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2020-05-11mtd: rawnand: cs553x: Declare controllers instead of NAND chipsBoris Brezillon1-11/+22
The CS553x companion chip embeds 4 NAND controllers. Declare them as NAND controllers instead of NAND chips. That's done in preparation of the transition to exec_op(). Signed-off-by: Boris Brezillon <[email protected]> Reviewed-by: Miquel Raynal <[email protected]> Signed-off-by: Miquel Raynal <[email protected]> Link: https://lore.kernel.org/linux-mtd/[email protected]
2020-05-11mtd: rawnand: jedec: Use intermediate variables to improve readabilityMiquel Raynal1-2/+3
Before reworking a little bit the JEDEC detection code, let's clean the coding style of an if statement to improve readability. Signed-off-by: Miquel Raynal <[email protected]> Reviewed-by: Boris Brezillon <[email protected]> Link: https://lore.kernel.org/linux-mtd/[email protected]
2020-05-11mtd: rawnand: jedec: Define the number of parameter pagesMiquel Raynal1-2/+4
Use a macro to define the number of parameter page instead of hardcoding it everywhere. Signed-off-by: Miquel Raynal <[email protected]> Reviewed-by: Boris Brezillon <[email protected]> Link: https://lore.kernel.org/linux-mtd/[email protected]
2020-05-11mtd: rawnand: onfi: Drop a useless parameter page readMiquel Raynal1-6/+4
During detection the logic on the NAND bus is: /* Regular ONFI detection */ 1/ read the three NAND parameter pages /* Extended parameter page detection */ 2/ send "read the NAND parameter page" commands without reading actual data 3/ move the column pointer to the extended page and read it If fact, as long as there is nothing happening on the NAND bus between 1/ and 3/, the operation 2/ is redundant so remove it. Signed-off-by: Miquel Raynal <[email protected]> Reviewed-by: Boris Brezillon <[email protected]> Link: https://lore.kernel.org/linux-mtd/[email protected]
2020-05-11mtd: rawnand: onfi: Avoid doing a copy of the parameter pageMiquel Raynal1-15/+15
There is no need for copying the parameter page, playing with pointers does the trick. There is not functional change. Signed-off-by: Miquel Raynal <[email protected]> Reviewed-by: Boris Brezillon <[email protected]> Link: https://lore.kernel.org/linux-mtd/[email protected]
2020-05-11mtd: rawnand: onfi: Define the number of parameter pagesMiquel Raynal1-5/+11
Use a macro to define the number of parameter page instead of hardcoding it everywhere. Signed-off-by: Miquel Raynal <[email protected]> Reviewed-by: Boris Brezillon <[email protected]> Link: https://lore.kernel.org/linux-mtd/[email protected]
2020-05-11mtd: rawnand: onfi: Use intermediate variables to improve readabilityMiquel Raynal1-4/+5
Before reworking a little bit the ONFI detection code, let's clean the coding style of the if statements to improve readability. Signed-off-by: Miquel Raynal <[email protected]> Reviewed-by: Boris Brezillon <[email protected]> Link: https://lore.kernel.org/linux-mtd/[email protected]
2020-05-11mtd: rawnand: onfi: Fix redundancy detection checkMiquel Raynal1-1/+1
During ONFI detection, the CRC derived from the parameter page and the CRC supposed to be at the end of the parameter page are compared. If they do not match, the second then the third copies of the page are tried. The current implementation compares the newly derived CRC with the CRC contained in the first page only. So if this particular CRC area has been corrupted, then the detection will fail for a wrong reason. Fix this issue by checking the derived CRC against the right one. Fixes: 39138c1f4a31 ("mtd: rawnand: use bit-wise majority to recover the ONFI param page") Cc: [email protected] Signed-off-by: Miquel Raynal <[email protected]> Reviewed-by: Boris Brezillon <[email protected]> Link: https://lore.kernel.org/linux-mtd/[email protected]
2020-05-11mtd: rawnand: timings: Fix default tR_max and tCCS_min timingsMiquel Raynal1-3/+2
tR and tCCS are currently wrongly expressed in femtoseconds, while we expect these values to be expressed in picoseconds. Set right hardcoded values. Fixes: 6a943386ee36 mtd: rawnand: add default values for dynamic timings Signed-off-by: Miquel Raynal <[email protected]> Reviewed-by: Boris Brezillon <[email protected]> Link: https://lore.kernel.org/linux-mtd/[email protected]
2020-05-11mtd: rawnand: timings: Add mode information to the timings structureMiquel Raynal2-3/+13
Convert the timings union into a structure containing the mode and the actual values. The values are still a union in prevision of the addition of the NVDDR modes. Signed-off-by: Miquel Raynal <[email protected]> Reviewed-by: Boris Brezillon <[email protected]> Link: https://lore.kernel.org/linux-mtd/[email protected]
2020-05-11mtd: rawnand: marvell: Rename the ->correct() functionMiquel Raynal1-10/+9
There is no correction involved at this point, it is just a matter of reading registers and checking whether bitflips have occurred or not. Rename the function to clarify it. Signed-off-by: Miquel Raynal <[email protected]> Reviewed-by: Boris Brezillon <[email protected]> Link: https://lore.kernel.org/linux-mtd/[email protected]
2020-05-11mtd: rawnand: marvell: Rename a function to clarifyMiquel Raynal1-3/+3
Cosmetic change to clarify the purpose of the function. Signed-off-by: Miquel Raynal <[email protected]> Reviewed-by: Boris Brezillon <[email protected]> Link: https://lore.kernel.org/linux-mtd/[email protected]
2020-05-11mtd: rawnand: marvell: Fix probe error pathMiquel Raynal1-9/+14
Ensure all chips are deregistered and cleaned in case of error during the probe. Fixes: 02f26ecf8c77 ("mtd: nand: add reworked Marvell NAND controller driver") Signed-off-by: Miquel Raynal <[email protected]> Reviewed-by: Boris Brezillon <[email protected]> Link: https://lore.kernel.org/linux-mtd/[email protected]
2020-05-11mtd: rawnand: marvell: Use nand_cleanup() when the device is not yet registeredMiquel Raynal1-1/+1
Do not call nand_release() while the MTD device has not been registered, use nand_cleanup() instead. Fixes: 02f26ecf8c77 ("mtd: nand: add reworked Marvell NAND controller driver") Signed-off-by: Miquel Raynal <[email protected]> Reviewed-by: Boris Brezillon <[email protected]> Link: https://lore.kernel.org/linux-mtd/[email protected]
2020-05-11mtd: rawnand: marvell: Use devm_platform_ioremap_res()Miquel Raynal1-3/+1
Switch from the old platform_get_resource()/devm_ioremap_resource() couple to the newer devm_platform_ioremap_resource() helper. Signed-off-by: Miquel Raynal <[email protected]> Reviewed-by: Boris Brezillon <[email protected]> Link: https://lore.kernel.org/linux-mtd/[email protected]
2020-05-11mtd: rawnand: marvell: Fix the condition on a return codeMiquel Raynal1-1/+1
In a previous fix, I changed the condition on which the timeout of an IRQ is reached from: if (!ret) into: if (ret && !pending) While having a non-zero return code is usual in the Linux kernel, here ret comes from a wait_for_completion_timeout() which returns 0 when the waiting period is too long. Hence, the revised condition should be: if (!ret && !pending) The faulty patch did not produce any error because of the !pending condition so this change is finally purely cosmetic and does not change the actual driver behavior. Fixes: cafb56dd741e ("mtd: rawnand: marvell: prevent timeouts on a loaded machine") Signed-off-by: Miquel Raynal <[email protected]> Reviewed-by: Boris Brezillon <[email protected]> Link: https://lore.kernel.org/linux-mtd/[email protected]
2020-05-11mtd: rawnand: Give more information about the ECC weaknessMiquel Raynal1-2/+4
When the ECC strength is too weak compared to the NAND chip requirements, display the values so that it is clear for people how much they are far from the requirements (and might get in troubles in the future). Signed-off-by: Miquel Raynal <[email protected]> Link: https://lore.kernel.org/linux-mtd/[email protected]
2020-05-11mtd: rawnand: au1550nd: Patch the read/write buf helper prototypesBoris Brezillon1-13/+17
To match the types passed by au1550nd_exec_instr() function. Signed-off-by: Boris Brezillon <[email protected]> Reviewed-by: Miquel Raynal <[email protected]> Signed-off-by: Miquel Raynal <[email protected]> Link: https://lore.kernel.org/linux-mtd/[email protected]
2020-05-11mtd: rawnand: au1550nd: Get rid of the legacy interface implementationBoris Brezillon1-264/+0
Now that exec_op() is implemented we can get rid of all other hooks. Signed-off-by: Boris Brezillon <[email protected]> Reviewed-by: Miquel Raynal <[email protected]> Signed-off-by: Miquel Raynal <[email protected]> Link: https://lore.kernel.org/linux-mtd/[email protected]
2020-05-10mtd: rawnand: au1550nd: Implement exec_op()Boris Brezillon1-0/+110
So we can later get rid of the legacy interface implementation. Signed-off-by: Boris Brezillon <[email protected]> Reviewed-by: Miquel Raynal <[email protected]> Signed-off-by: Miquel Raynal <[email protected]> Link: https://lore.kernel.org/linux-mtd/[email protected]
2020-05-10mtd: rawnand: au1550nd: Stop using IO_ADDR_{R, W} in au_{read, write}_buf[16]()Boris Brezillon1-4/+13
We are about to re-use those for the exec_op() implementation which will not rely on au1550_hwcontrol(). Let's patch those helpers to simply use the iomem address stored in the context. Signed-off-by: Boris Brezillon <[email protected]> Reviewed-by: Miquel Raynal <[email protected]> Signed-off-by: Miquel Raynal <[email protected]> Link: https://lore.kernel.org/linux-mtd/[email protected]
2020-05-10mtd: rawnand: denali: add more delays before latching incoming dataMasahiro Yamada1-11/+34
The Denali IP have several registers to specify how many clock cycles should be waited between falling/rising signals. You can improve the NAND access performance by programming these registers with optimized values. Because struct nand_sdr_timings represents the device requirement in pico seconds, denali_setup_data_interface() computes the register values by dividing the device timings with the clock period. Marek Vasut reported this driver in the latest kernel does not work on his SOCFPGA board. (The on-board NAND chip is mode 5) The suspicious parameter is acc_clks, so this commit relaxes it. The Denali NAND Flash Memory Controller User's Guide describes this register as follows: acc_clks signifies the number of bus interface clk_x clock cycles, controller should wait from read enable going low to sending out a strobe of clk_x for capturing of incoming data. Currently, acc_clks is calculated only based on tREA, the delay on the chip side. This does not include additional delays that come from the data path on the PCB and in the SoC, load capacity of the pins, etc. This relatively becomes a big factor on faster timing modes like mode 5. Before supporting the ->setup_data_interface() hook (e.g. Linux 4.12), the Denali driver hacks acc_clks in a couple of ways [1] [2] to support the timing mode 5. We would not go back to the hard-coded acc_clks, but we need to include this factor into the delay somehow. Let's say the amount of the additional delay is 10000 pico sec. In the new calculation, acc_clks is determined by timings->tREA_max + data_setup_on_host. Also, prolong the RE# low period to make sure the data hold is met. Finally, re-center the data latch timing for extra safety. [1] https://github.com/torvalds/linux/blob/v4.12/drivers/mtd/nand/denali.c#L276 [2] https://github.com/torvalds/linux/blob/v4.12/drivers/mtd/nand/denali.c#L282 Reported-by: Marek Vasut <[email protected]> Signed-off-by: Masahiro Yamada <[email protected]> Tested-by: Marek Vasut <[email protected]> Signed-off-by: Miquel Raynal <[email protected]> Link: https://lore.kernel.org/linux-mtd/[email protected]
2020-05-10mtd: rawnand: Take check_only into accountBoris Brezillon11-10/+33
->exec_op() is passed a check_only argument that encodes when the controller should just check whether the operation is supported or not without executing it. Some controllers simply ignore this arguments, others don't but keep modifying some of the registers before returning. Let's fix all those drivers. Signed-off-by: Boris Brezillon <[email protected]> Signed-off-by: Miquel Raynal <[email protected]> Link: https://lore.kernel.org/linux-mtd/[email protected]
2020-05-10mtd: rawnand: brcmnand: Remove unused including <linux/version.h>YueHaibing1-1/+0
Remove including <linux/version.h> that don't need it. Signed-off-by: YueHaibing <[email protected]> Acked-by: Florian Fainelli <[email protected]> Signed-off-by: Kamal Dasu <[email protected]> Reviewed-by: Kamal Dasu <[email protected]> Signed-off-by: Miquel Raynal <[email protected]> Link: https://lore.kernel.org/linux-mtd/[email protected]
2020-05-10mtd: rawnand: cadence: Make cadence_nand_attach_chip staticYueHaibing1-1/+1
Fix sparse warning: drivers/mtd/nand/raw/cadence-nand-controller.c:2595:5: warning: symbol 'cadence_nand_attach_chip' was not declared. Should it be static? Reported-by: Hulk Robot <[email protected]> Signed-off-by: YueHaibing <[email protected]> Signed-off-by: Miquel Raynal <[email protected]> Link: https://lore.kernel.org/linux-mtd/[email protected]
2020-05-10mtd: rawnand: ingenic: Make qi_lb60_ooblayout_ops staticYueHaibing1-1/+1
Fix sparse warning: drivers/mtd/nand/raw/ingenic/ingenic_nand_drv.c:105:32: warning: symbol 'qi_lb60_ooblayout_ops' was not declared. Should it be static? Reported-by: Hulk Robot <[email protected]> Signed-off-by: YueHaibing <[email protected]> Acked-by: Paul Cercueil <[email protected]> Signed-off-by: Miquel Raynal <[email protected]> Link: https://lore.kernel.org/linux-mtd/[email protected]
2020-05-10mtd: rawnand: fsmc: Change to non-atomic bit operationsFenghua Yu1-3/+4
No need to use expensive atomic change_bit() on dat[] and err_idx[]: 1. fsmc_bch8_correct_data() is called while mutex chip->lock is held 2. err_idx[] is a local variable. To avoid big endian concern due to type cast to unsigned long, directly change the bit in the specified byte instead of using non-atomic __change_bit(). Suggested-by: Peter Zijlstra <[email protected]> Signed-off-by: Fenghua Yu <[email protected]> Reviewed-by: Tony Luck <[email protected]> Signed-off-by: Miquel Raynal <[email protected]> Link: https://lore.kernel.org/linux-mtd/[email protected]
2020-04-26Linux 5.7-rc3Linus Torvalds1-1/+1
2020-04-26Merge tag '5.7-rc2-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6Linus Torvalds4-18/+78
Pull cifs fixes from Steve French: "Five cifs/smb3 fixes:two for DFS reconnect failover, one lease fix for stable and the others to fix a missing spinlock during reconnect" * tag '5.7-rc2-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6: cifs: fix uninitialised lease_key in open_shroot() cifs: ensure correct super block for DFS reconnect cifs: do not share tcons with DFS cifs: minor update to comments around the cifs_tcp_ses_lock mutex cifs: protect updating server->dstaddr with a spinlock
2020-04-26Merge tag 'usb-5.7-rc3' of ↵Linus Torvalds29-121/+349
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB fixes from Greg KH: "Here are a number of USB driver fixes for 5.7-rc3. Nothing huge, just the usual collection of: - xhci fixes - gadget driver fixes - syzkaller fuzzing fixes - new device ids and DT bindings - new quirks added for broken devices A few of the gadget driver fixes show up twice here as they were applied to my branch, and also by Felipe to his branch which I then pulled in as we got out of sync a bit. All of these have been in linux-next with no reported issues" * tag 'usb-5.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (33 commits) USB: sisusbvga: Change port variable from signed to unsigned usb-storage: Add unusual_devs entry for JMicron JMS566 USB: hub: Revert commit bd0e6c9614b9 ("usb: hub: try old enumeration scheme first for high speed devices") USB: hub: Fix handling of connect changes during sleep usb: typec: altmode: Fix typec_altmode_get_partner sometimes returning an invalid pointer xhci: Don't clear hub TT buffer on ep0 protocol stall xhci: prevent bus suspend if a roothub port detected a over-current condition xhci: Fix handling halted endpoint even if endpoint ring appears empty usb: raw-gadget: Fix copy_to/from_user() checks usb: raw-gadget: fix raw_event_queue_fetch locking usb: gadget: udc: atmel: Fix vbus disconnect handling usb: dwc3: gadget: Fix request completion check USB: Add USB_QUIRK_DELAY_CTRL_MSG and USB_QUIRK_DELAY_INIT for Corsair K70 RGB RAPIDFIRE phy: tegra: Select USB_COMMON for usb_get_maximum_speed() usb: typec: tcpm: Ignore CC and vbus changes in PORT_RESET change usb: f_fs: Clear OS Extended descriptor counts to zero in ffs_data_reset() cdc-acm: introduce a cool down cdc-acm: close race betrween suspend() and acm_softint UAS: fix deadlock in error handling and PM flushing work UAS: no use logging any details in case of ENODEV ...
2020-04-26Merge tag 'tty-5.7-rc3' of ↵Linus Torvalds9-189/+106
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty Pull tty/serial fixes from Greg KH: "Here are some tty and serial driver fixes for 5.7-rc3. The "largest" in here are a number of reverts for previous changes to the uartps serial driver that turned out to not be a good idea at all. The others are just small fixes found by people and tools. Included in here is a much-reported symbol export needed by previous changes that happened in 5.7-rc1. All of these have been in linux-next for a while with no reported issues" * tag 'tty-5.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: tty: hvc: fix buffer overflow during hvc_alloc(). tty: rocket, avoid OOB access tty: serial: bcm63xx: fix missing clk_put() in bcm63xx_uart vt: don't hardcode the mem allocation upper bound tty: serial: owl: add "much needed" clk_prepare_enable() vt: don't use kmalloc() for the unicode screen buffer tty/sysrq: Export sysrq_mask(), sysrq_toggle_support() serial: sh-sci: Make sure status register SCxSR is read in correct sequence serial: sunhv: Initialize lock for non-registered console Revert "serial: uartps: Register own uart console and driver structures" Revert "serial: uartps: Move Port ID to device data structure" Revert "serial: uartps: Change uart ID port allocation" Revert "serial: uartps: Do not allow use aliases >= MAX_UART_INSTANCES" Revert "serial: uartps: Fix error path when alloc failed" Revert "serial: uartps: Use the same dynamic major number for all ports" Revert "serial: uartps: Fix uartps_major handling"
2020-04-26Merge tag 'char-misc-5.7-rc3' of ↵Linus Torvalds4-6/+11
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc driver fixes from Greg KH: "Here are 4 small misc driver fixes for 5.7-rc3: - mei driver fix - interconnect driver fix - two fpga driver fixes All have been in linux-next with no reported issues" * tag 'char-misc-5.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: interconnect: qcom: Fix uninitialized tcs_cmd::wait mei: me: fix irq number stored in hw struct fpga: dfl: pci: fix return value of cci_pci_sriov_configure fpga: zynq: Remove clk_get error message for probe defer
2020-04-26Merge tag 'staging-5.7-rc3' of ↵Linus Torvalds24-144/+429
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging Pull staging/IIO driver fixes from Greg KH: "Here are some small staging and IIO driver fixes for 5.7-rc3 Lots of tiny things for reported issues in staging and IIO drivers, including a counter driver fix as well (the iio drivers seem to be tied to those). Full details of the fixes are in the shortlog. All of these have been in linux-next for a while with no reported issues" * tag 'staging-5.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (27 commits) staging: vt6656: Fix calling conditions of vnt_set_bss_mode staging: comedi: Fix comedi_device refcnt leak in comedi_open staging: vt6656: Fix pairwise key entry save. staging: vt6656: Fix drivers TBTT timing counter. staging: vt6656: Don't set RCR_MULTICAST or RCR_BROADCAST by default. MAINTAINERS: remove Stefan Popa's email iio: adc: ad7192: fix null pointer de-reference crash during probe iio: core: remove extra semi-colon from devm_iio_device_register() macro iio: adc: ti-ads8344: properly byte swap value iio: imu: inv_mpu6050: fix suspend/resume with runtime power iio: st_sensors: rely on odr mask to know if odr can be set iio: xilinx-xadc: Make sure not exceed maximum samplerate iio: xilinx-xadc: Fix sequencer configuration for aux channels in simultaneous mode iio: xilinx-xadc: Fix clearing interrupt when enabling trigger iio: xilinx-xadc: Fix ADC-B powerdown iio: dac: ad5770r: fix off-by-one check on maximum number of channels iio: imu: st_lsm6dsx: flush hw FIFO before resetting the device iio: core: Fix handling of 'dB' dt-bindings: iio: adc: stm32-adc: fix id relative path counter: 104-quad-8: Add lock guards - generic interface ...
2020-04-26Merge tag 'driver-core-5.7-rc3' of ↵Linus Torvalds5-25/+11
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core Pull driver core fixes from Greg KH: "Here are some small firmware/driver core/debugfs fixes for 5.7-rc3. The debugfs change is now possible as now the last users of debugfs_create_u32() have been fixed up in the different trees that got merged into 5.7-rc1, and I don't want it creeping back in. The firmware changes did cause a regression in linux-next, so the final patch here reverts part of that, re-exporting the symbol to resolve that issue. All of these patches, with the exception of the final one, have been in linux-next with only that one reported issue" * tag 'driver-core-5.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: firmware_loader: revert removal of the fw_fallback_config export debugfs: remove return value of debugfs_create_u32() firmware_loader: remove unused exports firmware: imx: fix compile-testing
2020-04-26Merge tag 's390-5.7-3' of ↵Linus Torvalds6-9/+9
git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull s390 fixes from Vasily Gorbik: - Add a few notrace annotations to avoid potential crashes when switching ftrace tracers. - Avoid setting affinity for floating irqs in pci code. - Fix build issue found by kbuild test robot. * tag 's390-5.7-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: s390/protvirt: fix compilation issue s390/pci: do not set affinity for floating irqs s390/ftrace: fix potential crashes when switching tracers
2020-04-26Merge tag 'powerpc-5.7-3' of ↵Linus Torvalds5-19/+24
git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc fixes from Michael Ellerman: - One important fix for a bug in the way we find the cache-line size from the device tree, which was leading to the wrong size being reported to userspace on some platforms. - A fix for 8xx STRICT_KERNEL_RWX which was leaving TLB entries around leading to a window at boot when the strict mapping wasn't enforced. - A fix to enable our KUAP (kernel user access prevention) debugging on PPC32. - A build fix for clang in lib/mpi. Thanks to: Chris Packham, Christophe Leroy, Nathan Chancellor, Qian Cai. * tag 'powerpc-5.7-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: lib/mpi: Fix building for powerpc with clang powerpc/mm: Fix CONFIG_PPC_KUAP_DEBUG on PPC32 powerpc/8xx: Fix STRICT_KERNEL_RWX startup test failure powerpc/setup_64: Set cache-line-size based on cache-block-size
2020-04-26Merge tag 'devicetree-fixes-for-5.7-2' of ↵Linus Torvalds8-19/+32
git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux Pull more Devicetree fixes from Rob Herring: "A couple of schema and kbuild fixes" * tag 'devicetree-fixes-for-5.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: dt-bindings: phy: qcom-qusb2: Fix defaults dt-bindings: Fix erroneous 'additionalProperties' dt-bindings: Fix command line length limit calling dt-mk-schema dt-bindings: Re-enable core schemas for dtbs_check
2020-04-26firmware_loader: revert removal of the fw_fallback_config exportLuis Chamberlain1-0/+1
Christoph's patch removed two unsused exported symbols, however, one symbol is used by the firmware_loader itself. If CONFIG_FW_LOADER=m so the firmware_loader is modular but CONFIG_FW_LOADER_USER_HELPER=y we fail the build at mostpost. ERROR: modpost: "fw_fallback_config" [drivers/base/firmware_loader/firmware_class.ko] undefined! This happens because the variable fw_fallback_config is built into the kernel if CONFIG_FW_LOADER_USER_HELPER=y always, so we need to grant access to the firmware loader module by exporting it. Revert only one hunk from his patch. Fixes: 739604734bd8 ("firmware_loader: remove unused exports") Reported-by: Randy Dunlap <[email protected]> Signed-off-by: Luis Chamberlain <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-04-25Merge branch 'for-linus' of ↵Linus Torvalds2-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace Pull pid leak fix from Eric Biederman: "Oleg noticed that put_pid(thread_pid) was not getting called when proc was not compiled in. Let's get that fixed before 5.7 is released and causes problems for anyone" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace: proc: Put thread_pid in release_task not proc_flush_pid
2020-04-25Merge tag 'timers-urgent-2020-04-25' of ↵Linus Torvalds1-2/+2
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull timer fixlet from Ingo Molnar: "A single fix for a comment that may show up in DocBook output" * tag 'timers-urgent-2020-04-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: vdso/datapage: Use correct clock mode name in comment
2020-04-25Merge tag 'sched-urgent-2020-04-25' of ↵Linus Torvalds2-21/+35
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull scheduler fixes from Ingo Molnar: "Misc fixes: - an uclamp accounting fix - three frequency invariance fixes and a readability improvement" * tag 'sched-urgent-2020-04-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched/core: Fix reset-on-fork from RT with uclamp x86, sched: Move check for CPU type to caller function x86, sched: Don't enable static key when starting secondary CPUs x86, sched: Account for CPUs with less than 4 cores in freq. invariance x86, sched: Bail out of frequency invariance if base frequency is unknown
2020-04-25Merge tag 'perf-urgent-2020-04-25' of ↵Linus Torvalds2-3/+11
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf fixes from Ingo Molnar: "Two changes: - fix exit event records - extend x86 PMU driver enumeration to add Intel Jasper Lake CPU support" * tag 'perf-urgent-2020-04-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf/core: fix parent pid/tid in task exit events perf/x86/cstate: Add Jasper Lake CPU support
2020-04-25Merge tag 'objtool-urgent-2020-04-25' of ↵Linus Torvalds2-2/+2
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull objtool fixes from Ingo Molnar: "Two fixes: fix an off-by-one bug, and fix 32-bit builds on 64-bit systems" * tag 'objtool-urgent-2020-04-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: objtool: Fix off-by-one in symbol_by_offset() objtool: Fix 32bit cross builds
2020-04-25s390/protvirt: fix compilation issueClaudio Imbrenda2-3/+2
The kernel fails to compile with CONFIG_PROTECTED_VIRTUALIZATION_GUEST set but CONFIG_KVM unset. This patch fixes the issue by making the needed variable always available. Link: https://lkml.kernel.org/r/[email protected] Fixes: a0f60f843199 ("s390/protvirt: Add sysfs firmware interface for Ultravisor information") Reported-by: kbuild test robot <[email protected]> Reported-by: Philipp Rudo <[email protected]> Suggested-by: Philipp Rudo <[email protected]> Reviewed-by: David Hildenbrand <[email protected]> Reviewed-by: Cornelia Huck <[email protected]> Reviewed-by: Vasily Gorbik <[email protected]> Acked-by: Christian Borntraeger <[email protected]> Signed-off-by: Claudio Imbrenda <[email protected]> Signed-off-by: Vasily Gorbik <[email protected]>
2020-04-24Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netLinus Torvalds114-397/+1131
Pull networking fixes from David Miller: 1) Fix memory leak in netfilter flowtable, from Roi Dayan. 2) Ref-count leaks in netrom and tipc, from Xiyu Yang. 3) Fix warning when mptcp socket is never accepted before close, from Florian Westphal. 4) Missed locking in ovs_ct_exit(), from Tonghao Zhang. 5) Fix large delays during PTP synchornization in cxgb4, from Rahul Lakkireddy. 6) team_mode_get() can hang, from Taehee Yoo. 7) Need to use kvzalloc() when allocating fw tracer in mlx5 driver, from Niklas Schnelle. 8) Fix handling of bpf XADD on BTF memory, from Jann Horn. 9) Fix BPF_STX/BPF_B encoding in x86 bpf jit, from Luke Nelson. 10) Missing queue memory release in iwlwifi pcie code, from Johannes Berg. 11) Fix NULL deref in macvlan device event, from Taehee Yoo. 12) Initialize lan87xx phy correctly, from Yuiko Oshino. 13) Fix looping between VRF and XFRM lookups, from David Ahern. 14) etf packet scheduler assumes all sockets are full sockets, which is not necessarily true. From Eric Dumazet. 15) Fix mptcp data_fin handling in RX path, from Paolo Abeni. 16) fib_select_default() needs to handle nexthop objects, from David Ahern. 17) Use GFP_ATOMIC under spinlock in mac80211_hwsim, from Wei Yongjun. 18) vxlan and geneve use wrong nlattr array, from Sabrina Dubroca. 19) Correct rx/tx stats in bcmgenet driver, from Doug Berger. 20) BPF_LDX zero-extension is encoded improperly in x86_32 bpf jit, fix from Luke Nelson. * git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (100 commits) selftests/bpf: Fix a couple of broken test_btf cases tools/runqslower: Ensure own vmlinux.h is picked up first bpf: Make bpf_link_fops static bpftool: Respect the -d option in struct_ops cmd selftests/bpf: Add test for freplace program with expected_attach_type bpf: Propagate expected_attach_type when verifying freplace programs bpf: Fix leak in LINK_UPDATE and enforce empty old_prog_fd bpf, x86_32: Fix logic error in BPF_LDX zero-extension bpf, x86_32: Fix clobbering of dst for BPF_JSET bpf, x86_32: Fix incorrect encoding in BPF_LDX zero-extension bpf: Fix reStructuredText markup net: systemport: suppress warnings on failed Rx SKB allocations net: bcmgenet: suppress warnings on failed Rx SKB allocations macsec: avoid to set wrong mtu mac80211: sta_info: Add lockdep condition for RCU list usage mac80211: populate debugfs only after cfg80211 init net: bcmgenet: correct per TX/RX ring statistics net: meth: remove spurious copyright text net: phy: bcm84881: clear settings on link down chcr: Fix CPU hard lockup ...
2020-04-24Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpfDavid S. Miller19-85/+203
Alexei Starovoitov says: ==================== pull-request: bpf 2020-04-24 The following pull-request contains BPF updates for your *net* tree. We've added 17 non-merge commits during the last 5 day(s) which contain a total of 19 files changed, 203 insertions(+), 85 deletions(-). The main changes are: 1) link_update fix, from Andrii. 2) libbpf get_xdp_id fix, from David. 3) xadd verifier fix, from Jann. 4) x86-32 JIT fixes, from Luke and Wang. 5) test_btf fix, from Stanislav. 6) freplace verifier fix, from Toke. ==================== Signed-off-by: David S. Miller <[email protected]>
2020-04-24selftests/bpf: Fix a couple of broken test_btf casesStanislav Fomichev4-40/+16
Commit 51c39bb1d5d1 ("bpf: Introduce function-by-function verification") introduced function linkage flag and changed the error message from "vlen != 0" to "Invalid func linkage" and broke some fake BPF programs. Adjust the test accordingly. AFACT, the programs don't really need any arguments and only look at BTF for maps, so let's drop the args altogether. Before: BTF raw test[103] (func (Non zero vlen)): do_test_raw:3703:FAIL expected err_str:vlen != 0 magic: 0xeb9f version: 1 flags: 0x0 hdr_len: 24 type_off: 0 type_len: 72 str_off: 72 str_len: 10 btf_total_size: 106 [1] INT (anon) size=4 bits_offset=0 nr_bits=32 encoding=SIGNED [2] INT (anon) size=4 bits_offset=0 nr_bits=32 encoding=(none) [3] FUNC_PROTO (anon) return=0 args=(1 a, 2 b) [4] FUNC func type_id=3 Invalid func linkage BTF libbpf test[1] (test_btf_haskv.o): libbpf: load bpf program failed: Invalid argument libbpf: -- BEGIN DUMP LOG --- libbpf: Validating test_long_fname_2() func#1... Arg#0 type PTR in test_long_fname_2() is not supported yet. processed 0 insns (limit 1000000) max_states_per_insn 0 total_states 0 peak_states 0 mark_read 0 libbpf: -- END LOG -- libbpf: failed to load program 'dummy_tracepoint' libbpf: failed to load object 'test_btf_haskv.o' do_test_file:4201:FAIL bpf_object__load: -4007 BTF libbpf test[2] (test_btf_newkv.o): libbpf: load bpf program failed: Invalid argument libbpf: -- BEGIN DUMP LOG --- libbpf: Validating test_long_fname_2() func#1... Arg#0 type PTR in test_long_fname_2() is not supported yet. processed 0 insns (limit 1000000) max_states_per_insn 0 total_states 0 peak_states 0 mark_read 0 libbpf: -- END LOG -- libbpf: failed to load program 'dummy_tracepoint' libbpf: failed to load object 'test_btf_newkv.o' do_test_file:4201:FAIL bpf_object__load: -4007 BTF libbpf test[3] (test_btf_nokv.o): libbpf: load bpf program failed: Invalid argument libbpf: -- BEGIN DUMP LOG --- libbpf: Validating test_long_fname_2() func#1... Arg#0 type PTR in test_long_fname_2() is not supported yet. processed 0 insns (limit 1000000) max_states_per_insn 0 total_states 0 peak_states 0 mark_read 0 libbpf: -- END LOG -- libbpf: failed to load program 'dummy_tracepoint' libbpf: failed to load object 'test_btf_nokv.o' do_test_file:4201:FAIL bpf_object__load: -4007 Fixes: 51c39bb1d5d1 ("bpf: Introduce function-by-function verification") Signed-off-by: Stanislav Fomichev <[email protected]> Signed-off-by: Alexei Starovoitov <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2020-04-24tools/runqslower: Ensure own vmlinux.h is picked up firstAndrii Nakryiko1-1/+1
Reorder include paths to ensure that runqslower sources are picking up vmlinux.h, generated by runqslower's own Makefile. When runqslower is built from selftests/bpf, due to current -I$(BPF_INCLUDE) -I$(OUTPUT) ordering, it might pick up not-yet-complete vmlinux.h, generated by selftests Makefile, which could lead to compilation errors like [0]. So ensure that -I$(OUTPUT) goes first and rely on runqslower's Makefile own dependency chain to ensure vmlinux.h is properly completed before source code relying on it is compiled. [0] https://travis-ci.org/github/libbpf/libbpf/jobs/677905925 Signed-off-by: Andrii Nakryiko <[email protected]> Signed-off-by: Alexei Starovoitov <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2020-04-24bpf: Make bpf_link_fops staticZou Wei1-1/+1
Fix the following sparse warning: kernel/bpf/syscall.c:2289:30: warning: symbol 'bpf_link_fops' was not declared. Should it be static? Reported-by: Hulk Robot <[email protected]> Signed-off-by: Zou Wei <[email protected]> Signed-off-by: Alexei Starovoitov <[email protected]> Acked-by: Andrii Nakryiko <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2020-04-24bpftool: Respect the -d option in struct_ops cmdMartin KaFai Lau1-1/+7
In the prog cmd, the "-d" option turns on the verifier log. This is missed in the "struct_ops" cmd and this patch fixes it. Fixes: 65c93628599d ("bpftool: Add struct_ops support") Signed-off-by: Martin KaFai Lau <[email protected]> Signed-off-by: Alexei Starovoitov <[email protected]> Reviewed-by: Quentin Monnet <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
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