnect_board_info[] = { - { - I2C_BOARD_INFO("lm63", 0x4c), - }, -}; - static struct mtd_partition iconnect_nand_parts[] = { { .name = "flash", @@ -142,15 +90,11 @@ void __init iconnect_init(void) { kirkwood_mpp_conf(iconnect_mpp_config); kirkwood_nand_init(ARRAY_AND_SIZE(iconnect_nand_parts), 25); - kirkwood_i2c_init(); - i2c_register_board_info(0, iconnect_board_info, - ARRAY_SIZE(iconnect_board_info)); kirkwood_ehci_init(); kirkwood_ge00_init(&iconnect_ge00_data); platform_device_register(&iconnect_button_device); - platform_device_register(&iconnect_leds); } static int __init iconnect_pci_init(void) diff --git a/arch/arm/mach-kirkwood/board-lsxl.c b/arch/arm/mach-kirkwood/board-lsxl.c new file mode 100644 index 000000000000..83d8975592f8 --- /dev/null +++ b/arch/arm/mach-kirkwood/board-lsxl.c @@ -0,0 +1,135 @@ +/* + * Copyright 2012 (C), Michael Walle <[email protected]> + * + * arch/arm/mach-kirkwood/board-lsxl.c + * + * Buffalo Linkstation LS-XHL and LS-CHLv2 init for drivers not + * converted to flattened device tree yet. + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/mtd/partitions.h> +#include <linux/ata_platform.h> +#include <linux/spi/flash.h> +#include <linux/spi/spi.h> +#include <linux/mv643xx_eth.h> +#include <linux/gpio.h> +#include <linux/gpio-fan.h> +#include <linux/input.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <mach/kirkwood.h> +#include "common.h" +#include "mpp.h" + +static struct mv643xx_eth_platform_data lsxl_ge00_data = { + .phy_addr = MV643XX_ETH_PHY_ADDR(0), +}; + +static struct mv643xx_eth_platform_data lsxl_ge01_data = { + .phy_addr = MV643XX_ETH_PHY_ADDR(8), +}; + +static unsigned int lsxl_mpp_config[] __initdata = { + MPP10_GPO, /* HDD Power Enable */ + MPP11_GPIO, /* USB Vbus Enable */ + MPP18_GPO, /* FAN High Enable# */ + MPP19_GPO, /* FAN Low Enable# */ + MPP36_GPIO, /* Function Blue LED */ + MPP37_GPIO, /* Alarm LED */ + MPP38_GPIO, /* Info LED */ + MPP39_GPIO, /* Power LED */ + MPP40_GPIO, /* Fan Lock */ + MPP41_GPIO, /* Function Button */ + MPP42_GPIO, /* Power Switch */ + MPP43_GPIO, /* Power Auto Switch */ + MPP48_GPIO, /* Function Red LED */ + 0 +}; + +#define LSXL_GPIO_FAN_HIGH 18 +#define LSXL_GPIO_FAN_LOW 19 +#define LSXL_GPIO_FAN_LOCK 40 + +static struct gpio_fan_alarm lsxl_alarm = { + .gpio = LSXL_GPIO_FAN_LOCK, +}; + +static struct gpio_fan_speed lsxl_speeds[] = { + { + .rpm = 0, + .ctrl_val = 3, + }, { + .rpm = 1500, + .ctrl_val = 1, + }, { + .rpm = 3250, + .ctrl_val = 2, + }, { + .rpm = 5000, + .ctrl_val = 0, + } +}; + +static int lsxl_gpio_list[] = { + LSXL_GPIO_FAN_HIGH, LSXL_GPIO_FAN_LOW, +}; + +static struct gpio_fan_platform_data lsxl_fan_data = { + .num_ctrl = ARRAY_SIZE(lsxl_gpio_list), + .ctrl = lsxl_gpio_list, + .alarm = &lsxl_alarm, + .num_speed = ARRAY_SIZE(lsxl_speeds), + .speed = lsxl_speeds, +}; + +static struct platform_device lsxl_fan_device = { + .name = "gpio-fan", + .id = -1, + .num_resources = 0, + .dev = { + .platform_data = &lsxl_fan_data, + }, +}; + +/* + * On the LS-XHL/LS-CHLv2, the shutdown process is following: + * - Userland monitors key events until the power switch goes to off position + * - The board reboots + * - U-boot starts and goes into an idle mode waiting for the user + * to move the switch to ON position + * + */ +static void lsxl_power_off(void) +{ + kirkwood_restart('h', NULL); +} + +#define LSXL_GPIO_HDD_POWER 10 +#define LSXL_GPIO_USB_POWER 11 + +void __init lsxl_init(void) +{ + /* + * Basic setup. Needs to be called early. + */ + kirkwood_mpp_conf(lsxl_mpp_config); + + /* usb and sata power on */ + gpio_set_value(LSXL_GPIO_USB_POWER, 1); + gpio_set_value(LSXL_GPIO_HDD_POWER, 1); + + kirkwood_ehci_init(); + kirkwood_ge00_init(&lsxl_ge00_data); + kirkwood_ge01_init(&lsxl_ge01_data); + platform_device_register(&lsxl_fan_device); + + /* register power-off method */ + pm_power_off = lsxl_power_off; +} diff --git a/arch/arm/mach-kirkwood/board-ts219.c b/arch/arm/mach-kirkwood/board-ts219.c new file mode 100644 index 000000000000..1750e68506c1 --- /dev/null +++ b/arch/arm/mach-kirkwood/board-ts219.c @@ -0,0 +1,82 @@ +/* + * + * QNAP TS-11x/TS-21x Turbo NAS Board Setup via DT + * + * Copyright (C) 2012 Andrew Lunn <[email protected]> + * + * Based on the board file ts219-setup.c: + * + * Copyright (C) 2009 Martin Michlmayr <[email protected]> + * Copyright (C) 2008 Byron Bradley <[email protected]> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/mv643xx_eth.h> +#include <linux/ata_platform.h> +#include <linux/gpio_keys.h> +#include <linux/input.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <mach/kirkwood.h> +#include "common.h" +#include "mpp.h" +#include "tsx1x-common.h" + +static struct mv643xx_eth_platform_data qnap_ts219_ge00_data = { + .phy_addr = MV643XX_ETH_PHY_ADDR(8), +}; + +static unsigned int qnap_ts219_mpp_config[] __initdata = { + MPP0_SPI_SCn, + MPP1_SPI_MOSI, + MPP2_SPI_SCK, + MPP3_SPI_MISO, + MPP4_SATA1_ACTn, + MPP5_SATA0_ACTn, + MPP8_TW0_SDA, + MPP9_TW0_SCK, + MPP10_UART0_TXD, + MPP11_UART0_RXD, + MPP13_UART1_TXD, /* PIC controller */ + MPP14_UART1_RXD, /* PIC controller */ + MPP15_GPIO, /* USB Copy button (on devices with 88F6281) */ + MPP16_GPIO, /* Reset button (on devices with 88F6281) */ + MPP36_GPIO, /* RAM: 0: 256 MB, 1: 512 MB */ + MPP37_GPIO, /* Reset button (on devices with 88F6282) */ + MPP43_GPIO, /* USB Copy button (on devices with 88F6282) */ + MPP44_GPIO, /* Board ID: 0: TS-11x, 1: TS-21x */ + 0 +}; + +void __init qnap_dt_ts219_init(void) +{ + u32 dev, rev; + + kirkwood_mpp_conf(qnap_ts219_mpp_config); + + kirkwood_pcie_id(&dev, &rev); + if (dev == MV88F6282_DEV_ID) + qnap_ts219_ge00_data.phy_addr = MV643XX_ETH_PHY_ADDR(0); + + kirkwood_ge00_init(&qnap_ts219_ge00_data); + kirkwood_ehci_init(); + + pm_power_off = qnap_tsx1x_power_off; +} + +/* FIXME: Will not work with DT. Maybe use MPP40_GPIO? */ +static int __init ts219_pci_init(void) +{ + if (machine_is_ts219()) + kirkwood_pcie_init(KW_PCIE0); + + return 0; +} +subsys_initcall(ts219_pci_init); diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c index c9201539ffbd..c4b64adcbfce 100644 --- a/arch/arm/mach-kirkwood/common.c +++ b/arch/arm/mach-kirkwood/common.c @@ -17,6 +17,7 @@ #include <linux/dma-mapping.h> #include <linux/clk-provider.h> #include <linux/spinlock.h> +#include <linux/mv643xx_i2c.h> #include <net/dsa.h> #include <asm/page.h> #include <asm/timex.h> @@ -276,6 +277,7 @@ void __init kirkwood_clk_init(void) orion_clkdev_add("0", "pcie", pex0); orion_clkdev_add("1", "pcie", pex1); orion_clkdev_add(NULL, "kirkwood-i2s", audio); + orion_clkdev_add(NULL, MV64XXX_I2C_CTLR_NAME ".0", runit); /* Marvell says runit is used by SPI, UART, NAND, TWSI, ..., * so should never be gated. diff --git a/arch/arm/mach-kirkwood/common.h b/arch/arm/mach-kirkwood/common.h index 9248fa2c165b..304dd1abfdca 100644 --- a/arch/arm/mach-kirkwood/common.h +++ b/arch/arm/mach-kirkwood/common.h @@ -58,6 +58,11 @@ void dreamplug_init(void); #else static inline void dreamplug_init(void) {}; #endif +#ifdef CONFIG_MACH_TS219_DT +void qnap_dt_ts219_init(void); +#else +static inline void qnap_dt_ts219_init(void) {}; +#endif #ifdef CONFIG_MACH_DLINK_KIRKWOOD_DT void dnskw_init(void); @@ -77,6 +82,18 @@ void ib62x0_init(void); static inline void ib62x0_init(void) {}; #endif +#ifdef CONFIG_MACH_GOFLEXNET_DT +void goflexnet_init(void); +#else +static inline void goflexnet_init(void) {}; +#endif + +#ifdef CONFIG_MACH_LSXL_DT +void lsxl_init(void); +#else +static inline void lsxl_init(void) {}; +#endif + /* early init functions not converted to fdt yet */ char *kirkwood_id(void); void kirkwood_l2_init(void); diff --git a/arch/arm/mach-kirkwood/irq.c b/arch/arm/mach-kirkwood/irq.c index c4c68e5b94f1..720063ffa19d 100644 --- a/arch/arm/mach-kirkwood/irq.c +++ b/arch/arm/mach-kirkwood/irq.c @@ -9,20 +9,23 @@ */ #include <linux/gpio.h> #include <linux/kernel.h> -#include <linux/init.h> #include <linux/irq.h> -#include <linux/io.h> #include <mach/bridge-regs.h> #include <plat/irq.h> -#include "common.h" -static void gpio_irq_handler(unsigned int irq, struct irq_desc *desc) -{ - BUG_ON(irq < IRQ_KIRKWOOD_GPIO_LOW_0_7); - BUG_ON(irq > IRQ_KIRKWOOD_GPIO_HIGH_16_23); +static int __initdata gpio0_irqs[4] = { + IRQ_KIRKWOOD_GPIO_LOW_0_7, + IRQ_KIRKWOOD_GPIO_LOW_8_15, + IRQ_KIRKWOOD_GPIO_LOW_16_23, + IRQ_KIRKWOOD_GPIO_LOW_24_31, +}; - orion_gpio_irq_handler((irq - IRQ_KIRKWOOD_GPIO_LOW_0_7) << 3); -} +static int __initdata gpio1_irqs[4] = { + IRQ_KIRKWOOD_GPIO_HIGH_0_7, + IRQ_KIRKWOOD_GPIO_HIGH_8_15, + IRQ_KIRKWOOD_GPIO_HIGH_16_23, + 0, +}; void __init kirkwood_init_irq(void) { @@ -32,17 +35,8 @@ void __init kirkwood_init_irq(void) /* * Initialize gpiolib for GPIOs 0-49. */ - orion_gpio_init(0, 32, GPIO_LOW_VIRT_BASE, 0, - IRQ_KIRKWOOD_GPIO_START); - irq_set_chained_handler(IRQ_KIRKWOOD_GPIO_LOW_0_7, gpio_irq_handler); - irq_set_chained_handler(IRQ_KIRKWOOD_GPIO_LOW_8_15, gpio_irq_handler); - irq_set_chained_handler(IRQ_KIRKWOOD_GPIO_LOW_16_23, gpio_irq_handler); - irq_set_chained_handler(IRQ_KIRKWOOD_GPIO_LOW_24_31, gpio_irq_handler); - - orion_gpio_init(32, 18, GPIO_HIGH_VIRT_BASE, 0, - IRQ_KIRKWOOD_GPIO_START + 32); - irq_set_chained_handler(IRQ_KIRKWOOD_GPIO_HIGH_0_7, gpio_irq_handler); - irq_set_chained_handler(IRQ_KIRKWOOD_GPIO_HIGH_8_15, gpio_irq_handler); - irq_set_chained_handler(IRQ_KIRKWOOD_GPIO_HIGH_16_23, - gpio_irq_handler); + orion_gpio_init(NULL, 0, 32, (void __iomem *)GPIO_LOW_VIRT_BASE, 0, + IRQ_KIRKWOOD_GPIO_START, gpio0_irqs); + orion_gpio_init(NULL, 32, 18, (void __iomem *)GPIO_HIGH_VIRT_BASE, 0, + IRQ_KIRKWOOD_GPIO_START + 32, gpio1_irqs); } diff --git a/arch/arm/mach-mmp/gplugd.c b/arch/arm/mach-mmp/gplugd.c index f516e74ce0d5..5c3d61ee729a 100644 --- a/arch/arm/mach-mmp/gplugd.c +++ b/arch/arm/mach-mmp/gplugd.c @@ -14,6 +14,7 @@ #include <asm/mach/arch.h> #include <asm/mach-types.h> +#include <mach/irqs.h> #include <mach/pxa168.h> #include <mach/mfp-pxa168.h> diff --git a/arch/arm/mach-mv78xx0/irq.c b/arch/arm/mach-mv78xx0/irq.c index e421b701663b..eff9a750bbe2 100644 --- a/arch/arm/mach-mv78xx0/irq.c +++ b/arch/arm/mach-mv78xx0/irq.c @@ -9,19 +9,17 @@ */ #include <linux/gpio.h> #include <linux/kernel.h> -#include <linux/init.h> -#include <linux/pci.h> #include <linux/irq.h> #include <mach/bridge-regs.h> #include <plat/irq.h> #include "common.h" -static void gpio_irq_handler(unsigned int irq, struct irq_desc *desc) -{ - BUG_ON(irq < IRQ_MV78XX0_GPIO_0_7 || irq > IRQ_MV78XX0_GPIO_24_31); - - orion_gpio_irq_handler((irq - IRQ_MV78XX0_GPIO_0_7) << 3); -} +static int __initdata gpio0_irqs[4] = { + IRQ_MV78XX0_GPIO_0_7, + IRQ_MV78XX0_GPIO_8_15, + IRQ_MV78XX0_GPIO_16_23, + IRQ_MV78XX0_GPIO_24_31, +}; void __init mv78xx0_init_irq(void) { @@ -34,11 +32,7 @@ void __init mv78xx0_init_irq(void) * registers for core #1 are at an offset of 0x18 from those of * core #0.) */ - orion_gpio_init(0, 32, GPIO_VIRT_BASE, + orion_gpio_init(NULL, 0, 32, (void __iomem *)GPIO_VIRT_BASE, mv78xx0_core_index() ? 0x18 : 0, - IRQ_MV78XX0_GPIO_START); - irq_set_chained_handler(IRQ_MV78XX0_GPIO_0_7, gpio_irq_handler); - irq_set_chained_handler(IRQ_MV78XX0_GPIO_8_15, gpio_irq_handler); - irq_set_chained_handler(IRQ_MV78XX0_GPIO_16_23, gpio_irq_handler); - irq_set_chained_handler(IRQ_MV78XX0_GPIO_24_31, gpio_irq_handler); + IRQ_MV78XX0_GPIO_START, gpio0_irqs); } diff --git a/arch/arm/mach-mxs/Kconfig b/arch/arm/mach-mxs/Kconfig index ccdf83b17cf1..9a8bbda195b2 100644 --- a/arch/arm/mach-mxs/Kconfig +++ b/arch/arm/mach-mxs/Kconfig @@ -2,9 +2,6 @@ if ARCH_MXS source "arch/arm/mach-mxs/devices/Kconfig" -config MXS_OCOTP - bool - config SOC_IMX23 bool select ARM_AMBA @@ -66,7 +63,6 @@ config MACH_MX28EVK select MXS_HAVE_PLATFORM_MXS_SAIF select MXS_HAVE_PLATFORM_MXS_I2C select MXS_HAVE_PLATFORM_RTC_STMP3XXX - select MXS_OCOTP help Include support for MX28EVK platform. This includes specific configurations for the board and its peripherals. @@ -94,7 +90,6 @@ config MODULE_M28 select MXS_HAVE_PLATFORM_MXS_I2C select MXS_HAVE_PLATFORM_MXS_MMC select MXS_HAVE_PLATFORM_MXSFB - select MXS_OCOTP config MODULE_APX4 bool @@ -106,7 +101,6 @@ config MODULE_APX4 select MXS_HAVE_PLATFORM_MXS_I2C select MXS_HAVE_PLATFORM_MXS_MMC select MXS_HAVE_PLATFORM_MXS_SAIF - select MXS_OCOTP config MACH_TX28 bool "Ka-Ro TX28 module" diff --git a/arch/arm/mach-mxs/Makefile b/arch/arm/mach-mxs/Makefile index e41590ccb437..fed3695a1339 100644 --- a/arch/arm/mach-mxs/Makefile +++ b/arch/arm/mach-mxs/Makefile @@ -1,7 +1,6 @@ # Common support -obj-y := devices.o icoll.o iomux.o system.o timer.o mm.o +obj-y := devices.o icoll.o iomux.o ocotp.o system.o timer.o mm.o -obj-$(CONFIG_MXS_OCOTP) += ocotp.o obj-$(CONFIG_PM) += pm.o obj-$(CONFIG_MACH_MXS_DT) += mach-mxs.o diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig index dd0fbf76ac79..dd2db025f778 100644 --- a/arch/arm/mach-omap2/Kconfig +++ b/arch/arm/mach-omap2/Kconfig @@ -62,6 +62,7 @@ config ARCH_OMAP4 select PM_OPP if PM select USB_ARCH_HAS_EHCI if USB_SUPPORT select ARM_CPU_SUSPEND if PM + select ARCH_NEEDS_CPU_IDLE_COUPLED config SOC_OMAP5 bool "TI OMAP5" diff --git a/arch/arm/mach-omap2/cpuidle44xx.c b/arch/arm/mach-omap2/cpuidle44xx.c index 02d15bbd4e35..ee05e193fc61 100644 --- a/arch/arm/mach-omap2/cpuidle44xx.c +++ b/arch/arm/mach-omap2/cpuidle44xx.c @@ -21,6 +21,7 @@ #include "common.h" #include "pm.h" #include "prm.h" +#include "clockdomain.h" /* Machine specific information */ struct omap4_idle_statedata { @@ -47,10 +48,14 @@ static struct omap4_idle_statedata omap4_idle_data[] = { }, }; -static struct powerdomain *mpu_pd, *cpu0_pd, *cpu1_pd; +static struct powerdomain *mpu_pd, *cpu_pd[NR_CPUS]; +static struct clockdomain *cpu_clkdm[NR_CPUS]; + +static atomic_t abort_barrier; +static bool cpu_done[NR_CPUS]; /** - * omap4_enter_idle - Programs OMAP4 to enter the specified state + * omap4_enter_idle_coupled_[simple/coupled] - OMAP4 cpuidle entry functions * @dev: cpuidle device * @drv: cpuidle driver * @index: the index of state to be entered @@ -59,60 +64,84 @@ static struct powerdomain *mpu_pd, *cpu0_pd, *cpu1_pd; * specified low power state selected by the governor. * Returns the amount of time spent in the low power state. */ -static int omap4_enter_idle(struct cpuidle_device *dev, +static int omap4_enter_idle_simple(struct cpuidle_device *dev, + struct cpuidle_driver *drv, + int index) +{ + local_fiq_disable(); + omap_do_wfi(); + local_fiq_enable(); + + return index; +} + +static int omap4_enter_idle_coupled(struct cpuidle_device *dev, struct cpuidle_driver *drv, int index) { struct omap4_idle_statedata *cx = &omap4_idle_data[index]; - u32 cpu1_state; int cpu_id = smp_processor_id(); local_fiq_disable(); /* - * CPU0 has to stay ON (i.e in C1) until CPU1 is OFF state. + * CPU0 has to wait and stay ON until CPU1 is OFF state. * This is necessary to honour hardware recommondation * of triggeing all the possible low power modes once CPU1 is * out of coherency and in OFF mode. - * Update dev->last_state so that governor stats reflects right - * data. */ - cpu1_state = pwrdm_read_pwrst(cpu1_pd); - if (cpu1_state != PWRDM_POWER_OFF) { - index = drv->safe_state_index; - cx = &omap4_idle_data[index]; + if (dev->cpu == 0 && cpumask_test_cpu(1, cpu_online_mask)) { + while (pwrdm_read_pwrst(cpu_pd[1]) != PWRDM_POWER_OFF) { + cpu_relax(); + + /* + * CPU1 could have already entered & exited idle + * without hitting off because of a wakeup + * or a failed attempt to hit off mode. Check for + * that here, otherwise we could spin forever + * waiting for CPU1 off. + */ + if (cpu_done[1]) + goto fail; + + } } - if (index > 0) - clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_ENTER, &cpu_id); + clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_ENTER, &cpu_id); /* * Call idle CPU PM enter notifier chain so that * VFP and per CPU interrupt context is saved. */ - if (cx->cpu_state == PWRDM_POWER_OFF) - cpu_pm_enter(); - - pwrdm_set_logic_retst(mpu_pd, cx->mpu_logic_state); - omap_set_pwrdm_state(mpu_pd, cx->mpu_state); - - /* - * Call idle CPU cluster PM enter notifier chain - * to save GIC and wakeupgen context. - */ - if ((cx->mpu_state == PWRDM_POWER_RET) && - (cx->mpu_logic_state == PWRDM_POWER_OFF)) - cpu_cluster_pm_enter(); + cpu_pm_enter(); + + if (dev->cpu == 0) { + pwrdm_set_logic_retst(mpu_pd, cx->mpu_logic_state); + omap_set_pwrdm_state(mpu_pd, cx->mpu_state); + + /* + * Call idle CPU cluster PM enter notifier chain + * to save GIC and wakeupgen context. + */ + if ((cx->mpu_state == PWRDM_POWER_RET) && + (cx->mpu_logic_state == PWRDM_POWER_OFF)) + cpu_cluster_pm_enter(); + } omap4_enter_lowpower(dev->cpu, cx->cpu_state); + cpu_done[dev->cpu] = true; + + /* Wakeup CPU1 only if it is not offlined */ + if (dev->cpu == 0 && cpumask_test_cpu(1, cpu_online_mask)) { + clkdm_wakeup(cpu_clkdm[1]); + clkdm_allow_idle(cpu_clkdm[1]); + } /* * Call idle CPU PM exit notifier chain to restore - * VFP and per CPU IRQ context. Only CPU0 state is - * considered since CPU1 is managed by CPU hotplug. + * VFP and per CPU IRQ context. */ - if (pwrdm_read_prev_pwrst(cpu0_pd) == PWRDM_POWER_OFF) - cpu_pm_exit(); + cpu_pm_exit(); /* * Call idle CPU cluster PM exit notifier chain @@ -121,8 +150,11 @@ static int omap4_enter_idle(struct cpuidle_device *dev, if (omap4_mpuss_read_prev_context_state()) cpu_cluster_pm_exit(); - if (index > 0) - clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_EXIT, &cpu_id); + clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_EXIT, &cpu_id); + +fail: + cpuidle_coupled_parallel_barrier(dev, &abort_barrier); + cpu_done[dev->cpu] = false; local_fiq_enable(); @@ -141,7 +173,7 @@ struct cpuidle_driver omap4_idle_driver = { .exit_latency = 2 + 2, .target_residency = 5, .flags = CPUIDLE_FLAG_TIME_VALID, - .enter = omap4_enter_idle, + .enter = omap4_enter_idle_simple, .name = "C1", .desc = "MPUSS ON" }, @@ -149,8 +181,8 @@ struct cpuidle_driver omap4_idle_driver = { /* C2 - CPU0 OFF + CPU1 OFF + MPU CSWR */ .exit_latency = 328 + 440, .target_residency = 960, - .flags = CPUIDLE_FLAG_TIME_VALID, - .enter = omap4_enter_idle, + .flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_COUPLED, + .enter = omap4_enter_idle_coupled, .name = "C2", .desc = "MPUSS CSWR", }, @@ -158,8 +190,8 @@ struct cpuidle_driver omap4_idle_driver = { /* C3 - CPU0 OFF + CPU1 OFF + MPU OSWR */ .exit_latency = 460 + 518, .target_residency = 1100, - .flags = CPUIDLE_FLAG_TIME_VALID, - .enter = omap4_enter_idle, + .flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_COUPLED, + .enter = omap4_enter_idle_coupled, .name = "C3", .desc = "MPUSS OSWR", }, @@ -168,6 +200,16 @@ struct cpuidle_driver omap4_idle_driver = { .safe_state_index = 0, }; +/* + * For each cpu, setup the broadcast timer because local timers + * stops for the states above C1. + */ +static void omap_setup_broadcast_timer(void *arg) +{ + int cpu = smp_processor_id(); + clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_ON, &cpu); +} + /** * omap4_idle_init - Init routine for OMAP4 idle * @@ -180,19 +222,30 @@ int __init omap4_idle_init(void) unsigned int cpu_id = 0; mpu_pd = pwrdm_lookup("mpu_pwrdm"); - cpu0_pd = pwrdm_lookup("cpu0_pwrdm"); - cpu1_pd = pwrdm_lookup("cpu1_pwrdm"); - if ((!mpu_pd) || (!cpu0_pd) || (!cpu1_pd)) + cpu_pd[0] = pwrdm_lookup("cpu0_pwrdm"); + cpu_pd[1] = pwrdm_lookup("cpu1_pwrdm"); + if ((!mpu_pd) || (!cpu_pd[0]) || (!cpu_pd[1])) return -ENODEV; - dev = &per_cpu(omap4_idle_dev, cpu_id); - dev->cpu = cpu_id; + cpu_clkdm[0] = clkdm_lookup("mpu0_clkdm"); + cpu_clkdm[1] = clkdm_lookup("mpu1_clkdm"); + if (!cpu_clkdm[0] || !cpu_clkdm[1]) + return -ENODEV; + + /* Configure the broadcast timer on each cpu */ + on_each_cpu(omap_setup_broadcast_timer, NULL, 1); + + for_each_cpu(cpu_id, cpu_online_mask) { + dev = &per_cpu(omap4_idle_dev, cpu_id); + dev->cpu = cpu_id; + dev->coupled_cpus = *cpu_online_mask; - cpuidle_register_driver(&omap4_idle_driver); + cpuidle_register_driver(&omap4_idle_driver); - if (cpuidle_register_device(dev)) { - pr_err("%s: CPUidle register device failed\n", __func__); - return -EIO; + if (cpuidle_register_device(dev)) { + pr_err("%s: CPUidle register failed\n", __func__); + return -EIO; + } } return 0; diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c index 13d20c8a283d..2ff6d41ec6c6 100644 --- a/arch/arm/mach-omap2/timer.c +++ b/arch/arm/mach-omap2/timer.c @@ -130,6 +130,7 @@ static struct clock_event_device clockevent_gpt = { .name = "gp_timer", .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT, .shift = 32, + .rating = 300, .set_next_event = omap2_gp_timer_set_next_event, .set_mode = omap2_gp_timer_set_mode, }; @@ -223,7 +224,8 @@ static void __init omap2_gp_clockevent_init(int gptimer_id, clockevent_delta2ns(3, &clockevent_gpt); /* Timer internal resynch latency. */ - clockevent_gpt.cpumask = cpumask_of(0); + clockevent_gpt.cpumask = cpu_possible_mask; + clockevent_gpt.irq = omap_dm_timer_get_irq(&clkev); clockevents_register_device(&clockevent_gpt); pr_info("OMAP clockevent source: GPTIMER%d at %lu Hz\n", diff --git a/arch/arm/mach-orion5x/irq.c b/arch/arm/mach-orion5x/irq.c index b1b45fff776e..17da7091d310 100644 --- a/arch/arm/mach-orion5x/irq.c +++ b/arch/arm/mach-orion5x/irq.c @@ -11,19 +11,16 @@ */ #include <linux/gpio.h> #include <linux/kernel.h> -#include <linux/init.h> #include <linux/irq.h> -#include <linux/io.h> #include <mach/bridge-regs.h> #include <plat/irq.h> -#include "common.h" -static void gpio_irq_handler(unsigned int irq, struct irq_desc *desc) -{ - BUG_ON(irq < IRQ_ORION5X_GPIO_0_7 || irq > IRQ_ORION5X_GPIO_24_31); - - orion_gpio_irq_handler((irq - IRQ_ORION5X_GPIO_0_7) << 3); -} +static int __initdata gpio0_irqs[4] = { + IRQ_ORION5X_GPIO_0_7, + IRQ_ORION5X_GPIO_8_15, + IRQ_ORION5X_GPIO_16_23, + IRQ_ORION5X_GPIO_24_31, +}; void __init orion5x_init_irq(void) { @@ -32,9 +29,6 @@ void __init orion5x_init_irq(void) /* * Initialize gpiolib for GPIOs 0-31. */ - orion_gpio_init(0, 32, GPIO_VIRT_BASE, 0, IRQ_ORION5X_GPIO_START); - irq_set_chained_handler(IRQ_ORION5X_GPIO_0_7, gpio_irq_handler); - irq_set_chained_handler(IRQ_ORION5X_GPIO_8_15, gpio_irq_handler); - irq_set_chained_handler(IRQ_ORION5X_GPIO_16_23, gpio_irq_handler); - irq_set_chained_handler(IRQ_ORION5X_GPIO_24_31, gpio_irq_handler); + orion_gpio_init(NULL, 0, 32, (void __iomem *)GPIO_VIRT_BASE, 0, + IRQ_ORION5X_GPIO_START, gpio0_irqs); } diff --git a/arch/arm/mach-prima2/timer.c b/arch/arm/mach-prima2/timer.c index 0d024b1e916d..f224107de7bc 100644 --- a/arch/arm/mach-prima2/timer.c +++ b/arch/arm/mach-prima2/timer.c @@ -132,11 +132,11 @@ static void sirfsoc_clocksource_resume(struct clocksource *cs) { int i; - for (i = 0; i < SIRFSOC_TIMER_REG_CNT; i++) + for (i = 0; i < SIRFSOC_TIMER_REG_CNT - 2; i++) writel_relaxed(sirfsoc_timer_reg_val[i], sirfsoc_timer_base + sirfsoc_timer_reg_list[i]); - writel_relaxed(sirfsoc_timer_reg_val[i - 2], sirfsoc_timer_base + SIRFSOC_TIMER_COUNTER_LO); - writel_relaxed(sirfsoc_timer_reg_val[i - 1], sirfsoc_timer_base + SIRFSOC_TIMER_COUNTER_HI); + writel_relaxed(sirfsoc_timer_reg_val[SIRFSOC_TIMER_REG_CNT - 2], sirfsoc_timer_base + SIRFSOC_TIMER_COUNTER_LO); + writel_relaxed(sirfsoc_timer_reg_val[SIRFSOC_TIMER_REG_CNT - 1], sirfsoc_timer_base + SIRFSOC_TIMER_COUNTER_HI); } static struct clock_event_device sirfsoc_clockevent = { diff --git a/arch/arm/plat-mxc/tzic.c b/arch/arm/plat-mxc/tzic.c index c2193178210b..3ed1adbc09f8 100644 --- a/arch/arm/plat-mxc/tzic.c +++ b/arch/arm/plat-mxc/tzic.c @@ -23,6 +23,7 @@ #include <mach/hardware.h> #include <mach/common.h> +#include <mach/irqs.h> #include "irq-common.h" diff --git a/arch/arm/plat-orion/common.c b/arch/arm/plat-orion/common.c index c1793786aea9..d245a87dc014 100644 --- a/arch/arm/plat-orion/common.c +++ b/arch/arm/plat-orion/common.c @@ -47,6 +47,7 @@ void __init orion_clkdev_init(struct clk *tclk) orion_clkdev_add(NULL, MV643XX_ETH_NAME ".2", tclk); orion_clkdev_add(NULL, MV643XX_ETH_NAME ".3", tclk); orion_clkdev_add(NULL, "orion_wdt", tclk); + orion_clkdev_add(NULL, MV64XXX_I2C_CTLR_NAME ".0", tclk); } /* Fill in the resources structure and link it into the platform diff --git a/arch/arm/plat-orion/gpio.c b/arch/arm/plat-orion/gpio.c index af95af257301..dfda74fae6f2 100644 --- a/arch/arm/plat-orion/gpio.c +++ b/arch/arm/plat-orion/gpio.c @@ -8,15 +8,22 @@ * warranty of any kind, whether express or implied. */ +#define DEBUG + #include <linux/kernel.h> #include <linux/init.h> #include <linux/irq.h> +#include <linux/irqdomain.h> #include <linux/module.h> #include <linux/spinlock.h> #include <linux/bitops.h> #include <linux/io.h> #include <linux/gpio.h> #include <linux/leds.h> +#include <linux/of.h> +#include <linux/of_irq.h> +#include <linux/of_address.h> +#include <plat/gpio.h> /* * GPIO unit register offsets. @@ -38,6 +45,7 @@ struct orion_gpio_chip { unsigned long valid_output; int mask_offset; int secondary_irq_base; + struct irq_domain *domain; }; static void __iomem *GPIO_OUT(struct orion_gpio_chip *ochip) @@ -222,10 +230,10 @@ static int orion_gpio_to_irq(struct gpio_chip *chip, unsigned pin) struct orion_gpio_chip *ochip = container_of(chip, struct orion_gpio_chip, chip); - return ochip->secondary_irq_base + pin; + return irq_create_mapping(ochip->domain, + ochip->secondary_irq_base + pin); } - /* * Orion-specific GPIO API extensions. */ @@ -353,12 +361,10 @@ static int gpio_irq_set_type(struct irq_data *d, u32 type) int pin; u32 u; - pin = d->irq - gc->irq_base; + pin = d->hwirq - ochip->secondary_irq_base; u = readl(GPIO_IO_CONF(ochip)) & (1 << pin); if (!u) { - printk(KERN_ERR "orion gpio_irq_set_type failed " - "(irq %d, pin %d).\n", d->irq, pin); return -EINVAL; } @@ -397,17 +403,53 @@ static int gpio_irq_set_type(struct irq_data *d, u32 type) u &= ~(1 << pin); /* rising */ writel(u, GPIO_IN_POL(ochip)); } - return 0; } -void __init orion_gpio_init(int gpio_base, int ngpio, - u32 base, int mask_offset, int secondary_irq_base) +static void gpio_irq_handler(unsigned irq, struct irq_desc *desc) +{ + struct orion_gpio_chip *ochip = irq_get_handler_data(irq); + u32 cause, type; + int i; + + if (ochip == NULL) + return; + + cause = readl(GPIO_DATA_IN(ochip)) & readl(GPIO_LEVEL_MASK(ochip)); + cause |= readl(GPIO_EDGE_CAUSE(ochip)) & readl(GPIO_EDGE_MASK(ochip)); + + for (i = 0; i < ochip->chip.ngpio; i++) { + int irq; + + irq = ochip->secondary_irq_base + i; + + if (!(cause & (1 << i))) + continue; + + type = irqd_get_trigger_type(irq_get_irq_data(irq)); + if ((type & IRQ_TYPE_SENSE_MASK) == IRQ_TYPE_EDGE_BOTH) { + /* Swap polarity (race with GPIO line) */ + u32 polarity; + + polarity = readl(GPIO_IN_POL(ochip)); + polarity ^= 1 << i; + writel(polarity, GPIO_IN_POL(ochip)); + } + generic_handle_irq(irq); + } +} + +void __init orion_gpio_init(struct device_node *np, + int gpio_base, int ngpio, + void __iomem *base, int mask_offset, + int secondary_irq_base, + int irqs[4]) { struct orion_gpio_chip *ochip; struct irq_chip_generic *gc; struct irq_chip_type *ct; char gc_label[16]; + int i; if (orion_gpio_chip_count == ARRAY_SIZE(orion_gpio_chips)) return; @@ -426,6 +468,10 @@ void __init orion_gpio_init(int gpio_base, int ngpio, ochip->chip.base = gpio_base; ochip->chip.ngpio = ngpio; ochip->chip.can_sleep = 0; +#ifdef CONFIG_OF + ochip->chip.of_node = np; +#endif + spin_lock_init(&ochip->lock); ochip->base = (void __iomem *)base; ochip->valid_input = 0; @@ -435,8 +481,6 @@ void __init orion_gpio_init(int gpio_base, int ngpio, gpiochip_add(&ochip->chip); - orion_gpio_chip_count++; - /* * Mask and clear GPIO interrupts. */ @@ -444,16 +488,28 @@ void __init orion_gpio_init(int gpio_base, int ngpio, writel(0, GPIO_EDGE_MASK(ochip)); writel(0, GPIO_LEVEL_MASK(ochip)); - gc = irq_alloc_generic_chip("orion_gpio_irq", 2, secondary_irq_base, + /* Setup the interrupt handlers. Each chip can have up to 4 + * interrupt handlers, with each handler dealing with 8 GPIO + * pins. */ + + for (i = 0; i < 4; i++) { + if (irqs[i]) { + irq_set_handler_data(irqs[i], ochip); + irq_set_chained_handler(irqs[i], gpio_irq_handler); + } + } + + gc = irq_alloc_generic_chip("orion_gpio_irq", 2, + secondary_irq_base, ochip->base, handle_level_irq); gc->private = ochip; - ct = gc->chip_types; ct->regs.mask = ochip->mask_offset + GPIO_LEVEL_MASK_OFF; ct->type = IRQ_TYPE_LEVEL_HIGH | IRQ_TYPE_LEVEL_LOW; ct->chip.irq_mask = irq_gc_mask_clr_bit; ct->chip.irq_unmask = irq_gc_mask_set_bit; ct->chip.irq_set_type = gpio_irq_set_type; + ct->chip.name = ochip->chip.label; ct++; ct->regs.mask = ochip->mask_offset + GPIO_EDGE_MASK_OFF; @@ -464,41 +520,69 @@ void __init orion_gpio_init(int gpio_base, int ngpio, ct->chip.irq_unmask = irq_gc_mask_set_bit; ct->chip.irq_set_type = gpio_irq_set_type; ct->handler = handle_edge_irq; + ct->chip.name = ochip->chip.label; irq_setup_generic_chip(gc, IRQ_MSK(ngpio), IRQ_GC_INIT_MASK_CACHE, IRQ_NOREQUEST, IRQ_LEVEL | IRQ_NOPROBE); -} -void orion_gpio_irq_handler(int pinoff) -{ - struct orion_gpio_chip *ochip; - u32 cause, type; - int i; - - ochip = orion_gpio_chip_find(pinoff); - if (ochip == NULL) - return; - - cause = readl(GPIO_DATA_IN(ochip)) & readl(GPIO_LEVEL_MASK(ochip)); - cause |= readl(GPIO_EDGE_CAUSE(ochip)) & readl(GPIO_EDGE_MASK(ochip)); - - for (i = 0; i < ochip->chip.ngpio; i++) { - int irq; + /* Setup irq domain on top of the generic chip. */ + ochip->domain = irq_domain_add_legacy(np, + ochip->chip.ngpio, + ochip->secondary_irq_base, + ochip->secondary_irq_base, + &irq_domain_simple_ops, + ochip); + if (!ochip->domain) + panic("%s: couldn't allocate irq domain (DT).\n", + ochip->chip.label); - irq = ochip->secondary_irq_base + i; + orion_gpio_chip_count++; +} - if (!(cause & (1 << i))) - continue; +#ifdef CONFIG_OF +static void __init orion_gpio_of_init_one(struct device_node *np, + int irq_gpio_base) +{ + int ngpio, gpio_base, mask_offset; + void __iomem *base; + int ret, i; + int irqs[4]; + int secondary_irq_base; + + ret = of_property_read_u32(np, "ngpio", &ngpio); + if (ret) + goto out; + ret = of_property_read_u32(np, "mask-offset", &mask_offset); + if (ret == -EINVAL) + mask_offset = 0; + else + goto out; + base = of_iomap(np, 0); + if (!base) + goto out; + + secondary_irq_base = irq_gpio_base + (32 * orion_gpio_chip_count); + gpio_base = 32 * orion_gpio_chip_count; + + /* Get the interrupt numbers. Each chip can have up to 4 + * interrupt handlers, with each handler dealing with 8 GPIO + * pins. */ + + for (i = 0; i < 4; i++) + irqs[i] = irq_of_parse_and_map(np, i); + + orion_gpio_init(np, gpio_base, ngpio, base, mask_offset, + secondary_irq_base, irqs); + return; +out: + pr_err("%s: %s: missing mandatory property\n", __func__, np->name); +} - type = irqd_get_trigger_type(irq_get_irq_data(irq)); - if ((type & IRQ_TYPE_SENSE_MASK) == IRQ_TYPE_EDGE_BOTH) { - /* Swap polarity (race with GPIO line) */ - u32 polarity; +void __init orion_gpio_of_init(int irq_gpio_base) +{ + struct device_node *np; - polarity = readl(GPIO_IN_POL(ochip)); - polarity ^= 1 << i; - writel(polarity, GPIO_IN_POL(ochip)); - } - generic_handle_irq(irq); - } + for_each_compatible_node(np, NULL, "marvell,orion-gpio") + orion_gpio_of_init_one(np, irq_gpio_base); } +#endif diff --git a/arch/arm/plat-orion/include/plat/gpio.h b/arch/arm/plat-orion/include/plat/gpio.h index bec0c98ce41f..81c6fc8a7b28 100644 --- a/arch/arm/plat-orion/include/plat/gpio.h +++ b/arch/arm/plat-orion/include/plat/gpio.h @@ -13,7 +13,7 @@ #include <linux/init.h> #include <linux/types.h> - +#include <linux/irqdomain.h> /* * Orion-specific GPIO API extensions. */ @@ -27,13 +27,11 @@ int orion_gpio_led_blink_set(unsigned gpio, int state, void orion_gpio_set_valid(unsigned pin, int mode); /* Initialize gpiolib. */ -void __init orion_gpio_init(int gpio_base, int ngpio, - u32 base, int mask_offset, int secondary_irq_base); - -/* - * GPIO interrupt handling. - */ -void orion_gpio_irq_handler(int irqoff); - +void __init orion_gpio_init(struct device_node *np, + int gpio_base, int ngpio, + void __iomem *base, int mask_offset, + int secondary_irq_base, + int irq[4]); +void __init orion_gpio_of_init(int irq_gpio_base); #endif diff --git a/arch/arm/plat-orion/include/plat/irq.h b/arch/arm/plat-orion/include/plat/irq.h index f05eeab94968..50547e417936 100644 --- a/arch/arm/plat-orion/include/plat/irq.h +++ b/arch/arm/plat-orion/include/plat/irq.h @@ -12,6 +12,5 @@ #define __PLAT_IRQ_H void orion_irq_init(unsigned int irq_start, void __iomem *maskaddr); - - +void __init orion_dt_init_irq(void); #endif diff --git a/arch/arm/plat-orion/irq.c b/arch/arm/plat-orion/irq.c index 2d5b9c1ef389..d751964def4c 100644 --- a/arch/arm/plat-orion/irq.c +++ b/arch/arm/plat-orion/irq.c @@ -11,8 +11,12 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/irq.h> +#include <linux/irqdomain.h> #include <linux/io.h> +#include <linux/of_address.h> +#include <linux/of_irq.h> #include <plat/irq.h> +#include <plat/gpio.h> void __init orion_irq_init(unsigned int irq_start, void __iomem *maskaddr) { @@ -32,3 +36,39 @@ void __init orion_irq_init(unsigned int irq_start, void __iomem *maskaddr) irq_setup_generic_chip(gc, IRQ_MSK(32), IRQ_GC_INIT_MASK_CACHE, IRQ_NOREQUEST, IRQ_LEVEL | IRQ_NOPROBE); } + +#ifdef CONFIG_OF +static int __init orion_add_irq_domain(struct device_node *np, + struct device_node *interrupt_parent) +{ + int i = 0, irq_gpio; + void __iomem *base; + + do { + base = of_iomap(np, i); + if (base) { + orion_irq_init(i * 32, base); + i++; + } + } while (base); + + irq_domain_add_legacy(np, i * 32, 0, 0, + &irq_domain_simple_ops, NULL); + + irq_gpio = i * 32; + orion_gpio_of_init(irq_gpio); + + return 0; +} + +static const struct of_device_id orion_irq_match[] = { + { .compatible = "marvell,orion-intc", + .data = orion_add_irq_domain, }, + {}, +}; + +void __init orion_dt_init_irq(void) +{ + of_irq_init(orion_irq_match); +} +#endif diff --git a/arch/sh/boards/Kconfig b/arch/sh/boards/Kconfig index 7048c03490d9..fb5805745ace 100644 --- a/arch/sh/boards/Kconfig +++ b/arch/sh/boards/Kconfig @@ -57,6 +57,7 @@ config SH_7724_SOLUTION_ENGINE depends on CPU_SUBTYPE_SH7724 select ARCH_REQUIRE_GPIOLIB select SND_SOC_AK4642 if SND_SIMPLE_CARD + select REGULATOR_FIXED_VOLTAGE if REGULATOR help Select 7724 SolutionEngine if configuring for a Hitachi SH7724 evaluation board. @@ -140,6 +141,7 @@ config SH_RSK bool "Renesas Starter Kit" depends on CPU_SUBTYPE_SH7201 || CPU_SUBTYPE_SH7203 || \ CPU_SUBTYPE_SH7264 || CPU_SUBTYPE_SH7269 + select REGULATOR_FIXED_VOLTAGE if REGULATOR help Select this option if configuring for any of the RSK+ MCU evaluation platforms. @@ -159,6 +161,7 @@ config SH_SDK7786 select NO_IOPORT if !PCI select ARCH_WANT_OPTIONAL_GPIOLIB select HAVE_SRAM_POOL + select REGULATOR_FIXED_VOLTAGE if REGULATOR help Select SDK7786 if configuring for a Renesas Technology Europe SH7786-65nm board. @@ -173,6 +176,7 @@ config SH_SH7757LCR bool "SH7757LCR" depends on CPU_SUBTYPE_SH7757 select ARCH_REQUIRE_GPIOLIB + select REGULATOR_FIXED_VOLTAGE if REGULATOR config SH_SH7785LCR bool "SH7785LCR" @@ -206,6 +210,7 @@ config SH_MIGOR bool "Migo-R" depends on CPU_SUBTYPE_SH7722 select ARCH_REQUIRE_GPIOLIB + select REGULATOR_FIXED_VOLTAGE if REGULATOR help Select Migo-R if configuring for the SH7722 Migo-R platform by Renesas System Solutions Asia Pte. Ltd. @@ -214,6 +219,7 @@ config SH_AP325RXA bool "AP-325RXA" depends on CPU_SUBTYPE_SH7723 select ARCH_REQUIRE_GPIOLIB + select REGULATOR_FIXED_VOLTAGE if REGULATOR help Renesas "AP-325RXA" support. Compatible with ALGO SYSTEM CO.,LTD. "AP-320A" @@ -222,6 +228,7 @@ config SH_KFR2R09 bool "KFR2R09" depends on CPU_SUBTYPE_SH7724 select ARCH_REQUIRE_GPIOLIB + select REGULATOR_FIXED_VOLTAGE if REGULATOR help "Kit For R2R for 2009" support. @@ -230,6 +237,7 @@ config SH_ECOVEC depends on CPU_SUBTYPE_SH7724 select ARCH_REQUIRE_GPIOLIB select SND_SOC_DA7210 if SND_SIMPLE_CARD + select REGULATOR_FIXED_VOLTAGE if REGULATOR help Renesas "R0P7724LC0011/21RL (EcoVec)" support. @@ -305,6 +313,7 @@ config SH_MAGIC_PANEL_R2 bool "Magic Panel R2" depends on CPU_SUBTYPE_SH7720 select ARCH_REQUIRE_GPIOLIB + select REGULATOR_FIXED_VOLTAGE if REGULATOR help Select Magic Panel R2 if configuring for Magic Panel R2. @@ -316,6 +325,7 @@ config SH_CAYMAN config SH_POLARIS bool "SMSC Polaris" select CPU_HAS_IPR_IRQ + select REGULATOR_FIXED_VOLTAGE if REGULATOR depends on CPU_SUBTYPE_SH7709 help Select if configuring for an SMSC Polaris development board @@ -323,6 +333,7 @@ config SH_POLARIS config SH_SH2007 bool "SH-2007 board" select NO_IOPORT + select REGULATOR_FIXED_VOLTAGE if REGULATOR depends on CPU_SUBTYPE_SH7780 help SH-2007 is a single-board computer based around SH7780 chip @@ -334,6 +345,7 @@ config SH_SH2007 config SH_APSH4A3A bool "AP-SH4A-3A" select SH_ALPHA_BOARD + select REGULATOR_FIXED_VOLTAGE if REGULATOR depends on CPU_SUBTYPE_SH7785 help Select AP-SH4A-3A if configuring for an ALPHAPROJECT AP-SH4A-3A. @@ -342,6 +354,7 @@ config SH_APSH4AD0A bool "AP-SH4AD-0A" select SH_ALPHA_BOARD select SYS_SUPPORTS_PCI + select REGULATOR_FIXED_VOLTAGE if REGULATOR depends on CPU_SUBTYPE_SH7786 help Select AP-SH4AD-0A if configuring for an ALPHAPROJECT AP-SH4AD-0A. diff --git a/arch/sh/boards/board-apsh4a3a.c b/arch/sh/boards/board-apsh4a3a.c index 2823619c6006..0a39c241628a 100644 --- a/arch/sh/boards/board-apsh4a3a.c +++ b/arch/sh/boards/board-apsh4a3a.c @@ -13,6 +13,8 @@ #include <linux/platform_device.h> #include <linux/io.h> #include <linux/mtd/physmap.h> +#include <linux/regulator/fixed.h> +#include <linux/regulator/machine.h> #include <linux/smsc911x.h> #include <linux/irq.h> #include <linux/clk.h> @@ -66,6 +68,12 @@ static struct platform_device nor_flash_device = { .resource = nor_flash_resources, }; +/* Dummy supplies, where voltage doesn't matter */ +static struct regulator_consumer_supply dummy_supplies[] = { + REGULATOR_SUPPLY("vddvario", "smsc911x"), + REGULATOR_SUPPLY("vdd33a", "smsc911x"), +}; + static struct resource smsc911x_resources[] = { [0] = { .name = "smsc911x-memory", @@ -105,6 +113,8 @@ static struct platform_device *apsh4a3a_devices[] __initdata = { static int __init apsh4a3a_devices_setup(void) { + regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies)); + return platform_add_devices(apsh4a3a_devices, ARRAY_SIZE(apsh4a3a_devices)); } diff --git a/arch/sh/boards/board-apsh4ad0a.c b/arch/sh/boards/board-apsh4ad0a.c index b4d6292a9247..92eac3a99187 100644 --- a/arch/sh/boards/board-apsh4ad0a.c +++ b/arch/sh/boards/board-apsh4ad0a.c @@ -12,12 +12,20 @@ #include <linux/init.h> #include <linux/platform_device.h> #include <linux/io.h> +#include <linux/regulator/fixed.h> +#include <linux/regulator/machine.h> #include <linux/smsc911x.h> #include <linux/irq.h> #include <linux/clk.h> #include <asm/machvec.h> #include <asm/sizes.h> +/* Dummy supplies, where voltage doesn't matter */ +static struct regulator_consumer_supply dummy_supplies[] = { + REGULATOR_SUPPLY("vddvario", "smsc911x"), + REGULATOR_SUPPLY("vdd33a", "smsc911x"), +}; + static struct resource smsc911x_resources[] = { [0] = { .name = "smsc911x-memory", @@ -56,6 +64,8 @@ static struct platform_device *apsh4ad0a_devices[] __initdata = { static int __init apsh4ad0a_devices_setup(void) { + regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies)); + return platform_add_devices(apsh4ad0a_devices, ARRAY_SIZE(apsh4ad0a_devices)); } diff --git a/arch/sh/boards/board-magicpanelr2.c b/arch/sh/boards/board-magicpanelr2.c index 90568f9de3a4..20500858b56c 100644 --- a/arch/sh/boards/board-magicpanelr2.c +++ b/arch/sh/boards/board-magicpanelr2.c @@ -14,6 +14,8 @@ #include <linux/platform_device.h> #include <linux/delay.h> #include <linux/gpio.h> +#include <linux/regulator/fixed.h> +#include <linux/regulator/machine.h> #include <linux/smsc911x.h> #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> @@ -24,6 +26,12 @@ #include <asm/heartbeat.h> #include <cpu/sh7720.h> +/* Dummy supplies, where voltage doesn't matter */ +static struct regulator_consumer_supply dummy_supplies[] = { + REGULATOR_SUPPLY("vddvario", "smsc911x"), + REGULATOR_SUPPLY("vdd33a", "smsc911x"), +}; + #define LAN9115_READY (__raw_readl(0xA8000084UL) & 0x00000001UL) /* Wait until reset finished. Timeout is 100ms. */ @@ -348,6 +356,8 @@ static struct platform_device *mpr2_devices[] __initdata = { static int __init mpr2_devices_setup(void) { + regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies)); + return platform_add_devices(mpr2_devices, ARRAY_SIZE(mpr2_devices)); } device_initcall(mpr2_devices_setup); diff --git a/arch/sh/boards/board-polaris.c b/arch/sh/boards/board-polaris.c index 0978ae2e4847..37a08d094727 100644 --- a/arch/sh/boards/board-polaris.c +++ b/arch/sh/boards/board-polaris.c @@ -9,6 +9,8 @@ #include <linux/interrupt.h> #include <linux/irq.h> #include <linux/platform_device.h> +#include <linux/regulator/fixed.h> +#include <linux/regulator/machine.h> #include <linux/smsc911x.h> #include <linux/io.h> #include <asm/irq.h> @@ -22,6 +24,12 @@ #define AREA5_WAIT_CTRL (0x1C00) #define WAIT_STATES_10 (0x7) +/* Dummy supplies, where voltage doesn't matter */ +static struct regulator_consumer_supply dummy_supplies[] = { + REGULATOR_SUPPLY("vddvario", "smsc911x.0"), + REGULATOR_SUPPLY("vdd33a", "smsc911x.0"), +}; + static struct resource smsc911x_resources[] = { [0] = { .name = "smsc911x-memory", @@ -88,6 +96,8 @@ static int __init polaris_initialise(void) printk(KERN_INFO "Configuring Polaris external bus\n"); + regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies)); + /* Configure area 5 with 2 wait states */ wcr = __raw_readw(WCR2); wcr &= (~AREA5_WAIT_CTRL); diff --git a/arch/sh/boards/board-sh2007.c b/arch/sh/boards/board-sh2007.c index b90b78f6a829..1980bb7e5780 100644 --- a/arch/sh/boards/board-sh2007.c +++ b/arch/sh/boards/board-sh2007.c @@ -6,6 +6,8 @@ */ #include <linux/init.h> #include <linux/irq.h> +#include <linux/regulator/fixed.h> +#include <linux/regulator/machine.h> #include <linux/smsc911x.h> #include <linux/platform_device.h> #include <linux/ata_platform.h> @@ -13,6 +15,14 @@ #include <asm/machvec.h> #include <mach/sh2007.h> +/* Dummy supplies, where voltage doesn't matter */ +static struct regulator_consumer_supply dummy_supplies[] = { + REGULATOR_SUPPLY("vddvario", "smsc911x.0"), + REGULATOR_SUPPLY("vdd33a", "smsc911x.0"), + REGULATOR_SUPPLY("vddvario", "smsc911x.1"), + REGULATOR_SUPPLY("vdd33a", "smsc911x.1"), +}; + struct smsc911x_platform_config smc911x_info = { .flags = SMSC911X_USE_32BIT, .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, @@ -98,6 +108,8 @@ static struct platform_device *sh2007_devices[] __initdata = { static int __init sh2007_io_init(void) { + regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies)); + platform_add_devices(sh2007_devices, ARRAY_SIZE(sh2007_devices)); return 0; } diff --git a/arch/sh/boards/board-sh7757lcr.c b/arch/sh/boards/board-sh7757lcr.c index 5087f8bb4cff..41f86702eb9f 100644 --- a/arch/sh/boards/board-sh7757lcr.c +++ b/arch/sh/boards/board-sh7757lcr.c @@ -12,6 +12,8 @@ #include <linux/platform_device.h> #include <linux/gpio.h> #include <linux/irq.h> +#include <linux/regulator/fixed.h> +#include <linux/regulator/machine.h> #include <linux/spi/spi.h> #include <linux/spi/flash.h> #include <linux/io.h> @@ -199,6 +201,15 @@ static struct platform_device sh7757_eth_giga1_device = { }, }; +/* Fixed 3.3V regulator to be used by SDHI0, MMCIF */ +static struct regulator_consumer_supply fixed3v3_power_consumers[] = +{ + REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"), + REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"), + REGULATOR_SUPPLY("vmmc", "sh_mmcif.0"), + REGULATOR_SUPPLY("vqmmc", "sh_mmcif.0"), +}; + /* SH_MMCIF */ static struct resource sh_mmcif_resources[] = { [0] = { @@ -329,6 +340,9 @@ static struct spi_board_info spi_board_info[] = { static int __init sh7757lcr_devices_setup(void) { + regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers, + ARRAY_SIZE(fixed3v3_power_consumers), 3300000); + /* RGMII (PTA) */ gpio_request(GPIO_FN_ET0_MDC, NULL); gpio_request(GPIO_FN_ET0_MDIO, NULL); diff --git a/arch/sh/boards/mach-ap325rxa/setup.c b/arch/sh/boards/mach-ap325rxa/setup.c index f33ebf447073..9e963c1d1447 100644 --- a/arch/sh/boards/mach-ap325rxa/setup.c +++ b/arch/sh/boards/mach-ap325rxa/setup.c @@ -20,6 +20,8 @@ #include <linux/mtd/sh_flctl.h> #include <linux/delay.h> #include <linux/i2c.h> +#include <linux/regulator/fixed.h> +#include <linux/regulator/machine.h> #include <linux/smsc911x.h> #include <linux/gpio.h> #include <linux/videodev2.h> @@ -34,6 +36,12 @@ #include <asm/suspend.h> #include <cpu/sh7723.h> +/* Dummy supplies, where voltage doesn't matter */ +static struct regulator_consumer_supply dummy_supplies[] = { + REGULATOR_SUPPLY("vddvario", "smsc911x"), + REGULATOR_SUPPLY("vdd33a", "smsc911x"), +}; + static struct smsc911x_platform_config smsc911x_config = { .phy_interface = PHY_INTERFACE_MODE_MII, .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, @@ -423,6 +431,15 @@ static struct platform_device ceu_device = { }, }; +/* Fixed 3.3V regulators to be used by SDHI0, SDHI1 */ +static struct regulator_consumer_supply fixed3v3_power_consumers[] = +{ + REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"), + REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"), + REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"), + REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.1"), +}; + static struct resource sdhi0_cn3_resources[] = { [0] = { .name = "SDHI0", @@ -544,6 +561,10 @@ static int __init ap325rxa_devices_setup(void) &ap325rxa_sdram_leave_start, &ap325rxa_sdram_leave_end); + regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers, + ARRAY_SIZE(fixed3v3_power_consumers), 3300000); + regulator_register_fixed(1, dummy_supplies, ARRAY_SIZE(dummy_supplies)); + /* LD3 and LD4 LEDs */ gpio_request(GPIO_PTX5, NULL); /* RUN */ gpio_direction_output(GPIO_PTX5, 1); diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c index 4158d70c0dea..64559e8af14b 100644 --- a/arch/sh/boards/mach-ecovec24/setup.c +++ b/arch/sh/boards/mach-ecovec24/setup.c @@ -19,6 +19,8 @@ #include <linux/interrupt.h> #include <linux/io.h> #include <linux/delay.h> +#include <linux/regulator/fixed.h> +#include <linux/regulator/machine.h> #include <linux/usb/r8a66597.h> #include <linux/usb/renesas_usbhs.h> #include <linux/i2c.h> @@ -242,9 +244,17 @@ static int usbhs_get_id(struct platform_device *pdev) return gpio_get_value(GPIO_PTB3); } +static void usbhs_phy_reset(struct platform_device *pdev) +{ + /* enable vbus if HOST */ + if (!gpio_get_value(GPIO_PTB3)) + gpio_set_value(GPIO_PTB5, 1); +} + static struct renesas_usbhs_platform_info usbhs_info = { .platform_callback = { .get_id = usbhs_get_id, + .phy_reset = usbhs_phy_reset, }, .driver_param = { .buswait_bwait = 4, @@ -518,10 +528,86 @@ static struct i2c_board_info ts_i2c_clients = { .irq = IRQ0, }; +static struct regulator_consumer_supply cn12_power_consumers[] = +{ + REGULATOR_SUPPLY("vmmc", "sh_mmcif.0"), + REGULATOR_SUPPLY("vqmmc", "sh_mmcif.0"), + REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"), + REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.1"), +}; + +static struct regulator_init_data cn12_power_init_data = { + .constraints = { + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = ARRAY_SIZE(cn12_power_consumers), + .consumer_supplies = cn12_power_consumers, +}; + +static struct fixed_voltage_config cn12_power_info = { + .supply_name = "CN12 SD/MMC Vdd", + .microvolts = 3300000, + .gpio = GPIO_PTB7, + .enable_high = 1, + .init_data = &cn12_power_init_data, +}; + +static struct platform_device cn12_power = { + .name = "reg-fixed-voltage", + .id = 0, + .dev = { + .platform_data = &cn12_power_info, + }, +}; + #if defined(CONFIG_MMC_SDHI) || defined(CONFIG_MMC_SDHI_MODULE) /* SDHI0 */ +static struct regulator_consumer_supply sdhi0_power_consumers[] = +{ + REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"), + REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"), +}; + +static struct regulator_init_data sdhi0_power_init_data = { + .constraints = { + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = ARRAY_SIZE(sdhi0_power_consumers), + .consumer_supplies = sdhi0_power_consumers, +}; + +static struct fixed_voltage_config sdhi0_power_info = { + .supply_name = "CN11 SD/MMC Vdd", + .microvolts = 3300000, + .gpio = GPIO_PTB6, + .enable_high = 1, + .init_data = &sdhi0_power_init_data, +}; + +static struct platform_device sdhi0_power = { + .name = "reg-fixed-voltage", + .id = 1, + .dev = { + .platform_data = &sdhi0_power_info, + }, +}; + static void sdhi0_set_pwr(struct platform_device *pdev, int state) { + static int power_gpio = -EINVAL; + + if (power_gpio < 0) { + int ret = gpio_request(GPIO_PTB6, NULL); + if (!ret) { + power_gpio = GPIO_PTB6; + gpio_direction_output(power_gpio, 0); + } + } + + /* + * Toggle the GPIO regardless, whether we managed to grab it above or + * the fixed regulator driver did. + */ gpio_set_value(GPIO_PTB6, state); } @@ -562,13 +648,27 @@ static struct platform_device sdhi0_device = { }, }; -#if !defined(CONFIG_MMC_SH_MMCIF) && !defined(CONFIG_MMC_SH_MMCIF_MODULE) -/* SDHI1 */ -static void sdhi1_set_pwr(struct platform_device *pdev, int state) +static void cn12_set_pwr(struct platform_device *pdev, int state) { + static int power_gpio = -EINVAL; + + if (power_gpio < 0) { + int ret = gpio_request(GPIO_PTB7, NULL); + if (!ret) { + power_gpio = GPIO_PTB7; + gpio_direction_output(power_gpio, 0); + } + } + + /* + * Toggle the GPIO regardless, whether we managed to grab it above or + * the fixed regulator driver did. + */ gpio_set_value(GPIO_PTB7, state); } +#if !defined(CONFIG_MMC_SH_MMCIF) && !defined(CONFIG_MMC_SH_MMCIF_MODULE) +/* SDHI1 */ static int sdhi1_get_cd(struct platform_device *pdev) { return !gpio_get_value(GPIO_PTW7); @@ -579,7 +679,7 @@ static struct sh_mobile_sdhi_info sdhi1_info = { .dma_slave_rx = SHDMA_SLAVE_SDHI1_RX, .tmio_caps = MMC_CAP_SDIO_IRQ | MMC_CAP_POWER_OFF_CARD | MMC_CAP_NEEDS_POLL, - .set_pwr = sdhi1_set_pwr, + .set_pwr = cn12_set_pwr, .get_cd = sdhi1_get_cd, }; @@ -899,14 +999,9 @@ static struct platform_device vou_device = { #if defined(CONFIG_MMC_SH_MMCIF) || defined(CONFIG_MMC_SH_MMCIF_MODULE) /* SH_MMCIF */ -static void mmcif_set_pwr(struct platform_device *pdev, int state) -{ - gpio_set_value(GPIO_PTB7, state); -} - static void mmcif_down_pwr(struct platform_device *pdev) { - gpio_set_value(GPIO_PTB7, 0); + cn12_set_pwr(pdev, 0); } static struct resource sh_mmcif_resources[] = { @@ -929,7 +1024,7 @@ static struct resource sh_mmcif_resources[] = { }; static struct sh_mmcif_plat_data sh_mmcif_plat = { - .set_pwr = mmcif_set_pwr, + .set_pwr = cn12_set_pwr, .down_pwr = mmcif_down_pwr, .sup_pclk = 0, /* SH7724: Max Pclk/2 */ .caps = MMC_CAP_4_BIT_DATA | @@ -960,7 +1055,9 @@ static struct platform_device *ecovec_devices[] __initdata = { &ceu0_device, &ceu1_device, &keysc_device, + &cn12_power, #if defined(CONFIG_MMC_SDHI) || defined(CONFIG_MMC_SDHI_MODULE) + &sdhi0_power, &sdhi0_device, #if !defined(CONFIG_MMC_SH_MMCIF) && !defined(CONFIG_MMC_SH_MMCIF_MODULE) &sdhi1_device, @@ -1258,8 +1355,6 @@ static int __init arch_setup(void) gpio_request(GPIO_FN_SDHI0D2, NULL); gpio_request(GPIO_FN_SDHI0D1, NULL); gpio_request(GPIO_FN_SDHI0D0, NULL); - gpio_request(GPIO_PTB6, NULL); - gpio_direction_output(GPIO_PTB6, 0); #else /* enable MSIOF0 on CN11 (needs DS2.4 set to OFF) */ gpio_request(GPIO_FN_MSIOF0_TXD, NULL); @@ -1288,8 +1383,6 @@ static int __init arch_setup(void) gpio_request(GPIO_FN_MMC_D0, NULL); gpio_request(GPIO_FN_MMC_CLK, NULL); gpio_request(GPIO_FN_MMC_CMD, NULL); - gpio_request(GPIO_PTB7, NULL); - gpio_direction_output(GPIO_PTB7, 0); cn12_enabled = true; #elif defined(CONFIG_MMC_SDHI) || defined(CONFIG_MMC_SDHI_MODULE) @@ -1301,8 +1394,6 @@ static int __init arch_setup(void) gpio_request(GPIO_FN_SDHI1D2, NULL); gpio_request(GPIO_FN_SDHI1D1, NULL); gpio_request(GPIO_FN_SDHI1D0, NULL); - gpio_request(GPIO_PTB7, NULL); - gpio_direction_output(GPIO_PTB7, 0); /* Card-detect, used on CN12 with SDHI1 */ gpio_request(GPIO_PTW7, NULL); diff --git a/arch/sh/boards/mach-kfr2r09/setup.c b/arch/sh/boards/mach-kfr2r09/setup.c index 43a179ce9afc..f2a4304fbe23 100644 --- a/arch/sh/boards/mach-kfr2r09/setup.c +++ b/arch/sh/boards/mach-kfr2r09/setup.c @@ -21,6 +21,8 @@ #include <linux/input.h> #include <linux/input/sh_keysc.h> #include <linux/i2c.h> +#include <linux/regulator/fixed.h> +#include <linux/regulator/machine.h> #include <linux/usb/r8a66597.h> #include <linux/videodev2.h> #include <linux/sh_intc.h> @@ -341,6 +343,13 @@ static struct platform_device kfr2r09_camera = { }, }; +/* Fixed 3.3V regulator to be used by SDHI0 */ +static struct regulator_consumer_supply fixed3v3_power_consumers[] = +{ + REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"), + REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"), +}; + static struct resource kfr2r09_sh_sdhi0_resources[] = { [0] = { .name = "SDHI0", @@ -523,6 +532,9 @@ static int __init kfr2r09_devices_setup(void) &kfr2r09_sdram_leave_start, &kfr2r09_sdram_leave_end); + regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers, + ARRAY_SIZE(fixed3v3_power_consumers), 3300000); + /* enable SCIF1 serial port for YC401 console support */ gpio_request(GPIO_FN_SCIF1_RXD, NULL); gpio_request(GPIO_FN_SCIF1_TXD, NULL); diff --git a/arch/sh/boards/mach-migor/setup.c b/arch/sh/boards/mach-migor/setup.c index a8a1ca741c85..8b73194ed2ce 100644 --- a/arch/sh/boards/mach-migor/setup.c +++ b/arch/sh/boards/mach-migor/setup.c @@ -17,6 +17,8 @@ #include <linux/mtd/physmap.h> #include <linux/mtd/nand.h> #include <linux/i2c.h> +#include <linux/regulator/fixed.h> +#include <linux/regulator/machine.h> #include <linux/smc91x.h> #include <linux/delay.h> #include <linux/clk.h> @@ -386,6 +388,13 @@ static struct platform_device migor_ceu_device = { }, }; +/* Fixed 3.3V regulator to be used by SDHI0 */ +static struct regulator_consumer_supply fixed3v3_power_consumers[] = +{ + REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"), + REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"), +}; + static struct resource sdhi_cn9_resources[] = { [0] = { .name = "SDHI", @@ -498,6 +507,10 @@ static int __init migor_devices_setup(void) &migor_sdram_enter_end, &migor_sdram_leave_start, &migor_sdram_leave_end); + + regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers, + ARRAY_SIZE(fixed3v3_power_consumers), 3300000); + /* Let D11 LED show STATUS0 */ gpio_request(GPIO_FN_STATUS0, NULL); diff --git a/arch/sh/boards/mach-rsk/setup.c b/arch/sh/boards/mach-rsk/setup.c index 895f030070d3..2685ea03b064 100644 --- a/arch/sh/boards/mach-rsk/setup.c +++ b/arch/sh/boards/mach-rsk/setup.c @@ -16,9 +16,17 @@ #include <linux/mtd/partitions.h> #include <linux/mtd/physmap.h> #include <linux/mtd/map.h> +#include <linux/regulator/fixed.h> +#include <linux/regulator/machine.h> #include <asm/machvec.h> #include <asm/io.h> +/* Dummy supplies, where voltage doesn't matter */ +static struct regulator_consumer_supply dummy_supplies[] = { + REGULATOR_SUPPLY("vddvario", "smsc911x"), + REGULATOR_SUPPLY("vdd33a", "smsc911x"), +}; + static const char *part_probes[] = { "cmdlinepart", NULL }; static struct mtd_partition rsk_partitions[] = { @@ -67,6 +75,8 @@ static struct platform_device *rsk_devices[] __initdata = { static int __init rsk_devices_setup(void) { + regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies)); + return platform_add_devices(rsk_devices, ARRAY_SIZE(rsk_devices)); } diff --git a/arch/sh/boards/mach-sdk7786/setup.c b/arch/sh/boards/mach-sdk7786/setup.c index 27a2314f50ac..c29268bfd34a 100644 --- a/arch/sh/boards/mach-sdk7786/setup.c +++ b/arch/sh/boards/mach-sdk7786/setup.c @@ -11,6 +11,8 @@ #include <linux/init.h> #include <linux/platform_device.h> #include <linux/io.h> +#include <linux/regulator/fixed.h> +#include <linux/regulator/machine.h> #include <linux/smsc911x.h> #include <linux/i2c.h> #include <linux/irq.h> @@ -38,6 +40,12 @@ static struct platform_device heartbeat_device = { .resource = &heartbeat_resource, }; +/* Dummy supplies, where voltage doesn't matter */ +static struct regulator_consumer_supply dummy_supplies[] = { + REGULATOR_SUPPLY("vddvario", "smsc911x"), + REGULATOR_SUPPLY("vdd33a", "smsc911x"), +}; + static struct resource smsc911x_resources[] = { [0] = { .name = "smsc911x-memory", @@ -236,6 +244,8 @@ static void __init sdk7786_setup(char **cmdline_p) { pr_info("Renesas Technology Europe SDK7786 support:\n"); + regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies)); + sdk7786_fpga_init(); sdk7786_nmi_init(); diff --git a/arch/sh/boards/mach-se/7724/setup.c b/arch/sh/boards/mach-se/7724/setup.c index ffbf5bc7366b..35f6efa3ac0e 100644 --- a/arch/sh/boards/mach-se/7724/setup.c +++ b/arch/sh/boards/mach-se/7724/setup.c @@ -18,6 +18,8 @@ #include <linux/mmc/sh_mobile_sdhi.h> #include <linux/mtd/physmap.h> #include <linux/delay.h> +#include <linux/regulator/fixed.h> +#include <linux/regulator/machine.h> #include <linux/smc91x.h> #include <linux/gpio.h> #include <linux/input.h> @@ -454,6 +456,15 @@ static struct platform_device sh7724_usb1_gadget_device = { .resource = sh7724_usb1_gadget_resources, }; +/* Fixed 3.3V regulator to be used by SDHI0, SDHI1 */ +static struct regulator_consumer_supply fixed3v3_power_consumers[] = +{ + REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"), + REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"), + REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"), + REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.1"), +}; + static struct resource sdhi0_cn7_resources[] = { [0] = { .name = "SDHI0", @@ -684,6 +695,10 @@ static int __init devices_setup(void) &ms7724se_sdram_enter_end, &ms7724se_sdram_leave_start, &ms7724se_sdram_leave_end); + + regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers, + ARRAY_SIZE(fixed3v3_power_consumers), 3300000); + /* Reset Release */ fpga_out = __raw_readw(FPGA_OUT); /* bit4: NTSC_PDN, bit5: NTSC_RESET */ diff --git a/arch/sh/include/cpu-sh4/cpu/sh7757.h b/arch/sh/include/cpu-sh4/cpu/sh7757.h index 41f9f8b9db73..5340f3bc1863 100644 --- a/arch/sh/include/cpu-sh4/cpu/sh7757.h +++ b/arch/sh/include/cpu-sh4/cpu/sh7757.h @@ -283,5 +283,7 @@ enum { SHDMA_SLAVE_RIIC8_RX, SHDMA_SLAVE_RIIC9_TX, SHDMA_SLAVE_RIIC9_RX, + SHDMA_SLAVE_RSPI_TX, + SHDMA_SLAVE_RSPI_RX, }; #endif /* __ASM_SH7757_H__ */ diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7724.c b/arch/sh/kernel/cpu/sh4a/clock-sh7724.c index c87e78f73234..5f30f805d2f2 100644 --- a/arch/sh/kernel/cpu/sh4a/clock-sh7724.c +++ b/arch/sh/kernel/cpu/sh4a/clock-sh7724.c @@ -334,8 +334,8 @@ static struct clk_lookup lookups[] = { CLKDEV_CON_ID("tpu0", &mstp_clks[HWBLK_TPU]), CLKDEV_CON_ID("irda0", &mstp_clks[HWBLK_IRDA]), CLKDEV_CON_ID("tsif0", &mstp_clks[HWBLK_TSIF]), - CLKDEV_CON_ID("usb1", &mstp_clks[HWBLK_USB1]), - CLKDEV_CON_ID("usb0", &mstp_clks[HWBLK_USB0]), + CLKDEV_DEV_ID("renesas_usbhs.1", &mstp_clks[HWBLK_USB1]), + CLKDEV_DEV_ID("renesas_usbhs.0", &mstp_clks[HWBLK_USB0]), CLKDEV_CON_ID("2dg0", &mstp_clks[HWBLK_2DG]), CLKDEV_DEV_ID("sh_mobile_sdhi.0", &mstp_clks[HWBLK_SDHI0]), CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[HWBLK_SDHI1]), diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c index 65786c7f5ded..6a868b091c2d 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c @@ -12,6 +12,7 @@ #include <linux/platform_device.h> #include <linux/serial.h> #include <linux/serial_sci.h> +#include <linux/sh_dma.h> #include <linux/sh_timer.h> #include <linux/sh_intc.h> #include <linux/uio_driver.h> diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7757.c b/arch/sh/kernel/cpu/sh4a/setup-sh7757.c index a7708425afa9..4a2f357f4df8 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7757.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7757.c @@ -216,6 +216,20 @@ static const struct sh_dmae_slave_config sh7757_dmae1_slaves[] = { TS_INDEX2VAL(XMIT_SZ_8BIT), .mid_rid = 0x42, }, + { + .slave_id = SHDMA_SLAVE_RSPI_TX, + .addr = 0xfe480004, + .chcr = SM_INC | 0x800 | 0x40000000 | + TS_INDEX2VAL(XMIT_SZ_16BIT), + .mid_rid = 0xc1, + }, + { + .slave_id = SHDMA_SLAVE_RSPI_RX, + .addr = 0xfe480004, + .chcr = DM_INC | 0x800 | 0x40000000 | + TS_INDEX2VAL(XMIT_SZ_16BIT), + .mid_rid = 0xc2, + }, }; static const struct sh_dmae_slave_config sh7757_dmae2_slaves[] = { diff --git a/arch/sh/mm/fault.c b/arch/sh/mm/fault.c index 1fc25d85e515..3bdc1ad9a341 100644 --- a/arch/sh/mm/fault.c +++ b/arch/sh/mm/fault.c @@ -58,11 +58,15 @@ static void show_pte(struct mm_struct *mm, unsigned long addr) { pgd_t *pgd; - if (mm) + if (mm) { pgd = mm->pgd; - else + } else { pgd = get_TTB(); + if (unlikely(!pgd)) + pgd = swapper_pg_dir; + } + printk(KERN_ALERT "pgd = %p\n", pgd); pgd += pgd_index(addr); printk(KERN_ALERT "[%08lx] *pgd=%0*Lx", addr, diff --git a/arch/x86/include/asm/olpc.h b/arch/x86/include/asm/olpc.h index 87bdbca72f94..72f9adf6eca4 100644 --- a/arch/x86/include/asm/olpc.h +++ b/arch/x86/include/asm/olpc.h @@ -100,25 +100,6 @@ extern void olpc_xo1_pm_wakeup_clear(u16 value); extern int pci_olpc_init(void); -/* EC related functions */ - -extern int olpc_ec_cmd(unsigned char cmd, unsigned char *inbuf, size_t inlen, - unsigned char *outbuf, size_t outlen); - -/* EC commands */ - -#define EC_FIRMWARE_REV 0x08 -#define EC_WRITE_SCI_MASK 0x1b -#define EC_WAKE_UP_WLAN 0x24 -#define EC_WLAN_LEAVE_RESET 0x25 -#define EC_READ_EB_MODE 0x2a -#define EC_SET_SCI_INHIBIT 0x32 -#define EC_SET_SCI_INHIBIT_RELEASE 0x34 -#define EC_WLAN_ENTER_RESET 0x35 -#define EC_WRITE_EXT_SCI_MASK 0x38 -#define EC_SCI_QUERY 0x84 -#define EC_EXT_SCI_QUERY 0x85 - /* SCI source values */ #define EC_SCI_SRC_EMPTY 0x00 diff --git a/arch/x86/platform/olpc/olpc-xo1-pm.c b/arch/x86/platform/olpc/olpc-xo1-pm.c index 0ce8616c88ae..d75582d1aa55 100644 --- a/arch/x86/platform/olpc/olpc-xo1-pm.c +++ b/arch/x86/platform/olpc/olpc-xo1-pm.c @@ -18,6 +18,7 @@ #include <linux/pm.h> #include <linux/mfd/core.h> #include <linux/suspend.h> +#include <linux/olpc-ec.h> #include <asm/io.h> #include <asm/olpc.h> @@ -51,16 +52,11 @@ EXPORT_SYMBOL_GPL(olpc_xo1_pm_wakeup_clear); static int xo1_power_state_enter(suspend_state_t pm_state) { unsigned long saved_sci_mask; - int r; /* Only STR is supported */ if (pm_state != PM_SUSPEND_MEM) return -EINVAL; - r = olpc_ec_cmd(EC_SET_SCI_INHIBIT, NULL, 0, NULL, 0); - if (r) - return r; - /* * Save SCI mask (this gets lost since PM1_EN is used as a mask for * wakeup events, which is not necessarily the same event set) @@ -76,16 +72,6 @@ static int xo1_power_state_enter(suspend_state_t pm_state) /* Restore SCI mask (using dword access to CS5536_PM1_EN) */ outl(saved_sci_mask, acpi_base + CS5536_PM1_STS); - /* Tell the EC to stop inhibiting SCIs */ - olpc_ec_cmd(EC_SET_SCI_INHIBIT_RELEASE, NULL, 0, NULL, 0); - - /* - * Tell the wireless module to restart USB communication. - * Must be done twice. - */ - olpc_ec_cmd(EC_WAKE_UP_WLAN, NULL, 0, NULL, 0); - olpc_ec_cmd(EC_WAKE_UP_WLAN, NULL, 0, NULL, 0); - return 0; } diff --git a/arch/x86/platform/olpc/olpc-xo1-sci.c b/arch/x86/platform/olpc/olpc-xo1-sci.c index 04b8c73659c5..63d4aa40956e 100644 --- a/arch/x86/platform/olpc/olpc-xo1-sci.c +++ b/arch/x86/platform/olpc/olpc-xo1-sci.c @@ -23,6 +23,7 @@ #include <linux/power_supply.h> #include <linux/suspend.h> #include <linux/workqueue.h> +#include <linux/olpc-ec.h> #include <asm/io.h> #include <asm/msr.h> diff --git a/arch/x86/platform/olpc/olpc-xo15-sci.c b/arch/x86/platform/olpc/olpc-xo15-sci.c index 599be499fdf7..2fdca25905ae 100644 --- a/arch/x86/platform/olpc/olpc-xo15-sci.c +++ b/arch/x86/platform/olpc/olpc-xo15-sci.c @@ -13,6 +13,7 @@ #include <linux/slab.h> #include <linux/workqueue.h> #include <linux/power_supply.h> +#include <linux/olpc-ec.h> #include <acpi/acpi_bus.h> #include <acpi/acpi_drivers.h> diff --git a/arch/x86/platform/olpc/olpc.c b/arch/x86/platform/olpc/olpc.c index a4bee53c2e54..27376081ddec 100644 --- a/arch/x86/platform/olpc/olpc.c +++ b/arch/x86/platform/olpc/olpc.c @@ -14,14 +14,13 @@ #include <linux/init.h> #include <linux/module.h> #include <linux/delay.h> -#include <linux/spinlock.h> #include <linux/io.h> #include <linux/string.h> #include <linux/platform_device.h> #include <linux/of.h> #include <linux/syscore_ops.h> -#include <linux/debugfs.h> #include <linux/mutex.h> +#include <linux/olpc-ec.h> #include <asm/geode.h> #include <asm/setup.h> @@ -31,17 +30,6 @@ struct olpc_platform_t olpc_platform_info; EXPORT_SYMBOL_GPL(olpc_platform_info); -static DEFINE_SPINLOCK(ec_lock); - -/* debugfs interface to EC commands */ -#define EC_MAX_CMD_ARGS (5 + 1) /* cmd byte + 5 args */ -#define EC_MAX_CMD_REPLY (8) - -static struct dentry *ec_debugfs_dir; -static DEFINE_MUTEX(ec_debugfs_cmd_lock); -static unsigned char ec_debugfs_resp[EC_MAX_CMD_REPLY]; -static unsigned int ec_debugfs_resp_bytes; - /* EC event mask to be applied during suspend (defining wakeup sources). */ static u16 ec_wakeup_mask; @@ -125,16 +113,13 @@ static int __wait_on_obf(unsigned int line, unsigned int port, int desired) * <http://wiki.laptop.org/go/Ec_specification>. Unfortunately, while * OpenFirmware's source is available, the EC's is not. */ -int olpc_ec_cmd(unsigned char cmd, unsigned char *inbuf, size_t inlen, - unsigned char *outbuf, size_t outlen) +static int olpc_xo1_ec_cmd(u8 cmd, u8 *inbuf, size_t inlen, u8 *outbuf, + size_t outlen, void *arg) { - unsigned long flags; int ret = -EIO; int i; int restarts = 0; - spin_lock_irqsave(&ec_lock, flags); - /* Clear OBF */ for (i = 0; i < 10 && (obf_status(0x6c) == 1); i++) inb(0x68); @@ -198,10 +183,8 @@ restart: ret = 0; err: - spin_unlock_irqrestore(&ec_lock, flags); return ret; } -EXPORT_SYMBOL_GPL(olpc_ec_cmd); void olpc_ec_wakeup_set(u16 value) { @@ -280,96 +263,6 @@ int olpc_ec_sci_query(u16 *sci_value) } EXPORT_SYMBOL_GPL(olpc_ec_sci_query); -static ssize_t ec_debugfs_cmd_write(struct file *file, const char __user *buf, - size_t size, loff_t *ppos) -{ - int i, m; - unsigned char ec_cmd[EC_MAX_CMD_ARGS]; - unsigned int ec_cmd_int[EC_MAX_CMD_ARGS]; - char cmdbuf[64]; - int ec_cmd_bytes; - - mutex_lock(&ec_debugfs_cmd_lock); - - size = simple_write_to_buffer(cmdbuf, sizeof(cmdbuf), ppos, buf, size); - - m = sscanf(cmdbuf, "%x:%u %x %x %x %x %x", &ec_cmd_int[0], - &ec_debugfs_resp_bytes, - &ec_cmd_int[1], &ec_cmd_int[2], &ec_cmd_int[3], - &ec_cmd_int[4], &ec_cmd_int[5]); - if (m < 2 || ec_debugfs_resp_bytes > EC_MAX_CMD_REPLY) { - /* reset to prevent overflow on read */ - ec_debugfs_resp_bytes = 0; - - printk(KERN_DEBUG "olpc-ec: bad ec cmd: " - "cmd:response-count [arg1 [arg2 ...]]\n"); - size = -EINVAL; - goto out; - } - - /* convert scanf'd ints to char */ - ec_cmd_bytes = m - 2; - for (i = 0; i <= ec_cmd_bytes; i++) - ec_cmd[i] = ec_cmd_int[i]; - - printk(KERN_DEBUG "olpc-ec: debugfs cmd 0x%02x with %d args " - "%02x %02x %02x %02x %02x, want %d returns\n", - ec_cmd[0], ec_cmd_bytes, ec_cmd[1], ec_cmd[2], ec_cmd[3], - ec_cmd[4], ec_cmd[5], ec_debugfs_resp_bytes); - - olpc_ec_cmd(ec_cmd[0], (ec_cmd_bytes == 0) ? NULL : &ec_cmd[1], - ec_cmd_bytes, ec_debugfs_resp, ec_debugfs_resp_bytes); - - printk(KERN_DEBUG "olpc-ec: response " - "%02x %02x %02x %02x %02x %02x %02x %02x (%d bytes expected)\n", - ec_debugfs_resp[0], ec_debugfs_resp[1], ec_debugfs_resp[2], - ec_debugfs_resp[3], ec_debugfs_resp[4], ec_debugfs_resp[5], - ec_debugfs_resp[6], ec_debugfs_resp[7], ec_debugfs_resp_bytes); - -out: - mutex_unlock(&ec_debugfs_cmd_lock); - return size; -} - -static ssize_t ec_debugfs_cmd_read(struct file *file, char __user *buf, - size_t size, loff_t *ppos) -{ - unsigned int i, r; - char *rp; - char respbuf[64]; - - mutex_lock(&ec_debugfs_cmd_lock); - rp = respbuf; - rp += sprintf(rp, "%02x", ec_debugfs_resp[0]); - for (i = 1; i < ec_debugfs_resp_bytes; i++) - rp += sprintf(rp, ", %02x", ec_debugfs_resp[i]); - mutex_unlock(&ec_debugfs_cmd_lock); - rp += sprintf(rp, "\n"); - - r = rp - respbuf; - return simple_read_from_buffer(buf, size, ppos, respbuf, r); -} - -static const struct file_operations ec_debugfs_genops = { - .write = ec_debugfs_cmd_write, - .read = ec_debugfs_cmd_read, -}; - -static void setup_debugfs(void) -{ - ec_debugfs_dir = debugfs_create_dir("olpc-ec", 0); - if (ec_debugfs_dir == ERR_PTR(-ENODEV)) - return; - - debugfs_create_file("cmd", 0600, ec_debugfs_dir, NULL, - &ec_debugfs_genops); -} - -static int olpc_ec_suspend(void) -{ - return olpc_ec_mask_write(ec_wakeup_mask); -} - static bool __init check_ofw_architecture(struct device_node *root) { const char *olpc_arch; @@ -424,8 +317,59 @@ static int __init add_xo1_platform_devices(void) return 0; } -static struct syscore_ops olpc_syscore_ops = { - .suspend = olpc_ec_suspend, +static int olpc_xo1_ec_probe(struct platform_device *pdev) +{ + /* get the EC revision */ + olpc_ec_cmd(EC_FIRMWARE_REV, NULL, 0, + (unsigned char *) &olpc_platform_info.ecver, 1); + + /* EC version 0x5f adds support for wide SCI mask */ + if (olpc_platform_info.ecver >= 0x5f) + olpc_platform_info.flags |= OLPC_F_EC_WIDE_SCI; + + pr_info("OLPC board revision %s%X (EC=%x)\n", + ((olpc_platform_info.boardrev & 0xf) < 8) ? "pre" : "", + olpc_platform_info.boardrev >> 4, + olpc_platform_info.ecver); + + return 0; +} +static int olpc_xo1_ec_suspend(struct platform_device *pdev) +{ + olpc_ec_mask_write(ec_wakeup_mask); + + /* + * Squelch SCIs while suspended. This is a fix for + * <http://dev.laptop.org/ticket/1835>. + */ + return olpc_ec_cmd(EC_SET_SCI_INHIBIT, NULL, 0, NULL, 0); +} + +static int olpc_xo1_ec_resume(struct platform_device *pdev) +{ + /* Tell the EC to stop inhibiting SCIs */ + olpc_ec_cmd(EC_SET_SCI_INHIBIT_RELEASE, NULL, 0, NULL, 0); + + /* + * Tell the wireless module to restart USB communication. + * Must be done twice. + */ + olpc_ec_cmd(EC_WAKE_UP_WLAN, NULL, 0, NULL, 0); + olpc_ec_cmd(EC_WAKE_UP_WLAN, NULL, 0, NULL, 0); + + return 0; +} + +static struct olpc_ec_driver ec_xo1_driver = { + .probe = olpc_xo1_ec_probe, + .suspend = olpc_xo1_ec_suspend, + .resume = olpc_xo1_ec_resume, + .ec_cmd = olpc_xo1_ec_cmd, +}; + +static struct olpc_ec_driver ec_xo1_5_driver = { + .probe = olpc_xo1_ec_probe, + .ec_cmd = olpc_xo1_ec_cmd, }; static int __init olpc_init(void) @@ -435,16 +379,17 @@ static int __init olpc_init(void) if (!olpc_ofw_present() || !platform_detect()) return 0; - spin_lock_init(&ec_lock); + /* register the XO-1 and 1.5-specific EC handler */ + if (olpc_platform_info.boardrev < olpc_board_pre(0xd0)) /* XO-1 */ + olpc_ec_driver_register(&ec_xo1_driver, NULL); + else + olpc_ec_driver_register(&ec_xo1_5_driver, NULL); + platform_device_register_simple("olpc-ec", -1, NULL, 0); /* assume B1 and above models always have a DCON */ if (olpc_board_at_least(olpc_board(0xb1))) olpc_platform_info.flags |= OLPC_F_DCON; - /* get the EC revision */ - olpc_ec_cmd(EC_FIRMWARE_REV, NULL, 0, - (unsigned char *) &olpc_platform_info.ecver, 1); - #ifdef CONFIG_PCI_OLPC /* If the VSA exists let it emulate PCI, if not emulate in kernel. * XO-1 only. */ @@ -452,14 +397,6 @@ static int __init olpc_init(void) !cs5535_has_vsa2()) x86_init.pci.arch_init = pci_olpc_init; #endif - /* EC version 0x5f adds support for wide SCI mask */ - if (olpc_platform_info.ecver >= 0x5f) - olpc_platform_info.flags |= OLPC_F_EC_WIDE_SCI; - - printk(KERN_INFO "OLPC board revision %s%X (EC=%x)\n", - ((olpc_platform_info.boardrev & 0xf) < 8) ? "pre" : "", - olpc_platform_info.boardrev >> 4, - olpc_platform_info.ecver); if (olpc_platform_info.boardrev < olpc_board_pre(0xd0)) { /* XO-1 */ r = add_xo1_platform_devices(); @@ -467,9 +404,6 @@ static int __init olpc_init(void) return r; } - register_syscore_ops(&olpc_syscore_ops); - setup_debugfs(); - return 0; } diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c index 24712adf69df..311be18d3f03 100644 --- a/drivers/ata/sata_mv.c +++ b/drivers/ata/sata_mv.c @@ -65,6 +65,8 @@ #include <linux/mbus.h> #include <linux/bitops.h> #include <linux/gfp.h> +#include <linux/of.h> +#include <linux/of_irq.h> #include <scsi/scsi_host.h> #include <scsi/scsi_cmnd.h> #include <scsi/scsi_device.h> @@ -4026,7 +4028,7 @@ static int mv_platform_probe(struct platform_device *pdev) struct ata_host *host; struct mv_host_priv *hpriv; struct resource *res; - int n_ports = 0; + int n_ports = 0, irq = 0; int rc; #if defined(CONFIG_HAVE_CLK) int port; @@ -4050,8 +4052,14 @@ static int mv_platform_probe(struct platform_device *pdev) return -EINVAL; /* allocate host */ - mv_platform_data = pdev->dev.platform_data; - n_ports = mv_platform_data->n_ports; + if (pdev->dev.of_node) { + of_property_read_u32(pdev->dev.of_node, "nr-ports", &n_ports); + irq = irq_of_parse_and_map(pdev->dev.of_node, 0); + } else { + mv_platform_data = pdev->dev.platform_data; + n_ports = mv_platform_data->n_ports; + irq = platform_get_irq(pdev, 0); + } host = ata_host_alloc_pinfo(&pdev->dev, ppi, n_ports); hpriv = devm_kzalloc(&pdev->dev, sizeof(*hpriv), GFP_KERNEL); @@ -4109,8 +4117,7 @@ static int mv_platform_probe(struct platform_device *pdev) dev_info(&pdev->dev, "slots %u ports %d\n", (unsigned)MV_MAX_Q_DEPTH, host->n_ports); - rc = ata_host_activate(host, platform_get_irq(pdev, 0), mv_interrupt, - IRQF_SHARED, &mv6_sht); + rc = ata_host_activate(host, irq, mv_interrupt, IRQF_SHARED, &mv6_sht); if (!rc) return 0; @@ -4205,15 +4212,24 @@ static int mv_platform_resume(struct platform_device *pdev) #define mv_platform_resume NULL #endif +#ifdef CONFIG_OF +static struct of_device_id mv_sata_dt_ids[] __devinitdata = { + { .compatible = "marvell,orion-sata", }, + {}, +}; +MODULE_DEVICE_TABLE(of, mv_sata_dt_ids); +#endif + static struct platform_driver mv_platform_driver = { - .probe = mv_platform_probe, - .remove = __devexit_p(mv_platform_remove), - .suspend = mv_platform_suspend, - .resume = mv_platform_resume, - .driver = { - .name = DRV_NAME, - .owner = THIS_MODULE, - }, + .probe = mv_platform_probe, + .remove = __devexit_p(mv_platform_remove), + .suspend = mv_platform_suspend, + .resume = mv_platform_resume, + .driver = { + .name = DRV_NAME, + .owner = THIS_MODULE, + .of_match_table = of_match_ptr(mv_sata_dt_ids), + }, }; diff --git a/drivers/dma/sh/shdma-base.c b/drivers/dma/sh/shdma-base.c index 27f5c781fd73..f4cd946d259d 100644 --- a/drivers/dma/sh/shdma-base.c +++ b/drivers/dma/sh/shdma-base.c @@ -483,6 +483,7 @@ static struct shdma_desc *shdma_add_desc(struct shdma_chan *schan, new->mark = DESC_PREPARED; new->async_tx.flags = flags; new->direction = direction; + new->partial = 0; *len -= copy_size; if (direction == DMA_MEM_TO_MEM || direction == DMA_MEM_TO_DEV) @@ -644,6 +645,14 @@ static int shdma_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd, case DMA_TERMINATE_ALL: spin_lock_irqsave(&schan->chan_lock, flags); ops->halt_channel(schan); + + if (ops->get_partial && !list_empty(&schan->ld_queue)) { + /* Record partial transfer */ + struct shdma_desc *desc = list_first_entry(&schan->ld_queue, + struct shdma_desc, node); + desc->partial = ops->get_partial(schan, desc); + } + spin_unlock_irqrestore(&schan->chan_lock, flags); shdma_chan_ld_cleanup(schan, true); diff --git a/drivers/dma/sh/shdma.c b/drivers/dma/sh/shdma.c index 027c9be97654..f41bcc5267fd 100644 --- a/drivers/dma/sh/shdma.c +++ b/drivers/dma/sh/shdma.c @@ -381,6 +381,17 @@ static bool sh_dmae_chan_irq(struct shdma_chan *schan, int irq) return true; } +static size_t sh_dmae_get_partial(struct shdma_chan *schan, + struct shdma_desc *sdesc) +{ + struct sh_dmae_chan *sh_chan = container_of(schan, struct sh_dmae_chan, + shdma_chan); + struct sh_dmae_desc *sh_desc = container_of(sdesc, + struct sh_dmae_desc, shdma_desc); + return (sh_desc->hw.tcr - sh_dmae_readl(sh_chan, TCR)) << + sh_chan->xmit_shift; +} + /* Called from error IRQ or NMI */ static bool sh_dmae_reset(struct sh_dmae_device *shdev) { @@ -632,6 +643,7 @@ static const struct shdma_ops sh_dmae_shdma_ops = { .start_xfer = sh_dmae_start_xfer, .embedded_desc = sh_dmae_embedded_desc, .chan_irq = sh_dmae_chan_irq, + .get_partial = sh_dmae_get_partial, }; static int __devinit sh_dmae_probe(struct platform_device *pdev) diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig index 1eee45b69b71..d949b781f6f8 100644 --- a/drivers/md/Kconfig +++ b/drivers/md/Kconfig @@ -268,13 +268,14 @@ config DM_MIRROR needed for live data migration tools such as 'pvmove'. config DM_RAID - tristate "RAID 1/4/5/6 target" + tristate "RAID 1/4/5/6/10 target" depends on BLK_DEV_DM select MD_RAID1 + select MD_RAID10 select MD_RAID456 select BLK_DEV_MD ---help--- - A dm target that supports RAID1, RAID4, RAID5 and RAID6 mappings + A dm target that supports RAID1, RAID10, RAID4, RAID5 and RAID6 mappings A RAID-5 set of N drives with a capacity of C MB per drive provides the capacity of C * (N - 1) MB, and protects against a failure diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c index 15dbe03117e4..94e7f6ba2e11 100644 --- a/drivers/md/bitmap.c +++ b/drivers/md/bitmap.c @@ -1305,7 +1305,7 @@ int bitmap_startwrite(struct bitmap *bitmap, sector_t offset, unsigned long sect prepare_to_wait(&bitmap->overflow_wait, &__wait, TASK_UNINTERRUPTIBLE); spin_unlock_irq(&bitmap->counts.lock); - io_schedule(); + schedule(); finish_wait(&bitmap->overflow_wait, &__wait); continue; } diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index 9f7f8bee8442..611b5f797618 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -944,6 +944,44 @@ do_sync_io: pr_debug("%dB behind alloc failed, doing sync I/O\n", bio->bi_size); } +struct raid1_plug_cb { + struct blk_plug_cb cb; + struct bio_list pending; + int pending_cnt; +}; + +static void raid1_unplug(struct blk_plug_cb *cb, bool from_schedule) +{ + struct raid1_plug_cb *plug = container_of(cb, struct raid1_plug_cb, + cb); + struct mddev *mddev = plug->cb.data; + struct r1conf *conf = mddev->private; + struct bio *bio; + + if (from_schedule) { + spin_lock_irq(&conf->device_lock); + bio_list_merge(&conf->pending_bio_list, &plug->pending); + conf->pending_count += plug->pending_cnt; + spin_unlock_irq(&conf->device_lock); + md_wakeup_thread(mddev->thread); + kfree(plug); + return; + } + + /* we aren't scheduling, so we can do the write-out directly. */ + bio = bio_list_get(&plug->pending); + bitmap_unplug(mddev->bitmap); + wake_up(&conf->wait_barrier); + + while (bio) { /* submit pending writes */ + struct bio *next = bio->bi_next; + bio->bi_next = NULL; + generic_make_request(bio); + bio = next; + } + kfree(plug); +} + static void make_request(struct mddev *mddev, struct bio * bio) { struct r1conf *conf = mddev->private; @@ -957,6 +995,8 @@ static void make_request(struct mddev *mddev, struct bio * bio) const unsigned long do_sync = (bio->bi_rw & REQ_SYNC); const unsigned long do_flush_fua = (bio->bi_rw & (REQ_FLUSH | REQ_FUA)); struct md_rdev *blocked_rdev; + struct blk_plug_cb *cb; + struct raid1_plug_cb *plug = NULL; int first_clone; int sectors_handled; int max_sectors; @@ -1259,11 +1299,22 @@ read_again: mbio->bi_private = r1_bio; atomic_inc(&r1_bio->remaining); + + cb = blk_check_plugged(raid1_unplug, mddev, sizeof(*plug)); + if (cb) + plug = container_of(cb, struct raid1_plug_cb, cb); + else + plug = NULL; spin_lock_irqsave(&conf->device_lock, flags); - bio_list_add(&conf->pending_bio_list, mbio); - conf->pending_count++; + if (plug) { + bio_list_add(&plug->pending, mbio); + plug->pending_cnt++; + } else { + bio_list_add(&conf->pending_bio_list, mbio); + conf->pending_count++; + } spin_unlock_irqrestore(&conf->device_lock, flags); - if (!mddev_check_plugged(mddev)) + if (!plug) md_wakeup_thread(mddev->thread); } /* Mustn't call r1_bio_write_done before this next test, diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 87a2d0bdedd1..adda94df5eb2 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -484,7 +484,8 @@ get_active_stripe(struct r5conf *conf, sector_t sector, } else { if (atomic_read(&sh->count)) { BUG_ON(!list_empty(&sh->lru) - && !test_bit(STRIPE_EXPANDING, &sh->state)); + && !test_bit(STRIPE_EXPANDING, &sh->state) + && !test_bit(STRIPE_ON_UNPLUG_LIST, &sh->state)); } else { if (!test_bit(STRIPE_HANDLE, &sh->state)) atomic_inc(&conf->active_stripes); @@ -4010,6 +4011,62 @@ static struct stripe_head *__get_priority_stripe(struct r5conf *conf) return sh; } +struct raid5_plug_cb { + struct blk_plug_cb cb; + struct list_head list; +}; + +static void raid5_unplug(struct blk_plug_cb *blk_cb, bool from_schedule) +{ + struct raid5_plug_cb *cb = container_of( + blk_cb, struct raid5_plug_cb, cb); + struct stripe_head *sh; + struct mddev *mddev = cb->cb.data; + struct r5conf *conf = mddev->private; + + if (cb->list.next && !list_empty(&cb->list)) { + spin_lock_irq(&conf->device_lock); + while (!list_empty(&cb->list)) { + sh = list_first_entry(&cb->list, struct stripe_head, lru); + list_del_init(&sh->lru); + /* + * avoid race release_stripe_plug() sees + * STRIPE_ON_UNPLUG_LIST clear but the stripe + * is still in our list + */ + smp_mb__before_clear_bit(); + clear_bit(STRIPE_ON_UNPLUG_LIST, &sh->state); + __release_stripe(conf, sh); + } + spin_unlock_irq(&conf->device_lock); + } + kfree(cb); +} + +static void release_stripe_plug(struct mddev *mddev, + struct stripe_head *sh) +{ + struct blk_plug_cb *blk_cb = blk_check_plugged( + raid5_unplug, mddev, + sizeof(struct raid5_plug_cb)); + struct raid5_plug_cb *cb; + + if (!blk_cb) { + release_stripe(sh); + return; + } + + cb = container_of(blk_cb, struct raid5_plug_cb, cb); + + if (cb->list.next == NULL) + INIT_LIST_HEAD(&cb->list); + + if (!test_and_set_bit(STRIPE_ON_UNPLUG_LIST, &sh->state)) + list_add_tail(&sh->lru, &cb->list); + else + release_stripe(sh); +} + static void make_request(struct mddev *mddev, struct bio * bi) { struct r5conf *conf = mddev->private; @@ -4138,8 +4195,7 @@ static void make_request(struct mddev *mddev, struct bio * bi) if ((bi->bi_rw & REQ_NOIDLE) && !test_and_set_bit(STRIPE_PREREAD_ACTIVE, &sh->state)) atomic_inc(&conf->preread_active_stripes); - mddev_check_plugged(mddev); - release_stripe(sh); + release_stripe_plug(mddev, sh); } else { /* cannot get stripe for read-ahead, just give-up */ clear_bit(BIO_UPTODATE, &bi->bi_flags); @@ -4537,6 +4593,30 @@ static int retry_aligned_read(struct r5conf *conf, struct bio *raid_bio) return handled; } +#define MAX_STRIPE_BATCH 8 +static int handle_active_stripes(struct r5conf *conf) +{ + struct stripe_head *batch[MAX_STRIPE_BATCH], *sh; + int i, batch_size = 0; + + while (batch_size < MAX_STRIPE_BATCH && + (sh = __get_priority_stripe(conf)) != NULL) + batch[batch_size++] = sh; + + if (batch_size == 0) + return batch_size; + spin_unlock_irq(&conf->device_lock); + + for (i = 0; i < batch_size; i++) + handle_stripe(batch[i]); + + cond_resched(); + + spin_lock_irq(&conf->device_lock); + for (i = 0; i < batch_size; i++) + __release_stripe(conf, batch[i]); + return batch_size; +} /* * This is our raid5 kernel thread. @@ -4547,7 +4627,6 @@ static int retry_aligned_read(struct r5conf *conf, struct bio *raid_bio) */ static void raid5d(struct mddev *mddev) { - struct stripe_head *sh; struct r5conf *conf = mddev->private; int handled; struct blk_plug plug; @@ -4561,6 +4640,7 @@ static void raid5d(struct mddev *mddev) spin_lock_irq(&conf->device_lock); while (1) { struct bio *bio; + int batch_size; if ( !list_empty(&conf->bitmap_list)) { @@ -4584,21 +4664,16 @@ static void raid5d(struct mddev *mddev) handled++; } - sh = __get_priority_stripe(conf); - - if (!sh) + batch_size = handle_active_stripes(conf); + if (!batch_size) break; - spin_unlock_irq(&conf->device_lock); - - handled++; - handle_stripe(sh); - release_stripe(sh); - cond_resched(); + handled += batch_size; - if (mddev->flags & ~(1<<MD_CHANGE_PENDING)) + if (mddev->flags & ~(1<<MD_CHANGE_PENDING)) { + spin_unlock_irq(&conf->device_lock); md_check_recovery(mddev); - - spin_lock_irq(&conf->device_lock); + spin_lock_irq(&conf->device_lock); + } } pr_debug("%d stripes handled\n", handled); diff --git a/drivers/md/raid5.h b/drivers/md/raid5.h index 61dbb615c30b..a9fc24901eda 100644 --- a/drivers/md/raid5.h +++ b/drivers/md/raid5.h @@ -321,6 +321,7 @@ enum { STRIPE_BIOFILL_RUN, STRIPE_COMPUTE_RUN, STRIPE_OPS_REQ_PENDING, + STRIPE_ON_UNPLUG_LIST, }; /* diff --git a/drivers/net/wireless/libertas/if_usb.c b/drivers/net/wireless/libertas/if_usb.c index 55a77e41170a..27980778d992 100644 --- a/drivers/net/wireless/libertas/if_usb.c +++ b/drivers/net/wireless/libertas/if_usb.c @@ -10,6 +10,7 @@ #include <linux/netdevice.h> #include <linux/slab.h> #include <linux/usb.h> +#include <linux/olpc-ec.h> #ifdef CONFIG_OLPC #include <asm/olpc.h> diff --git a/drivers/platform/Makefile b/drivers/platform/Makefile index 782953ae4c03..b17c16ce54ad 100644 --- a/drivers/platform/Makefile +++ b/drivers/platform/Makefile @@ -3,3 +3,4 @@ # obj-$(CONFIG_X86) += x86/ +obj-$(CONFIG_OLPC) += olpc/ diff --git a/drivers/platform/olpc/Makefile b/drivers/platform/olpc/Makefile new file mode 100644 index 000000000000..dc8b26bc7209 --- /dev/null +++ b/drivers/platform/olpc/Makefile @@ -0,0 +1,4 @@ +# +# OLPC XO platform-specific drivers +# +obj-$(CONFIG_OLPC) += olpc-ec.o diff --git a/drivers/platform/olpc/olpc-ec.c b/drivers/platform/olpc/olpc-ec.c new file mode 100644 index 000000000000..0f9f8596b300 --- /dev/null +++ b/drivers/platform/olpc/olpc-ec.c @@ -0,0 +1,336 @@ +/* + * Generic driver for the OLPC Embedded Controller. + * + * Copyright (C) 2011-2012 One Laptop per Child Foundation. + * + * Licensed under the GPL v2 or later. + */ +#include <linux/completion.h> +#include <linux/debugfs.h> +#include <linux/spinlock.h> +#include <linux/mutex.h> +#include <linux/platform_device.h> +#include <linux/slab.h> +#include <linux/workqueue.h> +#include <linux/module.h> +#include <linux/list.h> +#include <linux/olpc-ec.h> +#include <asm/olpc.h> + +struct ec_cmd_desc { + u8 cmd; + u8 *inbuf, *outbuf; + size_t inlen, outlen; + + int err; + struct completion finished; + struct list_head node; + + void *priv; +}; + +struct olpc_ec_priv { + struct olpc_ec_driver *drv; + struct work_struct worker; + struct mutex cmd_lock; + + /* Pending EC commands */ + struct list_head cmd_q; + spinlock_t cmd_q_lock; + + struct dentry *dbgfs_dir; + + /* + * Running an EC command while suspending means we don't always finish + * the command before the machine suspends. This means that the EC + * is expecting the command protocol to finish, but we after a period + * of time (while the OS is asleep) the EC times out and restarts its + * idle loop. Meanwhile, the OS wakes up, thinks it's still in the + * middle of the command protocol, starts throwing random things at + * the EC... and everyone's uphappy. + */ + bool suspended; +}; + +static struct olpc_ec_driver *ec_driver; +static struct olpc_ec_priv *ec_priv; +static void *ec_cb_arg; + +void olpc_ec_driver_register(struct olpc_ec_driver *drv, void *arg) +{ + ec_driver = drv; + ec_cb_arg = arg; +} +EXPORT_SYMBOL_GPL(olpc_ec_driver_register); + +static void olpc_ec_worker(struct work_struct *w) +{ + struct olpc_ec_priv *ec = container_of(w, struct olpc_ec_priv, worker); + struct ec_cmd_desc *desc = NULL; + unsigned long flags; + + /* Grab the first pending command from the queue */ + spin_lock_irqsave(&ec->cmd_q_lock, flags); + if (!list_empty(&ec->cmd_q)) { + desc = list_first_entry(&ec->cmd_q, struct ec_cmd_desc, node); + list_del(&desc->node); + } + spin_unlock_irqrestore(&ec->cmd_q_lock, flags); + + /* Do we actually have anything to do? */ + if (!desc) + return; + + /* Protect the EC hw with a mutex; only run one cmd at a time */ + mutex_lock(&ec->cmd_lock); + desc->err = ec_driver->ec_cmd(desc->cmd, desc->inbuf, desc->inlen, + desc->outbuf, desc->outlen, ec_cb_arg); + mutex_unlock(&ec->cmd_lock); + + /* Finished, wake up olpc_ec_cmd() */ + complete(&desc->finished); + + /* Run the worker thread again in case there are more cmds pending */ + schedule_work(&ec->worker); +} + +/* + * Throw a cmd descripter onto the list. We now have SMP OLPC machines, so + * locking is pretty critical. + */ +static void queue_ec_descriptor(struct ec_cmd_desc *desc, + struct olpc_ec_priv *ec) +{ + unsigned long flags; + + INIT_LIST_HEAD(&desc->node); + + spin_lock_irqsave(&ec->cmd_q_lock, flags); + list_add_tail(&desc->node, &ec->cmd_q); + spin_unlock_irqrestore(&ec->cmd_q_lock, flags); + + schedule_work(&ec->worker); +} + +int olpc_ec_cmd(u8 cmd, u8 *inbuf, size_t inlen, u8 *outbuf, size_t outlen) +{ + struct olpc_ec_priv *ec = ec_priv; + struct ec_cmd_desc desc; + + /* Ensure a driver and ec hook have been registered */ + if (WARN_ON(!ec_driver || !ec_driver->ec_cmd)) + return -ENODEV; + + if (!ec) + return -ENOMEM; + + /* Suspending in the middle of a command hoses things really badly */ + if (WARN_ON(ec->suspended)) + return -EBUSY; + + might_sleep(); + + desc.cmd = cmd; + desc.inbuf = inbuf; + desc.outbuf = outbuf; + desc.inlen = inlen; + desc.outlen = outlen; + desc.err = 0; + init_completion(&desc.finished); + + queue_ec_descriptor(&desc, ec); + + /* Timeouts must be handled in the platform-specific EC hook */ + wait_for_completion(&desc.finished); + + /* The worker thread dequeues the cmd; no need to do anything here */ + return desc.err; +} +EXPORT_SYMBOL_GPL(olpc_ec_cmd); + +#ifdef CONFIG_DEBUG_FS + +/* + * debugfs support for "generic commands", to allow sending + * arbitrary EC commands from userspace. + */ + +#define EC_MAX_CMD_ARGS (5 + 1) /* cmd byte + 5 args */ +#define EC_MAX_CMD_REPLY (8) + +static DEFINE_MUTEX(ec_dbgfs_lock); +static unsigned char ec_dbgfs_resp[EC_MAX_CMD_REPLY]; +static unsigned int ec_dbgfs_resp_bytes; + +static ssize_t ec_dbgfs_cmd_write(struct file *file, const char __user *buf, + size_t size, loff_t *ppos) +{ + int i, m; + unsigned char ec_cmd[EC_MAX_CMD_ARGS]; + unsigned int ec_cmd_int[EC_MAX_CMD_ARGS]; + char cmdbuf[64]; + int ec_cmd_bytes; + + mutex_lock(&ec_dbgfs_lock); + + size = simple_write_to_buffer(cmdbuf, sizeof(cmdbuf), ppos, buf, size); + + m = sscanf(cmdbuf, "%x:%u %x %x %x %x %x", &ec_cmd_int[0], + &ec_dbgfs_resp_bytes, &ec_cmd_int[1], &ec_cmd_int[2], + &ec_cmd_int[3], &ec_cmd_int[4], &ec_cmd_int[5]); + if (m < 2 || ec_dbgfs_resp_bytes > EC_MAX_CMD_REPLY) { + /* reset to prevent overflow on read */ + ec_dbgfs_resp_bytes = 0; + + pr_debug("olpc-ec: bad ec cmd: cmd:response-count [arg1 [arg2 ...]]\n"); + size = -EINVAL; + goto out; + } + + /* convert scanf'd ints to char */ + ec_cmd_bytes = m - 2; + for (i = 0; i <= ec_cmd_bytes; i++) + ec_cmd[i] = ec_cmd_int[i]; + + pr_debug("olpc-ec: debugfs cmd 0x%02x with %d args %02x %02x %02x %02x %02x, want %d returns\n", + ec_cmd[0], ec_cmd_bytes, ec_cmd[1], ec_cmd[2], + ec_cmd[3], ec_cmd[4], ec_cmd[5], ec_dbgfs_resp_bytes); + + olpc_ec_cmd(ec_cmd[0], (ec_cmd_bytes == 0) ? NULL : &ec_cmd[1], + ec_cmd_bytes, ec_dbgfs_resp, ec_dbgfs_resp_bytes); + + pr_debug("olpc-ec: response %02x %02x %02x %02x %02x %02x %02x %02x (%d bytes expected)\n", + ec_dbgfs_resp[0], ec_dbgfs_resp[1], ec_dbgfs_resp[2], + ec_dbgfs_resp[3], ec_dbgfs_resp[4], ec_dbgfs_resp[5], + ec_dbgfs_resp[6], ec_dbgfs_resp[7], + ec_dbgfs_resp_bytes); + +out: + mutex_unlock(&ec_dbgfs_lock); + return size; +} + +static ssize_t ec_dbgfs_cmd_read(struct file *file, char __user *buf, + size_t size, loff_t *ppos) +{ + unsigned int i, r; + char *rp; + char respbuf[64]; + + mutex_lock(&ec_dbgfs_lock); + rp = respbuf; + rp += sprintf(rp, "%02x", ec_dbgfs_resp[0]); + for (i = 1; i < ec_dbgfs_resp_bytes; i++) + rp += sprintf(rp, ", %02x", ec_dbgfs_resp[i]); + mutex_unlock(&ec_dbgfs_lock); + rp += sprintf(rp, "\n"); + + r = rp - respbuf; + return simple_read_from_buffer(buf, size, ppos, respbuf, r); +} + +static const struct file_operations ec_dbgfs_ops = { + .write = ec_dbgfs_cmd_write, + .read = ec_dbgfs_cmd_read, +}; + +static struct dentry *olpc_ec_setup_debugfs(void) +{ + struct dentry *dbgfs_dir; + + dbgfs_dir = debugfs_create_dir("olpc-ec", NULL); + if (IS_ERR_OR_NULL(dbgfs_dir)) + return NULL; + + debugfs_create_file("cmd", 0600, dbgfs_dir, NULL, &ec_dbgfs_ops); + + return dbgfs_dir; +} + +#else + +static struct dentry *olpc_ec_setup_debugfs(void) +{ + return NULL; +} + +#endif /* CONFIG_DEBUG_FS */ + +static int olpc_ec_probe(struct platform_device *pdev) +{ + struct olpc_ec_priv *ec; + int err; + + if (!ec_driver) + return -ENODEV; + + ec = kzalloc(sizeof(*ec), GFP_KERNEL); + if (!ec) + return -ENOMEM; + + ec->drv = ec_driver; + INIT_WORK(&ec->worker, olpc_ec_worker); + mutex_init(&ec->cmd_lock); + + INIT_LIST_HEAD(&ec->cmd_q); + spin_lock_init(&ec->cmd_q_lock); + + ec_priv = ec; + platform_set_drvdata(pdev, ec); + + err = ec_driver->probe ? ec_driver->probe(pdev) : 0; + if (err) { + ec_priv = NULL; + kfree(ec); + } else { + ec->dbgfs_dir = olpc_ec_setup_debugfs(); + } + + return err; +} + +static int olpc_ec_suspend(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct olpc_ec_priv *ec = platform_get_drvdata(pdev); + int err = 0; + + if (ec_driver->suspend) + err = ec_driver->suspend(pdev); + if (!err) + ec->suspended = true; + + return err; +} + +static int olpc_ec_resume(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct olpc_ec_priv *ec = platform_get_drvdata(pdev); + + ec->suspended = false; + return ec_driver->resume ? ec_driver->resume(pdev) : 0; +} + +static const struct dev_pm_ops olpc_ec_pm_ops = { + .suspend_late = olpc_ec_suspend, + .resume_early = olpc_ec_resume, +}; + +static struct platform_driver olpc_ec_plat_driver = { + .probe = olpc_ec_probe, + .driver = { + .name = "olpc-ec", + .pm = &olpc_ec_pm_ops, + }, +}; + +static int __init olpc_ec_init_module(void) +{ + return platform_driver_register(&olpc_ec_plat_driver); +} + +module_init(olpc_ec_init_module); + +MODULE_AUTHOR("Andres Salomon <[email protected]>"); +MODULE_LICENSE("GPL"); diff --git a/drivers/platform/x86/xo1-rfkill.c b/drivers/platform/x86/xo1-rfkill.c index b57ad8641480..1da13ed34b04 100644 --- a/drivers/platform/x86/xo1-rfkill.c +++ b/drivers/platform/x86/xo1-rfkill.c @@ -12,8 +12,7 @@ #include <linux/module.h> #include <linux/platform_device.h> #include <linux/rfkill.h> - -#include <asm/olpc.h> +#include <linux/olpc-ec.h> static bool card_blocked; diff --git a/drivers/power/olpc_battery.c b/drivers/power/olpc_battery.c index 55b10b813353..a89a41acf9c5 100644 --- a/drivers/power/olpc_battery.c +++ b/drivers/power/olpc_battery.c @@ -17,6 +17,7 @@ #include <linux/power_supply.h> #include <linux/jiffies.h> #include <linux/sched.h> +#include <linux/olpc-ec.h> #include <asm/olpc.h> diff --git a/drivers/sh/intc/Kconfig b/drivers/sh/intc/Kconfig index c88cbccc62b0..a305731742a9 100644 --- a/drivers/sh/intc/Kconfig +++ b/drivers/sh/intc/Kconfig @@ -1,3 +1,7 @@ +config SH_INTC + def_bool y + select IRQ_DOMAIN + comment "Interrupt controller options" config INTC_USERIMASK diff --git a/drivers/sh/intc/Makefile b/drivers/sh/intc/Makefile index 44f006d09471..54ec2a0643df 100644 --- a/drivers/sh/intc/Makefile +++ b/drivers/sh/intc/Makefile @@ -1,4 +1,4 @@ -obj-y := access.o chip.o core.o handle.o virq.o +obj-y := access.o chip.o core.o handle.o irqdomain.o virq.o obj-$(CONFIG_INTC_BALANCING) += balancing.o obj-$(CONFIG_INTC_USERIMASK) += userimask.o diff --git a/drivers/sh/intc/core.c b/drivers/sh/intc/core.c index 7e562ccb6997..2374468615ed 100644 --- a/drivers/sh/intc/core.c +++ b/drivers/sh/intc/core.c @@ -25,6 +25,7 @@ #include <linux/stat.h> #include <linux/interrupt.h> #include <linux/sh_intc.h> +#include <linux/irqdomain.h> #include <linux/device.h> #include <linux/syscore_ops.h> #include <linux/list.h> @@ -310,6 +311,8 @@ int __init register_intc_controller(struct intc_desc *desc) BUG_ON(k > 256); /* _INTC_ADDR_E() and _INTC_ADDR_D() are 8 bits */ + intc_irq_domain_init(d, hw); + /* register the vectors one by one */ for (i = 0; i < hw->nr_vectors; i++) { struct intc_vect *vect = hw->vectors + i; @@ -319,8 +322,8 @@ int __init register_intc_controller(struct intc_desc *desc) if (!vect->enum_id) continue; - res = irq_alloc_desc_at(irq, numa_node_id()); - if (res != irq && res != -EEXIST) { + res = irq_create_identity_mapping(d->domain, irq); + if (unlikely(res)) { pr_err("can't get irq_desc for %d\n", irq); continue; } @@ -340,8 +343,8 @@ int __init register_intc_controller(struct intc_desc *desc) * IRQ support, each vector still needs to have * its own backing irq_desc. */ - res = irq_alloc_desc_at(irq2, numa_node_id()); - if (res != irq2 && res != -EEXIST) { + res = irq_create_identity_mapping(d->domain, irq2); + if (unlikely(res)) { pr_err("can't get irq_desc for %d\n", irq2); continue; } diff --git a/drivers/sh/intc/internals.h b/drivers/sh/intc/internals.h index f034a979a16f..7dff08e2a071 100644 --- a/drivers/sh/intc/internals.h +++ b/drivers/sh/intc/internals.h @@ -1,5 +1,6 @@ #include <linux/sh_intc.h> #include <linux/irq.h> +#include <linux/irqdomain.h> #include <linux/list.h> #include <linux/kernel.h> #include <linux/types.h> @@ -66,6 +67,7 @@ struct intc_desc_int { unsigned int nr_sense; struct intc_window *window; unsigned int nr_windows; + struct irq_domain *domain; struct irq_chip chip; bool skip_suspend; }; @@ -187,6 +189,9 @@ unsigned long intc_get_ack_handle(unsigned int irq); void intc_enable_disable_enum(struct intc_desc *desc, struct intc_desc_int *d, intc_enum enum_id, int enable); +/* irqdomain.c */ +void intc_irq_domain_init(struct intc_desc_int *d, struct intc_hw_desc *hw); + /* virq.c */ void intc_subgroup_init(struct intc_desc *desc, struct intc_desc_int *d); void intc_irq_xlate_set(unsigned int irq, intc_enum id, struct intc_desc_int *d); diff --git a/drivers/sh/intc/irqdomain.c b/drivers/sh/intc/irqdomain.c new file mode 100644 index 000000000000..3968f1c3c5c3 --- /dev/null +++ b/drivers/sh/intc/irqdomain.c @@ -0,0 +1,68 @@ +/* + * IRQ domain support for SH INTC subsystem + * + * Copyright (C) 2012 Paul Mundt + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ +#define pr_fmt(fmt) "intc: " fmt + +#include <linux/irqdomain.h> +#include <linux/sh_intc.h> +#include <linux/export.h> +#include "internals.h" + +/** + * intc_irq_domain_evt_xlate() - Generic xlate for vectored IRQs. + * + * This takes care of exception vector to hwirq translation through + * by way of evt2irq() translation. + * + * Note: For platforms that use a flat vector space without INTEVT this + * basically just mimics irq_domain_xlate_onecell() by way of a nopped + * out evt2irq() implementation. + */ +static int intc_evt_xlate(struct irq_domain *d, struct device_node *ctrlr, + const u32 *intspec, unsigned int intsize, + unsigned long *out_hwirq, unsigned int *out_type) +{ + if (WARN_ON(intsize < 1)) + return -EINVAL; + + *out_hwirq = evt2irq(intspec[0]); + *out_type = IRQ_TYPE_NONE; + + return 0; +} + +static const struct irq_domain_ops intc_evt_ops = { + .xlate = intc_evt_xlate, +}; + +void __init intc_irq_domain_init(struct intc_desc_int *d, + struct intc_hw_desc *hw) +{ + unsigned int irq_base, irq_end; + + /* + * Quick linear revmap check + */ + irq_base = evt2irq(hw->vectors[0].vect); + irq_end = evt2irq(hw->vectors[hw->nr_vectors - 1].vect); + + /* + * Linear domains have a hard-wired assertion that IRQs start at + * 0 in order to make some performance optimizations. Lamely + * restrict the linear case to these conditions here, taking the + * tree penalty for linear cases with non-zero hwirq bases. + */ + if (irq_base == 0 && irq_end == (irq_base + hw->nr_vectors - 1)) + d->domain = irq_domain_add_linear(NULL, hw->nr_vectors, + &intc_evt_ops, NULL); + else + d->domain = irq_domain_add_tree(NULL, &intc_evt_ops, NULL); + + BUG_ON(!d->domain); +} diff --git a/drivers/sh/pfc/pinctrl.c b/drivers/sh/pfc/pinctrl.c index 0802b6c0d653..2804eaae804e 100644 --- a/drivers/sh/pfc/pinctrl.c +++ b/drivers/sh/pfc/pinctrl.c @@ -276,7 +276,6 @@ static int sh_pfc_pinconf_set(struct pinctrl_dev *pctldev, unsigned pin, unsigned long config) { struct sh_pfc_pinctrl *pmx = pinctrl_dev_get_drvdata(pctldev); - struct sh_pfc *pfc = pmx->pfc; /* Validate the new type */ if (config >= PINMUX_FLAG_TYPE) @@ -326,20 +325,6 @@ static struct pinctrl_desc sh_pfc_pinctrl_desc = { .confops = &sh_pfc_pinconf_ops, }; -int sh_pfc_register_pinctrl(struct sh_pfc *pfc) -{ - sh_pfc_pmx = kzalloc(sizeof(struct sh_pfc_pinctrl), GFP_KERNEL); - if (unlikely(!sh_pfc_pmx)) - return -ENOMEM; - - spin_lock_init(&sh_pfc_pmx->lock); - - sh_pfc_pmx->pfc = pfc; - - return 0; -} -EXPORT_SYMBOL_GPL(sh_pfc_register_pinctrl); - static inline void __devinit sh_pfc_map_one_gpio(struct sh_pfc *pfc, struct sh_pfc_pinctrl *pmx, struct pinmux_gpio *gpio, @@ -481,7 +466,6 @@ static int __devexit sh_pfc_pinctrl_remove(struct platform_device *pdev) { struct sh_pfc_pinctrl *pmx = platform_get_drvdata(pdev); - pinctrl_remove_gpio_range(pmx->pctl, &sh_pfc_gpio_range); pinctrl_unregister(pmx->pctl); platform_set_drvdata(pdev, NULL); @@ -507,7 +491,7 @@ static struct platform_device sh_pfc_pinctrl_device = { .id = -1, }; -static int __init sh_pfc_pinctrl_init(void) +static int sh_pfc_pinctrl_init(void) { int rc; @@ -521,10 +505,22 @@ static int __init sh_pfc_pinctrl_init(void) return rc; } +int sh_pfc_register_pinctrl(struct sh_pfc *pfc) +{ + sh_pfc_pmx = kzalloc(sizeof(struct sh_pfc_pinctrl), GFP_KERNEL); + if (unlikely(!sh_pfc_pmx)) + return -ENOMEM; + + spin_lock_init(&sh_pfc_pmx->lock); + + sh_pfc_pmx->pfc = pfc; + + return sh_pfc_pinctrl_init(); +} +EXPORT_SYMBOL_GPL(sh_pfc_register_pinctrl); + static void __exit sh_pfc_pinctrl_exit(void) { platform_driver_unregister(&sh_pfc_pinctrl_driver); } - -subsys_initcall(sh_pfc_pinctrl_init); module_exit(sh_pfc_pinctrl_exit); diff --git a/drivers/staging/olpc_dcon/olpc_dcon.c b/drivers/staging/olpc_dcon/olpc_dcon.c index 992275c0d87c..2c4bd746715a 100644 --- a/drivers/staging/olpc_dcon/olpc_dcon.c +++ b/drivers/staging/olpc_dcon/olpc_dcon.c @@ -27,6 +27,7 @@ #include <linux/uaccess.h> #include <linux/ctype.h> #include <linux/reboot.h> +#include <linux/olpc-ec.h> #include <asm/tsc.h> #include <asm/olpc.h> diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c index d4d8c9453cd8..9be296cf7295 100644 --- a/drivers/tty/serial/sh-sci.c +++ b/drivers/tty/serial/sh-sci.c @@ -25,6 +25,7 @@ #include <linux/module.h> #include <linux/errno.h> +#include <linux/sh_dma.h> #include <linux/timer.h> #include <linux/interrupt.h> #include <linux/tty.h> @@ -1410,8 +1411,8 @@ static void work_fn_rx(struct work_struct *work) /* Handle incomplete DMA receive */ struct tty_struct *tty = port->state->port.tty; struct dma_chan *chan = s->chan_rx; - struct sh_desc *sh_desc = container_of(desc, struct sh_desc, - async_tx); + struct shdma_desc *sh_desc = container_of(desc, + struct shdma_desc, async_tx); unsigned long flags; int count; diff --git a/drivers/watchdog/orion_wdt.c b/drivers/watchdog/orion_wdt.c index a73bea4aa1ba..c20f96b579d9 100644 --- a/drivers/watchdog/orion_wdt.c +++ b/drivers/watchdog/orion_wdt.c @@ -24,6 +24,7 @@ #include <linux/spinlock.h> #include <linux/clk.h> #include <linux/err.h> +#include <linux/of.h> #include <mach/bridge-regs.h> /* @@ -192,6 +193,12 @@ static void orion_wdt_shutdown(struct platform_device *pdev) orion_wdt_stop(&orion_wdt); } +static const struct of_device_id orion_wdt_of_match_table[] __devinitdata = { + { .compatible = "marvell,orion-wdt", }, + {}, +}; +MODULE_DEVICE_TABLE(of, orion_wdt_of_match_table); + static struct platform_driver orion_wdt_driver = { .probe = orion_wdt_probe, .remove = __devexit_p(orion_wdt_remove), @@ -199,6 +206,7 @@ static struct platform_driver orion_wdt_driver = { .driver = { .owner = THIS_MODULE, .name = "orion_wdt", + .of_match_table = of_match_ptr(orion_wdt_of_match_table), }, }; diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c index f391f1e75414..e5b77319c97b 100644 --- a/fs/ceph/dir.c +++ b/fs/ceph/dir.c @@ -633,44 +633,6 @@ static struct dentry *ceph_lookup(struct inode *dir, struct dentry *dentry, return dentry; } -int ceph_atomic_open(struct inode *dir, struct dentry *dentry, - struct file *file, unsigned flags, umode_t mode, - int *opened) -{ - int err; - struct dentry *res = NULL; - - if (!(flags & O_CREAT)) { - if (dentry->d_name.len > NAME_MAX) - return -ENAMETOOLONG; - - err = ceph_init_dentry(dentry); - if (err < 0) - return err; - - return ceph_lookup_open(dir, dentry, file, flags, mode, opened); - } - - if (d_unhashed(dentry)) { - res = ceph_lookup(dir, dentry, 0); - if (IS_ERR(res)) - return PTR_ERR(res); - - if (res) - dentry = res; - } - - /* We don't deal with positive dentries here */ - if (dentry->d_inode) - return finish_no_open(file, res); - - *opened |= FILE_CREATED; - err = ceph_lookup_open(dir, dentry, file, flags, mode, opened); - dput(res); - - return err; -} - /* * If we do a create but get no trace back from the MDS, follow up with * a lookup (the VFS expects us to link up the provided dentry). diff --git a/fs/ceph/file.c b/fs/ceph/file.c index 1b81d6c31878..ecebbc09bfc7 100644 --- a/fs/ceph/file.c +++ b/fs/ceph/file.c @@ -4,6 +4,7 @@ #include <linux/sched.h> #include <linux/slab.h> #include <linux/file.h> +#include <linux/mount.h> #include <linux/namei.h> #include <linux/writeback.h> @@ -106,9 +107,6 @@ static int ceph_init_file(struct inode *inode, struct file *file, int fmode) } /* - * If the filp already has private_data, that means the file was - * already opened by intent during lookup, and we do nothing. - * * If we already have the requisite capabilities, we can satisfy * the open request locally (no need to request new caps from the * MDS). We do, however, need to inform the MDS (asynchronously) @@ -207,24 +205,29 @@ out: /* - * Do a lookup + open with a single request. - * - * If this succeeds, but some subsequent check in the vfs - * may_open() fails, the struct *file gets cleaned up (i.e. - * ceph_release gets called). So fear not! + * Do a lookup + open with a single request. If we get a non-existent + * file or symlink, return 1 so the VFS can retry. */ -int ceph_lookup_open(struct inode *dir, struct dentry *dentry, +int ceph_atomic_open(struct inode *dir, struct dentry *dentry, struct file *file, unsigned flags, umode_t mode, int *opened) { struct ceph_fs_client *fsc = ceph_sb_to_client(dir->i_sb); struct ceph_mds_client *mdsc = fsc->mdsc; struct ceph_mds_request *req; - struct dentry *ret; + struct dentry *dn; int err; - dout("ceph_lookup_open dentry %p '%.*s' flags %d mode 0%o\n", - dentry, dentry->d_name.len, dentry->d_name.name, flags, mode); + dout("atomic_open %p dentry %p '%.*s' %s flags %d mode 0%o\n", + dir, dentry, dentry->d_name.len, dentry->d_name.name, + d_unhashed(dentry) ? "unhashed" : "hashed", flags, mode); + + if (dentry->d_name.len > NAME_MAX) + return -ENAMETOOLONG; + + err = ceph_init_dentry(dentry); + if (err < 0) + return err; /* do the open */ req = prepare_open_request(dir->i_sb, flags, mode); @@ -241,22 +244,31 @@ int ceph_lookup_open(struct inode *dir, struct dentry *dentry, (flags & (O_CREAT|O_TRUNC)) ? dir : NULL, req); err = ceph_handle_snapdir(req, dentry, err); - if (err) - goto out; - if ((flags & O_CREAT) && !req->r_reply_info.head->is_dentry) + if (err == 0 && (flags & O_CREAT) && !req->r_reply_info.head->is_dentry) err = ceph_handle_notrace_create(dir, dentry); - if (err) - goto out; - err = finish_open(file, req->r_dentry, ceph_open, opened); -out: - ret = ceph_finish_lookup(req, dentry, err); - ceph_mdsc_put_request(req); - dout("ceph_lookup_open result=%p\n", ret); - if (IS_ERR(ret)) - return PTR_ERR(ret); + if (d_unhashed(dentry)) { + dn = ceph_finish_lookup(req, dentry, err); + if (IS_ERR(dn)) + err = PTR_ERR(dn); + } else { + /* we were given a hashed negative dentry */ + dn = NULL; + } + if (err) + goto out_err; + if (dn || dentry->d_inode == NULL || S_ISLNK(dentry->d_inode->i_mode)) { + /* make vfs retry on splice, ENOENT, or symlink */ + dout("atomic_open finish_no_open on dn %p\n", dn); + err = finish_no_open(file, dn); + } else { + dout("atomic_open finish_open on dn %p\n", dn); + err = finish_open(file, dentry, ceph_open, opened); + } - dput(ret); +out_err: + ceph_mdsc_put_request(req); + dout("atomic_open result=%d\n", err); return err; } diff --git a/fs/ceph/super.h b/fs/ceph/super.h index ebc95cc652be..66ebe720e40d 100644 --- a/fs/ceph/super.h +++ b/fs/ceph/super.h @@ -806,9 +806,9 @@ extern int ceph_copy_from_page_vector(struct page **pages, loff_t off, size_t len); extern struct page **ceph_alloc_page_vector(int num_pages, gfp_t flags); extern int ceph_open(struct inode *inode, struct file *file); -extern int ceph_lookup_open(struct inode *dir, struct dentry *dentry, - struct file *od, unsigned flags, - umode_t mode, int *opened); +extern int ceph_atomic_open(struct inode *dir, struct dentry *dentry, + struct file *file, unsigned flags, umode_t mode, + int *opened); extern int ceph_release(struct inode *inode, struct file *filp); /* dir.c */ diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index 497da5ce704c..977dc0e85ccb 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h @@ -246,6 +246,16 @@ struct smb_version_operations { bool (*can_echo)(struct TCP_Server_Info *); /* send echo request */ int (*echo)(struct TCP_Server_Info *); + /* create directory */ + int (*mkdir)(const unsigned int, struct cifs_tcon *, const char *, + struct cifs_sb_info *); + /* set info on created directory */ + void (*mkdir_setinfo)(struct inode *, const char *, + struct cifs_sb_info *, struct cifs_tcon *, + const unsigned int); + /* remove directory */ + int (*rmdir)(const unsigned int, struct cifs_tcon *, const char *, + struct cifs_sb_info *); }; struct smb_version_values { diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h index cf7fb185103c..f1bbf8305d3a 100644 --- a/fs/cifs/cifsproto.h +++ b/fs/cifs/cifsproto.h @@ -289,18 +289,15 @@ extern int CIFSSMBUnixSetFileInfo(const unsigned int xid, u16 fid, u32 pid_of_opener); extern int CIFSSMBUnixSetPathInfo(const unsigned int xid, - struct cifs_tcon *tcon, char *file_name, + struct cifs_tcon *tcon, const char *file_name, const struct cifs_unix_set_info_args *args, const struct nls_table *nls_codepage, - int remap_special_chars); + int remap); extern int CIFSSMBMkDir(const unsigned int xid, struct cifs_tcon *tcon, - const char *newName, - const struct nls_table *nls_codepage, - int remap_special_chars); + const char *name, struct cifs_sb_info *cifs_sb); extern int CIFSSMBRmDir(const unsigned int xid, struct cifs_tcon *tcon, - const char *name, const struct nls_table *nls_codepage, - int remap_special_chars); + const char *name, struct cifs_sb_info *cifs_sb); extern int CIFSPOSIXDelFile(const unsigned int xid, struct cifs_tcon *tcon, const char *name, __u16 type, const struct nls_table *nls_codepage, diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index cabc7a01f5df..074923ce593d 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -948,15 +948,15 @@ DelFileRetry: } int -CIFSSMBRmDir(const unsigned int xid, struct cifs_tcon *tcon, - const char *dirName, const struct nls_table *nls_codepage, - int remap) +CIFSSMBRmDir(const unsigned int xid, struct cifs_tcon *tcon, const char *name, + struct cifs_sb_info *cifs_sb) { DELETE_DIRECTORY_REQ *pSMB = NULL; DELETE_DIRECTORY_RSP *pSMBr = NULL; int rc = 0; int bytes_returned; int name_len; + int remap = cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR; cFYI(1, "In CIFSSMBRmDir"); RmDirRetry: @@ -966,14 +966,15 @@ RmDirRetry: return rc; if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) { - name_len = cifsConvertToUTF16((__le16 *) pSMB->DirName, dirName, - PATH_MAX, nls_codepage, remap); + name_len = cifsConvertToUTF16((__le16 *) pSMB->DirName, name, + PATH_MAX, cifs_sb->local_nls, + remap); name_len++; /* trailing null */ name_len *= 2; } else { /* BB improve check for buffer overruns BB */ - name_len = strnlen(dirName, PATH_MAX); + name_len = strnlen(name, PATH_MAX); name_len++; /* trailing null */ - strncpy(pSMB->DirName, dirName, name_len); + strncpy(pSMB->DirName, name, name_len); } pSMB->BufferFormat = 0x04; @@ -992,14 +993,15 @@ RmDirRetry: } int -CIFSSMBMkDir(const unsigned int xid, struct cifs_tcon *tcon, - const char *name, const struct nls_table *nls_codepage, int remap) +CIFSSMBMkDir(const unsigned int xid, struct cifs_tcon *tcon, const char *name, + struct cifs_sb_info *cifs_sb) { int rc = 0; CREATE_DIRECTORY_REQ *pSMB = NULL; CREATE_DIRECTORY_RSP *pSMBr = NULL; int bytes_returned; int name_len; + int remap = cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR; cFYI(1, "In CIFSSMBMkDir"); MkDirRetry: @@ -1010,7 +1012,8 @@ MkDirRetry: if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) { name_len = cifsConvertToUTF16((__le16 *) pSMB->DirName, name, - PATH_MAX, nls_codepage, remap); + PATH_MAX, cifs_sb->local_nls, + remap); name_len++; /* trailing null */ name_len *= 2; } else { /* BB improve check for buffer overruns BB */ @@ -5943,7 +5946,7 @@ CIFSSMBUnixSetFileInfo(const unsigned int xid, struct cifs_tcon *tcon, int CIFSSMBUnixSetPathInfo(const unsigned int xid, struct cifs_tcon *tcon, - char *fileName, + const char *file_name, const struct cifs_unix_set_info_args *args, const struct nls_table *nls_codepage, int remap) { @@ -5964,14 +5967,14 @@ setPermsRetry: if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) { name_len = - cifsConvertToUTF16((__le16 *) pSMB->FileName, fileName, + cifsConvertToUTF16((__le16 *) pSMB->FileName, file_name, PATH_MAX, nls_codepage, remap); name_len++; /* trailing null */ name_len *= 2; } else { /* BB improve the check for buffer overruns BB */ - name_len = strnlen(fileName, PATH_MAX); + name_len = strnlen(file_name, PATH_MAX); name_len++; /* trailing null */ - strncpy(pSMB->FileName, fileName, name_len); + strncpy(pSMB->FileName, file_name, name_len); } params = 6 + name_len; diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c index 35cb6a374a45..7354877fa3bd 100644 --- a/fs/cifs/inode.c +++ b/fs/cifs/inode.c @@ -1219,16 +1219,153 @@ unlink_out: return rc; } +static int +cifs_mkdir_qinfo(struct inode *inode, struct dentry *dentry, umode_t mode, + const char *full_path, struct cifs_sb_info *cifs_sb, + struct cifs_tcon *tcon, const unsigned int xid) +{ + int rc = 0; + struct inode *newinode = NULL; + + if (tcon->unix_ext) + rc = cifs_get_inode_info_unix(&newinode, full_path, inode->i_sb, + xid); + else + rc = cifs_get_inode_info(&newinode, full_path, NULL, + inode->i_sb, xid, NULL); + if (rc) + return rc; + + d_instantiate(dentry, newinode); + /* + * setting nlink not necessary except in cases where we failed to get it + * from the server or was set bogus + */ + if ((dentry->d_inode) && (dentry->d_inode->i_nlink < 2)) + set_nlink(dentry->d_inode, 2); + + mode &= ~current_umask(); + /* must turn on setgid bit if parent dir has it */ + if (inode->i_mode & S_ISGID) + mode |= S_ISGID; + + if (tcon->unix_ext) { + struct cifs_unix_set_info_args args = { + .mode = mode, + .ctime = NO_CHANGE_64, + .atime = NO_CHANGE_64, + .mtime = NO_CHANGE_64, + .device = 0, + }; + if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SET_UID) { + args.uid = (__u64)current_fsuid(); + if (inode->i_mode & S_ISGID) + args.gid = (__u64)inode->i_gid; + else + args.gid = (__u64)current_fsgid(); + } else { + args.uid = NO_CHANGE_64; + args.gid = NO_CHANGE_64; + } + CIFSSMBUnixSetPathInfo(xid, tcon, full_path, &args, + cifs_sb->local_nls, + cifs_sb->mnt_cifs_flags & + CIFS_MOUNT_MAP_SPECIAL_CHR); + } else { + struct TCP_Server_Info *server = tcon->ses->server; + if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_ACL) && + (mode & S_IWUGO) == 0 && server->ops->mkdir_setinfo) + server->ops->mkdir_setinfo(newinode, full_path, cifs_sb, + tcon, xid); + if (dentry->d_inode) { + if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DYNPERM) + dentry->d_inode->i_mode = (mode | S_IFDIR); + + if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SET_UID) { + dentry->d_inode->i_uid = current_fsuid(); + if (inode->i_mode & S_ISGID) + dentry->d_inode->i_gid = inode->i_gid; + else + dentry->d_inode->i_gid = + current_fsgid(); + } + } + } + return rc; +} + +static int +cifs_posix_mkdir(struct inode *inode, struct dentry *dentry, umode_t mode, + const char *full_path, struct cifs_sb_info *cifs_sb, + struct cifs_tcon *tcon, const unsigned int xid) +{ + int rc = 0; + u32 oplock = 0; + FILE_UNIX_BASIC_INFO *info = NULL; + struct inode *newinode = NULL; + struct cifs_fattr fattr; + + info = kzalloc(sizeof(FILE_UNIX_BASIC_INFO), GFP_KERNEL); + if (info == NULL) { + rc = -ENOMEM; + goto posix_mkdir_out; + } + + mode &= ~current_umask(); + rc = CIFSPOSIXCreate(xid, tcon, SMB_O_DIRECTORY | SMB_O_CREAT, mode, + NULL /* netfid */, info, &oplock, full_path, + cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & + CIFS_MOUNT_MAP_SPECIAL_CHR); + if (rc == -EOPNOTSUPP) + goto posix_mkdir_out; + else if (rc) { + cFYI(1, "posix mkdir returned 0x%x", rc); + d_drop(dentry); + goto posix_mkdir_out; + } + + if (info->Type == cpu_to_le32(-1)) + /* no return info, go query for it */ + goto posix_mkdir_get_info; + /* + * BB check (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SET_UID ) to see if + * need to set uid/gid. + */ + + cifs_unix_basic_to_fattr(&fattr, info, cifs_sb); + cifs_fill_uniqueid(inode->i_sb, &fattr); + newinode = cifs_iget(inode->i_sb, &fattr); + if (!newinode) + goto posix_mkdir_get_info; + + d_instantiate(dentry, newinode); + +#ifdef CONFIG_CIFS_DEBUG2 + cFYI(1, "instantiated dentry %p %s to inode %p", dentry, + dentry->d_name.name, newinode); + + if (newinode->i_nlink != 2) + cFYI(1, "unexpected number of links %d", newinode->i_nlink); +#endif + +posix_mkdir_out: + kfree(info); + return rc; +posix_mkdir_get_info: + rc = cifs_mkdir_qinfo(inode, dentry, mode, full_path, cifs_sb, tcon, + xid); + goto posix_mkdir_out; +} + int cifs_mkdir(struct inode *inode, struct dentry *direntry, umode_t mode) { - int rc = 0, tmprc; + int rc = 0; unsigned int xid; struct cifs_sb_info *cifs_sb; struct tcon_link *tlink; struct cifs_tcon *tcon; - char *full_path = NULL; - struct inode *newinode = NULL; - struct cifs_fattr fattr; + struct TCP_Server_Info *server; + char *full_path; cFYI(1, "In cifs_mkdir, mode = 0x%hx inode = 0x%p", mode, inode); @@ -1248,145 +1385,29 @@ int cifs_mkdir(struct inode *inode, struct dentry *direntry, umode_t mode) if (cap_unix(tcon->ses) && (CIFS_UNIX_POSIX_PATH_OPS_CAP & le64_to_cpu(tcon->fsUnixInfo.Capability))) { - u32 oplock = 0; - FILE_UNIX_BASIC_INFO *pInfo = - kzalloc(sizeof(FILE_UNIX_BASIC_INFO), GFP_KERNEL); - if (pInfo == NULL) { - rc = -ENOMEM; + rc = cifs_posix_mkdir(inode, direntry, mode, full_path, cifs_sb, + tcon, xid); + if (rc != -EOPNOTSUPP) goto mkdir_out; - } - - mode &= ~current_umask(); - rc = CIFSPOSIXCreate(xid, tcon, SMB_O_DIRECTORY | SMB_O_CREAT, - mode, NULL /* netfid */, pInfo, &oplock, - full_path, cifs_sb->local_nls, - cifs_sb->mnt_cifs_flags & - CIFS_MOUNT_MAP_SPECIAL_CHR); - if (rc == -EOPNOTSUPP) { - kfree(pInfo); - goto mkdir_retry_old; - } else if (rc) { - cFYI(1, "posix mkdir returned 0x%x", rc); - d_drop(direntry); - } else { - if (pInfo->Type == cpu_to_le32(-1)) { - /* no return info, go query for it */ - kfree(pInfo); - goto mkdir_get_info; - } -/*BB check (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SET_UID ) to see if need - to set uid/gid */ - - cifs_unix_basic_to_fattr(&fattr, pInfo, cifs_sb); - cifs_fill_uniqueid(inode->i_sb, &fattr); - newinode = cifs_iget(inode->i_sb, &fattr); - if (!newinode) { - kfree(pInfo); - goto mkdir_get_info; - } - - d_instantiate(direntry, newinode); + } -#ifdef CONFIG_CIFS_DEBUG2 - cFYI(1, "instantiated dentry %p %s to inode %p", - direntry, direntry->d_name.name, newinode); + server = tcon->ses->server; - if (newinode->i_nlink != 2) - cFYI(1, "unexpected number of links %d", - newinode->i_nlink); -#endif - } - kfree(pInfo); + if (!server->ops->mkdir) { + rc = -ENOSYS; goto mkdir_out; } -mkdir_retry_old: + /* BB add setting the equivalent of mode via CreateX w/ACLs */ - rc = CIFSSMBMkDir(xid, tcon, full_path, cifs_sb->local_nls, - cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); + rc = server->ops->mkdir(xid, tcon, full_path, cifs_sb); if (rc) { cFYI(1, "cifs_mkdir returned 0x%x", rc); d_drop(direntry); - } else { -mkdir_get_info: - if (tcon->unix_ext) - rc = cifs_get_inode_info_unix(&newinode, full_path, - inode->i_sb, xid); - else - rc = cifs_get_inode_info(&newinode, full_path, NULL, - inode->i_sb, xid, NULL); - - d_instantiate(direntry, newinode); - /* setting nlink not necessary except in cases where we - * failed to get it from the server or was set bogus */ - if ((direntry->d_inode) && (direntry->d_inode->i_nlink < 2)) - set_nlink(direntry->d_inode, 2); - - mode &= ~current_umask(); - /* must turn on setgid bit if parent dir has it */ - if (inode->i_mode & S_ISGID) - mode |= S_ISGID; - - if (tcon->unix_ext) { - struct cifs_unix_set_info_args args = { - .mode = mode, - .ctime = NO_CHANGE_64, - .atime = NO_CHANGE_64, - .mtime = NO_CHANGE_64, - .device = 0, - }; - if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SET_UID) { - args.uid = (__u64)current_fsuid(); - if (inode->i_mode & S_ISGID) - args.gid = (__u64)inode->i_gid; - else - args.gid = (__u64)current_fsgid(); - } else { - args.uid = NO_CHANGE_64; - args.gid = NO_CHANGE_64; - } - CIFSSMBUnixSetPathInfo(xid, tcon, full_path, &args, - cifs_sb->local_nls, - cifs_sb->mnt_cifs_flags & - CIFS_MOUNT_MAP_SPECIAL_CHR); - } else { - if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_ACL) && - (mode & S_IWUGO) == 0) { - FILE_BASIC_INFO pInfo; - struct cifsInodeInfo *cifsInode; - u32 dosattrs; - - memset(&pInfo, 0, sizeof(pInfo)); - cifsInode = CIFS_I(newinode); - dosattrs = cifsInode->cifsAttrs|ATTR_READONLY; - pInfo.Attributes = cpu_to_le32(dosattrs); - tmprc = CIFSSMBSetPathInfo(xid, tcon, - full_path, &pInfo, - cifs_sb->local_nls, - cifs_sb->mnt_cifs_flags & - CIFS_MOUNT_MAP_SPECIAL_CHR); - if (tmprc == 0) - cifsInode->cifsAttrs = dosattrs; - } - if (direntry->d_inode) { - if (cifs_sb->mnt_cifs_flags & - CIFS_MOUNT_DYNPERM) - direntry->d_inode->i_mode = - (mode | S_IFDIR); - - if (cifs_sb->mnt_cifs_flags & - CIFS_MOUNT_SET_UID) { - direntry->d_inode->i_uid = - current_fsuid(); - if (inode->i_mode & S_ISGID) - direntry->d_inode->i_gid = - inode->i_gid; - else - direntry->d_inode->i_gid = - current_fsgid(); - } - } - } + goto mkdir_out; } + + rc = cifs_mkdir_qinfo(inode, direntry, mode, full_path, cifs_sb, tcon, + xid); mkdir_out: /* * Force revalidate to get parent dir info when needed since cached @@ -1405,7 +1426,8 @@ int cifs_rmdir(struct inode *inode, struct dentry *direntry) unsigned int xid; struct cifs_sb_info *cifs_sb; struct tcon_link *tlink; - struct cifs_tcon *pTcon; + struct cifs_tcon *tcon; + struct TCP_Server_Info *server; char *full_path = NULL; struct cifsInodeInfo *cifsInode; @@ -1425,10 +1447,16 @@ int cifs_rmdir(struct inode *inode, struct dentry *direntry) rc = PTR_ERR(tlink); goto rmdir_exit; } - pTcon = tlink_tcon(tlink); + tcon = tlink_tcon(tlink); + server = tcon->ses->server; + + if (!server->ops->rmdir) { + rc = -ENOSYS; + cifs_put_tlink(tlink); + goto rmdir_exit; + } - rc = CIFSSMBRmDir(xid, pTcon, full_path, cifs_sb->local_nls, - cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); + rc = server->ops->rmdir(xid, tcon, full_path, cifs_sb); cifs_put_tlink(tlink); if (!rc) { diff --git a/fs/cifs/smb1ops.c b/fs/cifs/smb1ops.c index c40356d24c5c..3129ac74b819 100644 --- a/fs/cifs/smb1ops.c +++ b/fs/cifs/smb1ops.c @@ -586,6 +586,27 @@ cifs_print_stats(struct seq_file *m, struct cifs_tcon *tcon) #endif } +static void +cifs_mkdir_setinfo(struct inode *inode, const char *full_path, + struct cifs_sb_info *cifs_sb, struct cifs_tcon *tcon, + const unsigned int xid) +{ + FILE_BASIC_INFO info; + struct cifsInodeInfo *cifsInode; + u32 dosattrs; + int rc; + + memset(&info, 0, sizeof(info)); + cifsInode = CIFS_I(inode); + dosattrs = cifsInode->cifsAttrs|ATTR_READONLY; + info.Attributes = cpu_to_le32(dosattrs); + rc = CIFSSMBSetPathInfo(xid, tcon, full_path, &info, cifs_sb->local_nls, + cifs_sb->mnt_cifs_flags & + CIFS_MOUNT_MAP_SPECIAL_CHR); + if (rc == 0) + cifsInode->cifsAttrs = dosattrs; +} + struct smb_version_operations smb1_operations = { .send_cancel = send_nt_cancel, .compare_fids = cifs_compare_fids, @@ -620,6 +641,9 @@ struct smb_version_operations smb1_operations = { .get_srv_inum = cifs_get_srv_inum, .build_path_to_root = cifs_build_path_to_root, .echo = CIFSSMBEcho, + .mkdir = CIFSSMBMkDir, + .mkdir_setinfo = cifs_mkdir_setinfo, + .rmdir = CIFSSMBRmDir, }; struct smb_version_values smb1_values = { diff --git a/fs/cifs/smb2inode.c b/fs/cifs/smb2inode.c index 1ba5c405315c..2aa5cb08c526 100644 --- a/fs/cifs/smb2inode.c +++ b/fs/cifs/smb2inode.c @@ -122,3 +122,42 @@ out: kfree(smb2_data); return rc; } + +int +smb2_mkdir(const unsigned int xid, struct cifs_tcon *tcon, const char *name, + struct cifs_sb_info *cifs_sb) +{ + return smb2_open_op_close(xid, tcon, cifs_sb, name, + FILE_WRITE_ATTRIBUTES, FILE_CREATE, 0, + CREATE_NOT_FILE, NULL, SMB2_OP_MKDIR); +} + +void +smb2_mkdir_setinfo(struct inode *inode, const char *name, + struct cifs_sb_info *cifs_sb, struct cifs_tcon *tcon, + const unsigned int xid) +{ + FILE_BASIC_INFO data; + struct cifsInodeInfo *cifs_i; + u32 dosattrs; + int tmprc; + + memset(&data, 0, sizeof(data)); + cifs_i = CIFS_I(inode); + dosattrs = cifs_i->cifsAttrs | ATTR_READONLY; + data.Attributes = cpu_to_le32(dosattrs); + tmprc = smb2_open_op_close(xid, tcon, cifs_sb, name, + FILE_WRITE_ATTRIBUTES, FILE_CREATE, 0, + CREATE_NOT_FILE, &data, SMB2_OP_SET_INFO); + if (tmprc == 0) + cifs_i->cifsAttrs = dosattrs; +} + +int +smb2_rmdir(const unsigned int xid, struct cifs_tcon *tcon, const char *name, + struct cifs_sb_info *cifs_sb) +{ + return smb2_open_op_close(xid, tcon, cifs_sb, name, DELETE, FILE_OPEN, + 0, CREATE_NOT_FILE | CREATE_DELETE_ON_CLOSE, + NULL, SMB2_OP_DELETE); +} diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c index 410cf925ea26..826209bf3684 100644 --- a/fs/cifs/smb2ops.c +++ b/fs/cifs/smb2ops.c @@ -318,6 +318,9 @@ struct smb_version_operations smb21_operations = { .query_path_info = smb2_query_path_info, .get_srv_inum = smb2_get_srv_inum, .build_path_to_root = smb2_build_path_to_root, + .mkdir = smb2_mkdir, + .mkdir_setinfo = smb2_mkdir_setinfo, + .rmdir = smb2_rmdir, }; struct smb_version_values smb21_values = { diff --git a/fs/cifs/smb2proto.h b/fs/cifs/smb2proto.h index 902bbe2b5ad3..bfaa7b148afd 100644 --- a/fs/cifs/smb2proto.h +++ b/fs/cifs/smb2proto.h @@ -52,6 +52,14 @@ extern int smb2_query_path_info(const unsigned int xid, struct cifs_tcon *tcon, struct cifs_sb_info *cifs_sb, const char *full_path, FILE_ALL_INFO *data, bool *adjust_tz); +extern int smb2_mkdir(const unsigned int xid, struct cifs_tcon *tcon, + const char *name, struct cifs_sb_info *cifs_sb); +extern void smb2_mkdir_setinfo(struct inode *inode, const char *full_path, + struct cifs_sb_info *cifs_sb, + struct cifs_tcon *tcon, const unsigned int xid); +extern int smb2_rmdir(const unsigned int xid, struct cifs_tcon *tcon, + const char *name, struct cifs_sb_info *cifs_sb); + /* * SMB2 Worker functions - most of protocol specific implementation details * are contained within these calls. diff --git a/fs/ecryptfs/ecryptfs_kernel.h b/fs/ecryptfs/ecryptfs_kernel.h index 989e034f02bd..cfb4b9fed520 100644 --- a/fs/ecryptfs/ecryptfs_kernel.h +++ b/fs/ecryptfs/ecryptfs_kernel.h @@ -385,8 +385,6 @@ struct ecryptfs_msg_ctx { struct mutex mux; }; -struct ecryptfs_daemon; - struct ecryptfs_daemon { #define ECRYPTFS_DAEMON_IN_READ 0x00000001 #define ECRYPTFS_DAEMON_IN_POLL 0x00000002 @@ -394,10 +392,7 @@ struct ecryptfs_daemon { #define ECRYPTFS_DAEMON_MISCDEV_OPEN 0x00000008 u32 flags; u32 num_queued_msg_ctx; - struct pid *pid; - uid_t euid; - struct user_namespace *user_ns; - struct task_struct *task; + struct file *file; struct mutex mux; struct list_head msg_ctx_out_queue; wait_queue_head_t wait; @@ -554,6 +549,8 @@ extern struct kmem_cache *ecryptfs_key_tfm_cache; struct inode *ecryptfs_get_inode(struct inode *lower_inode, struct super_block *sb); void ecryptfs_i_size_init(const char *page_virt, struct inode *inode); +int ecryptfs_initialize_file(struct dentry *ecryptfs_dentry, + struct inode *ecryptfs_inode); int ecryptfs_decode_and_decrypt_filename(char **decrypted_name, size_t *decrypted_name_size, struct dentry *ecryptfs_dentry, @@ -607,13 +604,8 @@ int ecryptfs_setxattr(struct dentry *dentry, const char *name, const void *value, size_t size, int flags); int ecryptfs_read_xattr_region(char *page_virt, struct inode *ecryptfs_inode); -int ecryptfs_process_helo(uid_t euid, struct user_namespace *user_ns, - struct pid *pid); -int ecryptfs_process_quit(uid_t euid, struct user_namespace *user_ns, - struct pid *pid); -int ecryptfs_process_response(struct ecryptfs_message *msg, uid_t euid, - struct user_namespace *user_ns, struct pid *pid, - u32 seq); +int ecryptfs_process_response(struct ecryptfs_daemon *daemon, + struct ecryptfs_message *msg, u32 seq); int ecryptfs_send_message(char *data, int data_len, struct ecryptfs_msg_ctx **msg_ctx); int ecryptfs_wait_for_response(struct ecryptfs_msg_ctx *msg_ctx, @@ -658,8 +650,7 @@ int ecryptfs_read_lower_page_segment(struct page *page_for_ecryptfs, struct inode *ecryptfs_inode); struct page *ecryptfs_get_locked_page(struct inode *inode, loff_t index); int ecryptfs_exorcise_daemon(struct ecryptfs_daemon *daemon); -int ecryptfs_find_daemon_by_euid(struct ecryptfs_daemon **daemon, uid_t euid, - struct user_namespace *user_ns); +int ecryptfs_find_daemon_by_euid(struct ecryptfs_daemon **daemon); int ecryptfs_parse_packet_length(unsigned char *data, size_t *size, size_t *length_size); int ecryptfs_write_packet_length(char *dest, size_t size, @@ -671,8 +662,7 @@ int ecryptfs_send_miscdev(char *data, size_t data_size, u16 msg_flags, struct ecryptfs_daemon *daemon); void ecryptfs_msg_ctx_alloc_to_free(struct ecryptfs_msg_ctx *msg_ctx); int -ecryptfs_spawn_daemon(struct ecryptfs_daemon **daemon, uid_t euid, - struct user_namespace *user_ns, struct pid *pid); +ecryptfs_spawn_daemon(struct ecryptfs_daemon **daemon, struct file *file); int ecryptfs_init_kthread(void); void ecryptfs_destroy_kthread(void); int ecryptfs_privileged_open(struct file **lower_file, diff --git a/fs/ecryptfs/file.c b/fs/ecryptfs/file.c index 2b17f2f9b121..44ce5c6a541d 100644 --- a/fs/ecryptfs/file.c +++ b/fs/ecryptfs/file.c @@ -138,29 +138,50 @@ out: return rc; } -static void ecryptfs_vma_close(struct vm_area_struct *vma) -{ - filemap_write_and_wait(vma->vm_file->f_mapping); -} - -static const struct vm_operations_struct ecryptfs_file_vm_ops = { - .close = ecryptfs_vma_close, - .fault = filemap_fault, -}; +struct kmem_cache *ecryptfs_file_info_cache; -static int ecryptfs_file_mmap(struct file *file, struct vm_area_struct *vma) +static int read_or_initialize_metadata(struct dentry *dentry) { + struct inode *inode = dentry->d_inode; + struct ecryptfs_mount_crypt_stat *mount_crypt_stat; + struct ecryptfs_crypt_stat *crypt_stat; int rc; - rc = generic_file_mmap(file, vma); + crypt_stat = &ecryptfs_inode_to_private(inode)->crypt_stat; + mount_crypt_stat = &ecryptfs_superblock_to_private( + inode->i_sb)->mount_crypt_stat; + mutex_lock(&crypt_stat->cs_mutex); + + if (crypt_stat->flags & ECRYPTFS_POLICY_APPLIED && + crypt_stat->flags & ECRYPTFS_KEY_VALID) { + rc = 0; + goto out; + } + + rc = ecryptfs_read_metadata(dentry); if (!rc) - vma->vm_ops = &ecryptfs_file_vm_ops; + goto out; + + if (mount_crypt_stat->flags & ECRYPTFS_PLAINTEXT_PASSTHROUGH_ENABLED) { + crypt_stat->flags &= ~(ECRYPTFS_I_SIZE_INITIALIZED + | ECRYPTFS_ENCRYPTED); + rc = 0; + goto out; + } + if (!(mount_crypt_stat->flags & ECRYPTFS_XATTR_METADATA_ENABLED) && + !i_size_read(ecryptfs_inode_to_lower(inode))) { + rc = ecryptfs_initialize_file(dentry, inode); + if (!rc) + goto out; + } + + rc = -EIO; +out: + mutex_unlock(&crypt_stat->cs_mutex); return rc; } -struct kmem_cache *ecryptfs_file_info_cache; - /** * ecryptfs_open * @inode: inode speciying file to open @@ -236,32 +257,9 @@ static int ecryptfs_open(struct inode *inode, struct file *file) rc = 0; goto out; } - mutex_lock(&crypt_stat->cs_mutex); - if (!(crypt_stat->flags & ECRYPTFS_POLICY_APPLIED) - || !(crypt_stat->flags & ECRYPTFS_KEY_VALID)) { - rc = ecryptfs_read_metadata(ecryptfs_dentry); - if (rc) { - ecryptfs_printk(KERN_DEBUG, - "Valid headers not found\n"); - if (!(mount_crypt_stat->flags - & ECRYPTFS_PLAINTEXT_PASSTHROUGH_ENABLED)) { - rc = -EIO; - printk(KERN_WARNING "Either the lower file " - "is not in a valid eCryptfs format, " - "or the key could not be retrieved. " - "Plaintext passthrough mode is not " - "enabled; returning -EIO\n"); - mutex_unlock(&crypt_stat->cs_mutex); - goto out_put; - } - rc = 0; - crypt_stat->flags &= ~(ECRYPTFS_I_SIZE_INITIALIZED - | ECRYPTFS_ENCRYPTED); - mutex_unlock(&crypt_stat->cs_mutex); - goto out; - } - } - mutex_unlock(&crypt_stat->cs_mutex); + rc = read_or_initialize_metadata(ecryptfs_dentry); + if (rc) + goto out_put; ecryptfs_printk(KERN_DEBUG, "inode w/ addr = [0x%p], i_ino = " "[0x%.16lx] size: [0x%.16llx]\n", inode, inode->i_ino, (unsigned long long)i_size_read(inode)); @@ -292,15 +290,7 @@ static int ecryptfs_release(struct inode *inode, struct file *file) static int ecryptfs_fsync(struct file *file, loff_t start, loff_t end, int datasync) { - int rc = 0; - - rc = generic_file_fsync(file, start, end, datasync); - if (rc) - goto out; - rc = vfs_fsync_range(ecryptfs_file_to_lower(file), start, end, - datasync); -out: - return rc; + return vfs_fsync(ecryptfs_file_to_lower(file), datasync); } static int ecryptfs_fasync(int fd, struct file *file, int flag) @@ -369,7 +359,7 @@ const struct file_operations ecryptfs_main_fops = { #ifdef CONFIG_COMPAT .compat_ioctl = ecryptfs_compat_ioctl, #endif - .mmap = ecryptfs_file_mmap, + .mmap = generic_file_mmap, .open = ecryptfs_open, .flush = ecryptfs_flush, .release = ecryptfs_release, diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c index c3ca12c33ca2..534b129ea676 100644 --- a/fs/ecryptfs/inode.c +++ b/fs/ecryptfs/inode.c @@ -143,6 +143,31 @@ static int ecryptfs_interpose(struct dentry *lower_dentry, return 0; } +static int ecryptfs_do_unlink(struct inode *dir, struct dentry *dentry, + struct inode *inode) +{ + struct dentry *lower_dentry = ecryptfs_dentry_to_lower(dentry); + struct inode *lower_dir_inode = ecryptfs_inode_to_lower(dir); + struct dentry *lower_dir_dentry; + int rc; + + dget(lower_dentry); + lower_dir_dentry = lock_parent(lower_dentry); + rc = vfs_unlink(lower_dir_inode, lower_dentry); + if (rc) { + printk(KERN_ERR "Error in vfs_unlink; rc = [%d]\n", rc); + goto out_unlock; + } + fsstack_copy_attr_times(dir, lower_dir_inode); + set_nlink(inode, ecryptfs_inode_to_lower(inode)->i_nlink); + inode->i_ctime = dir->i_ctime; + d_drop(dentry); +out_unlock: + unlock_dir(lower_dir_dentry); + dput(lower_dentry); + return rc; +} + /** * ecryptfs_do_create * @directory_inode: inode of the new file's dentry's parent in ecryptfs @@ -182,8 +207,10 @@ ecryptfs_do_create(struct inode *directory_inode, } inode = __ecryptfs_get_inode(lower_dentry->d_inode, directory_inode->i_sb); - if (IS_ERR(inode)) + if (IS_ERR(inode)) { + vfs_unlink(lower_dir_dentry->d_inode, lower_dentry); goto out_lock; + } fsstack_copy_attr_times(directory_inode, lower_dir_dentry->d_inode); fsstack_copy_inode_size(directory_inode, lower_dir_dentry->d_inode); out_lock: @@ -200,8 +227,8 @@ out: * * Returns zero on success */ -static int ecryptfs_initialize_file(struct dentry *ecryptfs_dentry, - struct inode *ecryptfs_inode) +int ecryptfs_initialize_file(struct dentry *ecryptfs_dentry, + struct inode *ecryptfs_inode) { struct ecryptfs_crypt_stat *crypt_stat = &ecryptfs_inode_to_private(ecryptfs_inode)->crypt_stat; @@ -264,7 +291,9 @@ ecryptfs_create(struct inode *directory_inode, struct dentry *ecryptfs_dentry, * that this on disk file is prepared to be an ecryptfs file */ rc = ecryptfs_initialize_file(ecryptfs_dentry, ecryptfs_inode); if (rc) { - drop_nlink(ecryptfs_inode); + ecryptfs_do_unlink(directory_inode, ecryptfs_dentry, + ecryptfs_inode); + make_bad_inode(ecryptfs_inode); unlock_new_inode(ecryptfs_inode); iput(ecryptfs_inode); goto out; @@ -466,27 +495,7 @@ out_lock: static int ecryptfs_unlink(struct inode *dir, struct dentry *dentry) { - int rc = 0; - struct dentry *lower_dentry = ecryptfs_dentry_to_lower(dentry); - struct inode *lower_dir_inode = ecryptfs_inode_to_lower(dir); - struct dentry *lower_dir_dentry; - - dget(lower_dentry); - lower_dir_dentry = lock_parent(lower_dentry); - rc = vfs_unlink(lower_dir_inode, lower_dentry); - if (rc) { - printk(KERN_ERR "Error in vfs_unlink; rc = [%d]\n", rc); - goto out_unlock; - } - fsstack_copy_attr_times(dir, lower_dir_inode); - set_nlink(dentry->d_inode, - ecryptfs_inode_to_lower(dentry->d_inode)->i_nlink); - dentry->d_inode->i_ctime = dir->i_ctime; - d_drop(dentry); -out_unlock: - unlock_dir(lower_dir_dentry); - dput(lower_dentry); - return rc; + return ecryptfs_do_unlink(dir, dentry, dentry->d_inode); } static int ecryptfs_symlink(struct inode *dir, struct dentry *dentry, @@ -961,12 +970,6 @@ static int ecryptfs_setattr(struct dentry *dentry, struct iattr *ia) goto out; } - if (S_ISREG(inode->i_mode)) { - rc = filemap_write_and_wait(inode->i_mapping); - if (rc) - goto out; - fsstack_copy_attr_all(inode, lower_inode); - } memcpy(&lower_ia, ia, sizeof(lower_ia)); if (ia->ia_valid & ATTR_FILE) lower_ia.ia_file = ecryptfs_file_to_lower(ia->ia_file); diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c index 1c0b3b6b75c6..2768138eefee 100644 --- a/fs/ecryptfs/main.c +++ b/fs/ecryptfs/main.c @@ -279,6 +279,7 @@ static int ecryptfs_parse_options(struct ecryptfs_sb_info *sbi, char *options, char *fnek_src; char *cipher_key_bytes_src; char *fn_cipher_key_bytes_src; + u8 cipher_code; *check_ruid = 0; @@ -420,6 +421,18 @@ static int ecryptfs_parse_options(struct ecryptfs_sb_info *sbi, char *options, && !fn_cipher_key_bytes_set) mount_crypt_stat->global_default_fn_cipher_key_bytes = mount_crypt_stat->global_default_cipher_key_size; + + cipher_code = ecryptfs_code_for_cipher_string( + mount_crypt_stat->global_default_cipher_name, + mount_crypt_stat->global_default_cipher_key_size); + if (!cipher_code) { + ecryptfs_printk(KERN_ERR, + "eCryptfs doesn't support cipher: %s", + mount_crypt_stat->global_default_cipher_name); + rc = -EINVAL; + goto out; + } + mutex_lock(&key_tfm_list_mutex); if (!ecryptfs_tfm_exists(mount_crypt_stat->global_default_cipher_name, NULL)) { @@ -540,6 +553,15 @@ static struct dentry *ecryptfs_mount(struct file_system_type *fs_type, int flags } ecryptfs_set_superblock_lower(s, path.dentry->d_sb); + + /** + * Set the POSIX ACL flag based on whether they're enabled in the lower + * mount. Force a read-only eCryptfs mount if the lower mount is ro. + * Allow a ro eCryptfs mount even when the lower mount is rw. + */ + s->s_flags = flags & ~MS_POSIXACL; + s->s_flags |= path.dentry->d_sb->s_flags & (MS_RDONLY | MS_POSIXACL); + s->s_maxbytes = path.dentry->d_sb->s_maxbytes; s->s_blocksize = path.dentry->d_sb->s_blocksize; s->s_magic = ECRYPTFS_SUPER_MAGIC; diff --git a/fs/ecryptfs/messaging.c b/fs/ecryptfs/messaging.c index a750f957b145..b29bb8bfa8d9 100644 --- a/fs/ecryptfs/messaging.c +++ b/fs/ecryptfs/messaging.c @@ -32,8 +32,8 @@ static struct mutex ecryptfs_msg_ctx_lists_mux; static struct hlist_head *ecryptfs_daemon_hash; struct mutex ecryptfs_daemon_hash_mux; static int ecryptfs_hash_bits; -#define ecryptfs_uid_hash(uid) \ - hash_long((unsigned long)uid, ecryptfs_hash_bits) +#define ecryptfs_current_euid_hash(uid) \ + hash_long((unsigned long)current_euid(), ecryptfs_hash_bits) static u32 ecryptfs_msg_counter; static struct ecryptfs_msg_ctx *ecryptfs_msg_ctx_arr; @@ -105,26 +105,24 @@ void ecryptfs_msg_ctx_alloc_to_free(struct ecryptfs_msg_ctx *msg_ctx) /** * ecryptfs_find_daemon_by_euid - * @euid: The effective user id which maps to the desired daemon id - * @user_ns: The namespace in which @euid applies * @daemon: If return value is zero, points to the desired daemon pointer * * Must be called with ecryptfs_daemon_hash_mux held. * - * Search the hash list for the given user id. + * Search the hash list for the current effective user id. * * Returns zero if the user id exists in the list; non-zero otherwise. */ -int ecryptfs_find_daemon_by_euid(struct ecryptfs_daemon **daemon, uid_t euid, - struct user_namespace *user_ns) +int ecryptfs_find_daemon_by_euid(struct ecryptfs_daemon **daemon) { struct hlist_node *elem; int rc; hlist_for_each_entry(*daemon, elem, - &ecryptfs_daemon_hash[ecryptfs_uid_hash(euid)], - euid_chain) { - if ((*daemon)->euid == euid && (*daemon)->user_ns == user_ns) { + &ecryptfs_daemon_hash[ecryptfs_current_euid_hash()], + euid_chain) { + if ((*daemon)->file->f_cred->euid == current_euid() && + (*daemon)->file->f_cred->user_ns == current_user_ns()) { rc = 0; goto out; } @@ -137,9 +135,7 @@ out: /** * ecryptfs_spawn_daemon - Create and initialize a new daemon struct * @daemon: Pointer to set to newly allocated daemon struct - * @euid: Effective user id for the daemon - * @user_ns: The namespace in which @euid applies - * @pid: Process id for the daemon + * @file: File used when opening /dev/ecryptfs * * Must be called ceremoniously while in possession of * ecryptfs_sacred_daemon_hash_mux @@ -147,8 +143,7 @@ out: * Returns zero on success; non-zero otherwise */ int -ecryptfs_spawn_daemon(struct ecryptfs_daemon **daemon, uid_t euid, - struct user_namespace *user_ns, struct pid *pid) +ecryptfs_spawn_daemon(struct ecryptfs_daemon **daemon, struct file *file) { int rc = 0; @@ -159,16 +154,13 @@ ecryptfs_spawn_daemon(struct ecryptfs_daemon **daemon, uid_t euid, "GFP_KERNEL memory\n", __func__, sizeof(**daemon)); goto out; } - (*daemon)->euid = euid; - (*daemon)->user_ns = get_user_ns(user_ns); - (*daemon)->pid = get_pid(pid); - (*daemon)->task = current; + (*daemon)->file = file; mutex_init(&(*daemon)->mux); INIT_LIST_HEAD(&(*daemon)->msg_ctx_out_queue); init_waitqueue_head(&(*daemon)->wait); (*daemon)->num_queued_msg_ctx = 0; hlist_add_head(&(*daemon)->euid_chain, - &ecryptfs_daemon_hash[ecryptfs_uid_hash(euid)]); + &ecryptfs_daemon_hash[ecryptfs_current_euid_hash()]); out: return rc; } @@ -188,9 +180,6 @@ int ecryptfs_exorcise_daemon(struct ecryptfs_daemon *daemon) if ((daemon->flags & ECRYPTFS_DAEMON_IN_READ) || (daemon->flags & ECRYPTFS_DAEMON_IN_POLL)) { rc = -EBUSY; - printk(KERN_WARNING "%s: Attempt to destroy daemon with pid " - "[0x%p], but it is in the midst of a read or a poll\n", - __func__, daemon->pid); mutex_unlock(&daemon->mux); goto out; } @@ -203,12 +192,6 @@ int ecryptfs_exorcise_daemon(struct ecryptfs_daemon *daemon) ecryptfs_msg_ctx_alloc_to_free(msg_ctx); } hlist_del(&daemon->euid_chain); - if (daemon->task) - wake_up_process(daemon->task); - if (daemon->pid) - put_pid(daemon->pid); - if (daemon->user_ns) - put_user_ns(daemon->user_ns); mutex_unlock(&daemon->mux); kzfree(daemon); out: @@ -216,42 +199,9 @@ out: } /** - * ecryptfs_process_quit - * @euid: The user ID owner of the message - * @user_ns: The namespace in which @euid applies - * @pid: The process ID for the userspace program that sent the - * message - * - * Deletes the corresponding daemon for the given euid and pid, if - * it is the registered that is requesting the deletion. Returns zero - * after deleting the desired daemon; non-zero otherwise. - */ -int ecryptfs_process_quit(uid_t euid, struct user_namespace *user_ns, - struct pid *pid) -{ - struct ecryptfs_daemon *daemon; - int rc; - - mutex_lock(&ecryptfs_daemon_hash_mux); - rc = ecryptfs_find_daemon_by_euid(&daemon, euid, user_ns); - if (rc || !daemon) { - rc = -EINVAL; - printk(KERN_ERR "Received request from user [%d] to " - "unregister unrecognized daemon [0x%p]\n", euid, pid); - goto out_unlock; - } - rc = ecryptfs_exorcise_daemon(daemon); -out_unlock: - mutex_unlock(&ecryptfs_daemon_hash_mux); - return rc; -} - -/** * ecryptfs_process_reponse * @msg: The ecryptfs message received; the caller should sanity check * msg->data_len and free the memory - * @pid: The process ID of the userspace application that sent the - * message * @seq: The sequence number of the message; must match the sequence * number for the existing message context waiting for this * response @@ -270,16 +220,11 @@ out_unlock: * * Returns zero on success; non-zero otherwise */ -int ecryptfs_process_response(struct ecryptfs_message *msg, uid_t euid, - struct user_namespace *user_ns, struct pid *pid, - u32 seq) +int ecryptfs_process_response(struct ecryptfs_daemon *daemon, + struct ecryptfs_message *msg, u32 seq) { - struct ecryptfs_daemon *uninitialized_var(daemon); struct ecryptfs_msg_ctx *msg_ctx; size_t msg_size; - struct nsproxy *nsproxy; - struct user_namespace *tsk_user_ns; - uid_t ctx_euid; int rc; if (msg->index >= ecryptfs_message_buf_len) { @@ -292,51 +237,6 @@ int ecryptfs_process_response(struct ecryptfs_message *msg, uid_t euid, } msg_ctx = &ecryptfs_msg_ctx_arr[msg->index]; mutex_lock(&msg_ctx->mux); - mutex_lock(&ecryptfs_daemon_hash_mux); - rcu_read_lock(); - nsproxy = task_nsproxy(msg_ctx->task); - if (nsproxy == NULL) { - rc = -EBADMSG; - printk(KERN_ERR "%s: Receiving process is a zombie. Dropping " - "message.\n", __func__); - rcu_read_unlock(); - mutex_unlock(&ecryptfs_daemon_hash_mux); - goto wake_up; - } - tsk_user_ns = __task_cred(msg_ctx->task)->user_ns; - ctx_euid = task_euid(msg_ctx->task); - rc = ecryptfs_find_daemon_by_euid(&daemon, ctx_euid, tsk_user_ns); - rcu_read_unlock(); - mutex_unlock(&ecryptfs_daemon_hash_mux); - if (rc) { - rc = -EBADMSG; - printk(KERN_WARNING "%s: User [%d] received a " - "message response from process [0x%p] but does " - "not have a registered daemon\n", __func__, - ctx_euid, pid); - goto wake_up; - } - if (ctx_euid != euid) { - rc = -EBADMSG; - printk(KERN_WARNING "%s: Received message from user " - "[%d]; expected message from user [%d]\n", __func__, - euid, ctx_euid); - goto unlock; - } - if (tsk_user_ns != user_ns) { - rc = -EBADMSG; - printk(KERN_WARNING "%s: Received message from user_ns " - "[0x%p]; expected message from user_ns [0x%p]\n", - __func__, user_ns, tsk_user_ns); - goto unlock; - } - if (daemon->pid != pid) { - rc = -EBADMSG; - printk(KERN_ERR "%s: User [%d] sent a message response " - "from an unrecognized process [0x%p]\n", - __func__, ctx_euid, pid); - goto unlock; - } if (msg_ctx->state != ECRYPTFS_MSG_CTX_STATE_PENDING) { rc = -EINVAL; printk(KERN_WARNING "%s: Desired context element is not " @@ -359,9 +259,8 @@ int ecryptfs_process_response(struct ecryptfs_message *msg, uid_t euid, } memcpy(msg_ctx->msg, msg, msg_size); msg_ctx->state = ECRYPTFS_MSG_CTX_STATE_DONE; - rc = 0; -wake_up: wake_up_process(msg_ctx->task); + rc = 0; unlock: mutex_unlock(&msg_ctx->mux); out: @@ -383,14 +282,11 @@ ecryptfs_send_message_locked(char *data, int data_len, u8 msg_type, struct ecryptfs_msg_ctx **msg_ctx) { struct ecryptfs_daemon *daemon; - uid_t euid = current_euid(); int rc; - rc = ecryptfs_find_daemon_by_euid(&daemon, euid, current_user_ns()); + rc = ecryptfs_find_daemon_by_euid(&daemon); if (rc || !daemon) { rc = -ENOTCONN; - printk(KERN_ERR "%s: User [%d] does not have a daemon " - "registered\n", __func__, euid); goto out; } mutex_lock(&ecryptfs_msg_ctx_lists_mux); diff --git a/fs/ecryptfs/miscdev.c b/fs/ecryptfs/miscdev.c index c0038f6566d4..412e6eda25f8 100644 --- a/fs/ecryptfs/miscdev.c +++ b/fs/ecryptfs/miscdev.c @@ -33,7 +33,7 @@ static atomic_t ecryptfs_num_miscdev_opens; /** * ecryptfs_miscdev_poll - * @file: dev file (ignored) + * @file: dev file * @pt: dev poll table (ignored) * * Returns the poll mask @@ -41,20 +41,10 @@ static atomic_t ecryptfs_num_miscdev_opens; static unsigned int ecryptfs_miscdev_poll(struct file *file, poll_table *pt) { - struct ecryptfs_daemon *daemon; + struct ecryptfs_daemon *daemon = file->private_data; unsigned int mask = 0; - uid_t euid = current_euid(); - int rc; - mutex_lock(&ecryptfs_daemon_hash_mux); - /* TODO: Just use file->private_data? */ - rc = ecryptfs_find_daemon_by_euid(&daemon, euid, current_user_ns()); - if (rc || !daemon) { - mutex_unlock(&ecryptfs_daemon_hash_mux); - return -EINVAL; - } mutex_lock(&daemon->mux); - mutex_unlock(&ecryptfs_daemon_hash_mux); if (daemon->flags & ECRYPTFS_DAEMON_ZOMBIE) { printk(KERN_WARNING "%s: Attempt to poll on zombified " "daemon\n", __func__); @@ -79,7 +69,7 @@ out_unlock_daemon: /** * ecryptfs_miscdev_open * @inode: inode of miscdev handle (ignored) - * @file: file for miscdev handle (ignored) + * @file: file for miscdev handle * * Returns zero on success; non-zero otherwise */ @@ -87,7 +77,6 @@ static int ecryptfs_miscdev_open(struct inode *inode, struct file *file) { struct ecryptfs_daemon *daemon = NULL; - uid_t euid = current_euid(); int rc; mutex_lock(&ecryptfs_daemon_hash_mux); @@ -98,30 +87,20 @@ ecryptfs_miscdev_open(struct inode *inode, struct file *file) "count; rc = [%d]\n", __func__, rc); goto out_unlock_daemon_list; } - rc = ecryptfs_find_daemon_by_euid(&daemon, euid, current_user_ns()); - if (rc || !daemon) { - rc = ecryptfs_spawn_daemon(&daemon, euid, current_user_ns(), - task_pid(current)); - if (rc) { - printk(KERN_ERR "%s: Error attempting to spawn daemon; " - "rc = [%d]\n", __func__, rc); - goto out_module_put_unlock_daemon_list; - } - } - mutex_lock(&daemon->mux); - if (daemon->pid != task_pid(current)) { + rc = ecryptfs_find_daemon_by_euid(&daemon); + if (!rc) { rc = -EINVAL; - printk(KERN_ERR "%s: pid [0x%p] has registered with euid [%d], " - "but pid [0x%p] has attempted to open the handle " - "instead\n", __func__, daemon->pid, daemon->euid, - task_pid(current)); - goto out_unlock_daemon; + goto out_unlock_daemon_list; + } + rc = ecryptfs_spawn_daemon(&daemon, file); + if (rc) { + printk(KERN_ERR "%s: Error attempting to spawn daemon; " + "rc = [%d]\n", __func__, rc); + goto out_module_put_unlock_daemon_list; } + mutex_lock(&daemon->mux); if (daemon->flags & ECRYPTFS_DAEMON_MISCDEV_OPEN) { rc = -EBUSY; - printk(KERN_ERR "%s: Miscellaneous device handle may only be " - "opened once per daemon; pid [0x%p] already has this " - "handle open\n", __func__, daemon->pid); goto out_unlock_daemon; } daemon->flags |= ECRYPTFS_DAEMON_MISCDEV_OPEN; @@ -140,7 +119,7 @@ out_unlock_daemon_list: /** * ecryptfs_miscdev_release * @inode: inode of fs/ecryptfs/euid handle (ignored) - * @file: file for fs/ecryptfs/euid handle (ignored) + * @file: file for fs/ecryptfs/euid handle * * This keeps the daemon registered until the daemon sends another * ioctl to fs/ecryptfs/ctl or until the kernel module unregisters. @@ -150,20 +129,18 @@ out_unlock_daemon_list: static int ecryptfs_miscdev_release(struct inode *inode, struct file *file) { - struct ecryptfs_daemon *daemon = NULL; - uid_t euid = current_euid(); + struct ecryptfs_daemon *daemon = file->private_data; int rc; - mutex_lock(&ecryptfs_daemon_hash_mux); - rc = ecryptfs_find_daemon_by_euid(&daemon, euid, current_user_ns()); - if (rc || !daemon) - daemon = file->private_data; mutex_lock(&daemon->mux); BUG_ON(!(daemon->flags & ECRYPTFS_DAEMON_MISCDEV_OPEN)); daemon->flags &= ~ECRYPTFS_DAEMON_MISCDEV_OPEN; atomic_dec(&ecryptfs_num_miscdev_opens); mutex_unlock(&daemon->mux); + + mutex_lock(&ecryptfs_daemon_hash_mux); rc = ecryptfs_exorcise_daemon(daemon); + mutex_unlock(&ecryptfs_daemon_hash_mux); if (rc) { printk(KERN_CRIT "%s: Fatal error whilst attempting to " "shut down daemon; rc = [%d]. Please report this " @@ -171,7 +148,6 @@ ecryptfs_miscdev_release(struct inode *inode, struct file *file) BUG(); } module_put(THIS_MODULE); - mutex_unlock(&ecryptfs_daemon_hash_mux); return rc; } @@ -248,7 +224,7 @@ int ecryptfs_send_miscdev(char *data, size_t data_size, /** * ecryptfs_miscdev_read - format and send message from queue - * @file: fs/ecryptfs/euid miscdevfs handle (ignored) + * @file: miscdevfs handle * @buf: User buffer into which to copy the next message on the daemon queue * @count: Amount of space available in @buf * @ppos: Offset in file (ignored) @@ -262,43 +238,27 @@ static ssize_t ecryptfs_miscdev_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { - struct ecryptfs_daemon *daemon; + struct ecryptfs_daemon *daemon = file->private_data; struct ecryptfs_msg_ctx *msg_ctx; size_t packet_length_size; char packet_length[ECRYPTFS_MAX_PKT_LEN_SIZE]; size_t i; size_t total_length; - uid_t euid = current_euid(); int rc; - mutex_lock(&ecryptfs_daemon_hash_mux); - /* TODO: Just use file->private_data? */ - rc = ecryptfs_find_daemon_by_euid(&daemon, euid, current_user_ns()); - if (rc || !daemon) { - mutex_unlock(&ecryptfs_daemon_hash_mux); - return -EINVAL; - } mutex_lock(&daemon->mux); - if (task_pid(current) != daemon->pid) { - mutex_unlock(&daemon->mux); - mutex_unlock(&ecryptfs_daemon_hash_mux); - return -EPERM; - } if (daemon->flags & ECRYPTFS_DAEMON_ZOMBIE) { rc = 0; - mutex_unlock(&ecryptfs_daemon_hash_mux); printk(KERN_WARNING "%s: Attempt to read from zombified " "daemon\n", __func__); goto out_unlock_daemon; } if (daemon->flags & ECRYPTFS_DAEMON_IN_READ) { rc = 0; - mutex_unlock(&ecryptfs_daemon_hash_mux); goto out_unlock_daemon; } /* This daemon will not go away so long as this flag is set */ daemon->flags |= ECRYPTFS_DAEMON_IN_READ; - mutex_unlock(&ecryptfs_daemon_hash_mux); check_list: if (list_empty(&daemon->msg_ctx_out_queue)) { mutex_unlock(&daemon->mux); @@ -382,16 +342,12 @@ out_unlock_daemon: * ecryptfs_miscdev_response - miscdevess response to message previously sent to daemon * @data: Bytes comprising struct ecryptfs_message * @data_size: sizeof(struct ecryptfs_message) + data len - * @euid: Effective user id of miscdevess sending the miscdev response - * @user_ns: The namespace in which @euid applies - * @pid: Miscdevess id of miscdevess sending the miscdev response * @seq: Sequence number for miscdev response packet * * Returns zero on success; non-zero otherwise */ -static int ecryptfs_miscdev_response(char *data, size_t data_size, - uid_t euid, struct user_namespace *user_ns, - struct pid *pid, u32 seq) +static int ecryptfs_miscdev_response(struct ecryptfs_daemon *daemon, char *data, + size_t data_size, u32 seq) { struct ecryptfs_message *msg = (struct ecryptfs_message *)data; int rc; @@ -403,7 +359,7 @@ static int ecryptfs_miscdev_response(char *data, size_t data_size, rc = -EINVAL; goto out; } - rc = ecryptfs_process_response(msg, euid, user_ns, pid, seq); + rc = ecryptfs_process_response(daemon, msg, seq); if (rc) printk(KERN_ERR "Error processing response message; rc = [%d]\n", rc); @@ -413,7 +369,7 @@ out: /** * ecryptfs_miscdev_write - handle write to daemon miscdev handle - * @file: File for misc dev handle (ignored) + * @file: File for misc dev handle * @buf: Buffer containing user data * @count: Amount of data in @buf * @ppos: Pointer to offset in file (ignored) @@ -428,7 +384,6 @@ ecryptfs_miscdev_write(struct file *file, const char __user *buf, u32 seq; size_t packet_size, packet_size_length; char *data; - uid_t euid = current_euid(); unsigned char packet_size_peek[ECRYPTFS_MAX_PKT_LEN_SIZE]; ssize_t rc; @@ -488,10 +443,9 @@ memdup: } memcpy(&counter_nbo, &data[PKT_CTR_OFFSET], PKT_CTR_SIZE); seq = be32_to_cpu(counter_nbo); - rc = ecryptfs_miscdev_response( + rc = ecryptfs_miscdev_response(file->private_data, &data[PKT_LEN_OFFSET + packet_size_length], - packet_size, euid, current_user_ns(), - task_pid(current), seq); + packet_size, seq); if (rc) { printk(KERN_WARNING "%s: Failed to deliver miscdev " "response to requesting operation; rc = [%zd]\n", diff --git a/fs/ecryptfs/mmap.c b/fs/ecryptfs/mmap.c index a46b3a8fee1e..bd1d57f98f74 100644 --- a/fs/ecryptfs/mmap.c +++ b/fs/ecryptfs/mmap.c @@ -66,18 +66,6 @@ static int ecryptfs_writepage(struct page *page, struct writeback_control *wbc) { int rc; - /* - * Refuse to write the page out if we are called from reclaim context - * since our writepage() path may potentially allocate memory when - * calling into the lower fs vfs_write() which may in turn invoke - * us again. - */ - if (current->flags & PF_MEMALLOC) { - redirty_page_for_writepage(wbc, page); - rc = 0; - goto out; - } - rc = ecryptfs_encrypt_page(page); if (rc) { ecryptfs_printk(KERN_WARNING, "Error encrypting " @@ -498,7 +486,6 @@ static int ecryptfs_write_end(struct file *file, struct ecryptfs_crypt_stat *crypt_stat = &ecryptfs_inode_to_private(ecryptfs_inode)->crypt_stat; int rc; - int need_unlock_page = 1; ecryptfs_printk(KERN_DEBUG, "Calling fill_zeros_to_end_of_page" "(page w/ index = [0x%.16lx], to = [%d])\n", index, to); @@ -519,26 +506,26 @@ static int ecryptfs_write_end(struct file *file, "zeros in page with index = [0x%.16lx]\n", index); goto out; } - set_page_dirty(page); - unlock_page(page); - need_unlock_page = 0; + rc = ecryptfs_encrypt_page(page); + if (rc) { + ecryptfs_printk(KERN_WARNING, "Error encrypting page (upper " + "index [0x%.16lx])\n", index); + goto out; + } if (pos + copied > i_size_read(ecryptfs_inode)) { i_size_write(ecryptfs_inode, pos + copied); ecryptfs_printk(KERN_DEBUG, "Expanded file size to " "[0x%.16llx]\n", (unsigned long long)i_size_read(ecryptfs_inode)); - balance_dirty_pages_ratelimited(mapping); - rc = ecryptfs_write_inode_size_to_metadata(ecryptfs_inode); - if (rc) { - printk(KERN_ERR "Error writing inode size to metadata; " - "rc = [%d]\n", rc); - goto out; - } } - rc = copied; + rc = ecryptfs_write_inode_size_to_metadata(ecryptfs_inode); + if (rc) + printk(KERN_ERR "Error writing inode size to metadata; " + "rc = [%d]\n", rc); + else + rc = copied; out: - if (need_unlock_page) - unlock_page(page); + unlock_page(page); page_cache_release(page); return rc; } diff --git a/include/linux/olpc-ec.h b/include/linux/olpc-ec.h new file mode 100644 index 000000000000..5bb6e760aa61 --- /dev/null +++ b/include/linux/olpc-ec.h @@ -0,0 +1,41 @@ +#ifndef _LINUX_OLPC_EC_H +#define _LINUX_OLPC_EC_H + +/* XO-1 EC commands */ +#define EC_FIRMWARE_REV 0x08 +#define EC_WRITE_SCI_MASK 0x1b +#define EC_WAKE_UP_WLAN 0x24 +#define EC_WLAN_LEAVE_RESET 0x25 +#define EC_READ_EB_MODE 0x2a +#define EC_SET_SCI_INHIBIT 0x32 +#define EC_SET_SCI_INHIBIT_RELEASE 0x34 +#define EC_WLAN_ENTER_RESET 0x35 +#define EC_WRITE_EXT_SCI_MASK 0x38 +#define EC_SCI_QUERY 0x84 +#define EC_EXT_SCI_QUERY 0x85 + +struct platform_device; + +struct olpc_ec_driver { + int (*probe)(struct platform_device *); + int (*suspend)(struct platform_device *); + int (*resume)(struct platform_device *); + + int (*ec_cmd)(u8, u8 *, size_t, u8 *, size_t, void *); +}; + +#ifdef CONFIG_OLPC + +extern void olpc_ec_driver_register(struct olpc_ec_driver *drv, void *arg); + +extern int olpc_ec_cmd(u8 cmd, u8 *inbuf, size_t inlen, u8 *outbuf, + size_t outlen); + +#else + +static inline int olpc_ec_cmd(u8 cmd, u8 *inbuf, size_t inlen, u8 *outbuf, + size_t outlen) { return -ENODEV; } + +#endif /* CONFIG_OLPC */ + +#endif /* _LINUX_OLPC_EC_H */ diff --git a/include/linux/shdma-base.h b/include/linux/shdma-base.h index 93f9821554b6..a3728bf66f0e 100644 --- a/include/linux/shdma-base.h +++ b/include/linux/shdma-base.h @@ -50,6 +50,7 @@ struct shdma_desc { struct list_head node; struct dma_async_tx_descriptor async_tx; enum dma_transfer_direction direction; + size_t partial; dma_cookie_t cookie; int chunks; int mark; @@ -98,6 +99,7 @@ struct shdma_ops { void (*start_xfer)(struct shdma_chan *, struct shdma_desc *); struct shdma_desc *(*embedded_desc)(void *, int); bool (*chan_irq)(struct shdma_chan *, int); + size_t (*get_partial)(struct shdma_chan *, struct shdma_desc *); }; struct shdma_dev { diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 889532b8e6c1..009ac285fea7 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -4511,7 +4511,7 @@ void __paginginit free_area_init_node(int nid, unsigned long *zones_size, pg_data_t *pgdat = NODE_DATA(nid); /* pg_data_t should be reset to zero when it's allocated */ - WARN_ON(pgdat->nr_zones || pgdat->node_start_pfn || pgdat->classzone_idx); + WARN_ON(pgdat->nr_zones || pgdat->classzone_idx); pgdat->node_id = nid; pgdat->node_start_pfn = node_start_pfn; diff --git a/net/ceph/crypto.c b/net/ceph/crypto.c index b780cb7947dd..9da7fdd3cd8a 100644 --- a/net/ceph/crypto.c +++ b/net/ceph/crypto.c @@ -466,6 +466,7 @@ void ceph_key_destroy(struct key *key) { struct ceph_crypto_key *ckey = key->payload.data; ceph_crypto_key_destroy(ckey); + kfree(ckey); } struct key_type key_type_ceph = { diff --git a/net/ceph/crypto.h b/net/ceph/crypto.h index 1919d1550d75..3572dc518bc9 100644 --- a/net/ceph/crypto.h +++ b/net/ceph/crypto.h @@ -16,7 +16,8 @@ struct ceph_crypto_key { static inline void ceph_crypto_key_destroy(struct ceph_crypto_key *key) { - kfree(key->key); + if (key) + kfree(key->key); } extern int ceph_crypto_key_clone(struct ceph_crypto_key *dst, |