Commit Graph

897963 Commits

Author SHA1 Message Date
Linus Torvalds
79703e014b chrome platform changes for 5.6
* CrOS EC
 - Refactoring of some of cros_ec's headers. include/linux/mfd/cros_ec.h now
   removed, new cros_ec.h added drivers/platform/chrome which contains shared
   operations of cros_ec transport drivers.
 - Response tracing in cros_ec_proto
 
 * Wilco EC
 - Fix unregistration order.
 - Fix keyboard backlight probing on systems without keyboard backlight
 - Minor cleanup (newlines in printks, COMPILE_TEST)
 
 * Misc
 - chromeos_laptop converted to use i2c_new_scanned_device instead of
   i2c_new_probed_device
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Merge tag 'tag-chrome-platform-for-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux

Pull chrome platform updates from Benson Leung:
 "CrOS EC:

   - Refactoring of some of cros_ec's headers:

     include/linux/mfd/cros_ec.h now removed, new cros_ec.h added to
     drivers/platform/chrome which contains shared operations of cros_ec
     transport drivers.

   - Response tracing in cros_ec_proto

  Wilco EC:

   - Fix unregistration order.

   - Fix keyboard backlight probing on systems without keyboard
     backlight

   - Minor cleanup (newlines in printks, COMPILE_TEST)

  Misc:

   - chromeos_laptop converted to use i2c_new_scanned_device instead of
     i2c_new_probed_device"

* tag 'tag-chrome-platform-for-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
  platform/chrome: cros_ec: Match implementation with headers
  platform/chrome: cros_ec: Drop unaligned.h include
  platform/chrome: wilco_ec: Allow wilco to be compiled in COMPILE_TEST
  platform/chrome: wilco_ec: Add newlines to printks
  platform/chrome: wilco_ec: Fix unregistration order
  cros_ec: treewide: Remove 'include/linux/mfd/cros_ec.h'
  platform/chrome: cros_ec_ishtp: Make init_lock static
  platform/chrome: chromeos_laptop: Convert to i2c_new_scanned_device
  platform/chrome: cros_ec_lpc: Use platform_get_irq_optional() for optional IRQs
  platform/chrome: cros_ec_proto: Add response tracing
  platform/chrome: cros_ec_trace: Match trace commands with EC commands
2020-02-04 07:17:41 +00:00
Linus Torvalds
eadc4e40e6 RTC for 5.6
Subsystem:
  - the VL_READ and VL_CLR ioctls are now documented and their behavior is
    unified across all the drivers.
  - RTC_I2C_AND_SPI Kconfig option rework to avoid selecting both REGMAP_I2C and
    REGMAP_SPI unecessarily.
 
 Drivers:
  - at91rm9200: remove deprecated procfs, add sam9x60, sama5d4 and sama5d2
    compatibles.
  - cmos: solve lost interrupts issue on MS Surface 3
  - hym8563: return proper errno when time is invalid
  - rv3029: many fixes, nvram support
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Merge tag 'rtc-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux

Pull RTC updates from Alexandre Belloni:
 "The VL_READ and VL_CLR ioctls have been reworked to be more useful.
  This will not break userspace as there are very few users and they are
  using the integer value as a boolean.

  Apart from that, two drivers were reworked and a few fixes here and
  there for a net reduction of number of lines.

  Summary:

  Subsystem:
   - the VL_READ and VL_CLR ioctls are now documented and their behavior
     is unified across all the drivers.
   - RTC_I2C_AND_SPI Kconfig option rework to avoid selecting both
     REGMAP_I2C and REGMAP_SPI unecessarily.

  Drivers:
   - at91rm9200: remove deprecated procfs, add sam9x60, sama5d4 and
     sama5d2 compatibles.
   - cmos: solve lost interrupts issue on MS Surface 3
   - hym8563: return proper errno when time is invalid
   - rv3029: many fixes, nvram support"

* tag 'rtc-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (63 commits)
  dt-bindings: rtc: at91rm9200: document clocks property
  rtc: i2c/spi: Avoid inclusion of REGMAP support when not needed
  rtc: Kconfig: select REGMAP_I2C when necessary
  rtc: Kconfig: properly indent sd3078 entry
  rtc: cmos: Refactor code by using the new dmi_get_bios_year() helper
  rtc: cmos: Use predefined value for RTC IRQ on legacy x86
  rtc: cmos: Stop using shared IRQ
  rtc: tps6586x: Use IRQ_NOAUTOEN flag
  rtc: at91rm9200: use FIELD_PREP/FIELD_GET
  rtc: at91rm9200: avoid time readout in at91_rtc_setalarm
  rtc: at91rm9200: move register definitions to C file
  rtc: at91rm9200: add sama5d4 and sama5d2 compatibles
  dt-bindings: rtc: at91rm9200: convert bindings to json-schema
  rtc: at91rm9200: remove procfs information
  dt-bindings: atmel, at91rm9200-rtc: add microchip, sam9x60-rtc
  rtc: pcf8563: Use BIT
  rtc: moxart: Convert to SPDX identifier
  rtc: ds1343: Remove unused struct spi_device in struct ds1343_priv
  rtc: rx8025: Remove struct i2c_client from struct rx8025_data
  rtc: hym8563: Read the valid flag directly instead of caching it
  ...
2020-02-04 07:03:40 +00:00
Linus Torvalds
322bf2d344 Merge branch 'for-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu
Pull percpu updates from Dennis Zhou:
 "Separate out variables that can be decrypted into their own page
  anytime encryption can be enabled and fix __percpu annotations in
  asm-generic for sparse"

* 'for-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu:
  percpu: Separate decrypted varaibles anytime encryption can be enabled
  percpu: fix __percpu annotation in asm-generic
2020-02-03 22:27:33 +00:00
Linus Torvalds
1716f53642 Merge branch 'stable/for-linus-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/ibft
Pull ibft update from Konrad Rzeszutek Wilk:
 "Adhere to the iBFT spec and extend the structure to handle more
  than two NICs"

* 'stable/for-linus-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/ibft:
  iscsi_ibft: Don't limits Targets and NICs to two
2020-02-03 22:25:27 +00:00
Linus Torvalds
a6d5f9dca4 VFIO updates for v5.6-rc1
- Fix nvlink error path (Alexey Kardashevskiy)
 
  - Update nvlink and spapr to use mmgrab() (Julia Lawall)
 
  - Update static declaration (Ben Dooks)
 
  - Annotate __iomem to fix sparse warnings (Ben Dooks)
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Merge tag 'vfio-v5.6-rc1' of git://github.com/awilliam/linux-vfio

Pull VFIO updates from Alex Williamson:

 - Fix nvlink error path (Alexey Kardashevskiy)

 - Update nvlink and spapr to use mmgrab() (Julia Lawall)

 - Update static declaration (Ben Dooks)

 - Annotate __iomem to fix sparse warnings (Ben Dooks)

* tag 'vfio-v5.6-rc1' of git://github.com/awilliam/linux-vfio:
  vfio: platform: fix __iomem in vfio_platform_amdxgbe.c
  vfio/mdev: make create attribute static
  vfio/spapr_tce: use mmgrab
  vfio: vfio_pci_nvlink2: use mmgrab
  vfio/spapr/nvlink2: Skip unpinning pages on error exit
2020-02-03 22:22:05 +00:00
Linus Torvalds
f4a6365ae8 There are a few changes to the core framework this time around, in addition to
the normal collection of driver updates to support new SoCs, fix incorrect
 data, and convert various drivers to clk_hw based APIs.
 
 In the core, we allow clk_ops::init() to return an error code now so that we
 can fail clk registration if the callback does something like fail to allocate
 memory. We also add a new "terminate" clk_op so that things done in
 clk_ops::init() can be undone, e.g. free memory. We also spit out a warning now
 when critical clks fail to enable and we support changing clk rates and
 enable/disable state through debugfs when developers compile the kernel
 themselves.
 
 On the driver front, we get support for what seems like a lot of Qualcomm and
 NXP SoCs given that those vendors dominate the diffstat. There are a couple new
 drivers for Xilinx and Amlogic SoCs too. The updates are all small things like
 fixing the way glitch free muxes switch parents, avoiding div-by-zero problems,
 or fixing data like parent names. See the updates section below for more
 details.
 
 Finally, the "basic" clk types have been converted to support specifying
 parents with clk_hw pointers. This work includes an overhaul of the fixed-rate
 clk type to be more modern by using clk_hw APIs.
 
 Core:
  - Let clk_ops::init() return an error code
  - Add a clk_ops::terminate() callback to undo clk_ops::init()
  - Warn about critical clks that fail to enable or prepare
  - Support dangerous debugfs actions on clks with dead code
 
 New Drivers:
  - Support for Xilinx Versal platform clks
  - Display clk controller on qcom sc7180
  - Video clk controller on qcom sc7180
  - Graphics clk controller on qcom sc7180
  - CPU PLLs for qcom msm8916
  - Move qcom msm8974 gfx3d clk to RPM control
  - Display port clk support on qcom sdm845 SoCs
  - Global clk controller on qcom ipq6018
  - Add a driver for BCLK of Freescale SAI cores
  - Add cam, vpe and sgx clock support for TI dra7
  - Add aess clock support for TI omap5
  - Enable clks for CPUfreq on Allwinner A64 SoCs
  - Add Amlogic meson8b DDR clock controller
  - Add input clocks to Amlogic meson8b controllers
  - Add SPIBSC (SPI FLASH) clock on Renesas RZ/A2
  - i.MX8MP clk driver support
 
 Updates:
  - Convert gpio, fixed-factor, mux, gate, divider basic clks to hw based APIs
  - Detect more PRMCU variants in ux500 driver
  - Adjust the composite clk type to new way of describing clk parents
  - Fixes for clk controllers on qcom msm8998 SoCs
  - Fix gmac main clock for TI dra7
  - Move TI dra7-atl clock header to correct location
  - Fix hidden node name dependency on TI clkctrl clocks
  - Fix Amlogic meson8b mali clock update using the glitch free mux
  - Fix Amlogic pll driver division by zero at init
  - Prepare for split of Renesas R-Car H3 ES1.x and ES2.0+ config symbols
  - Switch more i.MX clk drivers to clk_hw based APIs
  - Disable non-functional divider between pll4_audio_div and
    pll4_post_div on imx6q
  - Fix watchdog2 clock name typo in imx7ulp clock driver
  - Set CLK_GET_RATE_NOCACHE flag for DRAM related clocks on i.MX8M SoCs
  - Suppress bind attrs for i.MX8M clock driver
  - Add a big comment in imx8qxp-lpcg driver to tell why
    devm_platform_ioremap_resource() shouldn't be used for the driver
  - A correction on i.MX8MN usb1_ctrl parent clock setting
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk updates from Stephen Boyd:
 "There are a few changes to the core framework this time around, in
  addition to the normal collection of driver updates to support new
  SoCs, fix incorrect data, and convert various drivers to clk_hw based
  APIs.

  In the core, we allow clk_ops::init() to return an error code now so
  that we can fail clk registration if the callback does something like
  fail to allocate memory. We also add a new "terminate" clk_op so that
  things done in clk_ops::init() can be undone, e.g. free memory. We
  also spit out a warning now when critical clks fail to enable and we
  support changing clk rates and enable/disable state through debugfs
  when developers compile the kernel themselves.

  On the driver front, we get support for what seems like a lot of
  Qualcomm and NXP SoCs given that those vendors dominate the diffstat.
  There are a couple new drivers for Xilinx and Amlogic SoCs too. The
  updates are all small things like fixing the way glitch free muxes
  switch parents, avoiding div-by-zero problems, or fixing data like
  parent names. See the updates section below for more details.

  Finally, the "basic" clk types have been converted to support
  specifying parents with clk_hw pointers. This work includes an
  overhaul of the fixed-rate clk type to be more modern by using clk_hw
  APIs.

  Core:
   - Let clk_ops::init() return an error code
   - Add a clk_ops::terminate() callback to undo clk_ops::init()
   - Warn about critical clks that fail to enable or prepare
   - Support dangerous debugfs actions on clks with dead code

  New Drivers:
   - Support for Xilinx Versal platform clks
   - Display clk controller on qcom sc7180
   - Video clk controller on qcom sc7180
   - Graphics clk controller on qcom sc7180
   - CPU PLLs for qcom msm8916
   - Move qcom msm8974 gfx3d clk to RPM control
   - Display port clk support on qcom sdm845 SoCs
   - Global clk controller on qcom ipq6018
   - Add a driver for BCLK of Freescale SAI cores
   - Add cam, vpe and sgx clock support for TI dra7
   - Add aess clock support for TI omap5
   - Enable clks for CPUfreq on Allwinner A64 SoCs
   - Add Amlogic meson8b DDR clock controller
   - Add input clocks to Amlogic meson8b controllers
   - Add SPIBSC (SPI FLASH) clock on Renesas RZ/A2
   - i.MX8MP clk driver support

  Updates:
   - Convert gpio, fixed-factor, mux, gate, divider basic clks to hw
     based APIs
   - Detect more PRMCU variants in ux500 driver
   - Adjust the composite clk type to new way of describing clk parents
   - Fixes for clk controllers on qcom msm8998 SoCs
   - Fix gmac main clock for TI dra7
   - Move TI dra7-atl clock header to correct location
   - Fix hidden node name dependency on TI clkctrl clocks
   - Fix Amlogic meson8b mali clock update using the glitch free mux
   - Fix Amlogic pll driver division by zero at init
   - Prepare for split of Renesas R-Car H3 ES1.x and ES2.0+ config
     symbols
   - Switch more i.MX clk drivers to clk_hw based APIs
   - Disable non-functional divider between pll4_audio_div and
     pll4_post_div on imx6q
   - Fix watchdog2 clock name typo in imx7ulp clock driver
   - Set CLK_GET_RATE_NOCACHE flag for DRAM related clocks on i.MX8M
     SoCs
   - Suppress bind attrs for i.MX8M clock driver
   - Add a big comment in imx8qxp-lpcg driver to tell why
     devm_platform_ioremap_resource() shouldn't be used for the driver
   - A correction on i.MX8MN usb1_ctrl parent clock setting"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (140 commits)
  dt/bindings: clk: fsl,plldig: Drop 'bindings' from schema id
  clk: ls1028a: Fix warning on clamp() usage
  clk: qoriq: add ls1088a hwaccel clocks support
  clk: ls1028a: Add clock driver for Display output interface
  dt/bindings: clk: Add YAML schemas for LS1028A Display Clock bindings
  clk: fsl-sai: new driver
  dt-bindings: clock: document the fsl-sai driver
  clk: composite: add _register_composite_pdata() variants
  clk: qcom: rpmh: Sort OF match table
  dt-bindings: fix warnings in validation of qcom,gcc.yaml
  dt-binding: fix compilation error of the example in qcom,gcc.yaml
  clk: zynqmp: Add support for clock with CLK_DIVIDER_POWER_OF_TWO flag
  clk: zynqmp: Fix divider calculation
  clk: zynqmp: Add support for get max divider
  clk: zynqmp: Warn user if clock user are more than allowed
  clk: zynqmp: Extend driver for versal
  dt-bindings: clock: Add bindings for versal clock driver
  clk: ti: clkctrl: Fix hidden dependency to node name
  clk: ti: add clkctrl data dra7 sgx
  clk: ti: omap5: Add missing AESS clock
  ...
2020-02-03 22:10:18 +00:00
Linus Torvalds
fe70da5a32 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:

 - a driver for SGI IOC3 PS/2 controller

 - updates to driver for FocalTech FT5x06 series touch screen
   controllers

 - other assorted fixes

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: synaptics-rmi4 - switch to reduced reporting mode
  dt-bindings: touchscreen: Convert Goodix touchscreen to json-schema
  dt-bindings: touchscreen: Add touchscreen schema
  Input: add IOC3 serio driver
  Input: axp20x-pek - enable wakeup for all AXP variants
  Input: axp20x-pek - respect userspace wakeup configuration
  Input: ads7846 - use new `delay` structure for SPI transfer delays
  Input: edt-ft5x06 - use pm core to enable/disable the wake irq
  Input: edt-ft5x06 - make wakeup-source switchable
  Input: edt-ft5x06 - document wakeup-source capability
  Input: edt-ft5x06 - alphabetical include reorder
  Input: edt-ft5x06 - work around first register access error
  Input: apbps2 - add __iomem to register struct
  Input: axp20x-pek - make device attributes static
  Input: elants_i2c - check Remark ID when attempting firmware update
2020-02-03 22:05:15 +00:00
Stephen Boyd
fc6a15c853 dt/bindings: clk: fsl,plldig: Drop 'bindings' from schema id
Having 'bindings' in here causes a warning when checking the schema.

 Documentation/devicetree/bindings/clock/fsl,plldig.yaml:
 $id: relative path/filename doesn't match actual path or filename
         expected: http://devicetree.org/schemas/clock/fsl,plldig.yaml#

Remove it.

Cc: Rob Herring <robh+dt@kernel.org>
Cc: Wen He <wen.he_1@nxp.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lkml.kernel.org/r/20200203052507.93215-2-sboyd@kernel.org
Acked-by: Rob Herring <robh@kernel.org>
2020-02-03 10:33:34 -08:00
Stephen Boyd
0d152f2db5 clk: ls1028a: Fix warning on clamp() usage
These constants are used in clamp() with the value being clamped an
unsigned long. Make them unsigned long defines so that clamp() doesn't
complain about comparing different types.

In file included from include/linux/list.h:9,
                 from include/linux/kobject.h:19,
                 from include/linux/of.h:17,
                 from include/linux/clk-provider.h:9,
                 from drivers/clk/clk-plldig.c:8:
drivers/clk/clk-plldig.c: In function 'plldig_determine_rate':
include/linux/kernel.h:835:29: warning: comparison of distinct pointer types lacks a cast
  835 |   (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
      |

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Wen He <wen.he_1@nxp.com>
Fixes: d37010a3c1 ("clk: ls1028a: Add clock driver for Display output interface")
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lkml.kernel.org/r/20200203052507.93215-1-sboyd@kernel.org
2020-02-03 10:33:34 -08:00
Masahiro Yamada
d4e9056dae initramfs: do not show compression mode choice if INITRAMFS_SOURCE is empty
Since commit ddd09bcc89 ("initramfs: make compression options not
depend on INITRAMFS_SOURCE"), Kconfig asks the compression mode for
the built-in initramfs regardless of INITRAMFS_SOURCE.

It is technically simpler, but pointless from a UI perspective,
Linus says [1].

When INITRAMFS_SOURCE is empty, usr/Makefile creates a tiny default
cpio, which is so small that nobody cares about the compression.

This commit hides the Kconfig choice in that case. The default cpio
is embedded without compression, which was the original behavior.

[1]: https://lkml.org/lkml/2020/2/1/160

Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-02-03 17:31:43 +00:00
Linus Torvalds
ad80142836 for-5.6-tag
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Merge tag 'for-5.6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux

Pull more btrfs updates from David Sterba:
 "Fixes that arrived after the merge window freeze, mostly stable
  material.

   - fix race in tree-mod-log element tracking

   - fix bio flushing inside extent writepages

   - fix assertion when in-memory tracking of discarded extents finds an
     empty tree (eg. after adding a new device)

   - update logic of temporary read-only block groups to take into
     account overcommit

   - fix some fixup worker corner cases:
       - page could not go through proper COW cycle and the dirty status
         is lost due to page migration
       - deadlock if delayed allocation is performed under page lock

   - fix send emitting invalid clones within the same file

   - fix statfs reporting 0 free space when global block reserve size is
     larger than remaining free space but there is still space for new
     chunks"

* tag 'for-5.6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
  btrfs: do not zero f_bavail if we have available space
  Btrfs: send, fix emission of invalid clone operations within the same file
  btrfs: do not do delalloc reservation under page lock
  btrfs: drop the -EBUSY case in __extent_writepage_io
  Btrfs: keep pages dirty when using btrfs_writepage_fixup_worker
  btrfs: take overcommit into account in inc_block_group_ro
  btrfs: fix force usage in inc_block_group_ro
  btrfs: Correctly handle empty trees in find_first_clear_extent_bit
  btrfs: flush write bio if we loop in extent_write_cache_pages
  Btrfs: fix race between adding and putting tree mod seq elements and nodes
2020-02-03 17:03:42 +00:00
Linus Torvalds
e17ac02b18 kgdb patches for 5.6-rc1
Everything for kgdb this time around is either simplifications or clean
 ups.
 
 In particular Douglas Anderson's modifications to the backtrace machine
 in the *last* dev cycle have enabled Doug to tidy up some MIPS specific
 backtrace code and stop sharing certain data structures across the
 kernel.  Note that The MIPS folks were on Cc: for the MIPS patch and
 reacted positively (but without an explicit Acked-by).
 
 Doug also got rid of the implicit switching between tasks and register
 sets during some but not of kdb's backtrace actions (because the
 implicit switching was either confusing for users, pointless or both).
 
 Finally there is a coverity fix and patch to replace open coded console
 traversal with the proper helper function.
 
 Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
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Merge tag 'kgdb-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/danielt/linux

Pull kgdb updates from Daniel Thompson:
 "Everything for kgdb this time around is either simplifications or
  clean ups.

  In particular Douglas Anderson's modifications to the backtrace
  machine in the *last* dev cycle have enabled Doug to tidy up some MIPS
  specific backtrace code and stop sharing certain data structures
  across the kernel. Note that The MIPS folks were on Cc: for the MIPS
  patch and reacted positively (but without an explicit Acked-by).

  Doug also got rid of the implicit switching between tasks and register
  sets during some but not of kdb's backtrace actions (because the
  implicit switching was either confusing for users, pointless or both).

  Finally there is a coverity fix and patch to replace open coded
  console traversal with the proper helper function"

* tag 'kgdb-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/danielt/linux:
  kdb: Use for_each_console() helper
  kdb: remove redundant assignment to pointer bp
  kdb: Get rid of confusing diag msg from "rd" if current task has no regs
  kdb: Gid rid of implicit setting of the current task / regs
  kdb: kdb_current_task shouldn't be exported
  kdb: kdb_current_regs should be private
  MIPS: kdb: Remove old workaround for backtracing on other CPUs
2020-02-03 16:59:51 +00:00
Enric Balletbo i Serra
034dbec179 platform/chrome: cros_ec: Match implementation with headers
The 'cros_ec' core driver is the common interface for the cros_ec
transport drivers to do the shared operations to register, unregister,
suspend, resume and handle_event. The interface is provided by including
the header 'include/linux/platform_data/cros_ec_proto.h', however, instead
of have the implementation of these functions in cros_ec_proto.c, it is in
'cros_ec.c', which is a different kernel module. Apart from being a bad
practice, this can induce confusions allowing the users of the cros_ec
protocol to call these functions.

The register, unregister, suspend, resume and handle_event functions
*should* only be called by the different transport drivers (i2c, spi, lpc,
etc.), so make this a bit less confusing by moving these functions from
the public in-kernel space to a private include in platform/chrome, and
then, the interface for cros_ec module and for the cros_ec_proto module is
clean.

Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
2020-02-03 17:14:50 +01:00
Linus Torvalds
754beeec1d Char/Misc fix for 5.6-rc1
Here is a single patch, that fixes up a commit that came in the previous
 char/misc merge.
 
 It fixes a bug in the hpet driver that everyone keeps tripping over in
 their automated testing.  Good thing is, people are catching it.  Bad
 thing it wasn't caught by anyone testing before this.  Oh well...
 
 This has been in linux-next for a few days with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.6-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc fix from Greg KH:
 "Here is a single patch, that fixes up a commit that came in the
  previous char/misc merge.

  It fixes a bug in the hpet driver that everyone keeps tripping over in
  their automated testing. Good thing is, people are catching it. Bad
  thing it wasn't caught by anyone testing before this. Oh well...

  This has been in linux-next for a few days with no reported issues"

* tag 'char-misc-5.6-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
  char: hpet: Fix out-of-bounds read bug
2020-02-03 14:57:33 +00:00
Linus Torvalds
2367da5b51 - Fix-ups
- Remove superfluous code; ams369fg06
    - Convert over to GPIO descriptor (gpiod); bd6107
 
  - Bug Fixes
    - Fix unsigned comparison to less than zero; qcom-wled
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Merge tag 'backlight-next-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight

Pull backlight updates from Lee Jones:
 "Fix-ups:
   - Remove superfluous code in ams369fg06
   - Convert over to GPIO descriptor (gpiod) in bd6107

  Bug Fixes:
   - Fix unsigned comparison to less than zero in qcom-wled"

* tag 'backlight-next-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight:
  backlight: qcom-wled: Fix unsigned comparison to zero
  backlight: bd6107: Convert to use GPIO descriptor
  backlight: ams369fg06: Drop GPIO include
2020-02-03 14:55:08 +00:00
Linus Torvalds
af32f3a414 - New Drivers
- Add support for ROHM BD71828 PMICs and GPIOs
    - Add support for Qualcomm Aqstic Audio Codecs WCD9340 and WCD9341
 
 - New Device Support
    - Add support for BD71828 to BD70528 RTC driver
    - Add support for Intel's Jasper Lake to LPSS PCI
 
  - New Functionality
    - Add support for Power Key to ROHM BD71828
    - Add support for Clocks to ROHM BD71828
    - Add support for GPIOs to Dialog DA9062
    - Add support for USB PD Notify to ChromiumOS EC
    - Allow callers to specify args when requesting regmap lookup; syscon
 
  - Fix-ups
    - Improve error handling and sanity checking; atmel-hlcdc, dln2
    - Device Tree support/documentation; bd71828, da9062, xylon,logicvc,
                                         ab8500, max14577, atmel-usart
    - Match devices using platform IDs; bd7xxxx
    - Refactor BD718x7 regulator component; bd718x7-regulator
    - Use standard interfaces/helpers; syscon, sm501
    - Trivial (whitespace, spelling, etc); ab8500-core, Kconfig
    - Remove unused code; db8500-prcmu, tqmx86
    - Wait until boot has finished before accessing registers; madera-core
    - Provide missing register value defaults; cs47l15-tables
    - Allow more time for hardware to reset; madera-core
 
  - Bug Fixes
    - Fix erroneous register values; rohm-bd70528
    - Fix register volatility; axp20x, rn5t618
    - Fix Kconfig dependencies; MFD_MAX77650
    - Fix incorrect compatible string; da9062-core
    - Fix syscon_regmap_lookup_by_phandle_args() stub; syscon
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Merge tag 'mfd-next-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "New Drivers:
   - Add support for ROHM BD71828 PMICs and GPIOs
   - Add support for Qualcomm Aqstic Audio Codecs WCD9340 and WCD9341

  New Device Support:
   - Add support for BD71828 to BD70528 RTC driver
   - Add support for Intel's Jasper Lake to LPSS PCI

  New Functionality:
   - Add support for Power Key to ROHM BD71828
   - Add support for Clocks to ROHM BD71828
   - Add support for GPIOs to Dialog DA9062
   - Add support for USB PD Notify to ChromiumOS EC
   - Allow callers to specify args when requesting regmap lookup; syscon

  Fix-ups:
   - Improve error handling and sanity checking; atmel-hlcdc, dln2
   - Device Tree support/documentation; bd71828, da9062, xylon,logicvc,
     ab8500, max14577, atmel-usart
   - Match devices using platform IDs; bd7xxxx
   - Refactor BD718x7 regulator component; bd718x7-regulator
   - Use standard interfaces/helpers; syscon, sm501
   - Trivial (whitespace, spelling, etc); ab8500-core, Kconfig
   - Remove unused code; db8500-prcmu, tqmx86
   - Wait until boot has finished before accessing registers;
     madera-core
   - Provide missing register value defaults; cs47l15-tables
   - Allow more time for hardware to reset; madera-core

  Bug Fixes:
   - Fix erroneous register values; rohm-bd70528
   - Fix register volatility; axp20x, rn5t618
   - Fix Kconfig dependencies; MFD_MAX77650
   - Fix incorrect compatible string; da9062-core
   - Fix syscon_regmap_lookup_by_phandle_args() stub; syscon"

* tag 'mfd-next-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (41 commits)
  mfd: syscon: Fix syscon_regmap_lookup_by_phandle_args() dummy
  mfd: wcd934x: Add support to wcd9340/wcd9341 codec
  mfd: syscon: Add arguments support for syscon reference
  mfd: rn5t618: Mark ADC control register volatile
  dt-bindings: atmel-usart: Add microchip,sam9x60-{usart, dbgu}
  dt-bindings: atmel-usart: Remove wildcard
  mfd: cros_ec: Add cros-usbpd-notify subdevice
  mfd: da9062: Fix watchdog compatible string
  mfd: madera: Allow more time for hardware reset
  mfd: cs47l15: Add missing register default
  mfd: madera: Wait for boot done before accessing any other registers
  mfd: Kconfig: Rename Samsung to lowercase
  mfd: tqmx86: remove set but not used variable 'i2c_ien'
  mfd: dbx500-prcmu: Drop DSI pll clock functions
  mfd: dbx500-prcmu: Drop set_display_clocks()
  mfd: max77650: Select REGMAP_IRQ in Kconfig
  mfd: axp20x: Mark AXP20X_VBUS_IPSOUT_MGMT as volatile
  mfd: ab8500: Fix ab8500-clk typo
  mfd: intel-lpss: Add Intel Jasper Lake PCI IDs
  dt-bindings: mfd: max14577: Add reference to max14040_battery.txt descriptions
  ...
2020-02-03 14:51:57 +00:00
Linus Torvalds
d0fa925031 - Most of the commits here are work to enable host-initiated hibernation
support by Dexuan Cui.
 - Fix for a warning shown when host sends non-aligned balloon requests
 by Tianyu Lan.
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Merge tag 'hyperv-next-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux

Pull Hyper-V updates from Sasha Levin:

 - Most of the commits here are work to enable host-initiated
   hibernation support by Dexuan Cui.

 - Fix for a warning shown when host sends non-aligned balloon requests
   by Tianyu Lan.

* tag 'hyperv-next-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
  hv_utils: Add the support of hibernation
  hv_utils: Support host-initiated hibernation request
  hv_utils: Support host-initiated restart request
  Tools: hv: Reopen the devices if read() or write() returns errors
  video: hyperv: hyperv_fb: Use physical memory for fb on HyperV Gen 1 VMs.
  Drivers: hv: vmbus: Ignore CHANNELMSG_TL_CONNECT_RESULT(23)
  video: hyperv_fb: Fix hibernation for the deferred IO feature
  Input: hyperv-keyboard: Add the support of hibernation
  hv_balloon: Balloon up according to request page number
2020-02-03 14:42:03 +00:00
Geert Uytterhoeven
5312f321a6 mfd: syscon: Fix syscon_regmap_lookup_by_phandle_args() dummy
If CONFIG_MFD_SYSCON=n:

    include/linux/mfd/syscon.h:54:23: warning: ‘syscon_regmap_lookup_by_phandle_args’ defined but not used [-Wunused-function]

Fix this by adding the missing inline keyword.

Fixes: 6a24f567af ("mfd: syscon: Add arguments support for syscon reference")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2020-02-03 08:39:49 +00:00
Linus Torvalds
46d6b7becb Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
Pull sparc fix from David Miller:
 "adjtimex regression fix from Arnd"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
  sparc64: fix adjtimex regression
2020-02-02 11:50:58 -08:00
Linus Torvalds
545ae66582 LED updates for 5.6-rc1.
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Merge tag 'leds-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds

Pull LED updates from Pavel Machek:

 - New driver for TI TPS6105X

 - Add managed API to get a LED from a device driver

 - Misc fixes and updates

* tag 'leds-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds: (22 commits)
  leds: lm3692x: Disable chip on brightness 0
  leds: lm3692x: Split out lm3692x_leds_disable
  leds: lm3692x: Move lm3692x_init and rename to lm3692x_leds_enable
  leds: lm3692x: Make sure we don't exceed the maximum LED current
  dt: bindings: lm3692x: Add led-max-microamp property
  leds: lm3692x: Allow to configure over voltage protection
  dt: bindings: lm3692x: Add ti,ovp-microvolt property
  leds: populate the device's of_node
  leds: Add managed API to get a LED from a device driver
  leds: Add of_led_get() and led_put()
  leds: lm3532: add pointer to documentation and fix typo
  leds: lm3532: use extended registration so that LED can be used for backlight
  leds: lm3642: remove warnings for bad strtol, cleanup gotos
  leds: rb532: cleanup whitespace
  ledtrig-pattern: fix email address quoting in MODULE_AUTHOR()
  dt-bindings: mfd: update TI tps6105x chip bindings
  leds: tps6105x: add driver for MFD chip LED mode
  led: max77650: add of_match table
  leds: bd2802: Convert to use GPIO descriptors
  leds: pca963x: Fix open-drain initialization
  ...
2020-02-02 11:48:46 -08:00
Linus Torvalds
15f8e73355 Merge branch 'pcmcia-next' of git://git.kernel.org/pub/scm/linux/kernel/git/brodo/linux
Pull pcmcia updates from Dominik Brodowski:
 "This is a series co-developed by Simon Geis and Lukas Panzer to clean
  up the i82092 PCMCIA device driver"

* 'pcmcia-next' of git://git.kernel.org/pub/scm/linux/kernel/git/brodo/linux:
  PCMCIA/i82092: remove #if 0 block
  PCMCIA/i82092: delete enter/leave macro
  PCMCIA/i82092: include <linux/io.h> instead of <asm/io.h>
  PCMCIA/i82092: shorten the lines with over 80 characters
  PCMCIA/i82092: move assignment out of if condition
  PCMCIA/i82092: change code indentation
  PCMCIA/i82092: insert blank line after declarations
  PCMCIA/i82092: remove braces around single statement blocks
  PCMCIA/i82092: add/remove spaces to improve readability
  PCMCIA/i82092: use dev_<level> instead of printk
2020-02-02 11:31:52 -08:00
Josef Bacik
d55966c427 btrfs: do not zero f_bavail if we have available space
There was some logic added a while ago to clear out f_bavail in statfs()
if we did not have enough free metadata space to satisfy our global
reserve.  This was incorrect at the time, however didn't really pose a
problem for normal file systems because we would often allocate chunks
if we got this low on free metadata space, and thus wouldn't really hit
this case unless we were actually full.

Fast forward to today and now we are much better about not allocating
metadata chunks all of the time.  Couple this with d792b0f197 ("btrfs:
always reserve our entire size for the global reserve") which now means
we'll easily have a larger global reserve than our free space, we are
now more likely to trip over this while still having plenty of space.

Fix this by skipping this logic if the global rsv's space_info is not
full.  space_info->full is 0 unless we've attempted to allocate a chunk
for that space_info and that has failed.  If this happens then the space
for the global reserve is definitely sacred and we need to report
b_avail == 0, but before then we can just use our calculated b_avail.

Reported-by: Martin Steigerwald <martin@lichtvoll.de>
Fixes: ca8a51b3a9 ("btrfs: statfs: report zero available if metadata are exhausted")
CC: stable@vger.kernel.org # 4.5+
Reviewed-by: Qu Wenruo <wqu@suse.com>
Tested-By: Martin Steigerwald <martin@lichtvoll.de>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
2020-02-02 18:49:32 +01:00
Arnd Bergmann
11648b8339 sparc64: fix adjtimex regression
Anatoly Pugachev reported one of the y2038 patches to introduce
a fatal bug from a stupid typo:

[   96.384129] watchdog: BUG: soft lockup - CPU#8 stuck for 22s!
...
[   96.385624]  [0000000000652ca4] handle_mm_fault+0x84/0x320
[   96.385668]  [0000000000b6f2bc] do_sparc64_fault+0x43c/0x820
[   96.385720]  [0000000000407754] sparc64_realfault_common+0x10/0x20
[   96.385769]  [000000000042fa28] __do_sys_sparc_clock_adjtime+0x28/0x80
[   96.385819]  [00000000004307f0] sys_sparc_clock_adjtime+0x10/0x20
[   96.385866]  [0000000000406294] linux_sparc_syscall+0x34/0x44

Fix the code to dereference the correct pointer again.

Reported-by: Anatoly Pugachev <matorola@gmail.com>
Tested-by: Anatoly Pugachev <matorola@gmail.com>
Fixes: 251ec1c159 ("y2038: sparc: remove use of struct timex")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-02 11:54:41 +01:00
Linus Torvalds
94f2630b18 Small SMB3 fix for stable (fixes problem with soft mounts)
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Merge tag '5.6-rc-small-smb3-fix-for-stable' of git://git.samba.org/sfrench/cifs-2.6

Pull cifs fix from Steve French:
 "Small SMB3 fix for stable (fixes problem with soft mounts)"

* tag '5.6-rc-small-smb3-fix-for-stable' of git://git.samba.org/sfrench/cifs-2.6:
  cifs: update internal module version number
  cifs: fix soft mounts hanging in the reconnect code
2020-02-01 11:22:41 -08:00
Al Viro
6404674acd vfs: fix do_last() regression
Brown paperbag time: fetching ->i_uid/->i_mode really should've been
done from nd->inode.  I even suggested that, but the reason for that has
slipped through the cracks and I went for dir->d_inode instead - made
for more "obvious" patch.

Analysis:

 - at the entry into do_last() and all the way to step_into(): dir (aka
   nd->path.dentry) is known not to have been freed; so's nd->inode and
   it's equal to dir->d_inode unless we are already doomed to -ECHILD.
   inode of the file to get opened is not known.

 - after step_into(): inode of the file to get opened is known; dir
   might be pointing to freed memory/be negative/etc.

 - at the call of may_create_in_sticky(): guaranteed to be out of RCU
   mode; inode of the file to get opened is known and pinned; dir might
   be garbage.

The last was the reason for the original patch.  Except that at the
do_last() entry we can be in RCU mode and it is possible that
nd->path.dentry->d_inode has already changed under us.

In that case we are going to fail with -ECHILD, but we need to be
careful; nd->inode is pointing to valid struct inode and it's the same
as nd->path.dentry->d_inode in "won't fail with -ECHILD" case, so we
should use that.

Reported-by: "Rantala, Tommi T. (Nokia - FI/Espoo)" <tommi.t.rantala@nokia.com>
Reported-by: syzbot+190005201ced78a74ad6@syzkaller.appspotmail.com
Wearing-brown-paperbag: Al Viro <viro@zeniv.linux.org.uk>
Cc: stable@kernel.org
Fixes: d0cb50185a ("do_last(): fetch directory ->i_mode and ->i_uid before it's too late")
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-02-01 10:36:49 -08:00
Linus Torvalds
14cd0bd049 Kconfig updates for v5.6
- add 'yes2modconfig' and 'mod2yesconfig' targets
 
  - sanitize help text
 
  - various code cleanups
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Merge tag 'kconfig-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kconfig updates from Masahiro Yamada:

 - add 'yes2modconfig' and 'mod2yesconfig' targets (useful mainly for
   turning syzbot configs into more modular ones as a step to minimizing
   the result)

 - sanitize help text

 - various code cleanups

* tag 'kconfig-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  kconfig: fix documentation typos
  kconfig: fix an "implicit declaration of function" warning
  kconfig: fix nesting of symbol help text
  kconfig: distinguish between dependencies and visibility in help text
  kconfig: list all definitions of a symbol in help text
  kconfig: Add yes2modconfig and mod2yesconfig targets.
  kconfig: use $(PERL) in Makefile
  kconfig: fix too deep indentation in Makefile
  kconfig: localmodconfig: fix indentation for closing brace
  kconfig: localmodconfig: remove unused $config
  kconfig: squash prop_alloc() into menu_add_prop()
  kconfig: remove sym from struct property
  kconfig: remove 'prompt' argument from menu_add_prop()
  kconfig: move prompt handling to menu_add_prompt() from menu_add_prop()
  kconfig: remove 'prompt' symbol
  kconfig: drop T_WORD from the RHS of 'prompt' symbol
  kconfig: use parent->dep as the parentdep of 'menu'
  kconfig: remove the rootmenu check in menu_add_prop()
2020-02-01 10:25:55 -08:00
Linus Torvalds
368d060bb4 Kbuild updates for v5.6
- detect missing include guard in UAPI headers
 
  - do not create orphan built-in.a or obj-y objects
 
  - generate modules.builtin more simply, and drop tristate.conf
 
  - simplify built-in initramfs creation
 
  - make linux-headers deb package thinner
 
  - optimize the deb package build script
 
  - misc cleanups
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Merge tag 'kbuild-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild updates from Masahiro Yamada:

 - detect missing include guard in UAPI headers

 - do not create orphan built-in.a or obj-y objects

 - generate modules.builtin more simply, and drop tristate.conf

 - simplify built-in initramfs creation

 - make linux-headers deb package thinner

 - optimize the deb package build script

 - misc cleanups

* tag 'kbuild-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (34 commits)
  builddeb: split libc headers deployment out into a function
  builddeb: split kernel headers deployment out into a function
  builddeb: remove redundant make for ARCH=um
  builddeb: avoid invoking sub-shells where possible
  builddeb: remove redundant $objtree/
  builddeb: match temporary directory name to the package name
  builddeb: remove unneeded files in hdrobjfiles for headers package
  kbuild: use -S instead of -E for precise cc-option test in Kconfig
  builddeb: allow selection of .deb compressor
  kbuild: remove 'Building modules, stage 2.' log
  kbuild: remove *.tmp file when filechk fails
  kbuild: remove PYTHON2 variable
  modpost: assume STT_SPARC_REGISTER is defined
  gen_initramfs.sh: remove intermediate cpio_list on errors
  initramfs: refactor the initramfs build rules
  gen_initramfs.sh: always output cpio even without -o option
  initramfs: add default_cpio_list, and delete -d option support
  initramfs: generate dependency list and cpio at the same time
  initramfs: specify $(src)/gen_initramfs.sh as a prerequisite in Makefile
  initramfs: make initramfs compression choice non-optional
  ...
2020-02-01 10:01:52 -08:00
Linus Torvalds
acd77500aa Change /dev/random so that it uses the CRNG and only blocking if the
CRNG hasn't initialized, instead of the old blocking pool.  Also clean
 up archrandom.h, and some other miscellaneous cleanups.
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Merge tag 'random_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random

Pull random changes from Ted Ts'o:
 "Change /dev/random so that it uses the CRNG and only blocking if the
  CRNG hasn't initialized, instead of the old blocking pool. Also clean
  up archrandom.h, and some other miscellaneous cleanups"

* tag 'random_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random: (24 commits)
  s390x: Mark archrandom.h functions __must_check
  powerpc: Mark archrandom.h functions __must_check
  powerpc: Use bool in archrandom.h
  x86: Mark archrandom.h functions __must_check
  linux/random.h: Mark CONFIG_ARCH_RANDOM functions __must_check
  linux/random.h: Use false with bool
  linux/random.h: Remove arch_has_random, arch_has_random_seed
  s390: Remove arch_has_random, arch_has_random_seed
  powerpc: Remove arch_has_random, arch_has_random_seed
  x86: Remove arch_has_random, arch_has_random_seed
  random: remove some dead code of poolinfo
  random: fix typo in add_timer_randomness()
  random: Add and use pr_fmt()
  random: convert to ENTROPY_BITS for better code readability
  random: remove unnecessary unlikely()
  random: remove kernel.random.read_wakeup_threshold
  random: delete code to pull data into pools
  random: remove the blocking pool
  random: make /dev/random be almost like /dev/urandom
  random: ignore GRND_RANDOM in getentropy(2)
  ...
2020-02-01 09:48:37 -08:00
Dmitry Torokhov
b19efcabb5 Merge branch 'next' into for-linus
Prepare input updates for 5.6 merge window.
2020-01-31 17:42:33 -08:00
Lucas Stach
c5ccf2ad3d Input: synaptics-rmi4 - switch to reduced reporting mode
When the distance thresholds are set the controller must be in reduced
reporting mode for them to have any effect on the interrupt generation.
This has a potentially large impact on the number of events the host
needs to process.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Andrew Duggan <aduggan@synaptics.com>
Link: https://lore.kernel.org/r/20200120111628.18376-1-l.stach@pengutronix.de
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2020-01-31 17:39:22 -08:00
Linus Torvalds
26dca6dbd6 pci-v5.6-changes
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Merge tag 'pci-v5.6-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI updates from Bjorn Helgaas:

 "Resource management:

   - Improve resource assignment for hot-added nested bridges, e.g.,
     Thunderbolt (Nicholas Johnson)

  Power management:

   - Optionally print config space of devices before suspend (Chen Yu)

   - Increase D3 delay for AMD Ryzen5/7 XHCI controllers (Daniel Drake)

  Virtualization:

   - Generalize DMA alias quirks (James Sewart)

   - Add DMA alias quirk for PLX PEX NTB (James Sewart)

   - Fix IOV memory leak (Navid Emamdoost)

  AER:

   - Log which device prevents error recovery (Yicong Yang)

  Peer-to-peer DMA:

   - Whitelist Intel SkyLake-E (Armen Baloyan)

  Broadcom iProc host bridge driver:

   - Apply PAXC quirk whether driver is built-in or module (Wei Liu)

  Broadcom STB host bridge driver:

   - Add Broadcom STB PCIe host controller driver (Jim Quinlan)

  Intel Gateway SoC host bridge driver:

   - Add driver for Intel Gateway SoC (Dilip Kota)

  Intel VMD host bridge driver:

   - Add support for DMA aliases on other buses (Jon Derrick)

   - Remove dma_map_ops overrides (Jon Derrick)

   - Remove now-unused X86_DEV_DMA_OPS (Christoph Hellwig)

  NVIDIA Tegra host bridge driver:

   - Fix Tegra30 afi_pex2_ctrl register offset (Marcel Ziswiler)

  Panasonic UniPhier host bridge driver:

   - Remove module code since driver can't be built as a module
     (Masahiro Yamada)

  Qualcomm host bridge driver:

   - Add support for SDM845 PCIe controller (Bjorn Andersson)

  TI Keystone host bridge driver:

   - Fix "num-viewport" DT property error handling (Kishon Vijay Abraham I)

   - Fix link training retries initiation (Yurii Monakov)

   - Fix outbound region mapping (Yurii Monakov)

  Misc:

   - Add Switchtec Gen4 support (Kelvin Cao)

   - Add Switchtec Intercomm Notify and Upstream Error Containment
     support (Logan Gunthorpe)

   - Use dma_set_mask_and_coherent() since Switchtec supports 64-bit
     addressing (Wesley Sheng)"

* tag 'pci-v5.6-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (60 commits)
  PCI: Allow adjust_bridge_window() to shrink resource if necessary
  PCI: Set resource size directly in adjust_bridge_window()
  PCI: Rename extend_bridge_window() to adjust_bridge_window()
  PCI: Rename extend_bridge_window() parameter
  PCI: Consider alignment of hot-added bridges when assigning resources
  PCI: Remove local variable usage in pci_bus_distribute_available_resources()
  PCI: Pass size + alignment to pci_bus_distribute_available_resources()
  PCI: Rename variables
  PCI: vmd: Add two VMD Device IDs
  PCI: Remove unnecessary braces
  PCI: brcmstb: Add MSI support
  PCI: brcmstb: Add Broadcom STB PCIe host controller driver
  x86/PCI: Remove X86_DEV_DMA_OPS
  PCI: vmd: Remove dma_map_ops overrides
  iommu/vt-d: Remove VMD child device sanity check
  iommu/vt-d: Use pci_real_dma_dev() for mapping
  PCI: Introduce pci_real_dma_dev()
  x86/PCI: Expose VMD's pci_dev in struct pci_sysdata
  x86/PCI: Add to_pci_sysdata() helper
  PCI/AER: Initialize aer_fifo
  ...
2020-01-31 14:48:54 -08:00
Linus Torvalds
846de71bed media updates for v5.6-rc1
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Merge tag 'media/v5.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media updates from Mauro Carvalho Chehab:

 - New staging driver for Rockship ISPv1 unit

 - New staging driver for Rockchip MIPI Synopsys DPHY RX0

 - y2038 fixes at V4L2 API (backward-compatible)

 - A dvb core fix when receiving invalid EIT sections

 - Some clang-specific warnings got fixed

 - Added support for touch V4L2 interface at vivid

 - Several drivers were converted to use the new
   i2c_new_scanned_device() kAPI

 - Added sm1 support at meson's vdec driver

 - Several other driver cleanups, fixes and improvements

* tag 'media/v5.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (207 commits)
  media: staging/intel-ipu3: remove TODO item about acronyms
  media: v4l2-fwnode: Print the node name while parsing endpoints
  media: Revert "media: staging/intel-ipu3: make imgu use fixed running mode"
  media: mt9v111: constify copied structure
  media: platform: VIDEO_MEDIATEK_JPEG can also depend on MTK_IOMMU
  media: uvcvideo: Add a quirk to force GEO GC6500 Camera bits-per-pixel value
  media: uvcvideo: Avoid cyclic entity chains due to malformed USB descriptors
  media: hantro: fix post-processing NULL pointer dereference
  media: rcar-vin: Use correct pixel format when aligning format
  media: MAINTAINERS: add entry for Rockchip ISP1 driver
  media: staging: rkisp1: add TODO file for staging
  media: staging: rkisp1: add document for rkisp1 meta buffer format
  media: staging: rkisp1: add output device for parameters
  media: staging: rkisp1: add capture device for statistics
  media: staging: rkisp1: add user space ABI definitions
  media: staging: rkisp1: add streaming paths
  media: staging: rkisp1: add Rockchip ISP1 base driver
  media: staging: phy-rockchip-dphy-rx0: add Rockchip MIPI Synopsys DPHY RX0 driver
  media: staging: dt-bindings: add Rockchip MIPI RX D-PHY RX0 yaml bindings
  media: staging: dt-bindings: add Rockchip ISP1 yaml bindings
  ...
2020-01-31 14:43:23 -08:00
Linus Torvalds
8fdd4019bc RDMA subsystem updates for 5.6
- Driver updates and cleanup for qedr, bnxt_re, hns, siw, mlx5, mlx4, rxe,
   i40iw
 
 - Larger series doing cleanup and rework for hns and hfi1.
 
 - Some general reworking of the CM code to make it a little more
   understandable
 
 - Unify the different code paths connected to the uverbs FD scheme
 
 - New UAPI ioctls conversions for get context and get async fd
 
 - Trace points for CQ and CM portions of the RDMA stack
 
 - mlx5 driver support for virtio-net formatted rings as RDMA raw ethernet QPs
 
 - verbs support for setting the PCI-E relaxed ordering bit on DMA traffic
   connected to a MR
 
 - A couple of bug fixes that came too late to make rc7
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma

Pull rdma updates from Jason Gunthorpe:
 "A very quiet cycle with few notable changes. Mostly the usual list of
  one or two patches to drivers changing something that isn't quite rc
  worthy. The subsystem seems to be seeing a larger number of rework and
  cleanup style patches right now, I feel that several vendors are
  prepping their drivers for new silicon.

  Summary:

   - Driver updates and cleanup for qedr, bnxt_re, hns, siw, mlx5, mlx4,
     rxe, i40iw

   - Larger series doing cleanup and rework for hns and hfi1.

   - Some general reworking of the CM code to make it a little more
     understandable

   - Unify the different code paths connected to the uverbs FD scheme

   - New UAPI ioctls conversions for get context and get async fd

   - Trace points for CQ and CM portions of the RDMA stack

   - mlx5 driver support for virtio-net formatted rings as RDMA raw
     ethernet QPs

   - verbs support for setting the PCI-E relaxed ordering bit on DMA
     traffic connected to a MR

   - A couple of bug fixes that came too late to make rc7"

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (108 commits)
  RDMA/core: Make the entire API tree static
  RDMA/efa: Mask access flags with the correct optional range
  RDMA/cma: Fix unbalanced cm_id reference count during address resolve
  RDMA/umem: Fix ib_umem_find_best_pgsz()
  IB/mlx4: Fix leak in id_map_find_del
  IB/opa_vnic: Spelling correction of 'erorr' to 'error'
  IB/hfi1: Fix logical condition in msix_request_irq
  RDMA/cm: Remove CM message structs
  RDMA/cm: Use IBA functions for complex structure members
  RDMA/cm: Use IBA functions for simple structure members
  RDMA/cm: Use IBA functions for swapping get/set acessors
  RDMA/cm: Use IBA functions for simple get/set acessors
  RDMA/cm: Add SET/GET implementations to hide IBA wire format
  RDMA/cm: Add accessors for CM_REQ transport_type
  IB/mlx5: Return the administrative GUID if exists
  RDMA/core: Ensure that rdma_user_mmap_entry_remove() is a fence
  IB/mlx4: Fix memory leak in add_gid error flow
  IB/mlx5: Expose RoCE accelerator counters
  RDMA/mlx5: Set relaxed ordering when requested
  RDMA/core: Add the core support field to METHOD_GET_CONTEXT
  ...
2020-01-31 14:40:36 -08:00
Linus Torvalds
68b62e5d96 - Fix a SEVERE docs build failure for cpu idle cooling device (Randy Dunlap)
- Fix a spelling mistake in the error message for the stm32 (Colin Ian King)
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Merge tag 'thermal-v5.6-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux

Pull thermal fixes from Daniel Lezcano:

 - Fix a severe docs build failure for cpu idle cooling device (Randy
   Dunlap)

 - Fix a spelling mistake in the error message for the stm32 (Colin Ian
   King)

* tag 'thermal-v5.6-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux:
  thermal: stm32: fix spelling mistake "preprare" -> "prepare"
  Documentation: cpu-idle-cooling: fix a SEVERE docs build failure
2020-01-31 14:39:21 -08:00
Linus Torvalds
ffda81b69f More ACPI updates for 5.6-rc1
Fix up MAINTAINERS entires related to ACPI (Andy Shevchenko).
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Merge tag 'acpi-5.6-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull more ACPI updates from Rafael Wysocki:
 "Fix up MAINTAINERS entires related to ACPI (Andy Shevchenko)"

* tag 'acpi-5.6-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  MAINTAINERS: Sort entries in database for X-POWERS AXP288
  MAINTAINERS: Sort entries in database for ACPICA
  MAINTAINERS: Sort entries in database for ACPI
2020-01-31 14:38:17 -08:00
Linus Torvalds
cf3c8f84d1 More power manadement updates for 5.6-rc1
Prevent cpufreq from creating excessively large stack frames and fix
 the handling of devices deleted during system-wide resume in the PM
 core (Rafael Wysocki), revert a problematic commit affecting the
 cpupower utility and correct its man page (Thomas Renninger,
 Brahadambal Srinivasan), and improve the intel_pstate_tracer
 utility (Doug Smythies).
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Merge tag 'pm-5.6-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull more power manadement updates from Rafael Wysocki:
 "Prevent cpufreq from creating excessively large stack frames and fix
  the handling of devices deleted during system-wide resume in the PM
  core (Rafael Wysocki), revert a problematic commit affecting the
  cpupower utility and correct its man page (Thomas Renninger,
  Brahadambal Srinivasan), and improve the intel_pstate_tracer utility
  (Doug Smythies)"

* tag 'pm-5.6-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  tools/power/x86/intel_pstate_tracer: change several graphs to autoscale y-axis
  tools/power/x86/intel_pstate_tracer: changes for python 3 compatibility
  Correction to manpage of cpupower
  cpufreq: Avoid creating excessively large stack frames
  PM: core: Fix handling of devices deleted during system-wide resume
  cpupower: Revert library ABI changes from commit ae2917093f
2020-01-31 14:36:35 -08:00
Stephen Boyd
db865ee447 Merge branches 'clk-imx', 'clk-ti', 'clk-xilinx', 'clk-nvidia', 'clk-qcom', 'clk-freescale' and 'clk-qoriq' into clk-next
- Support for Xilinx Versal platform clks
 - Display clk controller on qcom sc7180
 - Video clk controller on qcom sc7180
 - Graphics clk controller on qcom sc7180
 - CPU PLLs for qcom msm8916
 - Fixes for clk controllers on qcom msm8998 SoCs
 - Move qcom msm8974 gfx3d clk to RPM control
 - Display port clk support on qcom sdm845 SoCs
 - Global clk controller on qcom ipq6018
 - Adjust composite clk to new way of describing clk parents
 - Add a driver for BCLK of Freescale SAI cores

* clk-imx: (32 commits)
  clk: imx: Add support for i.MX8MP clock driver
  dt-bindings: imx: Add clock binding doc for i.MX8MP
  clk: imx: gate4: Switch imx_clk_gate4_flags() to clk_hw based API
  clk: imx: imx8mq: Switch to clk_hw based API
  clk: imx: imx8mm: Switch to clk_hw based API
  clk: imx: imx8mn: Switch to clk_hw based API
  clk: imx: Remove __init for imx_obtain_fixed_clk_hw() API
  clk: imx: gate3: Switch to clk_hw based API
  clk: imx: add hw API imx_clk_hw_mux2_flags
  clk: imx: add imx_unregister_hw_clocks
  clk: imx: clk-composite-8m: Switch to clk_hw based API
  clk: imx: clk-pll14xx: Switch to clk_hw based API
  clk: imx7up: Rename the clks to hws
  clk: imx: Rename the imx_clk_divider_gate to imply it's clk_hw based
  clk: imx: Rename the imx_clk_pfdv2 to imply it's clk_hw based
  clk: imx: Rename the imx_clk_pllv4 to imply it's clk_hw based
  clk: imx: Rename sccg and frac pll register to suggest clk_hw
  clk: imx: imx7ulp composite: Rename to show is clk_hw based
  clk: imx: pllv2: Switch to clk_hw based API
  clk: imx: pllv1: Switch to clk_hw based API
  ...

* clk-ti:
  clk: ti: clkctrl: Fix hidden dependency to node name
  clk: ti: add clkctrl data dra7 sgx
  clk: ti: omap5: Add missing AESS clock
  clk: ti: dra7: fix parent for gmac_clkctrl
  clk: ti: dra7: add vpe clkctrl data
  clk: ti: dra7: add cam clkctrl data
  dt-bindings: clock: Move ti-dra7-atl.h to dt-bindings/clock

* clk-xilinx:
  clk: zynqmp: Add support for clock with CLK_DIVIDER_POWER_OF_TWO flag
  clk: zynqmp: Fix divider calculation
  clk: zynqmp: Add support for get max divider
  clk: zynqmp: Warn user if clock user are more than allowed
  clk: zynqmp: Extend driver for versal
  dt-bindings: clock: Add bindings for versal clock driver

* clk-nvidia:
  clk: tegra20/30: Explicitly set parent clock for Video Decoder
  clk: tegra20/30: Don't pre-initialize displays parent clock
  clk: tegra: divider: Check UART's divider enable-bit state on rate's recalculation
  clk: tegra: clk-dfll: Remove call to pm_runtime_irq_safe()
  clk: tegra: Mark fuse clock as critical

* clk-qcom: (35 commits)
  clk: qcom: rpmh: Sort OF match table
  dt-bindings: fix warnings in validation of qcom,gcc.yaml
  dt-binding: fix compilation error of the example in qcom,gcc.yaml
  clk: qcom: Add ipq6018 Global Clock Controller support
  clk: qcom: Add DT bindings for ipq6018 gcc clock controller
  clk: qcom: gcc-msm8996: Fix parent for CLKREF clocks
  clk: qcom: rpmh: Add IPA clock for SC7180
  clk: qcom: rpmh: skip undefined clocks when registering
  clk: qcom: Add video clock controller driver for SC7180
  dt-bindings: clock: Introduce SC7180 QCOM Video clock bindings
  dt-bindings: clock: Add YAML schemas for the QCOM VIDEOCC clock bindings
  clk: qcom: Add graphics clock controller driver for SC7180
  dt-bindings: clock: Introduce SC7180 QCOM Graphics clock bindings
  dt-bindings: clock: Add YAML schemas for the QCOM GPUCC clock bindings
  clk: qcom: apcs-msm8916: use clk_parent_data to specify the parent
  clk: qcom: Add display clock controller driver for SC7180
  dt-bindings: clock: Introduce QCOM sc7180 display clock bindings
  dt-bindings: clock: Add YAML schemas for the QCOM DISPCC clock bindings
  clk: qcom: clk-alpha-pll: Add support for Fabia PLL calibration
  clk: qcom: alpha-pll: Remove useless read from set rate
  ...

* clk-freescale:
  clk: fsl-sai: new driver
  dt-bindings: clock: document the fsl-sai driver
  clk: composite: add _register_composite_pdata() variants

* clk-qoriq:
  clk: qoriq: add ls1088a hwaccel clocks support
  clk: ls1028a: Add clock driver for Display output interface
  dt/bindings: clk: Add YAML schemas for LS1028A Display Clock bindings
2020-01-31 13:14:26 -08:00
Steve French
b581098482 cifs: update internal module version number
To 2.25

Signed-off-by: Steve French <stfrench@microsoft.com>
2020-01-31 15:13:22 -06:00
Stephen Boyd
6e7a9f0c4e Merge branches 'clk-debugfs-danger', 'clk-basic-hw', 'clk-renesas', 'clk-amlogic' and 'clk-allwinner' into clk-next
- Support dangerous debugfs actions on clks with dead code
 - Convert gpio, fixed-factor, mux, gate, divider basic clks to hw based APIs

* clk-debugfs-danger:
  clk: Add support for setting clk_rate via debugfs

* clk-basic-hw:
  clk: divider: Add support for specifying parents via DT/pointers
  clk: gate: Add support for specifying parents via DT/pointers
  clk: mux: Add support for specifying parents via DT/pointers
  clk: asm9260: Use parent accuracy in fixed rate clk
  clk: fixed-rate: Document that accuracy isn't a rate
  clk: fixed-rate: Add clk flags for parent accuracy
  clk: fixed-rate: Add support for specifying parents via DT/pointers
  clk: fixed-rate: Document accuracy member
  clk: fixed-rate: Move to_clk_fixed_rate() to C file
  clk: fixed-rate: Remove clk_register_fixed_rate_with_accuracy()
  clk: fixed-rate: Convert to clk_hw based APIs
  clk: gpio: Use DT way of specifying parents

* clk-renesas:
  clk: renesas: Prepare for split of R-Car H3 config symbol
  dt-bindings: clock: renesas: cpg-mssr: Fix r8a774b1 typo
  clk: renesas: r7s9210: Add SPIBSC clock
  clk: renesas: rcar-gen3: Allow changing the RPC[D2] clocks
  clk: renesas: Remove use of ARCH_R8A7796
  clk: renesas: rcar-gen2: Change multipliers and dividers to u8

* clk-amlogic:
  clk: clarify that clk_set_rate() does updates from top to bottom
  clk: meson: meson8b: make the CCF use the glitch-free mali mux
  clk: meson: pll: Fix by 0 division in __pll_params_to_rate()
  clk: meson: g12a: fix missing uart2 in regmap table
  clk: meson: meson8b: use of_clk_hw_register to register the clocks
  clk: meson: meson8b: don't register the XTAL clock when provided via OF
  clk: meson: meson8b: change references to the XTAL clock to use [fw_]name
  clk: meson: meson8b: use clk_hw_set_parent in the CPU clock notifier
  clk: meson: add a driver for the Meson8/8b/8m2 DDR clock controller
  dt-bindings: clock: meson8b: add the clock inputs
  dt-bindings: clock: add the Amlogic Meson8 DDR clock controller binding

* clk-allwinner:
  clk: sunxi: a23/a33: Export the MIPI PLL
  clk: sunxi: a31: Export the MIPI PLL
  clk: sunxi-ng: a64: export CLK_CPUX clock for DVFS
  clk: sunxi-ng: add mux and pll notifiers for A64 CPU clock
  clk: sunxi-ng: r40: Export MBUS clock
  clk: sunxi: use of_device_get_match_data
2020-01-31 13:12:14 -08:00
Stephen Boyd
36bf7a5bdd Merge branches 'clk-uniphier', 'clk-warn-critical', 'clk-ux500', 'clk-kconfig' and 'clk-at91' into clk-next
- Warn about critical clks that fail to enable or prepare
 - Detect more PRMCU variants in ux500 driver

* clk-uniphier:
  clk: uniphier: Add SCSSI clock gate for each channel

* clk-warn-critical:
  clk: Warn about critical clks that fail to enable
  clk: Don't try to enable critical clocks if prepare failed
  clk: tegra: Fix double-free in tegra_clk_init()
  clk: samsung: exynos5420: Keep top G3D clocks enabled
  clk: qcom: Avoid SMMU/cx gdsc corner cases
  clk: qcom: gcc-sc7180: Fix setting flag for votable GDSCs
  clk: Move clk_core_reparent_orphans() under CONFIG_OF
  clk: at91: fix possible deadlock
  clk: walk orphan list on clock provider registration
  clk: imx: pll14xx: fix clk_pll14xx_wait_lock
  clk: imx: clk-imx7ulp: Add missing sentinel of ulp_div_table
  clk: imx: clk-composite-8m: add lock to gate/mux

* clk-ux500:
  clk: ux500: Fix up the SGA clock for some variants

* clk-kconfig:
  clk: Fix Kconfig indentation

* clk-at91:
  clk: at91: sam9x60: fix programmable clock prescaler
  clk: at91: sam9x60-pll: adapt PMC_PLL_ACR default value
2020-01-31 13:12:00 -08:00
Stephen Boyd
28db9a8c82 Merge branches 'clk-init-allocation', 'clk-unused' and 'clk-register-dt-node-better' into clk-next
- Let clk_ops::init() return an error code
 - Add a clk_ops::terminate() callback to undo clk_ops::init()

* clk-init-allocation:
  clk: add terminate callback to clk_ops
  clk: let init callback return an error code
  clk: actually call the clock init before any other callback of the clock

* clk-unused:
  clk: bm1800: Remove set but not used variable 'fref'

* clk-register-dt-node-better:
  clk: Use parent node pointer during registration if necessary
2020-01-31 13:11:52 -08:00
Linus Torvalds
a62aa6f7f5 Changes in gfs2:
- Fix some corner cases on filesystems with a block size < page size.
 - Fix a corner case that could expose incorrect access times over nfs.
 - Revert an otherwise sensible revoke accounting cleanup that causes
   assertion failures.  The revoke accounting is whacky and needs to be
   fixed properly before we can add back this cleanup.
 - Various other minor cleanups.
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Merge tag 'gfs2-for-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2

Pull gfs2 updates from Andreas Gruenbacher:

 - Fix some corner cases on filesystems with a block size < page size.

 - Fix a corner case that could expose incorrect access times over nfs.

 - Revert an otherwise sensible revoke accounting cleanup that causes
   assertion failures. The revoke accounting is whacky and needs to be
   fixed properly before we can add back this cleanup.

 - Various other minor cleanups.

In addition, please expect to see another pull request from Bob Peterson
about his gfs2 recovery patch queue shortly.

* tag 'gfs2-for-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
  Revert "gfs2: eliminate tr_num_revoke_rm"
  gfs2: remove unused LBIT macros
  fs/gfs2: remove unused IS_DINODE and IS_LEAF macros
  gfs2: Remove GFS2_MIN_LVB_SIZE define
  gfs2: Fix incorrect variable name
  gfs2: Avoid access time thrashing in gfs2_inode_lookup
  gfs2: minor cleanup: remove unneeded variable ret in gfs2_jdata_writepage
  gfs2: eliminate ssize parameter from gfs2_struct2blk
  gfs2: Another gfs2_find_jhead fix
2020-01-31 13:07:16 -08:00
Linus Torvalds
677b60dcb6 New code for 5.6:
- Fix an off-by-one error when checking if offset is within inode size
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Merge tag 'iomap-5.6-merge-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

Pull iomap fix from Darrick Wong:
 "A single patch fixing an off-by-one error when we're checking to see
  how far we're gotten into an EOF page"

* tag 'iomap-5.6-merge-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
  fs: Fix page_mkwrite off-by-one errors
2020-01-31 12:58:12 -08:00
Linus Torvalds
7eec11d3a7 Merge branch 'akpm' (patches from Andrew)
Pull updates from Andrew Morton:
 "Most of -mm and quite a number of other subsystems: hotfixes, scripts,
  ocfs2, misc, lib, binfmt, init, reiserfs, exec, dma-mapping, kcov.

  MM is fairly quiet this time.  Holidays, I assume"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (118 commits)
  kcov: ignore fault-inject and stacktrace
  include/linux/io-mapping.h-mapping: use PHYS_PFN() macro in io_mapping_map_atomic_wc()
  execve: warn if process starts with executable stack
  reiserfs: prevent NULL pointer dereference in reiserfs_insert_item()
  init/main.c: fix misleading "This architecture does not have kernel memory protection" message
  init/main.c: fix quoted value handling in unknown_bootoption
  init/main.c: remove unnecessary repair_env_string in do_initcall_level
  init/main.c: log arguments and environment passed to init
  fs/binfmt_elf.c: coredump: allow process with empty address space to coredump
  fs/binfmt_elf.c: coredump: delete duplicated overflow check
  fs/binfmt_elf.c: coredump: allocate core ELF header on stack
  fs/binfmt_elf.c: make BAD_ADDR() unlikely
  fs/binfmt_elf.c: better codegen around current->mm
  fs/binfmt_elf.c: don't copy ELF header around
  fs/binfmt_elf.c: fix ->start_code calculation
  fs/binfmt_elf.c: smaller code generation around auxv vector fill
  lib/find_bit.c: uninline helper _find_next_bit()
  lib/find_bit.c: join _find_next_bit{_le}
  uapi: rename ext2_swab() to swab() and share globally in swab.h
  lib/scatterlist.c: adjust indentation in __sg_alloc_table
  ...
2020-01-31 12:16:36 -08:00
Linus Torvalds
ddaefe8947 Modules updates for v5.6
Summary of modules changes for the 5.6 merge window:
 
 - Add "MS" (SHF_MERGE|SHF_STRINGS) section flags to __ksymtab_strings to
   indicate to the linker that it can perform string deduplication (i.e.,
   duplicate strings are reduced to a single copy in the string table).
   This means any repeated namespace string would be merged to just one
   entry in __ksymtab_strings.
 
 - Various code cleanups and small fixes (fix small memleak in error path,
   improve moduleparam docs, silence rcu warnings, improve error logging)
 
 Signed-off-by: Jessica Yu <jeyu@kernel.org>
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Merge tag 'modules-for-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux

Pull module updates from Jessica Yu:
 "Summary of modules changes for the 5.6 merge window:

   - Add "MS" (SHF_MERGE|SHF_STRINGS) section flags to __ksymtab_strings
     to indicate to the linker that it can perform string deduplication
     (i.e., duplicate strings are reduced to a single copy in the string
     table). This means any repeated namespace string would be merged to
     just one entry in __ksymtab_strings.

   - Various code cleanups and small fixes (fix small memleak in error
     path, improve moduleparam docs, silence rcu warnings, improve error
     logging)"

* tag 'modules-for-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux:
  module.h: Annotate mod_kallsyms with __rcu
  module: avoid setting info->name early in case we can fall back to info->mod->name
  modsign: print module name along with error message
  kernel/module: Fix memleak in module_add_modinfo_attrs()
  export.h: reduce __ksymtab_strings string duplication by using "MS" section flags
  moduleparam: fix kerneldoc
  modules: lockdep: Suppress suspicious RCU usage warning
2020-01-31 11:42:13 -08:00
Linus Torvalds
c5951e7c8e The main MIPS changes for 5.6:
- Support mremap() for the VDSO, primarily to allow CRIU to restore the
   VDSO to its checkpointed location.
 
 - Restore the MIPS32 cBPF JIT, after having reverted the enablement of
   the eBPF JIT for MIPS32 systems in the 5.5 cycle.
 
 - Improve cop0 counter synchronization behaviour whilst onlining CPUs by
   running with interrupts disabled.
 
 - Better match FPU behaviour when emulating multiply-accumulate
   instructions on pre-r6 systems that implement IEEE754-2008 style MACs.
 
 - Loongson64 kernels now build using the MIPS64r2 ISA, allowing them to
   take advantage of instructions introduced by r2.
 
 - Support for the Ingenic X1000 SoC & the really nice little CU Neo
   development board that's using it.
 
 - Support for WMAC on GARDENA Smart Gateway devices.
 
 - Lots of cleanup & refactoring of SGI IP27 (Origin 2*) support in
   preparation for introducing IP35 (Origin 3*) support.
 
 - Various Kconfig & Makefile cleanups.
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Merge tag 'mips_5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux

Pull MIPS changes from Paul Burton:
 "Nothing too big or scary in here:

   - Support mremap() for the VDSO, primarily to allow CRIU to restore
     the VDSO to its checkpointed location.

   - Restore the MIPS32 cBPF JIT, after having reverted the enablement
     of the eBPF JIT for MIPS32 systems in the 5.5 cycle.

   - Improve cop0 counter synchronization behaviour whilst onlining CPUs
     by running with interrupts disabled.

   - Better match FPU behaviour when emulating multiply-accumulate
     instructions on pre-r6 systems that implement IEEE754-2008 style
     MACs.

   - Loongson64 kernels now build using the MIPS64r2 ISA, allowing them
     to take advantage of instructions introduced by r2.

   - Support for the Ingenic X1000 SoC & the really nice little CU Neo
     development board that's using it.

   - Support for WMAC on GARDENA Smart Gateway devices.

   - Lots of cleanup & refactoring of SGI IP27 (Origin 2*) support in
     preparation for introducing IP35 (Origin 3*) support.

   - Various Kconfig & Makefile cleanups"

* tag 'mips_5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (60 commits)
  MIPS: PCI: Add detection of IOC3 on IO7, IO8, IO9 and Fuel
  MIPS: Loongson64: Disable exec hazard
  MIPS: Loongson64: Bump ISA level to MIPSR2
  MIPS: Make DIEI support as a config option
  MIPS: OCTEON: octeon-irq: fix spelling mistake "to" -> "too"
  MIPS: asm: local: add barriers for Loongson
  MIPS: Loongson64: Select mac2008 only feature
  MIPS: Add MAC2008 Support
  Revert "MIPS: Add custom serial.h with BASE_BAUD override for generic kernel"
  MIPS: sort MIPS and MIPS_GENERIC Kconfig selects alphabetically (again)
  MIPS: make CPU_HAS_LOAD_STORE_LR opt-out
  MIPS: generic: don't unconditionally select PINCTRL
  MIPS: don't explicitly select LIBFDT in Kconfig
  MIPS: sync-r4k: do slave counter synchronization with disabled HW interrupts
  MIPS: SGI-IP30: Check for valid pointer before using it
  MIPS: syscalls: fix indentation of the 'SYSNR' message
  MIPS: boot: fix typo in 'vmlinux.lzma.its' target
  MIPS: fix indentation of the 'RELOCS' message
  dt-bindings: Document loongson vendor-prefix
  MIPS: CU1000-Neo: Refresh defconfig to support HWMON and WiFi.
  ...
2020-01-31 11:28:31 -08:00
Linus Torvalds
b7e573bb4a ARC updates for 5.6-rc1
- Wiring up clone3 syscall
 
  - ARCv2 FPU state save/restore across context switch
 
  - AXS10x platform and miscll fixes
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Merge tag 'arc-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc

Pull ARC updates from Vineet Gupta:

 - Wire up clone3 syscall

 - ARCv2 FPU state save/restore across context switch

 - AXS10x platform and misc fixes

* tag 'arc-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
  ARCv2: fpu: preserve userspace fpu state
  ARC: fpu: declutter code, move bits out into fpu.h
  ARC: wireup clone3 syscall
  ARC: [plat-axs10x]: Add missing multicast filter number to GMAC node
  ARC: update feature support for jump-labels
2020-01-31 11:26:11 -08:00
Linus Torvalds
a1084542a8 RISC-V Patches for the 5.6 Merge Window, Part 1
This tag contains a handful of patches that I'd like to target for this merge
 window:
 
 * Support for kasan.
 * 32-bit physical addresses on rv32i-based systems.
 * Support for CONFIG_DEBUG_VIRTUAL
 * DT entry for the FU540 GPIO controller, which has recently had a device
   driver merged.
 
 These boot a buildroot-based system on QEMU's virt board for me.
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Merge tag 'riscv-for-linus-5.6-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux

Pull RISC-V updates from Palmer Dabbelt:
 "This contains a handful of patches for this merge window:

   - Support for kasan

   - 32-bit physical addresses on rv32i-based systems

   - Support for CONFIG_DEBUG_VIRTUAL

   - DT entry for the FU540 GPIO controller, which has recently had a
     device driver merged

  These boot a buildroot-based system on QEMU's virt board for me"

* tag 'riscv-for-linus-5.6-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
  riscv: dts: Add DT support for SiFive FU540 GPIO driver
  riscv: mm: add support for CONFIG_DEBUG_VIRTUAL
  riscv: keep 32-bit kernel to 32-bit phys_addr_t
  kasan: Add riscv to KASAN documentation.
  riscv: Add KASAN support
  kasan: No KASAN's memmove check if archs don't have it.
2020-01-31 11:23:29 -08:00
Erdem Aktas
264b0d2bee percpu: Separate decrypted varaibles anytime encryption can be enabled
CONFIG_VIRTUALIZATION may not be enabled for memory encrypted guests.  If
disabled, decrypted per-CPU variables may end up sharing the same page
with variables that should be left encrypted.

Always separate per-CPU variables that should be decrypted into their own
page anytime memory encryption can be enabled in the guest rather than
rely on any other config option that may not be enabled.

Fixes: ac26963a11 ("percpu: Introduce DEFINE_PER_CPU_DECRYPTED")
Cc: stable@vger.kernel.org # 4.15+
Signed-off-by: Erdem Aktas <erdemaktas@google.com>
Signed-off-by: David Rientjes <rientjes@google.com>
Signed-off-by: Dennis Zhou <dennis@kernel.org>
2020-01-31 11:15:59 -08:00
Luc Van Oostenryck
becef184df percpu: fix __percpu annotation in asm-generic
The generic implementation of raw_cpu_generic_add_return() is:

        #define raw_cpu_generic_add_return(pcp, val)            \
        ({                                                      \
                typeof(&(pcp)) __p = raw_cpu_ptr(&(pcp));       \
                                                                \
                *__p += val;                                    \
                *__p;                                           \
        })

where the 'pcp' argument is a __percpu lvalue.
There, the variable '__p' is declared as a __percpu pointer
the type of the address of 'pcp') but:
1) the value assigned to it, the return value of raw_cpu_ptr(), is
   a plain (__kernel) pointer, not a __percpu one.
2) this variable is dereferenced just after while a __percpu
   pointer is implicitly __noderef.

So, fix the declaration of the 'pcp' variable to its correct type:
the plain (non-percpu) pointer corresponding to pcp's address,
using the fact that typeof() ignores the address space and the
'noderef' attribute of its agument.

Same for raw_cpu_generic_xchg(), raw_cpu_generic_cmpxchg() &
raw_cpu_generic_cmpxchg_double().

This removes 209 warnings on ARM, 525 on ARM64, 220 on x86 &
more than 2600 on ppc64 (all of them with the default config).

Cc: Tejun Heo <tj@kernel.org>
Cc: Nicholas Piggin <npiggin@gmail.com>
Reported-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Acked-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Dennis Zhou <dennis@kernel.org>
2020-01-31 11:15:59 -08:00