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2019-04-16i2c: ocores: enable atomic xfersWolfram Sang
The driver already has the routine in place, tie it to the new callback. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Cc: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2019-04-16i2c: ocores: refactor setup for pollingWolfram Sang
By properly setting up the algorithm at probe time, we can skip the check at every transfer. This allows us to get rid of the flags completely. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Cc: Andrew Lunn <andrew@lunn.ch> Acked-by: Peter Korsgaard <peter@korsgaard.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2019-04-16i2c: tegra-bpmp: convert to use new atomic callbacksWolfram Sang
The driver did handle this internally, convert it to use the new callbacks. Reviewed-by: Timo Alho <talho@nvidia.com> Acked-by: Thierry Reding <treding@nvidia.com> Reviewed-by: Simon Horman <horms+renesas@verge.net.au> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2019-04-16i2c: omap: Add the master_xfer_atomic hookWolfram Sang
Add the master_xfer_atomic hook to enable i2c transactions in irq disabled contexts like the poweroff case. Signed-off-by: Tero Kristo <t-kristo@ti.com> Signed-off-by: Keerthy <j-keerthy@ti.com> [wsa: simplified code a little: 'timeout = !ret'] Reviewed-by: Simon Horman <horms+renesas@verge.net.au> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2019-04-16i2c: demux: handle the new atomic callbacksWolfram Sang
If the parent has an atomic callback, we need to translate it the same way as the non-atomic callback. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2019-04-16i2c: mux: populate the new *_atomic callbacksWolfram Sang
If the parent adapter has atomic_xfer callbacks, populate them for the mux adapter as well. We can use the same translation function as for the non-atomic xfer callback. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Peter Rosin <peda@axentia.se> Reviewed-by Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2019-04-16i2c: core: introduce callbacks for atomic transfersWolfram Sang
We had the request to access devices very late when interrupts are not available anymore multiple times now. Mostly to prepare shutdown or reboot. Allow adapters to specify a specific callback for this case. Note that we fall back to the generic {master|smbus}_xfer callback if this new atomic one is not present. This is intentional to preserve the previous behaviour and avoid regressions. Because there are drivers not using interrupts or because it might have worked "accidently" before. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by Andy Shevchenko <andriy.shevchenko@linux.intel.com> Tested-by: Stefan Lengfeld <contact@stefanchrist.eu> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2019-04-16i2c: core: use I2C locking behaviour also for SMBUSWolfram Sang
If I2C transfers are executed in atomic contexts, trylock is used instead of lock. This behaviour was missing for SMBUS, although a lot of transfers are of SMBUS type, either emulated or direct. So, factor out the locking routine into a helper and use it for I2C and SMBUS. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2019-04-16i2c: core: remove use of in_atomic()Wolfram Sang
Commit cea443a81c9c ("i2c: Support i2c_transfer in atomic contexts") added in_atomic() to the I2C core. However, the use of in_atomic() outside of core kernel code is discouraged and was already[1] when this code was added in early 2008. The above commit was a preparation for commit b7a3670131c7 ("i2c-pxa: Add polling transfer"). Its commit message says explicitly it was added "for cases where I2C transactions have to occur at times interrup[t]s are disabled". So, the intention was 'disabled interrupts'. This matches the use cases for atomic I2C transfers I have seen so far: very late communication (mostly to a PMIC) to powerdown or reboot the system. For those cases, interrupts are disabled then. It doesn't seem that in_atomic() adds value. After a discussion with Peter Zijlstra[2], we came up with a better set of conditionals to match the use case. The I2C core will soon gain an extra callback into bus drivers especially for atomic transfers to make them more generic. The code deciding which transfer to use (atomic/non-atomic) should mimic the behaviour which locking to use (trylock/lock). This is why we add a helper for it. [1] https://lwn.net/Articles/274695/ [2] http://patchwork.ozlabs.org/patch/1067437/ Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by Andy Shevchenko <andriy.shevchenko@linux.intel.com> Tested-by: Stefan Lengfeld <contact@stefanchrist.eu> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2019-04-15i2c: brcmstb: remove unused struct memberWolfram Sang
No further occurences in the driver. Fixes: dd1aa2524bc5 ("i2c: brcmstb: Add Broadcom settop SoC i2c controller driver") Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2019-04-15i2c: mediatek: Add i2c support for MediaTek MT8183Qii Wang
Add i2c compatible for MT8183. Compare to MT2712 i2c controller, MT8183 has different register offsets. Ltiming_reg is added to adjust low width of SCL. Arb clock and dma_sync are needed. Signed-off-by: Qii Wang <qii.wang@mediatek.com> Reviewed-by: Nicolas Boichat <drinkcat@chromium.org> Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2019-04-15i2c: mediatek: Add i2c and apdma sync in i2c driverQii Wang
When i2c and apdma use different source clocks, we should enable synchronization between them. Signed-off-by: Qii Wang <qii.wang@mediatek.com> Reviewed-by: Nicolas Boichat <drinkcat@chromium.org> Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2019-04-15i2c: mediatek: Add arb clock in i2c driverQii Wang
When two i2c controllers are internally connected to the same GPIO pins, the arb clock is needed to ensure that the waveforms do not interfere with each other. And we also need to enable the interrupt to find arb lost, old i2c controllers also have the bit. Signed-off-by: Qii Wang <qii.wang@mediatek.com> Reviewed-by: Nicolas Boichat <drinkcat@chromium.org> Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2019-04-15dt-bindings: i2c: Add Mediatek MT8183 i2c bindingQii Wang
Add MT8183 i2c binding to binding file. Compare to MT2712 i2c controller, MT8183 has different registers, offsets, and clock. Signed-off-by: Qii Wang <qii.wang@mediatek.com> Reviewed-by: Rob Herring <robh@kernel.org> Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2019-04-15i2c: mediatek: Add offsets array for new i2c registersQii Wang
New i2c registers would have different offsets, so we use different offsets array to distinguish different i2c registers version. Signed-off-by: Qii Wang <qii.wang@mediatek.com> Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2019-04-03i2c: isch: Remove unnecessary acpi.h includeBjorn Helgaas
Commit 54fb4a05af0a ("i2c: Check for ACPI resource conflicts") included <linux/acpi.h> so we could use acpi_check_region(). Commit fd46a0064af1 ("i2c: convert i2c-isch to platform_device") removed the use of acpi_check_region() but not the include. Remove the now-unnecessary include of <linux/acpi.h>. No functional change intended. Fixes: fd46a0064af1 ("i2c: convert i2c-isch to platform_device") Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Jean Delvare <jdelvare@suse.de> Reviewed-by: Mukesh Ojha <mojha@codeaurora.org> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2019-04-03i2c: nomadik: remove an unnecessary NULL check in nmk_i2c_remove()Dan Carpenter
"res" can't be NULL because it's a pointer to somewhere in the middle of the "adev" struct. Also probe() succeeded so there is no need to check here. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2019-04-03i2c: iproc: add NIC I2C supportRayagonda Kokatanur
Add NIC I2C support to the iProc I2C driver. Access to the NIC I2C base registers requires going through the IDM wrapper to map into the NIC's address space Signed-off-by: Rayagonda Kokatanur <rayagonda.kokatanur@broadcom.com> Signed-off-by: Ray Jui <ray.jui@broadcom.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2019-04-03dt-bindings: i2c: iproc: add "brcm, iproc-nic-i2c" compatible stringRayagonda Kokatanur
Update iProc I2C binding document to add new compatible string "brcm,iproc-nic-i2c". Optional property "brcm,ape-hsls-addr-mask" is also added that allows configuration of the host view into the APE's address for "brcm,iproc-nic-i2c" Signed-off-by: Rayagonda Kokatanur <rayagonda.kokatanur@broadcom.com> Signed-off-by: Ray Jui <ray.jui@broadcom.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2019-04-03i2c: iproc: use wrapper for read/write accessRayagonda Kokatanur
Use the following wrapper for read/write access of iProc i2c registers: u32 iproc_i2c_rd_reg(struct bcm_iproc_i2c_dev *iproc_i2c, u32 offset) void iproc_i2c_wr_reg(struct bcm_iproc_i2c_dev *iproc_i2c, u32 offset, u32 val) This preps the driver for support of indirect register access required by certain SoCs with this iProc I2C block integrated Signed-off-by: Rayagonda Kokatanur <rayagonda.kokatanur@broadcom.com> Signed-off-by: Ray Jui <ray.jui@broadcom.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2019-04-03i2c: iproc: add polling supportRayagonda Kokatanur
Add polling support to the iProc I2C driver. Polling mode is activated when the driver fails to obtain an interrupt ID from device tree Signed-off-by: Rayagonda Kokatanur <rayagonda.kokatanur@broadcom.com> Signed-off-by: Ray Jui <ray.jui@broadcom.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2019-04-03dt-bindings: i2c: iproc: make 'interrupts' optionalRay Jui
Update the binding document to make the 'interrupts' property optional. For certain revisions of the I2C controller (e.g., iProc NIC I2C), I2C interrupt is unwired to the interrupt controller. In such case, this 'interrupts' property should be left unspecified, and driver will fall back to polling mode Signed-off-by: Ray Jui <ray.jui@broadcom.com> Signed-off-by: Rayagonda Kokatanur <rayagonda.kokatanur@broadcom.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2019-04-03i2c: iproc: Add support for more master error statusMichael Cheng
Add support for more master error status including FIFO underrun and RX FIFO full Signed-off-by: Michael Cheng <ccheng@broadcom.com> Signed-off-by: Ray Jui <ray.jui@broadcom.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2019-04-03i2c: iproc: Add slave mode supportShreesha Rajashekar
Add slave mode support to the iProc I2C driver. Signed-off-by: Rayagonda Kokatanur <rayagonda.kokatanur@broadcom.com> Signed-off-by: Michael Cheng <ccheng@broadcom.com> Signed-off-by: Shreesha Rajashekar <shreesha.rajashekar@broadcom.com> Signed-off-by: Ray Jui <ray.jui@broadcom.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2019-04-03i2c: iproc: Extend I2C read up to 255 bytesShreesha Rajashekar
Add support to allow I2C master read transfer up to 255 bytes. Signed-off-by: Shreesha Rajashekar <shreesha@broadcom.com> Signed-off-by: Rayagonda Kokatanur <rayagonda.kokatanur@broadcom.com> Signed-off-by: Ray Jui <ray.jui@broadcom.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2019-03-27i2c: apply coding style for struct i2c_adapterWolfram Sang
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Simon Horman <horms+renesas@verge.net.au> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2019-03-27i2c: at91: Convert to use struct i2c_timingsAndy Shevchenko
Instead of using custom variables and parser, convert the driver to use the ones provided by I2C core. No functional change intended. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Ludovic Desroches <ludovic.desroches@microchip.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2019-03-25i2c: Add drivers for the AMD PCIe MP2 I2C controllerElie Morisse
MP2 controllers have two separate busses, so may accommodate up to two I2C adapters. Those adapters are listed in the ACPI namespace with the "AMDI0011" HID, and probed by a platform driver. Communication with the MP2 takes place through MMIO registers, or through DMA for more than 32 bytes transfers. This is major rework of the patch submitted by Nehal-bakulchandra Shah from AMD (https://patchwork.kernel.org/patch/10597369/). Most of the event handling of v3 was rewritten to make it work with more than one bus (e.g on Ryzen-based Lenovo Yoga 530), and this version contains many other improvements. Signed-off-by: Elie Morisse <syniurge@gmail.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2019-03-24dt-bindings: i2c: stm32: update optional properties for stm32h7/stm32mp1Bich HEMON
Add STM32H7 and STM32MP1 in the list of compatible socs for each optional property. Signed-off-by: Bich Hemon <bich.hemon@st.com> Reviewed-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2019-03-24dt-bindings: i2c: stm32: remove extra spacesBich HEMON
Remove extra spaces before colons. Signed-off-by: Bich Hemon <bich.hemon@st.com> Reviewed-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2019-03-24i2c: at91: added slave mode supportJuergen Fitschen
Slave mode driver is based on the concept of i2c-designware driver. Signed-off-by: Juergen Fitschen <me@jue.yt> [ludovic.desroches@microchip.com: rework Kconfig and replace IS_ENABLED by defined] Signed-off-by: Ludovic Desroches <ludovic.desroches@microchip.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2019-03-24i2c: at91: split driver into core and master fileJuergen Fitschen
The single file i2c-at91.c has been split into core code (i2c-at91-core.c) and master mode specific code (i2c-at91-master.c). This should enhance maintainability and reduce ifdeffery for slave mode related code. The code itself hasn't been touched. Shared functions only had to be made non-static. Furthermore, includes have been cleaned up. Signed-off-by: Juergen Fitschen <me@jue.yt> [ludovic.desroches@microchip.com: fix checkpatch errors and use SPDX] Signed-off-by: Ludovic Desroches <ludovic.desroches@microchip.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2019-03-24i2c: at91: segregate master mode specific code from probe and init funcJuergen Fitschen
In order to implement slave mode support for the at91 hardware we have to segregate all master mode specific function parts from the general parts. The upcoming slave mode patch will call its sepcific probe resp. init function instead of the master mode functions after the shared general code has been executed. This concept has been influenced by the i2c-designware driver. Signed-off-by: Juergen Fitschen <me@jue.yt> Signed-off-by: Ludovic Desroches <ludovic.desroches@microchip.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2019-03-20i2c: rcar: wait for data empty before starting DMAWolfram Sang
When sending with DMA, the driver transfers the first byte with PIO (as documented). However, it started DMA right after the first byte was written. This worked, but was not according to the datasheet which suggests to wait until data register was empty again. Implement this. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Simon Horman <horms+renesas@verge.net.au> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2019-03-20i2c: rcar: let DMA enable routine return success statusWolfram Sang
We will need to know if enabling DMA was successful in a later patch. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Simon Horman <horms+renesas@verge.net.au> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2019-03-20i2c: rcar: sanity check for minimal DMA lengthWolfram Sang
Use a macro for the hardcoded value and apply a build check. If it is not met, the driver logic will not work anymore. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Simon Horman <horms+renesas@verge.net.au> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2019-03-20i2c: i2c-stm32f7: improve loopback in timing algorithmNicolas Le Bayon
This avoids useless loops inside the I2C timing algorithm. Actually, we support only one possible solution per prescaler value. So after finding a solution with a prescaler, the algorithm can switch directly to the next prescaler value. Signed-off-by: Nicolas Le Bayon <nicolas.le.bayon@st.com> Signed-off-by: Bich Hemon <bich.hemon@st.com> Reviewed-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2019-03-20i2c: designware: Add support for an interface clockPhil Edworthy
The Synopsys I2C Controller has an interface clock, but most SoCs hide this away. However, on some SoCs you need to explicitly enable the interface clock in order to access the registers. Therefore, add support for an optional interface clock. Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com> Signed-off-by: Gareth Williams <gareth.williams.jx@renesas.com> Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Acked-by: Jarkko Nikula <jarkko.nikula@linux.intel.com> Tested-by: Jarkko Nikula <jarkko.nikula@linux.intel.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2019-03-20dt: snps,designware-i2c: Add clock bindings documentationPhil Edworthy
The driver requires an undocumented clock property, so detail it. Add documentation for a separate, optional, interface clock. Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com> Signed-off-by: Gareth Williams <gareth.williams.jx@renesas.com> Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Rob Herring <robh@kernel.org> Reviewed-by: Jarkko Nikula <jarkko.nikula@linux.intel.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2019-03-17Linux 5.1-rc1Linus Torvalds
2019-03-17Merge tag 'kbuild-v5.1-2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull more Kbuild updates from Masahiro Yamada: - add more Build-Depends to Debian source package - prefix header search paths with $(srctree)/ - make modpost show verbose section mismatch warnings - avoid hard-coded CROSS_COMPILE for h8300 - fix regression for Debian make-kpkg command - add semantic patch to detect missing put_device() - fix some warnings of 'make deb-pkg' - optimize NOSTDINC_FLAGS evaluation - add warnings about redundant generic-y - clean up Makefiles and scripts * tag 'kbuild-v5.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: kconfig: remove stale lxdialog/.gitignore kbuild: force all architectures except um to include mandatory-y kbuild: warn redundant generic-y Revert "modsign: Abort modules_install when signing fails" kbuild: Make NOSTDINC_FLAGS a simply expanded variable kbuild: deb-pkg: avoid implicit effects coccinelle: semantic code search for missing put_device() kbuild: pkg: grep include/config/auto.conf instead of $KCONFIG_CONFIG kbuild: deb-pkg: introduce is_enabled and if_enabled_echo to builddeb kbuild: deb-pkg: add CONFIG_ prefix to kernel config options kbuild: add workaround for Debian make-kpkg kbuild: source include/config/auto.conf instead of ${KCONFIG_CONFIG} unicore32: simplify linker script generation for decompressor h8300: use cc-cross-prefix instead of hardcoding h8300-unknown-linux- kbuild: move archive command to scripts/Makefile.lib modpost: always show verbose warning for section mismatch ia64: prefix header search path with $(srctree)/ libfdt: prefix header search paths with $(srctree)/ deb-pkg: generate correct build dependencies
2019-03-17Merge branch 'x86-asm-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 asm updates from Thomas Gleixner: "Two cleanup patches removing dead conditionals and unused code" * 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/asm: Remove unused __constant_c_x_memset() macro and inlines x86/asm: Remove dead __GNUC__ conditionals
2019-03-17Merge branch 'perf-urgent-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf fixes from Thomas Gleixner: "Three fixes for the fallout from the TSX errata workaround: - Prevent memory corruption caused by a unchecked out of bound array index. - Two trivial fixes to address compiler warnings" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf/x86/intel: Make dev_attr_allow_tsx_force_abort static perf/x86: Fixup typo in stub functions perf/x86/intel: Fix memory corruption
2019-03-17Merge tag 'for-linus-5.1b-rc1b-tag' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip Pull xen fix from Juergen Gross: "A fix for a Xen bug introduced by David's series for excluding ballooned pages in vmcores" * tag 'for-linus-5.1b-rc1b-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: xen/balloon: Fix mapping PG_offline pages to user space
2019-03-17Merge tag '9p-for-5.1' of git://github.com/martinetd/linuxLinus Torvalds
Pull 9p updates from Dominique Martinet: "Here is a 9p update for 5.1; there honestly hasn't been much. Two fixes (leak on invalid mount argument and possible deadlock on i_size update on 32bit smp) and a fall-through warning cleanup" * tag '9p-for-5.1' of git://github.com/martinetd/linux: 9p/net: fix memory leak in p9_client_create 9p: use inode->i_lock to protect i_size_write() under 32-bit 9p: mark expected switch fall-through
2019-03-17perf/x86/intel: Make dev_attr_allow_tsx_force_abort statickbuild test robot
Fixes: 400816f60c54 ("perf/x86/intel: Implement support for TSX Force Abort") Signed-off-by: kbuild test robot <lkp@intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: "Peter Zijlstra (Intel)" <peterz@infradead.org> Cc: kbuild-all@01.org Cc: Borislav Petkov <bp@alien8.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: stable@vger.kernel.org Link: https://lkml.kernel.org/r/20190313184243.GA10820@lkp-sb-ep06
2019-03-17kconfig: remove stale lxdialog/.gitignoreMasahiro Yamada
When this .gitignore was added, lxdialog was an independent hostprogs-y. Now that all objects in lxdialog/ are directly linked to mconf, the lxdialog is no longer generated. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-03-17kbuild: force all architectures except um to include mandatory-yMasahiro Yamada
Currently, every arch/*/include/uapi/asm/Kbuild explicitly includes the common Kbuild.asm file. Factor out the duplicated include directives to scripts/Makefile.asm-generic so that no architecture would opt out of the mandatory-y mechanism. um is not forced to include mandatory-y since it is a very exceptional case which does not support UAPI. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-03-17kbuild: warn redundant generic-yMasahiro Yamada
The generic-y is redundant under the following condition: - arch has its own implementation - the same header is added to generated-y - the same header is added to mandatory-y If a redundant generic-y is found, the warning like follows is displayed: scripts/Makefile.asm-generic:20: redundant generic-y found in arch/arm/include/asm/Kbuild: timex.h I fixed up arch Kbuild files found by this. Suggested-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-03-17Revert "modsign: Abort modules_install when signing fails"Douglas Anderson
This reverts commit caf6fe91ddf62a96401e21e9b7a07227440f4185. The commit was fine but is no longer needed as of commit 3a2429e1faf4 ("kbuild: change if_changed_rule for multi-line recipe"). Let's go back to using ";" to be consistent. For some discussion, see: https://lkml.kernel.org/r/CAK7LNASde0Q9S5GKeQiWhArfER4S4wL1=R_FW8q0++_X3T5=hQ@mail.gmail.com Signed-off-by: Douglas Anderson <dianders@chromium.org> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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