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2014-09-18ARM: dts: Add support for Ethernet on some N900 macro boardsTony Lindgren2-0/+45
As we have support for this in board-rx51-peripherals.c, let's add it to the .dts files too. Note that the reset GPIO will eventually go to the driver. For now let's just pull it down and skip any further reset in case the bootloader has configured the MAC address so NFSroot works. Also note that after 3430-sdp are using proper GPMC timings we can remove the tests for smsc,lan91c94 in gpmc.c. Signed-off-by: Tony Lindgren <[email protected]>
2014-09-18ARM: dts: Do not set pulls for I2C linesTony Lindgren1-6/+6
There are external pulls on these lines and enabling the internal pulls can cause issue. This is because the internal pulls are parallel with the external pulls. So let's clear the internal I2C pulls. Signed-off-by: Tony Lindgren <[email protected]>
2014-09-18ARM: dts: omap: Remove WAKEUPENABLE mux options for UARTsTony Lindgren1-2/+2
This is no longer needed as the device specific wake-up event can now be specified with interrupts-extended property where the second interrupt is the pinctrl-single register, such as the UART3 RX pin. Note that twl4030_omap3.dtsi needs to set WAKEUPENABLE for off-idle to properly trigger the PMIC scripts. And GPIO pins still need to set WAKEUPENABLE for wake-up events. Signed-off-by: Tony Lindgren <[email protected]>
2014-09-18ARM: dts: omap3-overo: Fix UART wake-up eventsTony Lindgren1-2/+3
Compared to legacy booting, we don't have wake-up events enabled for device tree based booting. This means that if deeper idle states are enabled, the device won't wake up to UART events and seems like it has hung. Let's fix that by adding the wake-up interrupt. Note that we don't need to set the PIN_OFF_WAKEUPENABLE any longer, that's handled by the wake-up interrupt when the serial driver does request_irq on it. Tested with the following on omap3-overo-summit that has the ES2.1 omap: #!/bin/bash uarts=$(find /sys/class/tty/ttyO*/device/power/ -type d) for uart in $uarts; do echo 3000 > $uart/autosuspend_delay_ms done uarts=$(find /sys/class/tty/ttyO*/power/ -type d) for uart in $uarts; do echo enabled > $uart/wakeup echo auto > $uart/control done echo 1 > /sys/kernel/debug/pm_debug/enable_off_mode # grep -i uart /proc/interrupts 90: 1085 INTC 74 OMAP UART2 338: 5 pinctrl 366 OMAP UART2 # grep ^core_pwrdm /sys/kernel/debug/pm_debug/count core_pwrdm (ON),OFF:1654,RET:131,INA:39,ON:1825... Signed-off-by: Tony Lindgren <[email protected]>
2014-09-11ARM: dts: OMAP2+: Add sub mailboxes device node informationSuman Anna7-0/+40
The sub-mailbox devices are added to the Mailbox DT nodes on OMAP2420, OMAP2430, OMAP3, AM33xx, AM43xx, OMAP4 and OMAP5 family of SoCs. This data represents the same mailboxes that used to be represented in hwmod attribute data previously. The node name is chosen based on the .name field of omap_mbox_dev_info structure used in the hwmod data. Cc: "Benoît Cousson" <[email protected]> Cc: Rob Herring <[email protected]> Cc: Pawel Moll <[email protected]> Cc: Mark Rutland <[email protected]> Cc: Ian Campbell <[email protected]> Cc: Kumar Gala <[email protected]> Signed-off-by: Suman Anna <[email protected]> Signed-off-by: Tony Lindgren <[email protected]>
2014-09-09Merge branch 'pull/v3.18/for-dt-pinctrl-updates' of ↵Tony Lindgren4-20/+30
https://github.com/nmenon/linux-2.6-playground into omap-for-v3.18/dt
2014-09-09ARM: dts: dra7-evm: Mark uart1 rxd as wakeup capableNishanth Menon1-0/+2
Mark rxd as wakeupcapable for 115200n8 no hardware-flow control configuration. If h/w flow control is being used, then rts/cts appropriately should be used. Signed-off-by: Nishanth Menon <[email protected]>
2014-09-09ARM: dts: OMAP5 / DRA7: switch over to interrupts-extended property for UARTNishanth Menon2-16/+16
We've had deeper idle states working on omaps for few years now, but only in the legacy mode. When booted with device tree, the wake-up events did not have a chance to work until commit 3e6cee1786a1 ("pinctrl: single: Add support for wake-up interrupts") that recently got merged. In addition to that we also needed commit 79d9701559a9 ("of/irq: create interrupts-extended property") that's now also merged. Note that there's no longer need to specify the wake-up bit in the pinctrl settings, the request_irq on the wake-up pin takes care of that. Signed-off-by: Nishanth Menon <[email protected]>
2014-09-09ARM: dts: AM437x: switch to compatible pinctrlNishanth Menon1-1/+3
Now that ti,am437-padconf is available, switch over to that compatible property. Retain pinctrl-single for legacy support. While at it, mark the pinctrl as interrupt controller so that it can be used with interrupts-extended property for wakeup events. Signed-off-by: Nishanth Menon <[email protected]>
2014-09-09ARM: dts: DRA7: switch to compatible pinctrlNishanth Menon1-1/+3
Now that ti,dra7-padconf is available, switch over to that compatible property. Retain pinctrl-single for legacy support. While at it, mark pinctrl as interrupt controller so that it can be used with interrupts-extended property for wakeup events. Signed-off-by: Nishanth Menon <[email protected]>
2014-09-09ARM: dts: OMAP5: switch to compatible pinctrlNishanth Menon1-2/+6
Now that ti,omap5-padconf is available, switch over to that compatible property. Retain pinctrl-single for legacy support. While at it, mark pinctrl as interrupt controller so that it can be used with interrupts-extended property for wakeup events. Signed-off-by: Nishanth Menon <[email protected]>
2014-09-08ARM: dts: am335x-boneblack: Add names for remaining regulatorsMark Brown1-0/+5
Add regulator-name properties for the regulators that don't have them, allowing the kernel to display the name from the schematic rather than the name of the regulator on the PMIC in order to improve diagnostics. Signed-off-by: Mark Brown <[email protected]> Signed-off-by: Tony Lindgren <[email protected]>
2014-09-08ARM: dts: sbc-t54: fix model propertyDmitry Lifshitz1-2/+2
CM-T54 CoM can be used with various custom baseboards, other than SB-T54 (supplied with SBC-T54 single board computer). Update model property of SBC-T54 DT to clarify this. Signed-off-by: Dmitry Lifshitz <[email protected]> Signed-off-by: Tony Lindgren <[email protected]>
2014-09-08ARM: dts: omap5.dtsi: add DSS RFBI nodeTomi Valkeinen1-0/+9
The RFBI node for OMAP DSS was left out when adding the rest of the DSS nodes, because it was not clear how to set up the clocks for the RFBI. However, it seems that if there is a HWMOD for a device, we also need a DT node for it. Otherwise, at boot, we get: WARNING: CPU: 0 PID: 1 at arch/arm/mach-omap2/omap_hwmod.c:2542 _init+0x464/0x4e0() omap_hwmod: dss_rfbi: doesn't have mpu register target base Now that v3.17-rc3 contains a fix 8fd46439e1f5 ("ARM: dts: omap54xx-clocks: Fix the l3 and l4 clock rates") for the L3 ICLK required by the RFBI, let's add the RFBI node to get rid of the warning. Signed-off-by: Tomi Valkeinen <[email protected]> [[email protected]: updated description per comments from Nishant] Signed-off-by: Tony Lindgren <[email protected]>
2014-09-08ARM: dts: omap3: Add HEAD acoustics omap3-ha.dts and omap3-ha-lcd.dts ↵Stefan Roese4-0/+283
(TAO3530 based) These baseboards are equipped with the Technexion TAO35030 SOM. So they include this dtsi. The common parts are extracted into an "common" dtsi file. The main difference between both boards is, that the *lcd has DSS support enabled for the LCD. Some HEAD acoustics specific features are: - LED handling - Special FPGA/DSP audio driver (not included in this series) - powerdown GPIO Signed-off-by: Stefan Roese <[email protected]> Cc: Thorsten Eisbein <[email protected]> Cc: Tapani Utriainen <[email protected]> Cc: Tony Lindgren <[email protected]> Signed-off-by: Tony Lindgren <[email protected]>
2014-09-08ARM: dts: omap3: Add Technexion Thunder support (TAO3530 SOM based)Stefan Roese2-0/+130
This baseboard is equipped with the Technexion TAO35030 SOM. So includes this dtsi. Some Thunder specific features are: - LCD panel Signed-off-by: Stefan Roese <[email protected]> Cc: Thorsten Eisbein <[email protected]> Cc: Tapani Utriainen <[email protected]> Cc: Tony Lindgren <[email protected]> Signed-off-by: Tony Lindgren <[email protected]>
2014-09-08ARM: dts: omap3: Add Technexion TAO3530 SOM omap3-tao3530.dtsiStefan Roese1-0/+337
The Technexion TAO3530 is a OMAP3530 based SOM. This patch adds the basic support for it as an dtsi file which can be included by baseboard equipped with this SOM. E.g. the Technexion Thunder baseboard. Signed-off-by: Stefan Roese <[email protected]> Cc: Thorsten Eisbein <[email protected]> Cc: Tapani Utriainen <[email protected]> Cc: Tony Lindgren <[email protected]> Signed-off-by: Tony Lindgren <[email protected]>
2014-09-08ARM: OMAP2+: tao3530: Add pdata-quirk for the mmc2 internal clockStefan Roese1-0/+6
Set internal clock source for MMC2 on tao3530. Signed-off-by: Stefan Roese <[email protected]> Cc: Thorsten Eisbein <[email protected]> Cc: Tapani Utriainen <[email protected]> Cc: Tony Lindgren <[email protected]> Signed-off-by: Tony Lindgren <[email protected]>
2014-09-08ARM: OMAP2+: board-generic: add support for AM57xx familyNishanth Menon2-0/+16
AM57xx processor family are variants of DRA7 family of processors and targetted at industrial and non-automotive applications. Signed-off-by: Nishanth Menon <[email protected]> Signed-off-by: Tony Lindgren <[email protected]>
2014-09-08ARM: dts: dra72-evm: Add tps65917 PMIC nodeKeerthy J1-0/+104
DRA72x-evm uses TPS65917 PMIC. Add the node. NOTE: LDO2 is actually unused, but the usage if any is expected to be between 1.8 to 3.3v IO voltage. So define the node. NOTE: Interrupt used is crossbar number based. Tested-by: Lokesh Vutla <[email protected]> Signed-off-by: Nishanth Menon <[email protected]> Signed-off-by: Keerthy <[email protected]> Tested-by: Nishanth Menon <[email protected]> Signed-off-by: Tony Lindgren <[email protected]>
2014-09-08ARM: dts: dra72-evm: Enable I2C1 nodeKeerthy J1-0/+16
I2C1 bus is used for the following peripherals P8 connector (MLB) TLV320AIC3106 Audio codec J15 LCD header 24WC256 eeprom TMP102AIDRLT temperature sensor PCF8575 GPIO expander PCA9306 i2c voltage translator -> Goes to P9 for comm interface P2 expansion connector TPS65917 PMIC The slowest speed of all the peripherals seems to be 400KHz. Tested-by: Lokesh Vutla <[email protected]> Signed-off-by: Nishanth Menon <[email protected]> Signed-off-by: Keerthy <[email protected]> Tested-by: Nishanth Menon <[email protected]> Signed-off-by: Tony Lindgren <[email protected]>
2014-09-03Merge branch 'omap-for-v3.17/dt' into omap-for-v3.18/dtTony Lindgren5-6/+226
Merge the gta04 related changes that were too late for v3.17
2014-08-31Linux 3.17-rc3Linus Torvalds1-1/+1
2014-08-31Merge tag 'xtensa-20140830' of git://github.com/czankel/xtensa-linuxLinus Torvalds24-217/+497
Pull Xtensa updates from Chris Zankel: "Xtensa improvements for 3.17: - support highmem on cores with aliasing data cache. Enable highmem on kc705 by default - simplify addition of new core variants (no need to modify Kconfig / Makefiles) - improve robustness of unaligned access handler and its interaction with window overflow/underflow exception handlers - deprecate atomic and spill registers syscalls - clean up Kconfig: remove orphan MATH_EMULATION, sort 'select' statements - wire up renameat2 syscall. Various fixes: - fix address checks in dma_{alloc,free}_coherent (runtime BUG) - fix access to THREAD_RA/THREAD_SP/THREAD_DS (debug build breakage) - fix TLBTEMP_BASE_2 region handling in fast_second_level_miss (runtime unrecoverable exception) - fix a6 and a7 handling in fast_syscall_xtensa (runtime userspace register clobbering) - fix kernel/user jump out of fast_unaligned (potential runtime unrecoverabl exception) - replace termios IOCTL code definitions with constants (userspace build breakage)" * tag 'xtensa-20140830' of git://github.com/czankel/xtensa-linux: (25 commits) xtensa: deprecate fast_xtensa and fast_spill_registers syscalls xtensa: don't allow overflow/underflow on unaligned stack xtensa: fix a6 and a7 handling in fast_syscall_xtensa xtensa: allow single-stepping through unaligned load/store xtensa: move invalid unaligned instruction handler closer to its users xtensa: make fast_unaligned store restartable xtensa: add double exception fixup handler for fast_unaligned xtensa: fix kernel/user jump out of fast_unaligned xtensa: configure kc705 for highmem xtensa: support highmem in aliasing cache flushing code xtensa: support aliasing cache in kmap xtensa: support aliasing cache in k[un]map_atomic xtensa: implement clear_user_highpage and copy_user_highpage xtensa: fix TLBTEMP_BASE_2 region handling in fast_second_level_miss xtensa: allow fixmap and kmap span more than one page table xtensa: make fixmap region addressing grow with index xtensa: fix access to THREAD_RA/THREAD_SP/THREAD_DS xtensa: add renameat2 syscall xtensa: fix address checks in dma_{alloc,free}_coherent xtensa: replace IOCTL code definitions with constants ...
2014-08-31unicore32: Fix build errorGuenter Roeck1-4/+5
unicore32 builds fail with arch/unicore32/kernel/signal.c: In function ‘setup_frame’: arch/unicore32/kernel/signal.c:257: error: ‘usig’ undeclared (first use in this function) arch/unicore32/kernel/signal.c:279: error: ‘usig’ undeclared (first use in this function) arch/unicore32/kernel/signal.c: In function ‘handle_signal’: arch/unicore32/kernel/signal.c:306: warning: unused variable ‘tsk’ arch/unicore32/kernel/signal.c: In function ‘do_signal’: arch/unicore32/kernel/signal.c:376: error: implicit declaration of function ‘get_signsl’ make[1]: *** [arch/unicore32/kernel/signal.o] Error 1 make: *** [arch/unicore32/kernel/signal.o] Error 2 Bisect points to commit 649671c90eaf ("unicore32: Use get_signal() signal_setup_done()"). This code never even compiled. Reverting the patch does not work, since previously used functions no longer exist, so try to fix it up. Compile tested only. Fixes: 649671c90eaf ("unicore32: Use get_signal() signal_setup_done()") Cc: Richard Weinberger <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2014-08-31Merge branch 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-armLinus Torvalds10-39/+37
Pull ARM fixes from Russell King: "Various assorted fixes: - a couple of patches from Mark Rutland to resolve an errata with Cortex-A15 CPUs. - fix cpuidle for the CPU part ID changes in the last merge window - add support for a relocation which ARM binutils is generating in some circumstances" * 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm: ARM: 8130/1: cpuidle/cpuidle-big_little: fix reading cpu id part number ARM: 8129/1: errata: work around Cortex-A15 erratum 830321 using dummy strex ARM: 8128/1: abort: don't clear the exclusive monitors ARM: 8127/1: module: add support for R_ARM_TARGET1 relocations
2014-08-31Merge tag 'fixes-for-linus' of ↵Linus Torvalds29-464/+133
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC fixes from Olof Johansson: "Here's the weekly batch of fixes from arm-soc. The delta is a largeish negative delta, due to revert of SMP support for Broadcom's STB SoC -- it was accidentally merged before some issues had been addressed, so they will make a new attempt for 3.18. I didn't see a need for a full revert of the whole platform due to this, we're keeping the rest enabled. The rest is mostly: - a handful of DT fixes for i.MX (Hummingboard/Cubox-i in particular) - some MTD/NAND fixes for OMAP - minor DT fixes for shmobile - warning fix for UP builds on vexpress/spc There's also a couple of patches that wires up hwmod on TI's DRA7 SoC so it can boot. Drivers and the rest had landed for 3.17, and it's small and isolated so it made sense to pick up now even if it's not a bugfix" * tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (23 commits) vexpress/spc: fix a build warning on array bounds ARM: DRA7: hwmod: Add dra74x and dra72x specific ocp interface lists ARM: DRA7: Add support for soc_is_dra74x() and soc_is_dra72x() variants MAINTAINERS: catch special Rockchip code locations ARM: dts: microsom-ar8035: MDIO pad must be set open drain ARM: dts: omap54xx-clocks: Fix the l3 and l4 clock rates ARM: brcmstb: revert SMP support ARM: OMAP2+: hwmod: Rearm wake-up interrupts for DT when MUSB is idled ARM: dts: Enable UART wake-up events for beagleboard ARM: dts: Remove twl6030 clk32g "regulator" ARM: OMAP2+: omap_device: remove warning that clk alias already exists ARM: OMAP: fix %d confusingly prefixed with 0x in format string ARM: dts: DRA7: fix interrupt-cells for GPIO mtd: nand: omap: Fix 1-bit Hamming code scheme, omap_calculate_ecc() ARM: dts: omap3430-sdp: Revert to using software ECC for NAND ARM: OMAP2+: GPMC: Support Software ECC scheme via DT mtd: nand: omap: Revert to using software ECC by default ARM: dts: hummingboard/cubox-i: change SPDIF output to be more descriptive ARM: dts: hummingboard/cubox-i: add USB OC pinctrl configuration ARM: shmobile: r8a7791: add missing 0x0100 for SDCKCR ...
2014-08-31vexpress/spc: fix a build warning on array boundsAlex Shi1-3/+11
With ARCH_VEXPRESS_SPC option, kernel build has the following warning: arch/arm/mach-vexpress/spc.c: In function ‘ve_spc_clk_init’: arch/arm/mach-vexpress/spc.c:431:38: warning: array subscript is below array bounds [-Warray-bounds] struct ve_spc_opp *opps = info->opps[cluster]; ^ since 'cluster' maybe '-1' in UP system. This patch does a active checking to fix this issue. Signed-off-by: Alex Shi <[email protected]> Acked-by: Pawel Moll <[email protected]> Acked-by: Sudeep Holla <[email protected]> Signed-off-by: Olof Johansson <[email protected]>
2014-08-31Merge tag 'for-v3.17-rc/omap-dra72x-d74x-support-a' of ↵Olof Johansson3-2/+29
git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into fixes Pull "ARM: OMAP2+: DRA72x/DRA74x basic support" from Tony Lindgren: Add basic subarchitecture support for the DRA72x and DRA74x. These are OMAP2+ derivative SoCs. This should be low-risk to existing OMAP platforms. Basic build, boot, and PM test logs are available here: http://www.pwsan.com/omap/testlogs/hwmod-a-early-v3.17-rc/20140827194314/ * tag 'for-v3.17-rc/omap-dra72x-d74x-support-a' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending: ARM: DRA7: hwmod: Add dra74x and dra72x specific ocp interface lists ARM: DRA7: Add support for soc_is_dra74x() and soc_is_dra72x() variants Signed-off-by: Olof Johansson <[email protected]>
2014-08-31Merge tag 'spi-v3.17-rc3-2' of ↵Linus Torvalds11-82/+121
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi Pull spi bugfixes from Mark Brown: "A smattering of bug fixes for the SPI subsystem, all in driver code which has seen active work recently and none of them with any great global impact. There's also a new ACPI ID for the pxa2xx driver which required no code changes and the addition of kerneldoc for some structure fields that were missing it and generating warnings during documentation builds as a result" * tag 'spi-v3.17-rc3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: spi: sh-msiof: Fix transmit-only DMA transfers spi/rockchip: Avoid accidentally turning off the clock spi: dw: fix kernel crash due to NULL pointer dereference spi: dw-pci: fix bug when regs left uninitialized spi: davinci: fix SPI_NO_CS functionality spi/rockchip: fixup incorrect dma direction setting spi/pxa2xx: Add ACPI ID for Intel Braswell spi: spi-au1550: fix build failure spi: rspi: Fix leaking of unused DMA descriptors spi: sh-msiof: Fix leaking of unused DMA descriptors spi: Add missing kerneldoc bits spi/omap-mcspi: Fix the spi task hangs waiting dma_rx
2014-08-31Merge remote-tracking branch 'spi/fix/sh-msiof' into spi-linusMark Brown1-2/+2
2014-08-31Merge tag 'spi-v3.17-rc3' into spi-linusMark Brown11-82/+121
spi: Bug fixes for v3.17 A smattering of bug fixes for the SPI subsystem, all in driver code which has seen active work recently and none of them with any great global impact. There's also a new ACPI ID for the pxa2xx driver which required no code changes and the addition of kerneldoc for some structure fields that were missing it and generating warnings during documentation builds as a result. # gpg: Signature made Sun 31 Aug 2014 13:19:12 BST using RSA key ID 7EA229BD # gpg: Good signature from "Mark Brown <[email protected]>" # gpg: aka "Mark Brown <[email protected]>" # gpg: aka "Mark Brown <[email protected]>" # gpg: aka "Mark Brown <[email protected]>" # gpg: aka "Mark Brown <[email protected]>" # gpg: aka "Mark Brown <[email protected]>"
2014-08-31spi: sh-msiof: Fix transmit-only DMA transfersGeert Uytterhoeven1-2/+2
Fix tx/rx mixup, which broke transmit-only transfers. Introduced by commit 4240305f7cbdc7782aa8bc40cc702775d9ac0839 ("spi: sh-msiof: Fix leaking of unused DMA descriptors"). Reported-by: Laurent Pinchart <[email protected]> Signed-off-by: Geert Uytterhoeven <[email protected]> Acked-by: Laurent Pinchart <[email protected]> Signed-off-by: Mark Brown <[email protected]>
2014-08-30Merge tag 'locks-v3.17-3' of git://git.samba.org/jlayton/linuxLinus Torvalds1-1/+1
Pull file locking bugfx from Jeff Layton: "Just a bugfix for a bug that crept in to v3.15. It's in a rather rare error path, and I'm not aware of anyone having hit it, but it's worth fixing for v3.17" * tag 'locks-v3.17-3' of git://git.samba.org/jlayton/linux: locks: pass correct "before" pointer to locks_unlink_lock in generic_add_lease
2014-08-30Merge remote-tracking branches 'spi/fix/au1550', 'spi/fix/davinci', ↵Mark Brown10-49/+83
'spi/fix/doc', 'spi/fix/dw', 'spi/fix/omap-mcspi', 'spi/fix/pxa2xx', 'spi/fix/rockchip' and 'spi/fix/rspi' into spi-linus
2014-08-30Merge remote-tracking branch 'spi/fix/sh-msiof' into spi-linusMark Brown1-33/+38
2014-08-29Merge branch 'x86-urgent-for-linus' of ↵Linus Torvalds7-4/+37
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fixes from Peter Anvin: "One patch to avoid assigning interrupts we don't actually have on non-PC platforms, and two patches that addresses bugs in the new IOAPIC assignment code" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86, irq, PCI: Keep IRQ assignment for runtime power management x86: irq: Fix bug in setting IOAPIC pin attributes x86: Fix non-PC platform kernel crash on boot due to NULL dereference
2014-08-29Merge tag 'pm+acpi-3.17-rc3' of ↵Linus Torvalds5-11/+49
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull ACPI and power management fixes from Rafael Wysocki: - Fix for an ACPI regression related to the handling of fixed events that caused netlink routines to be (incorrectly) run in interrupt context from Lan Tianyu - Fix for an ACPI EC driver regression on Acer Aspire V5-573G that caused AC/battery plug/unplug and video brightness change notifications to be delayed on that machine from Lv Zheng - Fix for an ACPI device enumeration regression that caused ACPI driver probe to fail for some devices where it succeeded before (Rafael J Wysocki) - intel_pstate driver fix to prevent it from printing an information message for every CPU in the system on every boot from Andi Kleen - s5pv210 cpufreq driver fix to remove an __init annotation from a routine that in fact can be called at any time after init too from Mark Brown - New Intel Braswell device ID for the ACPI LPSS (Low-Power Subsystem) driver from Alan Cox - New Intel Braswell CPU ID for intel_pstate from Mika Westerberg * tag 'pm+acpi-3.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: cpufreq: s5pv210: Remove spurious __init annotation cpufreq: intel_pstate: Add CPU ID for Braswell processor intel_pstate: Turn per cpu printk into pr_debug ACPI / LPSS: Add ACPI IDs for Intel Braswell ACPI / EC: Add support to disallow QR_EC to be issued before completing previous QR_EC ACPI / EC: Add support to disallow QR_EC to be issued when SCI_EVT isn't set ACPI: Run fixed event device notifications in process context ACPI / scan: Allow ACPI drivers to bind to PNP device objects
2014-08-29Merge branch 'akpm' (fixes from Andrew Morton)Linus Torvalds44-177/+238
Merge patches from Andrew Morton: "22 fixes" * emailed patches from Andrew Morton <[email protected]>: (22 commits) kexec: purgatory: add clean-up for purgatory directory Documentation/kdump/kdump.txt: add ARM description flush_icache_range: export symbol to fix build errors tools: selftests: fix build issue with make kselftests target ocfs2: quorum: add a log for node not fenced ocfs2: o2net: set tcp user timeout to max value ocfs2: o2net: don't shutdown connection when idle timeout ocfs2: do not write error flag to user structure we cannot copy from/to x86/purgatory: use approprate -m64/-32 build flag for arch/x86/purgatory drivers/rtc/rtc-s5m.c: re-add support for devices without irq specified xattr: fix check for simultaneous glibc header inclusion kexec: remove CONFIG_KEXEC dependency on crypto kexec: create a new config option CONFIG_KEXEC_FILE for new syscall x86,mm: fix pte_special versus pte_numa hugetlb_cgroup: use lockdep_assert_held rather than spin_is_locked mm/zpool: use prefixed module loading zram: fix incorrect stat with failed_reads lib: turn CONFIG_STACKTRACE into an actual option. mm: actually clear pmd_numa before invalidating memblock, memhotplug: fix wrong type in memblock_find_in_range_node(). ...
2014-08-29kexec: purgatory: add clean-up for purgatory directoryMichael Welling1-0/+1
Without this patch the kexec-purgatory.c and purgatory.ro files are not removed after make mrproper. Signed-off-by: Michael Welling <[email protected]> Acked-by: Vivek Goyal <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: "H. Peter Anvin" <[email protected]> Cc: Thomas Gleixner <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2014-08-29Documentation/kdump/kdump.txt: add ARM descriptionHuKeping1-3/+33
Add arm specific parts to kdump kernel documentation. Signed-off-by: Hu Keping <[email protected]> Acked-by: Vivek Goyal <[email protected]> Cc: Haren Myneni <[email protected]> Cc: Rob Landley <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2014-08-29flush_icache_range: export symbol to fix build errorsPranith Kumar5-0/+5
Fix building errors occuring due to a missing export of flush_icache_range() in kisskb.ellerman.id.au/kisskb/buildresult/11677809/ ERROR: "flush_icache_range" [drivers/misc/lkdtm.ko] undefined! Signed-off-by: Pranith Kumar <[email protected]> Reported-by: Geert Uytterhoeven <[email protected]> Acked-by: Vineet Gupta <[email protected]> [arc] Acked-by: Richard Kuo <[email protected]> [hexagon] Cc: Chris Metcalf <[email protected]> Cc: Chris Zankel <[email protected]> Acked-by: Max Filippov <[email protected]> [xtensa] Cc: Noam Camus <[email protected]> Cc: Masami Hiramatsu <[email protected]> Acked-by: Zhigang Lu <[email protected]> [tile] Cc: Kirill Tkhai <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2014-08-29tools: selftests: fix build issue with make kselftests targetPhong Tran3-11/+11
Fix the typo of ARCH when running 'make kselftests'. Change the 'X86' to 'x86'. Test by compilation. Signed-off-by: Phong Tran <[email protected]> Cc: David Herrmann <[email protected]> Cc: Hugh Dickins <[email protected]> Cc: Shuah Khan <[email protected]> Cc: Sam Ravnborg <[email protected]> Cc: Michal Marek <[email protected]> Cc: Shuah Khan <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2014-08-29ocfs2: quorum: add a log for node not fencedJunxiao Bi1-2/+11
For debug use, we can see from the log whether the fence decision is made and why it is not fenced. Signed-off-by: Junxiao Bi <[email protected]> Reviewed-by: Srinivas Eeda <[email protected]> Reviewed-by: Mark Fasheh <[email protected]> Cc: Joel Becker <[email protected]> Cc: Joseph Qi <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2014-08-29ocfs2: o2net: set tcp user timeout to max valueJunxiao Bi2-0/+21
When tcp retransmit timeout(15mins), the connection will be closed. Pending messages may be lost during this time. So we set tcp user timeout to override the retransmit timeout to the max value. This is OK for ocfs2 since we have disk heartbeat, if peer crash, the disk heartbeat will timeout and it will be evicted, if disk heartbeat not timeout and connection idle for a long time, then this means the cluster enters split-brain state, since fence can't happen, we'd better keep the connection and wait network recover. Signed-off-by: Junxiao Bi <[email protected]> Reviewed-by: Srinivas Eeda <[email protected]> Reviewed-by: Mark Fasheh <[email protected]> Cc: Joel Becker <[email protected]> Cc: Joseph Qi <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2014-08-29ocfs2: o2net: don't shutdown connection when idle timeoutJunxiao Bi1-6/+19
This patch series is to fix a possible message lost bug in ocfs2 when network go bad. This bug will cause ocfs2 hung forever even network become good again. The messages may lost in this case. After the tcp connection is established between two nodes, an idle timer will be set to check its state periodically, if no messages are received during this time, idle timer will timeout, it will shutdown the connection and try to reconnect, so pending messages in tcp queues will be lost. This messages may be from dlm. Dlm may get hung in this case. This may cause the whole ocfs2 cluster hung. This is very possible to happen when network state goes bad. Do the reconnect is useless, it will fail if network state is still bad. Just waiting there for network recovering may be a good idea, it will not lost messages and some node will be fenced until cluster goes into split-brain state, for this case, Tcp user timeout is used to override the tcp retransmit timeout. It will timeout after 25 days, user should have notice this through the provided log and fix the network, if they don't, ocfs2 will fall back to original reconnect way. This patch (of 3): Some messages in the tcp queue maybe lost if we shutdown the connection and reconnect when idle timeout. If packets lost and reconnect success, then the ocfs2 cluster maybe hung. To fix this, we can leave the connection there and do the fence decision when idle timeout, if network recover before fence dicision is made, the connection survive without lost any messages. This bug can be saw when network state go bad. It may cause ocfs2 hung forever if some packets lost. With this fix, ocfs2 will recover from hung if network becomes good again. Signed-off-by: Junxiao Bi <[email protected]> Reviewed-by: Srinivas Eeda <[email protected]> Reviewed-by: Mark Fasheh <[email protected]> Cc: Joel Becker <[email protected]> Cc: Joseph Qi <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2014-08-29ocfs2: do not write error flag to user structure we cannot copy from/toBen Hutchings1-86/+43
If we failed to copy from the structure, writing back the flags leaks 31 bits of kernel memory (the rest of the ir_flags field). In any case, if we cannot copy from/to the structure, why should we expect putting just the flags to work? Also make sure ocfs2_info_handle_freeinode() returns the right error code if the copy_to_user() fails. Fixes: ddee5cdb70e6 ('Ocfs2: Add new OCFS2_IOC_INFO ioctl for ocfs2 v8.') Signed-off-by: Ben Hutchings <[email protected]> Cc: Joel Becker <[email protected]> Acked-by: Mark Fasheh <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2014-08-29x86/purgatory: use approprate -m64/-32 build flag for arch/x86/purgatoryVivek Goyal1-0/+1
Thomas reported that build of x86_64 kernel was failing for him. He is using 32bit tool chain. Problem is that while compiling purgatory, I have not specified -m64 flag. And 32bit tool chain must be assuming -m32 by default. Following is error message. (mini) [~/work/linux-2.6] make scripts/kconfig/conf --silentoldconfig Kconfig CHK include/config/kernel.release UPD include/config/kernel.release CHK include/generated/uapi/linux/version.h CHK include/generated/utsrelease.h UPD include/generated/utsrelease.h CC arch/x86/purgatory/purgatory.o arch/x86/purgatory/purgatory.c:1:0: error: code model 'large' not supported in the 32 bit mode Fix it by explicitly passing appropriate -m64/-m32 build flag for purgatory. Reported-by: Thomas Glanzmann <[email protected]> Tested-by: Thomas Glanzmann <[email protected]> Suggested-by: H. Peter Anvin <[email protected]> Signed-off-by: Vivek Goyal <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2014-08-29drivers/rtc/rtc-s5m.c: re-add support for devices without irq specifiedBartlomiej Zolnierkiewicz1-7/+14
The rtc-s5m driver used to support devices without irq specified in the past. Re-add this support. The patch fixes boot for Insignal's Exynos4412 based Origen board. Error messages before the patch: ... Unable to handle kernel NULL pointer dereference at virtual address 00000094 pgd = c0004000 [00000094] *pgd=00000000 Internal error: Oops: 5 [#1] PREEMPT SMP ARM Modules linked in: CPU: 1 PID: 1 Comm: swapper/0 Not tainted 3.16.0-next-20140804-00008-ga59480f-dirty #701 task: ea80f000 ti: ea882000 task.ti: ea882000 PC is at regmap_irq_get_virq+0x0/0x28 LR is at s5m_rtc_probe+0xdc/0x310 pc : [<c02574fc>] lr : [<c02de75c>] psr: 80000153 sp : ea883e48 ip : 00000000 fp : 00000000 r10: 0000000c r9 : c05de7ac r8 : eaabc600 r7 : eaa6b4d0 r6 : c0439e8c r5 : eaabc610 r4 : eab30e50 r3 : 00000000 r2 : 00000000 r1 : 0000000c r0 : 00000000 Flags: Nzcv IRQs on FIQs off Mode SVC_32 ISA ARM Segment kernel Control: 10c5387d Table: 4000404a DAC: 00000015 Process swapper/0 (pid: 1, stack limit = 0xea882240) Backtrace: regmap_irq_get_virq s5m_rtc_probe platform_drv_probe driver_probe_device __driver_attach bus_for_each_dev bus_add_driver driver_register do_one_initcall kernel_init_freeable kernel_init ---[ end trace a954d7f019122700 ]--- Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b ... Signed-off-by: Bartlomiej Zolnierkiewicz <[email protected]> Reviewed-by: Krzysztof Kozlowski <[email protected]> Tested-by: Krzysztof Kozlowski <[email protected]> Acked-by: Kyungmin Park <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2014-08-29xattr: fix check for simultaneous glibc header inclusionFilipe Brandenburger1-1/+1
The guard was introduced in commit ea1a8217b06b ("xattr: guard against simultaneous glibc header inclusion") but it is using #ifdef to check for a define that is either set to 1 or 0. Fix it to use #if instead. * Without this patch: $ { echo "#include <sys/xattr.h>"; echo "#include <linux/xattr.h>"; } | gcc -E -Iinclude/uapi - >/dev/null include/uapi/linux/xattr.h:19:0: warning: "XATTR_CREATE" redefined [enabled by default] #define XATTR_CREATE 0x1 /* set value, fail if attr already exists */ ^ /usr/include/x86_64-linux-gnu/sys/xattr.h:32:0: note: this is the location of the previous definition #define XATTR_CREATE XATTR_CREATE ^ * With this patch: $ { echo "#include <sys/xattr.h>"; echo "#include <linux/xattr.h>"; } | gcc -E -Iinclude/uapi - >/dev/null (no warnings) Signed-off-by: Filipe Brandenburger <[email protected]> Acked-by: Serge E. Hallyn <[email protected]> Cc: Allan McRae <[email protected]> Cc: <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
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