Commit Graph

47160 Commits

Author SHA1 Message Date
Linus Torvalds fc80c51fd4 Kbuild updates for v5.9
- run the checker (e.g. sparse) after the compiler
 
  - remove unneeded cc-option tests for old compiler flags
 
  - fix tar-pkg to install dtbs
 
  - introduce ccflags-remove-y and asflags-remove-y syntax
 
  - allow to trace functions in sub-directories of lib/
 
  - introduce hostprogs-always-y and userprogs-always-y syntax
 
  - various Makefile cleanups
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Merge tag 'kbuild-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild updates from Masahiro Yamada:

 - run the checker (e.g. sparse) after the compiler

 - remove unneeded cc-option tests for old compiler flags

 - fix tar-pkg to install dtbs

 - introduce ccflags-remove-y and asflags-remove-y syntax

 - allow to trace functions in sub-directories of lib/

 - introduce hostprogs-always-y and userprogs-always-y syntax

 - various Makefile cleanups

* tag 'kbuild-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  kbuild: stop filtering out $(GCC_PLUGINS_CFLAGS) from cc-option base
  kbuild: include scripts/Makefile.* only when relevant CONFIG is enabled
  kbuild: introduce hostprogs-always-y and userprogs-always-y
  kbuild: sort hostprogs before passing it to ifneq
  kbuild: move host .so build rules to scripts/gcc-plugins/Makefile
  kbuild: Replace HTTP links with HTTPS ones
  kbuild: trace functions in subdirectories of lib/
  kbuild: introduce ccflags-remove-y and asflags-remove-y
  kbuild: do not export LDFLAGS_vmlinux
  kbuild: always create directories of targets
  powerpc/boot: add DTB to 'targets'
  kbuild: buildtar: add dtbs support
  kbuild: remove cc-option test of -ffreestanding
  kbuild: remove cc-option test of -fno-stack-protector
  Revert "kbuild: Create directory for target DTB"
  kbuild: run the checker after the compiler
2020-08-09 14:10:26 -07:00
Linus Torvalds 9420f1ce01 This is the bulk of the pin control changes for the v5.9
kernel series:
 
 Core changes:
 
 - The GPIO patch "gpiolib: Introduce
   for_each_requested_gpio_in_range() macro" was put in an
   immutable branch and merged into the pinctrl tree as well.
   We see these changes also here.
 
 - Improved debug output for pins used as GPIO.
 
 New drivers:
 
 - Ocelot Sparx5 SoC driver.
 
 - Intel Emmitsburg SoC subdriver.
 
 - Intel Tiger Lake-H SoC subdriver.
 
 - Qualcomm PM660 SoC subdriver.
 
 - Renesas SH-PFC R8A774E1 subdriver.
 
 Driver improvements:
 
 - Linear improvement and cleanups of the Intel drivers for
   Cherryview, Lynxpoint, Baytrail etc. Improved locking among
   other things.
 
 - Renesas SH-PFC has added support for RPC pins, groups, and
   functions to r8a77970 and r8a77980.
 
 - The newere Freescale (now NXP) i.MX8 pin controllers have
   been modularized. This is driven by the Google Android
   GKI initiative I think.
 
 - Open drain support for pins on the Qualcomm IPQ4019.
 
 - The Ingenic driver can handle both edges IRQ detection.
 
 - A big slew of documentation fixes all over the place.
 
 - A few irqchip template conversions by yours truly.
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Merge tag 'pinctrl-v5.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pin control updates from Linus Walleij:
 "This is the bulk of the pin control changes for the v5.9 kernel
  series:

  Core changes:

   - The GPIO patch "gpiolib: Introduce for_each_requested_gpio_in_range()
     macro" was put in an immutable branch and merged into the pinctrl
     tree as well. We see these changes also here.

   - Improved debug output for pins used as GPIO.

  New drivers:

   - Ocelot Sparx5 SoC driver.

   - Intel Emmitsburg SoC subdriver.

   - Intel Tiger Lake-H SoC subdriver.

   - Qualcomm PM660 SoC subdriver.

   - Renesas SH-PFC R8A774E1 subdriver.

  Driver improvements:

   - Linear improvement and cleanups of the Intel drivers for
     Cherryview, Lynxpoint, Baytrail etc. Improved locking among other
     things.

   - Renesas SH-PFC has added support for RPC pins, groups, and
     functions to r8a77970 and r8a77980.

   - The newere Freescale (now NXP) i.MX8 pin controllers have been
     modularized. This is driven by the Google Android GKI initiative I
     think.

   - Open drain support for pins on the Qualcomm IPQ4019.

   - The Ingenic driver can handle both edges IRQ detection.

   - A big slew of documentation fixes all over the place.

   - A few irqchip template conversions by yours truly.

* tag 'pinctrl-v5.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (107 commits)
  dt-bindings: pinctrl: add bindings for MediaTek MT6779 SoC
  pinctrl: stmfx: Use irqchip template
  pinctrl: amd: Use irqchip template
  pinctrl: mediatek: fix build for tristate changes
  pinctrl: samsung: Use bank name as irqchip name
  pinctrl: core: print gpio in pins debugfs file
  pinctrl: mediatek: add mt6779 eint support
  pinctrl: mediatek: add pinctrl support for MT6779 SoC
  pinctrl: mediatek: avoid virtual gpio trying to set reg
  pinctrl: mediatek: update pinmux definitions for mt6779
  pinctrl: stm32: use the hwspin_lock_timeout_in_atomic() API
  pinctrl: mcp23s08: Use irqchip template
  pinctrl: sx150x: Use irqchip template
  dt-bindings: ingenic,pinctrl: Support pinmux/pinconf nodes
  pinctrl: intel: Add Intel Emmitsburg pin controller support
  pinctl: ti: iodelay: Replace HTTP links with HTTPS ones
  Revert "gpio: omap: handle pin config bias flags"
  pinctrl: single: Use fallthrough pseudo-keyword
  pinctrl: qcom: spmi-gpio: Use fallthrough pseudo-keyword
  pinctrl: baytrail: Use fallthrough pseudo-keyword
  ...
2020-08-09 12:52:28 -07:00
Linus Torvalds dec1fbbc1d MTD core changes:
* Spelling
 * http to https updates
 
 NAND core changes:
 * Drop useless 'depends on' in Kconfig
 * Add an extra level in the Kconfig hierarchy
 * Trivial spellings
 * Dynamic allocation of the interface configurations
 * Dropping the default ONFI timing mode
 * Various cleanup (types, structures, naming, comments)
 * Hide the chip->data_interface indirection
 * Add the generic rb-gpios property
 * Add the ->choose_interface_config() hook
 * Introduce nand_choose_best_sdr_timings()
 * Use default values for tPROG_max and tBERS_max
 * Avoid redefining tR_max and tCCS_min
 * Add a helper to find the closest ONFI mode
 * bcm63xx MTD parsers: simplify CFE detection
 
 Raw NAND controller drivers changes:
 * fsl-upm: Deprecation of specific DT properties
 * fsl_upm: Driver rework and cleanup in favor of ->exec_op()
 * Ingenic: Cleanup ARRAY_SIZE() vs sizeof() use
 * brcmnand: ECC error handling on EDU transfers
 * brcmnand: Don't default to EDU transfers
 * qcom: Set BAM mode only if not set already
 * qcom: Avoid write to unavailable register
 * gpio: Driver rework in favor of ->exec_op()
 * tango: ->exec_op() conversion
 * mtk: ->exec_op() conversion
 
 Raw NAND chip drivers changes:
 * toshiba: Implement ->choose_interface_config() for TH58NVG2S3HBAI4
 * toshiba: Implement ->choose_interface_config() for TC58NVG0S3E
 * toshiba: Implement ->choose_interface_config() for TC58TEG5DCLTA00
 * hynix: Implement ->choose_interface_config() for H27UCG8T2ATR-BC
 
 SPI NOR core changes:
 * Disable Quad Mode in spi_nor_restore().
 * Don't abort BFPT parsing when QER reserved value is used.
 * Add support/update capabilities for few flashes.
 * Drop s70fl01gs flash: it does not support RDSR(05h) which
   is critical for erase/write.
 * Merge the SPIMEM DTR bits in spi-nor/next to avoid conflicts
   during the release cycle.
 
 SPI NOR controller drivers changes:
 * Move the cadence-quadspi driver to spi-mem. The series was
   taken through the SPI tree. Merge it also in spi-nor/next
   to avoid conflicts during the release cycle.
 * intel-spi:
    - Add new PCI IDs.
    - Ignore the Write Disable command, the controller doesn't
      support it.
    - Fix performance regression.
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Merge tag 'mtd/for-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux

Pull mtd updates from Miquel Raynal:
 "MTD core changes:
   - Spelling
   - http to https updates

  NAND core changes:
   - Drop useless 'depends on' in Kconfig
   - Add an extra level in the Kconfig hierarchy
   - Trivial spellings
   - Dynamic allocation of the interface configurations
   - Dropping the default ONFI timing mode
   - Various cleanup (types, structures, naming, comments)
   - Hide the chip->data_interface indirection
   - Add the generic rb-gpios property
   - Add the ->choose_interface_config() hook
   - Introduce nand_choose_best_sdr_timings()
   - Use default values for tPROG_max and tBERS_max
   - Avoid redefining tR_max and tCCS_min
   - Add a helper to find the closest ONFI mode
   - bcm63xx MTD parsers: simplify CFE detection

  Raw NAND controller drivers changes:
   - fsl-upm: Deprecation of specific DT properties
   - fsl_upm: Driver rework and cleanup in favor of ->exec_op()
   - Ingenic: Cleanup ARRAY_SIZE() vs sizeof() use
   - brcmnand: ECC error handling on EDU transfers
   - brcmnand: Don't default to EDU transfers
   - qcom: Set BAM mode only if not set already
   - qcom: Avoid write to unavailable register
   - gpio: Driver rework in favor of ->exec_op()
   - tango: ->exec_op() conversion
   - mtk: ->exec_op() conversion

  Raw NAND chip drivers changes:
   - toshiba: Implement ->choose_interface_config() for TH58NVG2S3HBAI4,
     TC58NVG0S3E, and TC58TEG5DCLTA00
   - hynix: Implement ->choose_interface_config() for H27UCG8T2ATR-BC

  SPI NOR core changes:
   - Disable Quad Mode in spi_nor_restore().
   - Don't abort BFPT parsing when QER reserved value is used.
   - Add support/update capabilities for few flashes.
   - Drop s70fl01gs flash: it does not support RDSR(05h) which is
     critical for erase/write.
   - Merge the SPIMEM DTR bits in spi-nor/next to avoid conflicts during
     the release cycle.

  SPI NOR controller drivers changes:
   - Move the cadence-quadspi driver to spi-mem. The series was taken
     through the SPI tree. Merge it also in spi-nor/next to avoid
     conflicts during the release cycle.
   - intel-spi:
      - Add new PCI IDs.
      - Ignore the Write Disable command, the controller doesn't support
        it.
      - Fix performance regression"

* tag 'mtd/for-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (79 commits)
  MTD: pfow.h: drop a duplicated word
  MTD: mtd-abi.h: drop a duplicated word
  mtd: rawnand: omap_elm: Replace HTTP links with HTTPS ones
  mtd: Replace HTTP links with HTTPS ones
  mtd: hyperbus: Replace HTTP links with HTTPS ones
  mtd: revert "spi-nor: intel: provide a range for poll_timout"
  mtd: spi-nor: update read capabilities for w25q64 and s25fl064k
  mtd: spi-nor: micron: Add SPI_NOR_DUAL_READ flag on mt25qu02g
  mtd: spi-nor: macronix: Add support for mx66u2g45g
  mtd: spi-nor: intel-spi: Simulate WRDI command
  mtd: spi-nor: Disable the flash quad mode in spi_nor_restore()
  mtd: spi-nor: Add capability to disable flash quad mode
  mtd: spi-nor: spansion: Remove s70fl01gs from flash_info
  mtd: spi-nor: sfdp: do not make invalid quad enable fatal
  dt-bindings: mtd: fsl-upm-nand: Deprecate chip-delay and fsl, upm-wait-flags
  mtd: rawnand: stm32_fmc2: get resources from parent node
  mtd: rawnand: stm32_fmc2: use regmap APIs
  memory: stm32-fmc2-ebi: add STM32 FMC2 EBI controller driver
  dt-bindings: memory-controller: add STM32 FMC2 EBI controller documentation
  dt-bindings: mtd: update STM32 FMC2 NAND controller documentation
  ...
2020-08-09 12:38:51 -07:00
Paolo Bonzini 3ff0327899 PPC KVM update for 5.9
- Improvements and bug-fixes for secure VM support, giving reduced startup
   time and memory hotplug support.
 - Locking fixes in nested KVM code
 - Increase number of guests supported by HV KVM to 4094
 - Preliminary POWER10 support
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Merge tag 'kvm-ppc-next-5.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc into kvm-next-5.6

PPC KVM update for 5.9

- Improvements and bug-fixes for secure VM support, giving reduced startup
  time and memory hotplug support.
- Locking fixes in nested KVM code
- Increase number of guests supported by HV KVM to 4094
- Preliminary POWER10 support
2020-08-09 13:24:02 -04:00
Masahiro Yamada faabed295c kbuild: introduce hostprogs-always-y and userprogs-always-y
To build host programs, you need to add the program names to 'hostprogs'
to use the necessary build rule, but it is not enough to build them
because there is no dependency.

There are two types of host programs: built as the prerequisite of
another (e.g. gen_crc32table in lib/Makefile), or always built when
Kbuild visits the Makefile (e.g. genksyms in scripts/genksyms/Makefile).

The latter is typical in Makefiles under scripts/, which contains host
programs globally used during the kernel build. To build them, you need
to add them to both 'hostprogs' and 'always-y'.

This commit adds hostprogs-always-y as a shorthand.

The same applies to user programs. net/bpfilter/Makefile builds
bpfilter_umh on demand, hence always-y is unneeded. In contrast,
programs under samples/ are added to both 'userprogs' and 'always-y'
so they are always built when Kbuild visits the Makefiles.

userprogs-always-y works as a shorthand.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Acked-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
2020-08-10 01:32:59 +09:00
Alexander A. Klimov 16a122c743 kbuild: Replace HTTP links with HTTPS ones
Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.

Deterministic algorithm:
For each file:
  If not .svg:
    For each line:
      If doesn't contain `\bxmlns\b`:
        For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`:
	  If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`:
            If both the HTTP and HTTPS versions
            return 200 OK and serve the same content:
              Replace HTTP with HTTPS.

Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-10 01:32:59 +09:00
Masahiro Yamada 15d5761ad3 kbuild: introduce ccflags-remove-y and asflags-remove-y
CFLAGS_REMOVE_<file>.o filters out flags when compiling a particular
object, but there is no convenient way to do that for every object in
a directory.

Add ccflags-remove-y and asflags-remove-y to make it easily.

Use ccflags-remove-y to clean up some Makefiles.

The add/remove order works as follows:

 [1] KBUILD_CFLAGS specifies compiler flags used globally

 [2] ccflags-y adds compiler flags for all objects in the
     current Makefile

 [3] ccflags-remove-y removes compiler flags for all objects in the
     current Makefile (New feature)

 [4] CFLAGS_<file> adds compiler flags per file.

 [5] CFLAGS_REMOVE_<file> removes compiler flags per file.

Having [3] before [4] allows us to remove flags from most (but not all)
objects in the current Makefile.

For example, kernel/trace/Makefile removes $(CC_FLAGS_FTRACE)
from all objects in the directory, then adds it back to
trace_selftest_dynamic.o and CFLAGS_trace_kprobe_selftest.o

The same applies to lib/livepatch/Makefile.

Please note ccflags-remove-y has no effect to the sub-directories.
In contrast, the previous notation got rid of compiler flags also from
all the sub-directories.

The following are not affected because they have no sub-directories:

  arch/arm/boot/compressed/
  arch/powerpc/xmon/
  arch/sh/
  kernel/trace/

However, lib/ has several sub-directories.

To keep the behavior, I added ccflags-remove-y to all Makefiles
in subdirectories of lib/, except the following:

  lib/vdso/Makefile        - Kbuild does not descend into this Makefile
  lib/raid/test/Makefile   - This is not used for the kernel build

I think commit 2464a609de ("ftrace: do not trace library functions")
excluded too much. In the next commit, I will remove ccflags-remove-y
from the sub-directories of lib/.

Suggested-by: Sami Tolvanen <samitolvanen@google.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)
Acked-by: Brendan Higgins <brendanhiggins@google.com> (KUnit)
Tested-by: Anders Roxell <anders.roxell@linaro.org>
2020-08-10 01:32:59 +09:00
Linus Torvalds 11030fe96b Minor cleanups to the IPMI driver for 5.9
Nothing of any major consequence.  Duplicate code, some missing \n's in
 sysfs files, some documentation and comment changes.
 
 -corey
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Merge tag 'for-linus-5.9-1' of git://github.com/cminyard/linux-ipmi

Pull IPMI updates from Corey Minyard:
 "Minor cleanups to the IPMI driver for 5.9

  Nothing of any major consequence. Duplicate code, some missing \n's in
  sysfs files, some documentation and comment changes"

* tag 'for-linus-5.9-1' of git://github.com/cminyard/linux-ipmi:
  ipmi/watchdog: add missing newlines when printing parameters by sysfs
  ipmi: remve duplicate code in __ipmi_bmc_register()
  ipmi: ssif: Remove finished TODO comment about SMBus alert
  Doc: driver-api: ipmi: Add description of alerts_broken module param
2020-08-08 09:32:18 -07:00
Linus Torvalds 449dc8c970 power supply and reset changes for the v5.9 series
power-supply core:
  * add COOL/WARM/HOT state from JEITA JISC8712:2015 specification
  * convert simple-battery DT binding to YAML
  * add long-life charging mode
 
 battery/charger drivers:
  * bq25150: new charger driver
  * bq27xxx: add support for BQ27z561 and BQ28z610
  * max17040: support CAPACITY_ALERT_MIN
  * sbs-battery: add PEC support
  * wilco-ec: support long-life charging mode
  * bq25890: fix DT binding
  * misc. fixes and cleanups
 
 reset drivers:
  * linkstation: new reset driver
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Merge tag 'for-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply

Pull power supply and reset updates from Sebastian Reichel:
 "Power-supply core:
   - add COOL/WARM/HOT state from JEITA JISC8712:2015 specification
   - convert simple-battery DT binding to YAML
   - add long-life charging mode

 Battery/charger drivers:
   - bq25150: new charger driver
   - bq27xxx: add support for BQ27z561 and BQ28z610
   - max17040: support CAPACITY_ALERT_MIN
   - sbs-battery: add PEC support
   - wilco-ec: support long-life charging mode
   - bq25890: fix DT binding
   - misc. fixes and cleanups

 Reset drivers:
   - linkstation: new reset driver"

* tag 'for-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (32 commits)
  power: supply: wilco_ec: Add long life charging mode
  power: supply: bq27xxx_battery: Add the BQ28z610 Battery monitor
  dt-bindings: power: Add BQ28z610 compatible
  power: supply: bq27xxx_battery: Add the BQ27Z561 Battery monitor
  dt-bindings: power: Add BQ27Z561 compatible
  power: supply: test_power: Fix battery_current initial value
  power: supply: Fix kerneldoc of power_supply_temp2resist_simple()
  power: supply: cpcap-battery: Fix kerneldoc of cpcap_battery_read_accumulated()
  dt-bindings: power: Convert battery.txt to battery.yaml
  power: supply: rt5033_battery: Fix error code in rt5033_battery_probe()
  power: supply: max17040: Add POWER_SUPPLY_PROP_CAPACITY_ALERT_MIN
  power: supply: check if calc_soc succeeded in pm860x_init_battery
  power: supply: bq2xxxx: Replace HTTP links with HTTPS ones
  power: reset: add driver for LinkStation power off
  power: supply: sc27xx: prevent adc * 1000 from overflow
  math64: New DIV_S64_ROUND_CLOSEST helper
  power: fix duplicated words in bq2415x_charger.h
  power: Convert to DEFINE_SHOW_ATTRIBUTE
  power: reset: keystone-reset: Replace HTTP links with HTTPS ones
  power: supply: bq25150 introduce the bq25150
  ...
2020-08-07 21:27:37 -07:00
Linus Torvalds 049eb096da pci-v5.9-changes
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Merge tag 'pci-v5.9-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI updates from Bjorn Helgaas:
 "Enumeration:
   - Fix pci_cfg_wait queue locking problem (Bjorn Helgaas)
   - Convert PCIe capability PCIBIOS errors to errno (Bolarinwa Olayemi
     Saheed)
   - Align PCIe capability and PCI accessor return values (Bolarinwa
     Olayemi Saheed)
   - Fix pci_create_slot() reference count leak (Qiushi Wu)
   - Announce device after early fixups (Tiezhu Yang)

  PCI device hotplug:
   - Make rpadlpar functions static (Wei Yongjun)

  Driver binding:
   - Add device even if driver attach failed (Rajat Jain)

  Virtualization:
   - xen: Remove redundant initialization of irq (Colin Ian King)

  IOMMU:
   - Add pci_pri_supported() to check device or associated PF (Ashok Raj)
   - Release IVRS table in AMD ACS quirk (Hanjun Guo)
   - Mark AMD Navi10 GPU rev 0x00 ATS as broken (Kai-Heng Feng)
   - Treat "external-facing" devices themselves as internal (Rajat Jain)

  MSI:
   - Forward MSI-X error code in pci_alloc_irq_vectors_affinity() (Piotr
     Stankiewicz)

  Error handling:
   - Clear PCIe Device Status errors only if OS owns AER (Jonathan
     Cameron)
   - Log correctable errors as warning, not error (Matt Jolly)
   - Use 'pci_channel_state_t' instead of 'enum pci_channel_state' (Luc
     Van Oostenryck)

  Peer-to-peer DMA:
   - Allow P2PDMA on AMD Zen and newer CPUs (Logan Gunthorpe)

  ASPM:
   - Add missing newline in sysfs 'policy' (Xiongfeng Wang)

  Native PCIe controllers:
   - Convert to devm_platform_ioremap_resource_byname() (Dejin Zheng)
   - Convert to devm_platform_ioremap_resource() (Dejin Zheng)
   - Remove duplicate error message from devm_pci_remap_cfg_resource()
     callers (Dejin Zheng)
   - Fix runtime PM imbalance on error (Dinghao Liu)
   - Remove dev_err() when handing an error from platform_get_irq()
     (Krzysztof Wilczyński)
   - Use pci_host_bridge.windows list directly instead of splicing in a
     temporary list for cadence, mvebu, host-common (Rob Herring)
   - Use pci_host_probe() instead of open-coding all the pieces for
     altera, brcmstb, iproc, mobiveil, rcar, rockchip, tegra, v3,
     versatile, xgene, xilinx, xilinx-nwl (Rob Herring)
   - Default host bridge parent device to the platform device (Rob
     Herring)
   - Use pci_is_root_bus() instead of tracking root bus number
     separately in aardvark, designware (imx6, keystone,
     designware-host), mobiveil, xilinx-nwl, xilinx, rockchip, rcar (Rob
     Herring)
   - Set host bridge bus number in pci_scan_root_bus_bridge() instead of
     each driver for aardvark, designware-host, host-common, mediatek,
     rcar, tegra, v3-semi (Rob Herring)
   - Move DT resource setup into devm_pci_alloc_host_bridge() (Rob
     Herring)
   - Set bridge map_irq and swizzle_irq to default functions; drivers
     that don't support legacy IRQs (iproc) need to undo this (Rob
     Herring)

  ARM Versatile PCIe controller driver:
   - Drop flag PCI_ENABLE_PROC_DOMAINS (Rob Herring)

  Cadence PCIe controller driver:
   - Use "dma-ranges" instead of "cdns,no-bar-match-nbits" property
     (Kishon Vijay Abraham I)
   - Remove "mem" from reg binding (Kishon Vijay Abraham I)
   - Fix cdns_pcie_{host|ep}_setup() error path (Kishon Vijay Abraham I)
   - Convert all r/w accessors to perform only 32-bit accesses (Kishon
     Vijay Abraham I)
   - Add support to start link and verify link status (Kishon Vijay
     Abraham I)
   - Allow pci_host_bridge to have custom pci_ops (Kishon Vijay Abraham I)
   - Add new *ops* for CPU addr fixup (Kishon Vijay Abraham I)
   - Fix updating Vendor ID and Subsystem Vendor ID register (Kishon
     Vijay Abraham I)
   - Use bridge resources for outbound window setup (Rob Herring)
   - Remove private bus number and range storage (Rob Herring)

  Cadence PCIe endpoint driver:
   - Add MSI-X support (Alan Douglas)

  HiSilicon PCIe controller driver:
   - Remove non-ECAM HiSilicon hip05/hip06 driver (Rob Herring)

  Intel VMD host bridge driver:
   - Use Shadow MEMBAR registers for QEMU/KVM guests (Jon Derrick)

  Loongson PCIe controller driver:
   - Use DECLARE_PCI_FIXUP_EARLY for bridge_class_quirk() (Tiezhu Yang)

  Marvell Aardvark PCIe controller driver:
   - Indicate error in 'val' when config read fails (Pali Rohár)
   - Don't touch PCIe registers if no card connected (Pali Rohár)

  Marvell MVEBU PCIe controller driver:
   - Setup BAR0 in order to fix MSI (Shmuel Hazan)

  Microsoft Hyper-V host bridge driver:
   - Fix a timing issue which causes kdump to fail occasionally (Wei Hu)
   - Make some functions static (Wei Yongjun)

  NVIDIA Tegra PCIe controller driver:
   - Revert tegra124 raw_violation_fixup (Nicolas Chauvet)
   - Remove PLL power supplies (Thierry Reding)

  Qualcomm PCIe controller driver:
   - Change duplicate PCI reset to phy reset (Abhishek Sahu)
   - Add missing ipq806x clocks in PCIe driver (Ansuel Smith)
   - Add missing reset for ipq806x (Ansuel Smith)
   - Add ext reset (Ansuel Smith)
   - Use bulk clk API and assert on error (Ansuel Smith)
   - Add support for tx term offset for rev 2.1.0 (Ansuel Smith)
   - Define some PARF params needed for ipq8064 SoC (Ansuel Smith)
   - Add ipq8064 rev2 variant (Ansuel Smith)
   - Support PCI speed set for ipq806x (Sham Muthayyan)

  Renesas R-Car PCIe controller driver:
   - Use devm_pci_alloc_host_bridge() (Rob Herring)
   - Use struct pci_host_bridge.windows list directly (Rob Herring)
   - Convert rcar-gen2 to use modern host bridge probe functions (Rob
     Herring)

  TI J721E PCIe driver:
   - Add TI J721E PCIe host and endpoint driver (Kishon Vijay Abraham I)

  Xilinx Versal CPM PCIe controller driver:
   - Add Versal CPM Root Port driver and YAML schema (Bharat Kumar
     Gogada)

  MicroSemi Switchtec management driver:
   - Add missing __iomem and __user tags to fix sparse warnings (Logan
     Gunthorpe)

  Miscellaneous:
   - Replace http:// links with https:// (Alexander A. Klimov)
   - Replace lkml.org, spinics, gmane with lore.kernel.org (Bjorn
     Helgaas)
   - Remove unused pci_lost_interrupt() (Heiner Kallweit)
   - Move PCI_VENDOR_ID_REDHAT definition to pci_ids.h (Huacai Chen)
   - Fix kerneldoc warnings (Krzysztof Kozlowski)"

* tag 'pci-v5.9-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (113 commits)
  PCI: Fix kerneldoc warnings
  PCI: xilinx-cpm: Add Versal CPM Root Port driver
  PCI: xilinx-cpm: Add YAML schemas for Versal CPM Root Port
  PCI: Set bridge map_irq and swizzle_irq to default functions
  PCI: Move DT resource setup into devm_pci_alloc_host_bridge()
  PCI: rcar-gen2: Convert to use modern host bridge probe functions
  PCI: Remove dev_err() when handing an error from platform_get_irq()
  MAINTAINERS: Add Kishon Vijay Abraham I for TI J721E SoC PCIe
  misc: pci_endpoint_test: Add J721E in pci_device_id table
  PCI: j721e: Add TI J721E PCIe driver
  PCI: switchtec: Add missing __iomem tag to fix sparse warnings
  PCI: switchtec: Add missing __iomem and __user tags to fix sparse warnings
  PCI: rpadlpar: Make functions static
  PCI/P2PDMA: Allow P2PDMA on AMD Zen and newer CPUs
  PCI: Release IVRS table in AMD ACS quirk
  PCI: Announce device after early fixups
  PCI: Mark AMD Navi10 GPU rev 0x00 ATS as broken
  PCI: Remove unused pci_lost_interrupt()
  dt-bindings: PCI: Add EP mode dt-bindings for TI's J721E SoC
  dt-bindings: PCI: Add host mode dt-bindings for TI's J721E SoC
  ...
2020-08-07 18:48:15 -07:00
Linus Torvalds 32663c78c1 Tracing updates for 5.9
- The biggest news in that the tracing ring buffer can now time events that
    interrupted other ring buffer events. Before this change, if an interrupt
    came in while recording another event, and that interrupt also had an
    event, those events would all have the same time stamp as the event it
    interrupted. Now, with the new design, those events will have a unique time
    stamp and rightfully display the time for those events that were recorded
    while interrupting another event.
 
  - Bootconfig how has an "override" operator that lets the users have a
    default config, but then add options to override the default.
 
  - A fix was made to properly filter function graph tracing to the ftrace
    PIDs. This came in at the end of the -rc cycle, and needs to be backported.
 
  - Several clean ups, performance updates, and minor fixes as well.
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Merge tag 'trace-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull tracing updates from Steven Rostedt:

 - The biggest news in that the tracing ring buffer can now time events
   that interrupted other ring buffer events.

   Before this change, if an interrupt came in while recording another
   event, and that interrupt also had an event, those events would all
   have the same time stamp as the event it interrupted.

   Now, with the new design, those events will have a unique time stamp
   and rightfully display the time for those events that were recorded
   while interrupting another event.

 - Bootconfig how has an "override" operator that lets the users have a
   default config, but then add options to override the default.

 - A fix was made to properly filter function graph tracing to the
   ftrace PIDs. This came in at the end of the -rc cycle, and needs to
   be backported.

 - Several clean ups, performance updates, and minor fixes as well.

* tag 'trace-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: (39 commits)
  tracing: Add trace_array_init_printk() to initialize instance trace_printk() buffers
  kprobes: Fix compiler warning for !CONFIG_KPROBES_ON_FTRACE
  tracing: Use trace_sched_process_free() instead of exit() for pid tracing
  bootconfig: Fix to find the initargs correctly
  Documentation: bootconfig: Add bootconfig override operator
  tools/bootconfig: Add testcases for value override operator
  lib/bootconfig: Add override operator support
  kprobes: Remove show_registers() function prototype
  tracing/uprobe: Remove dead code in trace_uprobe_register()
  kprobes: Fix NULL pointer dereference at kprobe_ftrace_handler
  ftrace: Fix ftrace_trace_task return value
  tracepoint: Use __used attribute definitions from compiler_attributes.h
  tracepoint: Mark __tracepoint_string's __used
  trace : Have tracing buffer info use kvzalloc instead of kzalloc
  tracing: Remove outdated comment in stack handling
  ftrace: Do not let direct or IPMODIFY ftrace_ops be added to module and set trampolines
  ftrace: Setup correct FTRACE_FL_REGS flags for module
  tracing/hwlat: Honor the tracing_cpumask
  tracing/hwlat: Drop the duplicate assignment in start_kthread()
  tracing: Save one trace_event->type by using __TRACE_LAST_TYPE
  ...
2020-08-07 18:29:15 -07:00
Linus Torvalds 30185b69a2 It looks like a smaller batch of clk updates this time around. In the core
framework we just have some minor tweaks and a debugfs feature, so not much to
 see there. The driver updates are fairly well split between AT91 and Qualcomm
 clk support. Adding those two drivers together equals about 50% of the
 diffstat. Otherwise, the big amount of work this time was on supporting
 Broadcom's Raspberry Pi firmware clks. See below for some more highlights.
 
 Core:
  - Document clk_hw_round_rate() so it gets some more use
  - Remove unused __clk_get_flags()
  - Add a prepare/enable debugfs feature similar to rate setting
 
 New Drivers:
  - Add support for SAMA7G5 SoC clks
  - Enable CPU clks on Qualcomm IPQ6018 SoCs
  - Enable CPU clks on Qualcomm MSM8996 SoCs
  - GPU clk support for Qualcomm SM8150 and SM8250 SoCs
  - Audio clks on Qualcomm SC7180 SoCs
  - Microchip Sparx5 DPLL clk
  - Add support for the new Renesas RZ/G2H (R8A774E1) SoC
 
 Updates:
  - Make defines for bcm63xx-gate clks to use in DT
  - Support BCM2711 SoC firmware clks
  - Add HDMI clks for BCM2711 SoCs
  - Add RTC related clks on Ingenic SoCs
  - Support USB PHY clks on Ingenic SoCs
  - Support gate clks on BCM6318 SoCs
  - RMU and DMAC/GPIO clock support for Actions Semi S500 SoCs
  - Use poll_timeout functions in Rockchip clk driver
  - Support Rockchip rk3288w SoC variant
  - Mark mac_lbtest critical on Rockchip rk3188
  - Add CAAM clock support for i.MX vf610 driver
  - Add MU root clock support for i.MX imx8mp driver
  - Amlogic g12: add neural network accelerator clock sources
  - Amlogic meson8: remove critical flag for main PLL divider
  - Amlogic meson8: add video decoder clock gates
  - Convert one more Renesas DT binding to json-schema
  - Enhance critical clock handling on Renesas platforms to only consider
    clocks that were enabled at boot time
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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:
 "It looks like a smaller batch of clk updates this time around.

  In the core framework we just have some minor tweaks and a debugfs
  feature, so not much to see there. The driver updates are fairly well
  split between AT91 and Qualcomm clk support. Adding those two drivers
  together equals about 50% of the diffstat.

  Otherwise, the big amount of work this time was on supporting
  Broadcom's Raspberry Pi firmware clks.

  Highlights:

  Core:
   - Document clk_hw_round_rate() so it gets some more use
   - Remove unused __clk_get_flags()
   - Add a prepare/enable debugfs feature similar to rate setting

  New Drivers:
   - Add support for SAMA7G5 SoC clks
   - Enable CPU clks on Qualcomm IPQ6018 SoCs
   - Enable CPU clks on Qualcomm MSM8996 SoCs
   - GPU clk support for Qualcomm SM8150 and SM8250 SoCs
   - Audio clks on Qualcomm SC7180 SoCs
   - Microchip Sparx5 DPLL clk
   - Add support for the new Renesas RZ/G2H (R8A774E1) SoC

  Updates:
   - Make defines for bcm63xx-gate clks to use in DT
   - Support BCM2711 SoC firmware clks
   - Add HDMI clks for BCM2711 SoCs
   - Add RTC related clks on Ingenic SoCs
   - Support USB PHY clks on Ingenic SoCs
   - Support gate clks on BCM6318 SoCs
   - RMU and DMAC/GPIO clock support for Actions Semi S500 SoCs
   - Use poll_timeout functions in Rockchip clk driver
   - Support Rockchip rk3288w SoC variant
   - Mark mac_lbtest critical on Rockchip rk3188
   - Add CAAM clock support for i.MX vf610 driver
   - Add MU root clock support for i.MX imx8mp driver
   - Amlogic g12: add neural network accelerator clock sources
   - Amlogic meson8: remove critical flag for main PLL divider
   - Amlogic meson8: add video decoder clock gates
   - Convert one more Renesas DT binding to json-schema
   - Enhance critical clock handling on Renesas platforms to only
     consider clocks that were enabled at boot time"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (79 commits)
  clk: qcom: gcc: Make disp gpll0 branch aon for sc7180/sdm845
  ipq806x: gcc: add support for child probe
  clk: qcom: msm8996: Make symbol 'cpu_msm8996_clks' static
  clk: qcom: ipq8074: Add correct index for PCIe clocks
  clk: <linux/clk-provider.h>: drop a duplicated word
  clk: renesas: cpg-mssr: Add r8a774e1 support
  dt-bindings: clock: renesas,cpg-mssr: Document r8a774e1
  clk: Drop duplicate selection in Kconfig
  clk: qcom: smd: Add support for MSM8992/4 rpm clocks
  clk: qcom: ipq8074: Add missing clocks for pcie
  dt-bindings: clock: qcom: ipq8074: Add missing bindings for PCIe
  Replace HTTP links with HTTPS ones: Common CLK framework
  clk: qcom: Add CPU clock driver for msm8996
  dt-bindings: clk: qcom: Add bindings for CPU clock for msm8996
  soc: qcom: Separate kryo l2 accessors from PMU driver
  clk: meson: meson8b: add the vclk2_en gate clock
  clk: meson: meson8b: add the vclk_en gate clock
  clk: qcom: Fix return value check in apss_ipq6018_probe()
  clk: bcm: dvp: Add missing module informations
  clk: meson: meson8b: Drop CLK_IS_CRITICAL from fclk_div2
  ...
2020-08-07 13:35:51 -07:00
Linus Torvalds f6235eb189 More power management updates for 5.9-rc1
- Add adaptive voltage scaling (AVS) support to the brcmstb cpufreq
    driver and clean it up (Florian Fainelli, Markus Mayer).
 
  - Add a new Tegra cpufreq driver and clean up the existing one (Jon
    Hunter, Sumit Gupta).
 
  - Add bandwidth level support to the Qcom cpufreq driver along with
    OPP changes (Sibi Sankar).
 
  - Clean up the sti, cpufreq-dt, ap806, CPPC cpufreq drivers (Viresh
    Kumar, Lee Jones, Ivan Kokshaysky, Sven Auhagen, Xin Hao).
 
  - Make schedutil the default governor for ARM (Valentin Schneider).
 
  - Fix dependency issues for the imx cpufreq driver (Walter Lozano).
 
  - Clean up cached_resolved_idx handlihng in the cpufreq core (Viresh
    Kumar).
 
  - Fix the intel_pstate driver to use the correct maximum frequency
    value when MSR_TURBO_RATIO_LIMIT is 0 (Srinivas Pandruvada).
 
  - Provide kenrneldoc comments for multiple runtime PM helpers and
    improve the pm_runtime_get_if_active() kerneldoc (Rafael Wysocki).
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Merge tag 'pm-5.9-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull more power management updates from Rafael Wysocki:
 "These are mostly ARM cpufreq driver updates plus a cpufreq core
  cleanup, an ARM-wide change to make schedutil the default scaling
  governor, an intel_pstate driver fix and some runtime PM changes
  regarding kerneldoc comments.

  Specifics:

   - Add adaptive voltage scaling (AVS) support to the brcmstb cpufreq
     driver and clean it up (Florian Fainelli, Markus Mayer).

   - Add a new Tegra cpufreq driver and clean up the existing one (Jon
     Hunter, Sumit Gupta).

   - Add bandwidth level support to the Qcom cpufreq driver along with
     OPP changes (Sibi Sankar).

   - Clean up the sti, cpufreq-dt, ap806, CPPC cpufreq drivers (Viresh
     Kumar, Lee Jones, Ivan Kokshaysky, Sven Auhagen, Xin Hao).

   - Make schedutil the default governor for ARM (Valentin Schneider).

   - Fix dependency issues for the imx cpufreq driver (Walter Lozano).

   - Clean up cached_resolved_idx handlihng in the cpufreq core (Viresh
     Kumar).

   - Fix the intel_pstate driver to use the correct maximum frequency
     value when MSR_TURBO_RATIO_LIMIT is 0 (Srinivas Pandruvada).

   - Provide kenrneldoc comments for multiple runtime PM helpers and
     improve the pm_runtime_get_if_active() kerneldoc (Rafael Wysocki)"

* tag 'pm-5.9-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (22 commits)
  cpufreq: intel_pstate: Fix cpuinfo_max_freq when MSR_TURBO_RATIO_LIMIT is 0
  PM: runtime: Improve kerneldoc of pm_runtime_get_if_active()
  PM: runtime: Add kerneldoc comments to multiple helpers
  cpufreq: make schedutil the default for arm and arm64
  cpufreq: cached_resolved_idx can not be negative
  cpufreq: Add Tegra194 cpufreq driver
  dt-bindings: arm: Add NVIDIA Tegra194 CPU Complex binding
  cpufreq: imx: Select NVMEM_IMX_OCOTP
  cpufreq: sti-cpufreq: Fix some formatting and misspelling issues
  cpufreq: tegra186: Simplify probe return path
  cpufreq: CPPC: Reuse caps variable in few routines
  cpufreq: ap806: fix cpufreq driver needs ap cpu clk
  cpufreq: cppc: Reorder code and remove apply_hisi_workaround variable
  cpufreq: dt: fix oops on armada37xx
  cpufreq: brcmstb-avs-cpufreq: send S2_ENTER / S2_EXIT commands to AVS
  cpufreq: brcmstb-avs-cpufreq: Support polling AVS firmware
  cpufreq: brcmstb-avs-cpufreq: more flexible interface for __issue_avs_command()
  cpufreq: qcom: Disable fast switch when scaling DDR/L3
  cpufreq: qcom: Update the bandwidth levels on frequency change
  OPP: Add and export helper to set bandwidth
  ...
2020-08-07 13:13:09 -07:00
Linus Torvalds 2f12d44085 - DM multipath locking fixes around m->flags tests and improvements to
bio-based code so that it follows patterns established by
   request-based code.
 
 - Request-based DM core improvement to eliminate unnecessary call to
   blk_mq_queue_stopped().
 
 - Add "panic_on_corruption" error handling mode to DM verity target.
 
 - DM bufio fix to to perform buffer cleanup from a workqueue rather
   than wait for IO in reclaim context from shrinker.
 
 - DM crypt improvement to optionally avoid async processing via
   workqueues for reads and/or writes -- via "no_read_workqueue" and
   "no_write_workqueue" features.  This more direct IO processing
   improves latency and throughput with faster storage.  Avoiding
   workqueue IO submission for writes (DM_CRYPT_NO_WRITE_WORKQUEUE) is
   a requirement for adding zoned block device support to DM crypt.
 
 - Add zoned block device support to DM crypt.  Makes use of
   DM_CRYPT_NO_WRITE_WORKQUEUE and a new optional feature
   (DM_CRYPT_WRITE_INLINE) that allows write completion to wait for
   encryption to complete.  This allows write ordering to be preserved,
   which is needed for zoned block devices.
 
 - Fix DM ebs target's check for REQ_OP_FLUSH.
 
 - Fix DM core's report zones support to not report more zones than
   were requested.
 
 - A few small compiler warning fixes.
 
 - DM dust improvements to return output directly to the user rather
   than require they scrape the system log for output.
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Merge tag 'for-5.9/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Pull device mapper updates from Mike Snitzer:

 - DM multipath locking fixes around m->flags tests and improvements to
   bio-based code so that it follows patterns established by
   request-based code.

 - Request-based DM core improvement to eliminate unnecessary call to
   blk_mq_queue_stopped().

 - Add "panic_on_corruption" error handling mode to DM verity target.

 - DM bufio fix to to perform buffer cleanup from a workqueue rather
   than wait for IO in reclaim context from shrinker.

 - DM crypt improvement to optionally avoid async processing via
   workqueues for reads and/or writes -- via "no_read_workqueue" and
   "no_write_workqueue" features. This more direct IO processing
   improves latency and throughput with faster storage. Avoiding
   workqueue IO submission for writes (DM_CRYPT_NO_WRITE_WORKQUEUE) is a
   requirement for adding zoned block device support to DM crypt.

 - Add zoned block device support to DM crypt. Makes use of
   DM_CRYPT_NO_WRITE_WORKQUEUE and a new optional feature
   (DM_CRYPT_WRITE_INLINE) that allows write completion to wait for
   encryption to complete. This allows write ordering to be preserved,
   which is needed for zoned block devices.

 - Fix DM ebs target's check for REQ_OP_FLUSH.

 - Fix DM core's report zones support to not report more zones than were
   requested.

 - A few small compiler warning fixes.

 - DM dust improvements to return output directly to the user rather
   than require they scrape the system log for output.

* tag 'for-5.9/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
  dm: don't call report zones for more than the user requested
  dm ebs: Fix incorrect checking for REQ_OP_FLUSH
  dm init: Set file local variable static
  dm ioctl: Fix compilation warning
  dm raid: Remove empty if statement
  dm verity: Fix compilation warning
  dm crypt: Enable zoned block device support
  dm crypt: add flags to optionally bypass kcryptd workqueues
  dm bufio: do buffer cleanup from a workqueue
  dm rq: don't call blk_mq_queue_stopped() in dm_stop_queue()
  dm dust: add interface to list all badblocks
  dm dust: report some message results directly back to user
  dm verity: add "panic_on_corruption" error handling mode
  dm mpath: use double checked locking in fast path
  dm mpath: rename current_pgpath to pgpath in multipath_prepare_ioctl
  dm mpath: rework __map_bio()
  dm mpath: factor out multipath_queue_bio
  dm mpath: push locking down to must_push_back_rq()
  dm mpath: take m->lock spinlock when testing QUEUE_IF_NO_PATH
  dm mpath: changes from initial m->flags locking audit
2020-08-07 13:08:09 -07:00
Linus Torvalds fa73e21231 media updates for v5.9-rc1
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Merge tag 'media/v5.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media updates from Mauro Carvalho Chehab:

 - Legacy soc_camera driver was removed from staging

 - New I2C sensor related drivers: dw9768, ch7322, max9271, rdacm20

 - TI vpe driver code was re-organized and had new features added

 - Added Xilinx MIPI CSI-2 Rx Subsystem driver

 - Added support for Infrared Toy and IR Droid devices

 - Lots of random driver fixes, new features and cleanups

* tag 'media/v5.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (318 commits)
  media: camss: fix memory leaks on error handling paths in probe
  media: davinci: vpif_capture: fix potential double free
  media: radio: remove redundant assignment to variable retval
  media: allegro: fix potential null dereference on header
  media: mtk-mdp: Fix a refcounting bug on error in init
  media: allegro: fix an error pointer vs NULL check
  media: meye: fix missing pm_mchip_mode field
  media: cafe-driver: use generic power management
  media: saa7164: use generic power management
  media: v4l2-dev/ioctl: Fix document for VIDIOC_QUERYCAP
  media: v4l2: Correct kernel-doc inconsistency
  media: v4l2: Correct kernel-doc inconsistency
  media: dvbdev.h: keep * together with the type
  media: v4l2-subdev.h: keep * together with the type
  media: videobuf2: Print videobuf2 buffer state by name
  media: colorspaces-details.rst: fix V4L2_COLORSPACE_JPEG description
  media: tw68: use generic power management
  media: meye: use generic power management
  media: cx88: use generic power management
  media: cx25821: use generic power management
  ...
2020-08-07 13:00:53 -07:00
Linus Torvalds 75dee3b6de - mediatek :
add support for mt6779 gce
     shutdown cleanup and address shift support
 - qcom :
     add msm8994 apcs and sdm660 hmss compatibility
 - imx :
     mark PM funcs __maybe
 - pcc :
     put acpi table before bailout
 - misc:
     replace http with https links
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Merge tag 'mailbox-v5.9' of git://git.linaro.org/landing-teams/working/fujitsu/integration

Pull mailbox updates from Jassi Brar:
 "mediatek:
   - add support for mt6779 gce
   - shutdown cleanup and address shift support

  qcom:
   - add msm8994 apcs and sdm660 hmss compatibility

  imx:
   - mark PM funcs __maybe

  pcc:
   - put acpi table before bailout

  misc:
   - replace http with https links"

* tag 'mailbox-v5.9' of git://git.linaro.org/landing-teams/working/fujitsu/integration:
  mailbox: mediatek: cmdq: clear task in channel before shutdown
  mailbox: cmdq: support mt6779 gce platform definition
  mailbox: cmdq: variablize address shift in platform
  dt-binding: gce: add gce header file for mt6779
  mailbox: qcom: Add msm8994 apcs compatible
  mailbox: qcom: Add sdm660 hmss compatible
  mailbox: imx: Mark PM functions as __maybe_unused
  mailbox: pcc: Put the PCCT table for error path
  mailbox: Replace HTTP links with HTTPS ones
2020-08-07 12:58:11 -07:00
Linus Torvalds ce615f5c1f dmaengine updates for v5.9-rc1
Core:
  - Support out of order dma completion
  - Support for repeating transaction
 
 New controllers:
  - Support for Actions S700 DMA engine
  - Renesas R8A774E1, r8a7742 controller binding
  - New driver for Xilinx DPDMA controller
 
 Others:
  - Support of out of order dma completion in idxd driver
  - W=1 warning cleanup of subsystem
  - Updates to ti-k3-dma, dw, idxd drivers
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Merge tag 'dmaengine-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine

Pull dmaengine updates from Vinod Koul:
 "Core:
   - Support out of order dma completion
   - Support for repeating transaction

  New controllers:
   - Support for Actions S700 DMA engine
   - Renesas R8A774E1, r8a7742 controller binding
   - New driver for Xilinx DPDMA controller

  Other:
   - Support of out of order dma completion in idxd driver
   - W=1 warning cleanup of subsystem
   - Updates to ti-k3-dma, dw, idxd drivers"

* tag 'dmaengine-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (68 commits)
  dmaengine: dw: Don't include unneeded header to platform data header
  dmaengine: Actions: Add support for S700 DMA engine
  dmaengine: Actions: get rid of bit fields from dma descriptor
  dt-bindings: dmaengine: convert Actions Semi Owl SoCs bindings to yaml
  dmaengine: idxd: add missing invalid flags field to completion
  dmaengine: dw: Initialize max_sg_burst capability
  dmaengine: dw: Introduce max burst length hw config
  dmaengine: dw: Initialize min and max burst DMA device capability
  dmaengine: dw: Set DMA device max segment size parameter
  dmaengine: dw: Take HC_LLP flag into account for noLLP auto-config
  dmaengine: Introduce DMA-device device_caps callback
  dmaengine: Introduce max SG burst capability
  dmaengine: Introduce min burst length capability
  dt-bindings: dma: dw: Add max burst transaction length property
  dt-bindings: dma: dw: Convert DW DMAC to DT binding
  dmaengine: ti: k3-udma: Query throughput level information from hardware
  dmaengine: ti: k3-udma: Use defines for capabilities register parsing
  dmaengine: xilinx: dpdma: Fix kerneldoc warning
  dmaengine: xilinx: dpdma: add missing kernel doc
  dmaengine: xilinx: dpdma: remove comparison of unsigned expression
  ...
2020-08-07 12:41:36 -07:00
Linus Torvalds 81e11336d9 Merge branch 'akpm' (patches from Andrew)
Merge misc updates from Andrew Morton:

 - a few MM hotfixes

 - kthread, tools, scripts, ntfs and ocfs2

 - some of MM

Subsystems affected by this patch series: kthread, tools, scripts, ntfs,
ocfs2 and mm (hofixes, pagealloc, slab-generic, slab, slub, kcsan,
debug, pagecache, gup, swap, shmem, memcg, pagemap, mremap, mincore,
sparsemem, vmalloc, kasan, pagealloc, hugetlb and vmscan).

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (162 commits)
  mm: vmscan: consistent update to pgrefill
  mm/vmscan.c: fix typo
  khugepaged: khugepaged_test_exit() check mmget_still_valid()
  khugepaged: retract_page_tables() remember to test exit
  khugepaged: collapse_pte_mapped_thp() protect the pmd lock
  khugepaged: collapse_pte_mapped_thp() flush the right range
  mm/hugetlb: fix calculation of adjust_range_if_pmd_sharing_possible
  mm: thp: replace HTTP links with HTTPS ones
  mm/page_alloc: fix memalloc_nocma_{save/restore} APIs
  mm/page_alloc.c: skip setting nodemask when we are in interrupt
  mm/page_alloc: fallbacks at most has 3 elements
  mm/page_alloc: silence a KASAN false positive
  mm/page_alloc.c: remove unnecessary end_bitidx for [set|get]_pfnblock_flags_mask()
  mm/page_alloc.c: simplify pageblock bitmap access
  mm/page_alloc.c: extract the common part in pfn_to_bitidx()
  mm/page_alloc.c: replace the definition of NR_MIGRATETYPE_BITS with PB_migratetype_bits
  mm/shuffle: remove dynamic reconfiguration
  mm/memory_hotplug: document why shuffle_zone() is relevant
  mm/page_alloc: remove nr_free_pagecache_pages()
  mm: remove vm_total_pages
  ...
2020-08-07 11:39:33 -07:00
Walter Wu 9793b62663 kasan: update documentation for generic kasan
Generic KASAN will support to record the last two call_rcu() call stacks
and print them in KASAN report.  So that need to update documentation.

Signed-off-by: Walter Wu <walter-zh.wu@mediatek.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Tested-by: Dmitry Vyukov <dvyukov@google.com>
Reviewed-by: Dmitry Vyukov <dvyukov@google.com>
Reviewed-by: Andrey Konovalov <andreyknvl@google.com>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Cc: "Paul E . McKenney" <paulmck@kernel.org>
Cc: Josh Triplett <josh@joshtriplett.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Lai Jiangshan <jiangshanlai@gmail.com>
Cc: Joel Fernandes <joel@joelfernandes.org>
Link: http://lkml.kernel.org/r/20200601051111.1359-1-walter-zh.wu@mediatek.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-08-07 11:33:28 -07:00
Marco Elver ac4766be5e kasan: update required compiler versions in documentation
Updates the recently changed compiler requirements for KASAN.  In
particular, we require GCC >= 8.3.0, and add a note that Clang 11 supports
OOB detection of globals.

Fixes: 7b861a53e4 ("kasan: Bump required compiler version")
Fixes: acf7b0bf7d ("kasan: Fix required compiler version")
Signed-off-by: Marco Elver <elver@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Andrey Konovalov <andreyknvl@google.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Walter Wu <walter-zh.wu@mediatek.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Daniel Axtens <dja@axtens.net>
Link: http://lkml.kernel.org/r/20200629104157.3242503-2-elver@google.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-08-07 11:33:28 -07:00
Mike Rapoport c89ab04feb mm/sparse: cleanup the code surrounding memory_present()
After removal of CONFIG_HAVE_MEMBLOCK_NODE_MAP we have two equivalent
functions that call memory_present() for each region in memblock.memory:
sparse_memory_present_with_active_regions() and membocks_present().

Moreover, all architectures have a call to either of these functions
preceding the call to sparse_init() and in the most cases they are called
one after the other.

Mark the regions from memblock.memory as present during sparce_init() by
making sparse_init() call memblocks_present(), make memblocks_present()
and memory_present() functions static and remove redundant
sparse_memory_present_with_active_regions() function.

Also remove no longer required HAVE_MEMORY_PRESENT configuration option.

Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Link: http://lkml.kernel.org/r/20200712083130.22919-1-rppt@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-08-07 11:33:27 -07:00
Anshuman Khandual 56993b4e14 mm/sparsemem: enable vmem_altmap support in vmemmap_alloc_block_buf()
There are many instances where vmemap allocation is often switched between
regular memory and device memory just based on whether altmap is available
or not.  vmemmap_alloc_block_buf() is used in various platforms to
allocate vmemmap mappings.  Lets also enable it to handle altmap based
device memory allocation along with existing regular memory allocations.
This will help in avoiding the altmap based allocation switch in many
places.  To summarize there are two different methods to call
vmemmap_alloc_block_buf().

vmemmap_alloc_block_buf(size, node, NULL)   /* Allocate from system RAM */
vmemmap_alloc_block_buf(size, node, altmap) /* Allocate from altmap */

This converts altmap_alloc_block_buf() into a static function, drops it's
entry from the header and updates Documentation/vm/memory-model.rst.

Suggested-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Tested-by: Jia He <justin.he@arm.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Will Deacon <will@kernel.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Hsin-Yi Wang <hsinyi@chromium.org>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@linux.ibm.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Pavel Tatashin <pasha.tatashin@soleen.com>
Cc: Steve Capper <steve.capper@arm.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Yu Zhao <yuzhao@google.com>
Link: http://lkml.kernel.org/r/1594004178-8861-3-git-send-email-anshuman.khandual@arm.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-08-07 11:33:27 -07:00
Chris Down ea3271f719 tmpfs: support 64-bit inums per-sb
The default is still set to inode32 for backwards compatibility, but
system administrators can opt in to the new 64-bit inode numbers by
either:

1. Passing inode64 on the command line when mounting, or
2. Configuring the kernel with CONFIG_TMPFS_INODE64=y

The inode64 and inode32 names are used based on existing precedent from
XFS.

[hughd@google.com: Kconfig fixes]
  Link: http://lkml.kernel.org/r/alpine.LSU.2.11.2008011928010.13320@eggly.anvils

Signed-off-by: Chris Down <chris@chrisdown.name>
Signed-off-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Acked-by: Hugh Dickins <hughd@google.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Jeff Layton <jlayton@kernel.org>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Tejun Heo <tj@kernel.org>
Link: http://lkml.kernel.org/r/8b23758d0c66b5e2263e08baf9c4b6a7565cbd8f.1594661218.git.chris@chrisdown.name
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-08-07 11:33:24 -07:00
Anshuman Khandual b1d00007f2 Documentation/mm: add descriptions for arch page table helpers
This adds a specific description file for all arch page table helpers which
is in sync with the semantics being tested via CONFIG_DEBUG_VM_PGTABLE. All
future changes either to these descriptions here or the debug test should
always remain in sync.

[anshuman.khandual@arm.com: fold in Mike's patch for the rst document, fix typos in the rst document]
  Link: http://lkml.kernel.org/r/1594610587-4172-5-git-send-email-anshuman.khandual@arm.com

Suggested-by: Mike Rapoport <rppt@kernel.org>
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Mike Rapoport <rppt@linux.ibm.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Mike Rapoport <rppt@linux.ibm.com>
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Kirill A. Shutemov <kirill@shutemov.name>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Zi Yan <ziy@nvidia.com>
Link: http://lkml.kernel.org/r/1593996516-7186-5-git-send-email-anshuman.khandual@arm.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-08-07 11:33:23 -07:00
Vlastimil Babka 060807f841 mm, slub: make remaining slub_debug related attributes read-only
SLUB_DEBUG creates several files under /sys/kernel/slab/<cache>/ that can
be read to check if the respective debugging options are enabled for given
cache.  Some options, namely sanity_checks, trace, and failslab can be
also enabled and disabled at runtime by writing into the files.

The runtime toggling is racy.  Some options disable __CMPXCHG_DOUBLE when
enabled, which means that in case of concurrent allocations, some can
still use __CMPXCHG_DOUBLE and some not, leading to potential corruption.
The s->flags field is also not updated or checked atomically.  The
simplest solution is to remove the runtime toggling.  The extended
slub_debug boot parameter syntax introduced by earlier patch should allow
to fine-tune the debugging configuration during boot with same
granularity.

Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Acked-by: Roman Gushchin <guro@fb.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Jann Horn <jannh@google.com>
Cc: Vijayanand Jitta <vjitta@codeaurora.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Pekka Enberg <penberg@kernel.org>
Link: http://lkml.kernel.org/r/20200610163135.17364-5-vbabka@suse.cz
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-08-07 11:33:22 -07:00
Vlastimil Babka ad38b5b113 mm, slub: make some slub_debug related attributes read-only
SLUB_DEBUG creates several files under /sys/kernel/slab/<cache>/ that can
be read to check if the respective debugging options are enabled for given
cache.  The options can be also toggled at runtime by writing into the
files.  Some of those, namely red_zone, poison, and store_user can be
toggled only when no objects yet exist in the cache.

Vijayanand reports [1] that there is a problem with freelist randomization
if changing the debugging option's state results in different number of
objects per page, and the random sequence cache needs thus needs to be
recomputed.

However, another problem is that the check for "no objects yet exist in
the cache" is racy, as noted by Jann [2] and fixing that would add
overhead or otherwise complicate the allocation/freeing paths.  Thus it
would be much simpler just to remove the runtime toggling support.  The
documentation describes it's "In case you forgot to enable debugging on
the kernel command line", but the neccessity of having no objects limits
its usefulness anyway for many caches.

Vijayanand describes an use case [3] where debugging is enabled for all
but zram caches for memory overhead reasons, and using the runtime toggles
was the only way to achieve such configuration.  After the previous patch
it's now possible to do that directly from the kernel boot option, so we
can remove the dangerous runtime toggles by making the /sys attribute
files read-only.

While updating it, also improve the documentation of the debugging /sys files.

[1] https://lkml.kernel.org/r/1580379523-32272-1-git-send-email-vjitta@codeaurora.org
[2] https://lore.kernel.org/r/CAG48ez31PP--h6_FzVyfJ4H86QYczAFPdxtJHUEEan+7VJETAQ@mail.gmail.com
[3] https://lore.kernel.org/r/1383cd32-1ddc-4dac-b5f8-9c42282fa81c@codeaurora.org

Reported-by: Vijayanand Jitta <vjitta@codeaurora.org>
Reported-by: Jann Horn <jannh@google.com>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Acked-by: Roman Gushchin <guro@fb.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Pekka Enberg <penberg@kernel.org>
Link: http://lkml.kernel.org/r/20200610163135.17364-3-vbabka@suse.cz
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-08-07 11:33:22 -07:00
Vlastimil Babka e17f1dfba3 mm, slub: extend slub_debug syntax for multiple blocks
Patch series "slub_debug fixes and improvements".

The slub_debug kernel boot parameter can either apply a single set of
options to all caches or a list of caches.  There is a use case where
debugging is applied for all caches and then disabled at runtime for
specific caches, for performance and memory consumption reasons [1].  As
runtime changes are dangerous, extend the boot parameter syntax so that
multiple blocks of either global or slab-specific options can be
specified, with blocks delimited by ';'.  This will also support the use
case of [1] without runtime changes.

For details see the updated Documentation/vm/slub.rst

[1] https://lore.kernel.org/r/1383cd32-1ddc-4dac-b5f8-9c42282fa81c@codeaurora.org

[weiyongjun1@huawei.com: make parse_slub_debug_flags() static]
  Link: http://lkml.kernel.org/r/20200702150522.4940-1-weiyongjun1@huawei.com

Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Christoph Lameter <cl@linux.com>
Cc: Jann Horn <jannh@google.com>
Cc: Roman Gushchin <guro@fb.com>
Cc: Vijayanand Jitta <vjitta@codeaurora.org>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Link: http://lkml.kernel.org/r/20200610163135.17364-2-vbabka@suse.cz
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-08-07 11:33:22 -07:00
Alexander A. Klimov 4510a5a98a ocfs2: replace HTTP links with HTTPS ones
Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.

Deterministic algorithm:
For each file:
  If not .svg:
    For each line:
      If doesn't contain `xmlns`:
        For each link, `http://[^# 	]*(?:\w|/)`:
	  If neither `gnu\.org/license`, nor `mozilla\.org/MPL`:
            If both the HTTP and HTTPS versions
            return 200 OK and serve the same content:
              Replace HTTP with HTTPS.

Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Changwei Ge <gechangwei@live.cn>
Cc: Gang He <ghe@suse.com>
Cc: Jun Piao <piaojun@huawei.com>
Link: http://lkml.kernel.org/r/20200713174456.36596-1-grandmaster@al2klimov.de
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-08-07 11:33:22 -07:00
Linus Torvalds 25d8d4eeca powerpc updates for 5.9
- Add support for (optionally) using queued spinlocks & rwlocks.
 
  - Support for a new faster system call ABI using the scv instruction on Power9
    or later.
 
  - Drop support for the PROT_SAO mmap/mprotect flag as it will be unsupported on
    Power10 and future processors, leaving us with no way to implement the
    functionality it requests. This risks breaking userspace, though we believe
    it is unused in practice.
 
  - A bug fix for, and then the removal of, our custom stack expansion checking.
    We now allow stack expansion up to the rlimit, like other architectures.
 
  - Remove the remnants of our (previously disabled) topology update code, which
    tried to react to NUMA layout changes on virtualised systems, but was prone
    to crashes and other problems.
 
  - Add PMU support for Power10 CPUs.
 
  - A change to our signal trampoline so that we don't unbalance the link stack
    (branch return predictor) in the signal delivery path.
 
  - Lots of other cleanups, refactorings, smaller features and so on as usual.
 
 Thanks to:
   Abhishek Goel, Alastair D'Silva, Alexander A. Klimov, Alexey Kardashevskiy,
   Alistair Popple, Andrew Donnellan, Aneesh Kumar K.V, Anju T Sudhakar, Anton
   Blanchard, Arnd Bergmann, Athira Rajeev, Balamuruhan S, Bharata B Rao, Bill
   Wendling, Bin Meng, Cédric Le Goater, Chris Packham, Christophe Leroy,
   Christoph Hellwig, Daniel Axtens, Dan Williams, David Lamparter, Desnes A.
   Nunes do Rosario, Erhard F., Finn Thain, Frederic Barrat, Ganesh Goudar,
   Gautham R. Shenoy, Geoff Levand, Greg Kurz, Gustavo A. R. Silva, Hari Bathini,
   Harish, Imre Kaloz, Joel Stanley, Joe Perches, John Crispin, Jordan Niethe,
   Kajol Jain, Kamalesh Babulal, Kees Cook, Laurent Dufour, Leonardo Bras, Li
   RongQing, Madhavan Srinivasan, Mahesh Salgaonkar, Mark Cave-Ayland, Michal
   Suchanek, Milton Miller, Mimi Zohar, Murilo Opsfelder Araujo, Nathan
   Chancellor, Nathan Lynch, Naveen N. Rao, Nayna Jain, Nicholas Piggin, Oliver
   O'Halloran, Palmer Dabbelt, Pedro Miraglia Franco de Carvalho, Philippe
   Bergheaud, Pingfan Liu, Pratik Rajesh Sampat, Qian Cai, Qinglang Miao, Randy
   Dunlap, Ravi Bangoria, Sachin Sant, Sam Bobroff, Sandipan Das, Santosh
   Sivaraj, Satheesh Rajendran, Shirisha Ganta, Sourabh Jain, Srikar Dronamraju,
   Stan Johnson, Stephen Rothwell, Thadeu Lima de Souza Cascardo, Thiago Jung
   Bauermann, Tom Lane, Vaibhav Jain, Vladis Dronov, Wei Yongjun, Wen Xiong,
   YueHaibing.
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Merge tag 'powerpc-5.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc updates from Michael Ellerman:

 - Add support for (optionally) using queued spinlocks & rwlocks.

 - Support for a new faster system call ABI using the scv instruction on
   Power9 or later.

 - Drop support for the PROT_SAO mmap/mprotect flag as it will be
   unsupported on Power10 and future processors, leaving us with no way
   to implement the functionality it requests. This risks breaking
   userspace, though we believe it is unused in practice.

 - A bug fix for, and then the removal of, our custom stack expansion
   checking. We now allow stack expansion up to the rlimit, like other
   architectures.

 - Remove the remnants of our (previously disabled) topology update
   code, which tried to react to NUMA layout changes on virtualised
   systems, but was prone to crashes and other problems.

 - Add PMU support for Power10 CPUs.

 - A change to our signal trampoline so that we don't unbalance the link
   stack (branch return predictor) in the signal delivery path.

 - Lots of other cleanups, refactorings, smaller features and so on as
   usual.

Thanks to: Abhishek Goel, Alastair D'Silva, Alexander A. Klimov, Alexey
Kardashevskiy, Alistair Popple, Andrew Donnellan, Aneesh Kumar K.V, Anju
T Sudhakar, Anton Blanchard, Arnd Bergmann, Athira Rajeev, Balamuruhan
S, Bharata B Rao, Bill Wendling, Bin Meng, Cédric Le Goater, Chris
Packham, Christophe Leroy, Christoph Hellwig, Daniel Axtens, Dan
Williams, David Lamparter, Desnes A. Nunes do Rosario, Erhard F., Finn
Thain, Frederic Barrat, Ganesh Goudar, Gautham R. Shenoy, Geoff Levand,
Greg Kurz, Gustavo A. R. Silva, Hari Bathini, Harish, Imre Kaloz, Joel
Stanley, Joe Perches, John Crispin, Jordan Niethe, Kajol Jain, Kamalesh
Babulal, Kees Cook, Laurent Dufour, Leonardo Bras, Li RongQing, Madhavan
Srinivasan, Mahesh Salgaonkar, Mark Cave-Ayland, Michal Suchanek, Milton
Miller, Mimi Zohar, Murilo Opsfelder Araujo, Nathan Chancellor, Nathan
Lynch, Naveen N. Rao, Nayna Jain, Nicholas Piggin, Oliver O'Halloran,
Palmer Dabbelt, Pedro Miraglia Franco de Carvalho, Philippe Bergheaud,
Pingfan Liu, Pratik Rajesh Sampat, Qian Cai, Qinglang Miao, Randy
Dunlap, Ravi Bangoria, Sachin Sant, Sam Bobroff, Sandipan Das, Santosh
Sivaraj, Satheesh Rajendran, Shirisha Ganta, Sourabh Jain, Srikar
Dronamraju, Stan Johnson, Stephen Rothwell, Thadeu Lima de Souza
Cascardo, Thiago Jung Bauermann, Tom Lane, Vaibhav Jain, Vladis Dronov,
Wei Yongjun, Wen Xiong, YueHaibing.

* tag 'powerpc-5.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (337 commits)
  selftests/powerpc: Fix pkey syscall redefinitions
  powerpc: Fix circular dependency between percpu.h and mmu.h
  powerpc/powernv/sriov: Fix use of uninitialised variable
  selftests/powerpc: Skip vmx/vsx/tar/etc tests on older CPUs
  powerpc/40x: Fix assembler warning about r0
  powerpc/papr_scm: Add support for fetching nvdimm 'fuel-gauge' metric
  powerpc/papr_scm: Fetch nvdimm performance stats from PHYP
  cpuidle: pseries: Fixup exit latency for CEDE(0)
  cpuidle: pseries: Add function to parse extended CEDE records
  cpuidle: pseries: Set the latency-hint before entering CEDE
  selftests/powerpc: Fix online CPU selection
  powerpc/perf: Consolidate perf_callchain_user_[64|32]()
  powerpc/pseries/hotplug-cpu: Remove double free in error path
  powerpc/pseries/mobility: Add pr_debug() for device tree changes
  powerpc/pseries/mobility: Set pr_fmt()
  powerpc/cacheinfo: Warn if cache object chain becomes unordered
  powerpc/cacheinfo: Improve diagnostics about malformed cache lists
  powerpc/cacheinfo: Use name@unit instead of full DT path in debug messages
  powerpc/cacheinfo: Set pr_fmt()
  powerpc: fix function annotations to avoid section mismatch warnings with gcc-10
  ...
2020-08-07 10:33:50 -07:00
Linus Torvalds dbf8381731 RISC-V Patches for the 5.9 Merge Window, Part 1
We have a lot of new kernel features for this merge window:
 
 * ARCH_SUPPORTS_ATOMIC_RMW, to allow OSQ locks to be enabled.
 * The ability to enable NO_HZ_FULL
 * Support for enabling kcov, kmemleak, stack protector, and VM debugging.
 * JUMP_LABEL support.
 
 There are also a handful of cleanups.
 
 next points out a trivial Kconfig merge conflict.  I don't see any way to have
 done this better: the symbols are sorted, it just happens that
 HAVE_COPY_THREAD_TLS was in the middle of two new symbols.  In case it helps
 any, here's a pretty current conflict resolution:
 
 diff --cc arch/riscv/Kconfig
 index bc37241a6875,6c4bce7cad8a..7b5905529146
 --- a/arch/riscv/Kconfig
 +++ b/arch/riscv/Kconfig
 @@@ -57,9 -54,6 +59,8 @@@ config RISC
         select HAVE_ARCH_SECCOMP_FILTER
         select HAVE_ARCH_TRACEHOOK
         select HAVE_ASM_MODVERSIONS
  +      select HAVE_CONTEXT_TRACKING
 -       select HAVE_COPY_THREAD_TLS
  +      select HAVE_DEBUG_KMEMLEAK
         select HAVE_DMA_CONTIGUOUS if MMU
         select HAVE_EBPF_JIT if MMU
         select HAVE_FUTEX_CMPXCHG if FUTEX
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Merge tag 'riscv-for-linus-5.9-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux

Pull RISC-V updates from Palmer Dabbelt:
 "We have a lot of new kernel features for this merge window:

   - ARCH_SUPPORTS_ATOMIC_RMW, to allow OSQ locks to be enabled

   - The ability to enable NO_HZ_FULL

   - Support for enabling kcov, kmemleak, stack protector, and VM
     debugging

   - JUMP_LABEL support

  There are also a handful of cleanups"

* tag 'riscv-for-linus-5.9-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (24 commits)
  riscv: disable stack-protector for vDSO
  RISC-V: Fix build warning for smpboot.c
  riscv: fix build warning of mm/pageattr
  riscv: Fix build warning for mm/init
  RISC-V: Setup exception vector early
  riscv: Select ARCH_HAS_DEBUG_VM_PGTABLE
  riscv: Use generic pgprot_* macros from <linux/pgtable.h>
  mm: pgtable: Make generic pgprot_* macros available for no-MMU
  riscv: Cleanup unnecessary define in asm-offset.c
  riscv: Add jump-label implementation
  riscv: Support R_RISCV_ADD64 and R_RISCV_SUB64 relocs
  Replace HTTP links with HTTPS ones: RISC-V
  riscv: Add STACKPROTECTOR supported
  riscv: Fix typo in asm/hwcap.h uapi header
  riscv: Add kmemleak support
  riscv: Allow building with kcov coverage
  riscv: Enable context tracking
  riscv: Support irq_work via self IPIs
  riscv: Enable LOCKDEP_SUPPORT & fixup TRACE_IRQFLAGS_SUPPORT
  riscv: Fixup lockdep_assert_held with wrong param cpu_running
  ...
2020-08-07 10:11:12 -07:00
Alan Maguire 7fb20f9e90 bpf, doc: Remove references to warning message when using bpf_trace_printk()
The BPF helper bpf_trace_printk() no longer uses trace_printk();
it is now triggers a dedicated trace event.  Hence the described
warning is no longer present, so remove the discussion of it as
it may confuse people.

Fixes: ac5a72ea5c ("bpf: Use dedicated bpf_trace_printk event instead of trace_printk()")
Signed-off-by: Alan Maguire <alan.maguire@oracle.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/1596801029-32395-1-git-send-email-alan.maguire@oracle.com
2020-08-07 18:44:56 +02:00
Richard Weinberger 6a1380271b Core changes:
* Drop useless 'depends on' in Kconfig
 * Add an extra level in the Kconfig hierarchy
 * Trivial spellings
 * Dynamic allocation of the interface configurations
 * Dropping the default ONFI timing mode
 * Various cleanup (types, structures, naming, comments)
 * Hide the chip->data_interface indirection
 * Add the generic rb-gpios property
 * Add the ->choose_interface_config() hook
 * Introduce nand_choose_best_sdr_timings()
 * Use default values for tPROG_max and tBERS_max
 * Avoid redefining tR_max and tCCS_min
 * Add a helper to find the closest ONFI mode
 * bcm63xx MTD parsers: simplify CFE detection
 
 Raw NAND controller drivers changes:
 * fsl-upm: Deprecation of specific DT properties
 * fsl_upm: Driver rework and cleanup in favor of ->exec_op()
 * Ingenic: Cleanup ARRAY_SIZE() vs sizeof() use
 * brcmnand: ECC error handling on EDU transfers
 * brcmnand: Don't default to EDU transfers
 * qcom: Set BAM mode only if not set already
 * qcom: Avoid write to unavailable register
 * gpio: Driver rework in favor of ->exec_op()
 * tango: ->exec_op() conversion
 * mtk: ->exec_op() conversion
 
 Raw NAND chip drivers changes:
 * toshiba: Implement ->choose_interface_config() for TH58NVG2S3HBAI4
 * toshiba: Implement ->choose_interface_config() for TC58NVG0S3E
 * toshiba: Implement ->choose_interface_config() for TC58TEG5DCLTA00
 * hynix: Implement ->choose_interface_config() for H27UCG8T2ATR-BC
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Merge tag 'nand/for-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux into mtd/next

Core changes:
* Drop useless 'depends on' in Kconfig
* Add an extra level in the Kconfig hierarchy
* Trivial spellings
* Dynamic allocation of the interface configurations
* Dropping the default ONFI timing mode
* Various cleanup (types, structures, naming, comments)
* Hide the chip->data_interface indirection
* Add the generic rb-gpios property
* Add the ->choose_interface_config() hook
* Introduce nand_choose_best_sdr_timings()
* Use default values for tPROG_max and tBERS_max
* Avoid redefining tR_max and tCCS_min
* Add a helper to find the closest ONFI mode
* bcm63xx MTD parsers: simplify CFE detection

Raw NAND controller drivers changes:
* fsl-upm: Deprecation of specific DT properties
* fsl_upm: Driver rework and cleanup in favor of ->exec_op()
* Ingenic: Cleanup ARRAY_SIZE() vs sizeof() use
* brcmnand: ECC error handling on EDU transfers
* brcmnand: Don't default to EDU transfers
* qcom: Set BAM mode only if not set already
* qcom: Avoid write to unavailable register
* gpio: Driver rework in favor of ->exec_op()
* tango: ->exec_op() conversion
* mtk: ->exec_op() conversion

Raw NAND chip drivers changes:
* toshiba: Implement ->choose_interface_config() for TH58NVG2S3HBAI4
* toshiba: Implement ->choose_interface_config() for TC58NVG0S3E
* toshiba: Implement ->choose_interface_config() for TC58TEG5DCLTA00
* hynix: Implement ->choose_interface_config() for H27UCG8T2ATR-BC
2020-08-07 08:54:16 +02:00
Vinod Koul 00043a2689 Merge branch 'topic/xilinx' into fixes
Conflicts:
	Documentation/driver-api/dmaengine/provider.rst
	include/linux/dmaengine.h
2020-08-07 11:13:37 +05:30
Linus Torvalds 09e70bb4d8 \n
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Merge tag 'for_v5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

Pull ext2, udf, reiserfs, quota cleanups and minor fixes from Jan Kara:
 "A few ext2 fixups and then several (mostly comment and documentation)
  cleanups in ext2, udf, reiserfs, and quota"

* tag 'for_v5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  reiserfs: delete duplicated words
  udf: osta_udf.h: delete a duplicated word
  reiserfs: reiserfs.h: delete a duplicated word
  ext2: ext2.h: fix duplicated word + typos
  udf: Replace HTTP links with HTTPS ones
  quota: Fixup http links in quota doc
  Replace HTTP links with HTTPS ones: DISKQUOTA
  ext2: initialize quota info in ext2_xattr_set()
  ext2: fix some incorrect comments in inode.c
  ext2: remove nocheck option
  ext2: fix missing percpu_counter_inc
  ext2: ext2_find_entry() return -ENOENT if no entry found
  ext2: propagate errors up to ext2_find_entry()'s callers
  ext2: fix improper assignment for e_value_offs
2020-08-06 19:28:26 -07:00
Linus Torvalds 96e3f3c16b - Add support to enable/disable the thermal zones resulting on core code and
drivers cleanup (Andrzej Pietrasiewicz)
 
 - Add generic netlink support for userspace notifications: events, temperature
   and discovery commands (Daniel Lezcano)
 
 - Fix redundant initialization for a ret variable (Colin Ian King)
 
 - Remove the clock cooling code as it is used nowhere (Amit Kucheria)
 
 - Add the rcar_gen3_thermal's r8a774e1 support (Marian-Cristian Rotariu)
 
 - Replace all references to thermal.txt in the documentation to the
   corresponding yaml files (Amit Kucheria)
 
 - Add maintainer entry for the IPA (Lukasz Luba)
 
 - Add support for MSM8939 for the tsens (Shawn Guo)
 
 - Update power allocator and devfreq cooling to SPDX licensing (Lukasz Luba)
 
 - Add Cannon Lake Low Power PCH support (Sumeet Pawnikar)
 
 - Add tsensor support for V2 mediatek thermal system (Henry Yen)
 
 - Fix thermal zone lookup by ID for the core code (Thierry Reding)
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Merge tag 'thermal-v5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux

Pull thermal updates from Daniel Lezcano:

 - Add support to enable/disable the thermal zones resulting on core
   code and drivers cleanup (Andrzej Pietrasiewicz)

 - Add generic netlink support for userspace notifications: events,
   temperature and discovery commands (Daniel Lezcano)

 - Fix redundant initialization for a ret variable (Colin Ian King)

 - Remove the clock cooling code as it is used nowhere (Amit Kucheria)

 - Add the rcar_gen3_thermal's r8a774e1 support (Marian-Cristian
   Rotariu)

 - Replace all references to thermal.txt in the documentation to the
   corresponding yaml files (Amit Kucheria)

 - Add maintainer entry for the IPA (Lukasz Luba)

 - Add support for MSM8939 for the tsens (Shawn Guo)

 - Update power allocator and devfreq cooling to SPDX licensing (Lukasz
   Luba)

 - Add Cannon Lake Low Power PCH support (Sumeet Pawnikar)

 - Add tsensor support for V2 mediatek thermal system (Henry Yen)

 - Fix thermal zone lookup by ID for the core code (Thierry Reding)

* tag 'thermal-v5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux: (40 commits)
  thermal: intel: intel_pch_thermal: Add Cannon Lake Low Power PCH support
  thermal: mediatek: Add tsensor support for V2 thermal system
  thermal: mediatek: Prepare to add support for other platforms
  thermal: Update power allocator and devfreq cooling to SPDX licensing
  MAINTAINERS: update entry to thermal governors file name prefixing
  thermal: core: Add thermal zone enable/disable notification
  thermal: qcom: tsens-v0_1: Add support for MSM8939
  dt-bindings: tsens: qcom: Document MSM8939 compatible
  thermal: core: Fix thermal zone lookup by ID
  thermal: int340x: processor_thermal: fix: update Jasper Lake PCI id
  thermal: imx8mm: Support module autoloading
  thermal: ti-soc-thermal: Fix reversed condition in ti_thermal_expose_sensor()
  MAINTAINERS: Add maintenance information for IPA
  thermal: rcar_gen3_thermal: Do not shadow thcode variable
  dt-bindings: thermal: Get rid of thermal.txt and replace references
  thermal: core: Move initialization after core initcall
  thermal: netlink: Improve the initcall ordering
  net: genetlink: Move initialization to core_initcall
  thermal: rcar_gen3_thermal: Add r8a774e1 support
  thermal/drivers/clock_cooling: Remove clock_cooling code
  ...
2020-08-06 18:10:55 -07:00
Sebastian Reichel d862a3068e Input: exc3000 - add support to query model and fw_version
Expose model and fw_version via sysfs. Also query the model
in probe to make sure, that the I2C communication with the
device works before successfully probing the driver.

This is a bit complicated, since EETI devices do not have
a sync interface. Sending the commands and directly reading
does not work. Sending the command and waiting for some time
is also not an option, since there might be touch events in
the mean time.

Last but not least we do not cache the results, since this
interface can be used to check the I2C communication is still
working as expected.

Reviewed-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20200805160520.456570-5-sebastian.reichel@collabora.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2020-08-06 17:34:19 -07:00
Sebastian Reichel 27aced19e0 Input: exc3000 - add reset gpio support
Add basic support for an optional reset gpio.

Reviewed-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20200805160520.456570-4-sebastian.reichel@collabora.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2020-08-06 17:34:18 -07:00
Sebastian Reichel 3bdd21c693 Input: exc3000 - add EXC80H60 and EXC80H84 support
This adds support for EXC80H60 and EXCH84 controllers, which
use a different event type id and have two extra bits for the
resolution (so the maximum is 16K instead of 4K).

Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20200805160520.456570-3-sebastian.reichel@collabora.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2020-08-06 17:34:17 -07:00
Sebastian Reichel 1053653ffa dt-bindings: touchscreen: Convert EETI EXC3000 touchscreen to json-schema
Convert the EETI EXC3000 binding to DT schema format using json-schema

Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20200805160520.456570-2-sebastian.reichel@collabora.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2020-08-06 17:34:16 -07:00
Linus Torvalds dfdf16ecfd SCSI misc on 20200806
This series consists of the usual driver updates (ufs, qla2xxx, tcmu,
 lpfc, hpsa, zfcp, scsi_debug) and minor bug fixes.  We also have a
 huge docbook fix update like most other subsystems and no major update
 to the core (the few non trivial updates are either minor fixes or
 removing an unused feature [scsi_sdb_cache]).
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI updates from James Bottomley:
 "This consists of the usual driver updates (ufs, qla2xxx, tcmu, lpfc,
  hpsa, zfcp, scsi_debug) and minor bug fixes.

  We also have a huge docbook fix update like most other subsystems and
  no major update to the core (the few non trivial updates are either
  minor fixes or removing an unused feature [scsi_sdb_cache])"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (307 commits)
  scsi: scsi_transport_srp: Sanitize scsi_target_block/unblock sequences
  scsi: ufs-mediatek: Apply DELAY_AFTER_LPM quirk to Micron devices
  scsi: ufs: Introduce device quirk "DELAY_AFTER_LPM"
  scsi: virtio-scsi: Correctly handle the case where all LUNs are unplugged
  scsi: scsi_debug: Implement tur_ms_to_ready parameter
  scsi: scsi_debug: Fix request sense
  scsi: lpfc: Fix typo in comment for ULP
  scsi: ufs-mediatek: Prevent LPM operation on undeclared VCC
  scsi: iscsi: Do not put host in iscsi_set_flashnode_param()
  scsi: hpsa: Correct ctrl queue depth
  scsi: target: tcmu: Make TMR notification optional
  scsi: target: tcmu: Implement tmr_notify callback
  scsi: target: tcmu: Fix and simplify timeout handling
  scsi: target: tcmu: Factor out new helper ring_insert_padding
  scsi: target: tcmu: Do not queue aborted commands
  scsi: target: tcmu: Use priv pointer in se_cmd
  scsi: target: Add tmr_notify backend function
  scsi: target: Modify core_tmr_abort_task()
  scsi: target: iscsi: Fix inconsistent debug message
  scsi: target: iscsi: Fix login error when receiving
  ...
2020-08-06 16:50:07 -07:00
Pawan Gupta f29dfa53cc x86/bugs/multihit: Fix mitigation reporting when VMX is not in use
On systems that have virtualization disabled or unsupported, sysfs
mitigation for X86_BUG_ITLB_MULTIHIT is reported incorrectly as:

  $ cat /sys/devices/system/cpu/vulnerabilities/itlb_multihit
  KVM: Vulnerable

System is not vulnerable to DoS attack from a rogue guest when
virtualization is disabled or unsupported in the hardware. Change the
mitigation reporting for these cases.

Fixes: b8e8c8303f ("kvm: mmu: ITLB_MULTIHIT mitigation")
Reported-by: Nelson Dsouza <nelson.dsouza@linux.intel.com>
Co-developed-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/0ba029932a816179b9d14a30db38f0f11ef1f166.1594925782.git.pawan.kumar.gupta@linux.intel.com
2020-08-07 01:32:00 +02:00
Linus Torvalds d6efb3ac3e TTY/Serial patches for 5.9-rc1
Here is the large set of TTY and Serial driver patches for 5.9-rc1.
 
 Lots of bugfixes in here, thanks to syzbot fuzzing for serial and vt and
 console code.
 
 Other highlights include:
 	- much needed vt/vc code cleanup from Jiri Slaby
 	- 8250 driver fixes and additions
 	- various serial driver updates and feature enhancements
 	- locking cleanup for serial/console initializations
 	- other minor cleanups
 
 All of these have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial updates from Greg KH:
 "Here is the large set of TTY and Serial driver patches for 5.9-rc1.

  Lots of bugfixes in here, thanks to syzbot fuzzing for serial and vt
  and console code.

  Other highlights include:

   - much needed vt/vc code cleanup from Jiri Slaby

   - 8250 driver fixes and additions

   - various serial driver updates and feature enhancements

   - locking cleanup for serial/console initializations

   - other minor cleanups

  All of these have been in linux-next with no reported issues"

* tag 'tty-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (90 commits)
  MAINTAINERS: enlist Greg formally for console stuff
  vgacon: Fix for missing check in scrollback handling
  Revert "serial: 8250: Let serial core initialise spin lock"
  serial: 8250: Let serial core initialise spin lock
  tty: keyboard, do not speculate on func_table index
  serial: stm32: Add RS485 RTS GPIO control
  serial: 8250_dw: Fix common clocks usage race condition
  serial: 8250_dw: Pass the same rate to the clk round and set rate methods
  serial: 8250_dw: Simplify the ref clock rate setting procedure
  serial: 8250: Add 8250 port clock update method
  tty: serial: imx: add imx earlycon driver
  tty: serial: imx: enable imx serial console port as module
  tty/synclink: remove leftover bits of non-PCI card support
  tty: Use the preferred form for passing the size of a structure type
  tty: Fix identation issues in struct serial_struct32
  tty: Avoid the use of one-element arrays
  serial: msm_serial: add sparse context annotation
  serial: pmac_zilog: add sparse context annotation
  newport_con: vc_color is now in state
  serial: imx: use hrtimers for rs485 delays
  ...
2020-08-06 14:56:11 -07:00
Linus Torvalds c0c419c045 Staging/IIO driver patches for 5.9-rc1
Here is the large set of Staging and IIO driver patches for 5.9-rc1.
 
 Lots of churn here, but overall the size increase in lines added is
 small, while adding a load of new IIO drivers.
 
 Major things in here:
 	- lots and lots of IIO new drivers and frameworks added
 	- IIO driver fixes and updates
 	- lots of tiny coding style cleanups for staging drivers
 	- vc04_services major reworks and cleanups
 
 We had 3 set of drivers move out of staging in this round as well:
 	- wilc1000 wireless driver moved out of staging
 	- speakup moved out of staging
 	- most USB driver moved out of staging
 
 Full details are in the shortlog.
 
 All of these have been in linux-next with no reported issues.  The last
 few changes here were to resolve reported linux-next issues, and they
 seem to have resolved the problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging/IIO driver updates from Greg KH:
 "Here is the large set of Staging and IIO driver patches for 5.9-rc1.

  Lots of churn here, but overall the size increase in lines added is
  small, while adding a load of new IIO drivers.

  Major things in here:

   - lots and lots of IIO new drivers and frameworks added

   - IIO driver fixes and updates

   - lots of tiny coding style cleanups for staging drivers

   - vc04_services major reworks and cleanups

  We had 3 set of drivers move out of staging in this round as well:

   - wilc1000 wireless driver moved out of staging

   - speakup moved out of staging

   - most USB driver moved out of staging

  Full details are in the shortlog.

  All of these have been in linux-next with no reported issues. The last
  few changes here were to resolve reported linux-next issues, and they
  seem to have resolved the problems"

* tag 'staging-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (428 commits)
  staging: most: fix up movement of USB driver
  staging: rts5208: clear alignment style issues
  staging: r8188eu: replace rtw_netdev_priv define with inline function
  staging: netlogic: clear alignment style issues
  staging: android: ashmem: Fix lockdep warning for write operation
  drivers: most: add USB adapter driver
  staging: most: Use %pM format specifier for MAC addresses
  staging: ks7010: Use %pM format specifier for MAC addresses
  staging: qlge: qlge_dbg: removed comment repition
  staging: wfx: Use flex_array_size() helper in memcpy()
  staging: rtl8723bs: Align macro definitions
  staging: rtl8723bs: Clean up function declations
  staging: rtl8723bs: Fix coding style errors
  drivers: staging: audio: Fix the missing header file for helper file
  staging: greybus: audio: Enable GB codec, audio module compilation.
  staging: greybus: audio: Add helper APIs for dynamic audio modules
  staging: greybus: audio: Resolve compilation error in topology parser
  staging: greybus: audio: Resolve compilation errors for GB codec module
  staging: greybus: audio: Maintain jack list within GB Audio module
  staging: greybus: audio: Update snd_jack FW usage as per new APIs
  ...
2020-08-06 14:36:13 -07:00
Linus Torvalds 3f9df56480 sound updates for 5.9
This became wide and scattered updates all over the sound tree as
 diffstat shows: lots of (still ongoing) refactoring works in ASoC,
 fixes and cleanups caught by static analysis, inclusive term
 conversions as well as lots of new drivers.  Below are highlights:
 
 ASoC core:
 * API cleanups and conversions to the unified mute_stream() call
 * Simplify I/O helper functions
 * Use helper macros to retrieve RTD from substreams
 
 ASoC drivers:
 * Lots of fixes and cleanups in Intel ASoC drivers
 * Lots of new stuff: Freescale MQS and i.MX6sx, Intel KeemBay I2S,
   Maxim MAX98360A and MAX98373 SoundWire, various Mediatek boards,
   nVidia Tegra 186 and 210, RealTek RL6231, Samsung Midas and Aries
   boards, TI J721e EVM
 
 ALSA core:
 * Minor code refacotring for SG-buffer handling
 
 HD-audio:
 * Generalization of mute-LED handling with LED classdev
 * Intel silent stream support for HDMI
 * Device-specific fixes: CA0132, Loongson-3
 
 Others:
 * Usual USB- and HD-audio quirks for various devices
 * Fixes for echoaudio DMA position handling
 * Various documents and trivial fixes for sparse warnings
 * Conversion to adapt inclusive terms
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Merge tag 'sound-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound updates from Takashi Iwai:
 "This became wide and scattered updates all over the sound tree as
  diffstat shows: lots of (still ongoing) refactoring works in ASoC,
  fixes and cleanups caught by static analysis, inclusive term
  conversions as well as lots of new drivers. Below are highlights:

  ASoC core:
   - API cleanups and conversions to the unified mute_stream() call
   - Simplify I/O helper functions
   - Use helper macros to retrieve RTD from substreams

  ASoC drivers:
   - Lots of fixes and cleanups in Intel ASoC drivers
   - Lots of new stuff: Freescale MQS and i.MX6sx, Intel KeemBay I2S,
     Maxim MAX98360A and MAX98373 SoundWire, various Mediatek boards,
     nVidia Tegra 186 and 210, RealTek RL6231, Samsung Midas and Aries
     boards, TI J721e EVM

  ALSA core:
   - Minor code refacotring for SG-buffer handling

  HD-audio:
   - Generalization of mute-LED handling with LED classdev
   - Intel silent stream support for HDMI
   - Device-specific fixes: CA0132, Loongson-3

  Others:
   - Usual USB- and HD-audio quirks for various devices
   - Fixes for echoaudio DMA position handling
   - Various documents and trivial fixes for sparse warnings
   - Conversion to adopt inclusive terms"

* tag 'sound-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (479 commits)
  ALSA: pci: delete repeated words in comments
  ALSA: isa: delete repeated words in comments
  ALSA: hda/tegra: Add 100us dma stop delay
  ALSA: hda: Add dma stop delay variable
  ASoC: hda/tegra: Set buffer alignment to 128 bytes
  ALSA: seq: oss: Serialize ioctls
  ALSA: hda/hdmi: Add quirk to force connectivity
  ALSA: usb-audio: add startech usb audio dock name
  ALSA: usb-audio: Add support for Lenovo ThinkStation P620
  Revert "ALSA: hda: call runtime_allow() for all hda controllers"
  ALSA: hda/ca0132 - Fix AE-5 microphone selection commands.
  ALSA: hda/ca0132 - Add new quirk ID for Recon3D.
  ALSA: hda/ca0132 - Fix ZxR Headphone gain control get value.
  ALSA: hda/realtek: Add alc269/alc662 pin-tables for Loongson-3 laptops
  ALSA: docs: fix typo
  ALSA: doc: use correct config variable name
  ASoC: core: Two step component registration
  ASoC: core: Simplify snd_soc_component_initialize declaration
  ASoC: core: Relocate and expose snd_soc_component_initialize
  ASoC: sh: Replace 'select' DMADEVICES 'with depends on'
  ...
2020-08-06 14:27:31 -07:00
Linus Torvalds 921d2597ab s390: implement diag318
x86:
 * Report last CPU for debugging
 * Emulate smaller MAXPHYADDR in the guest than in the host
 * .noinstr and tracing fixes from Thomas
 * nested SVM page table switching optimization and fixes
 
 Generic:
 * Unify shadow MMU cache data structures across architectures
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull KVM updates from Paolo Bonzini:
 "s390:
   - implement diag318

  x86:
   - Report last CPU for debugging
   - Emulate smaller MAXPHYADDR in the guest than in the host
   - .noinstr and tracing fixes from Thomas
   - nested SVM page table switching optimization and fixes

  Generic:
   - Unify shadow MMU cache data structures across architectures"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (127 commits)
  KVM: SVM: Fix sev_pin_memory() error handling
  KVM: LAPIC: Set the TDCR settable bits
  KVM: x86: Specify max TDP level via kvm_configure_mmu()
  KVM: x86/mmu: Rename max_page_level to max_huge_page_level
  KVM: x86: Dynamically calculate TDP level from max level and MAXPHYADDR
  KVM: VXM: Remove temporary WARN on expected vs. actual EPTP level mismatch
  KVM: x86: Pull the PGD's level from the MMU instead of recalculating it
  KVM: VMX: Make vmx_load_mmu_pgd() static
  KVM: x86/mmu: Add separate helper for shadow NPT root page role calc
  KVM: VMX: Drop a duplicate declaration of construct_eptp()
  KVM: nSVM: Correctly set the shadow NPT root level in its MMU role
  KVM: Using macros instead of magic values
  MIPS: KVM: Fix build error caused by 'kvm_run' cleanup
  KVM: nSVM: remove nonsensical EXITINFO1 adjustment on nested NPF
  KVM: x86: Add a capability for GUEST_MAXPHYADDR < HOST_MAXPHYADDR support
  KVM: VMX: optimize #PF injection when MAXPHYADDR does not match
  KVM: VMX: Add guest physical address check in EPT violation and misconfig
  KVM: VMX: introduce vmx_need_pf_intercept
  KVM: x86: update exception bitmap on CPUID changes
  KVM: x86: rename update_bp_intercept to update_exception_bitmap
  ...
2020-08-06 12:59:31 -07:00
Linus Torvalds b62e419707 MIPS upates for v5.9
- improvements for Loongson64
 - extended ingenic support
 - removal of not maintained paravirt system type
 - cleanups and fixes
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Merge tag 'mips_5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux

Pull MIPS upates from Thomas Bogendoerfer:

 - improvements for Loongson64

 - extended ingenic support

 - removal of not maintained paravirt system type

 - cleanups and fixes

* tag 'mips_5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (81 commits)
  MIPS: SGI-IP27: always enable NUMA in Kconfig
  MAINTAINERS: Update KVM/MIPS maintainers
  MIPS: Update default config file for Loongson-3
  MIPS: KVM: Add kvm guest support for Loongson-3
  dt-bindings: mips: Document Loongson kvm guest board
  MIPS: handle Loongson-specific GSExc exception
  MIPS: add definitions for Loongson-specific CP0.Diag1 register
  MIPS: only register FTLBPar exception handler for supported models
  MIPS: ingenic: Hardcode mem size for qi,lb60 board
  MIPS: DTS: ingenic/qi,lb60: Add model and memory node
  MIPS: ingenic: Use fw_passed_dtb even if CONFIG_BUILTIN_DTB
  MIPS: head.S: Init fw_passed_dtb to builtin DTB
  of: address: Fix parser address/size cells initialization
  of_address: Guard of_bus_pci_get_flags with CONFIG_PCI
  MIPS: DTS: Fix number of msi vectors for Loongson64G
  MIPS: Loongson64: Add ISA node for LS7A PCH
  MIPS: Loongson64: DTS: Fix ISA and PCI I/O ranges for RS780E PCH
  MIPS: Loongson64: Enlarge IO_SPACE_LIMIT
  MIPS: Loongson64: Process ISA Node in DeviceTree
  of_address: Add bus type match for pci ranges parser
  ...
2020-08-06 10:54:07 -07:00
Linus Torvalds 40ddad1913 ARM development for 5.9-rc1:
- add arch/arm/Kbuild from Masahiro Yamada.
 - simplify act_mm macro, since it contains an open-coded
   get_thread_info.
 - VFP updates for Clang from Stefan Agner.
 - Fix unwinder for Clang from Nathan Huckleberry.
 - Remove unused it8152 PCI host controller, used by the removed cm-x2xx
   platforms from Mike Rapoport.
 - Further explanation of __range_ok().
 - Remove kimage_voffset that isn't used anymore from Marc Zyngier.
 - Drop ancient Thumb-2 workaround for old binutils from Ard Biesheuvel.
 - Documentation cleanup for mach-* from Pete Zaitcev.
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Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm

Pull ARM updates from Russell King:

 - add arch/arm/Kbuild from Masahiro Yamada.

 - simplify act_mm macro, since it contains an open-coded
   get_thread_info.

 - VFP updates for Clang from Stefan Agner.

 - Fix unwinder for Clang from Nathan Huckleberry.

 - Remove unused it8152 PCI host controller, used by the removed cm-x2xx
   platforms from Mike Rapoport.

 - Further explanation of __range_ok().

 - Remove kimage_voffset that isn't used anymore from Marc Zyngier.

 - Drop ancient Thumb-2 workaround for old binutils from Ard Biesheuvel.

 - Documentation cleanup for mach-* from Pete Zaitcev.

* tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm:
  ARM: 8996/1: Documentation/Clean up the description of mach-<class>
  ARM: 8995/1: drop Thumb-2 workaround for ancient binutils
  ARM: 8994/1: mm: drop kimage_voffset which was only used by KVM
  ARM: uaccess: add further explanation of __range_ok()
  ARM: 8993/1: remove it8152 PCI controller driver
  ARM: 8992/1: Fix unwind_frame for clang-built kernels
  ARM: 8991/1: use VFP assembler mnemonics if available
  ARM: 8990/1: use VFP assembler mnemonics in register load/store macros
  ARM: 8989/1: use .fpu assembler directives instead of assembler arguments
  ARM: 8982/1: mm: Simplify act_mm macro
  ARM: 8981/1: add arch/arm/Kbuild
2020-08-06 10:17:00 -07:00
Linus Torvalds bbcf9cd157 Xtensa updates for v5.9:
- add syscall audit support
 - add seccomp filter support
 - clean up make rules under arch/xtensa/boot
 - fix state management for exclusive access opcodes
 - fix build with PMU enabled
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Merge tag 'xtensa-20200805' of git://github.com/jcmvbkbc/linux-xtensa

Pull Xtensa updates from Max Filippov:

 - add syscall audit support

 - add seccomp filter support

 - clean up make rules under arch/xtensa/boot

 - fix state management for exclusive access opcodes

 - fix build with PMU enabled

* tag 'xtensa-20200805' of git://github.com/jcmvbkbc/linux-xtensa:
  xtensa: add missing exclusive access state management
  xtensa: fix xtensa_pmu_setup prototype
  xtensa: add boot subdirectories build artifacts to 'targets'
  xtensa: add uImage and xipImage to targets
  xtensa: move vmlinux.bin[.gz] to boot subdirectory
  xtensa: initialize_mmu.h: fix a duplicated word
  selftests/seccomp: add xtensa support
  xtensa: add seccomp support
  xtensa: expose syscall through user_pt_regs
  xtensa: add audit support
2020-08-06 10:07:40 -07:00
Jian-Jia Su d20dcbb2ba media: v4l2-dev/ioctl: Fix document for VIDIOC_QUERYCAP
V4L2_CAP_VIDEO_M2M is documented as 0x00004000
V4L2_CAP_VIDEO_M2M_MPLANE is documented as 0x00008000
This is different from the definition in include/uapi/linux/videodev2.h

Signed-off-by: Jian-Jia Su <jjsu@chromium.org>
Reviewed-by: Helen Koike <helen.koike@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2020-08-06 11:25:53 +02:00
Ingo Molnar a703f3633f Merge branch 'WIP.locking/seqlocks' into locking/urgent
Pick up the full seqlock series PeterZ is working on.

Signed-off-by: Ingo Molnar <mingo@kernel.org>
2020-08-06 10:16:38 +02:00
Linus Torvalds 47ec5303d7 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from David Miller:

 1) Support 6Ghz band in ath11k driver, from Rajkumar Manoharan.

 2) Support UDP segmentation in code TSO code, from Eric Dumazet.

 3) Allow flashing different flash images in cxgb4 driver, from Vishal
    Kulkarni.

 4) Add drop frames counter and flow status to tc flower offloading,
    from Po Liu.

 5) Support n-tuple filters in cxgb4, from Vishal Kulkarni.

 6) Various new indirect call avoidance, from Eric Dumazet and Brian
    Vazquez.

 7) Fix BPF verifier failures on 32-bit pointer arithmetic, from
    Yonghong Song.

 8) Support querying and setting hardware address of a port function via
    devlink, use this in mlx5, from Parav Pandit.

 9) Support hw ipsec offload on bonding slaves, from Jarod Wilson.

10) Switch qca8k driver over to phylink, from Jonathan McDowell.

11) In bpftool, show list of processes holding BPF FD references to
    maps, programs, links, and btf objects. From Andrii Nakryiko.

12) Several conversions over to generic power management, from Vaibhav
    Gupta.

13) Add support for SO_KEEPALIVE et al. to bpf_setsockopt(), from Dmitry
    Yakunin.

14) Various https url conversions, from Alexander A. Klimov.

15) Timestamping and PHC support for mscc PHY driver, from Antoine
    Tenart.

16) Support bpf iterating over tcp and udp sockets, from Yonghong Song.

17) Support 5GBASE-T i40e NICs, from Aleksandr Loktionov.

18) Add kTLS RX HW offload support to mlx5e, from Tariq Toukan.

19) Fix the ->ndo_start_xmit() return type to be netdev_tx_t in several
    drivers. From Luc Van Oostenryck.

20) XDP support for xen-netfront, from Denis Kirjanov.

21) Support receive buffer autotuning in MPTCP, from Florian Westphal.

22) Support EF100 chip in sfc driver, from Edward Cree.

23) Add XDP support to mvpp2 driver, from Matteo Croce.

24) Support MPTCP in sock_diag, from Paolo Abeni.

25) Commonize UDP tunnel offloading code by creating udp_tunnel_nic
    infrastructure, from Jakub Kicinski.

26) Several pci_ --> dma_ API conversions, from Christophe JAILLET.

27) Add FLOW_ACTION_POLICE support to mlxsw, from Ido Schimmel.

28) Add SK_LOOKUP bpf program type, from Jakub Sitnicki.

29) Refactor a lot of networking socket option handling code in order to
    avoid set_fs() calls, from Christoph Hellwig.

30) Add rfc4884 support to icmp code, from Willem de Bruijn.

31) Support TBF offload in dpaa2-eth driver, from Ioana Ciornei.

32) Support XDP_REDIRECT in qede driver, from Alexander Lobakin.

33) Support PCI relaxed ordering in mlx5 driver, from Aya Levin.

34) Support TCP syncookies in MPTCP, from Flowian Westphal.

35) Fix several tricky cases of PMTU handling wrt. briding, from Stefano
    Brivio.

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (2056 commits)
  net: thunderx: initialize VF's mailbox mutex before first usage
  usb: hso: remove bogus check for EINPROGRESS
  usb: hso: no complaint about kmalloc failure
  hso: fix bailout in error case of probe
  ip_tunnel_core: Fix build for archs without _HAVE_ARCH_IPV6_CSUM
  selftests/net: relax cpu affinity requirement in msg_zerocopy test
  mptcp: be careful on subflow creation
  selftests: rtnetlink: make kci_test_encap() return sub-test result
  selftests: rtnetlink: correct the final return value for the test
  net: dsa: sja1105: use detected device id instead of DT one on mismatch
  tipc: set ub->ifindex for local ipv6 address
  ipv6: add ipv6_dev_find()
  net: openvswitch: silence suspicious RCU usage warning
  Revert "vxlan: fix tos value before xmit"
  ptp: only allow phase values lower than 1 period
  farsync: switch from 'pci_' to 'dma_' API
  wan: wanxl: switch from 'pci_' to 'dma_' API
  hv_netvsc: do not use VF device if link is down
  dpaa2-eth: Fix passing zero to 'PTR_ERR' warning
  net: macb: Properly handle phylink on at91sam9x
  ...
2020-08-05 20:13:21 -07:00
Linus Torvalds 8186749621 drm next for 5.9-rc1
core:
 - add user def flag to cmd line modes
 - dma_fence_wait added might_sleep
 - dma-fence lockdep annotations
 - indefinite fences are bad documentation
 - gem CMA functions used in more drivers
 - struct mutex removal
 - more drm_ debug macro usage
 - set/drop master api fixes
 - fix for drm/mm hole size comparison
 - drm/mm remove invalid entry optimization
 - optimise drm/mm hole handling
 - VRR debugfs added
 - uncompressed AFBC modifier support
 - multiple display id blocks in EDID
 - multiple driver sg handling fixes
 - __drm_atomic_helper_crtc_reset in all drivers
 - managed vram helpers
 
 ttm:
 - ttm_mem_reg handling cleanup
 - remove bo offset field
 - drop CMA memtype flag
 - drop mappable flag
 
 xilinx:
 - New Xilinx ZynqMP DisplayPort Subsystem driver
 
 nouveau:
 - add CRC support
 - start using NVIDIA published class header files
 - convert all push buffer emission to new macros
 - Proper push buffer space management for EVO/NVD channels.
 - firmware loading fixes
 - 2MiB system memory pages support on Pascal and newer
 
 vkms:
 - larget cursor support
 
 i915:
 - Rocketlake platform enablement
 - Early DG1 enablement
 - Numerous GEM refactorings
 - DP MST fixes
 - FBC, PSR, Cursor, Color, Gamma fixes
 - TGL, RKL, EHL workaround updates
 - TGL 8K display support fixes
 - SDVO/HDMI/DVI fixes
 
 amdgpu:
 - Initial support for Sienna Cichlid GPU
 - Initial support for Navy Flounder GPU
 - SI UVD/VCE support
 - expose rotation property
 - Add support for unique id on Arcturus
 - Enable runtime PM on vega10 boards that support BACO
 - Skip BAR resizing if the bios already did id
 - Major swSMU code cleanup
 - Fixes for DCN bandwidth calculations
 
 amdkfd:
 - Track SDMA usage per process
 - SMI events interface
 
 radeon:
 - Default to on chip GART for AGP boards on all arches
 - Runtime PM reference count fixes
 
 msm:
 - headers regenerated causing churn
 - a650/a640 display and GPU enablement
 - dpu dither support for 6bpc panels
 - dpu cursor fix
 - dsi/mdp5 enablement for sdm630/sdm636/sdm66
 
 tegra:
 - video capture prep support
 - reflection support
 
 mediatek:
 - convert mtk_dsi to bridge API
 
 meson:
 - FBC support
 
 sun4i:
 - iommu support
 
 rockchip:
 - register locking fix
 - per-pixel alpha support PX30 VOP
 
 -
 mgag200:
 - ported to simple and shmem helpers
 - device init cleanups
 - use managed pci functions
 - dropped hw cursor support
 
 ast:
 - use managed pci functions
 - use managed VRAM helpers
 - rework cursor support
 
 malidp:
 - dev_groups support
 
 hibmc:
 - refactor hibmc_drv_vdac:
 
 vc4:
 - create TXP CRTC
 
 imx:
 - error path fixes and cleanups
 
 etnaviv:
 - clock handling and error handling cleanups
 - use pin_user_pages
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Merge tag 'drm-next-2020-08-06' of git://anongit.freedesktop.org/drm/drm

Pull drm updates from Dave Airlie:
 "New xilinx displayport driver, AMD support for two new GPUs (more
  header files), i915 initial support for RocketLake and some work on
  their DG1 (discrete chip).

  The core also grew some lockdep annotations to try and constrain what
  drivers do with dma-fences, and added some documentation on why the
  idea of indefinite fences doesn't work.

  The long list is below.

  I do have some fixes trees outstanding, but I'll follow up with those
  later.

  core:
   - add user def flag to cmd line modes
   - dma_fence_wait added might_sleep
   - dma-fence lockdep annotations
   - indefinite fences are bad documentation
   - gem CMA functions used in more drivers
   - struct mutex removal
   - more drm_ debug macro usage
   - set/drop master api fixes
   - fix for drm/mm hole size comparison
   - drm/mm remove invalid entry optimization
   - optimise drm/mm hole handling
   - VRR debugfs added
   - uncompressed AFBC modifier support
   - multiple display id blocks in EDID
   - multiple driver sg handling fixes
   - __drm_atomic_helper_crtc_reset in all drivers
   - managed vram helpers

  ttm:
   - ttm_mem_reg handling cleanup
   - remove bo offset field
   - drop CMA memtype flag
   - drop mappable flag

  xilinx:
   - New Xilinx ZynqMP DisplayPort Subsystem driver

  nouveau:
   - add CRC support
   - start using NVIDIA published class header files
   - convert all push buffer emission to new macros
   - Proper push buffer space management for EVO/NVD channels.
   - firmware loading fixes
   - 2MiB system memory pages support on Pascal and newer

  vkms:
   - larger cursor support

  i915:
   - Rocketlake platform enablement
   - Early DG1 enablement
   - Numerous GEM refactorings
   - DP MST fixes
   - FBC, PSR, Cursor, Color, Gamma fixes
   - TGL, RKL, EHL workaround updates
   - TGL 8K display support fixes
   - SDVO/HDMI/DVI fixes

  amdgpu:
   - Initial support for Sienna Cichlid GPU
   - Initial support for Navy Flounder GPU
   - SI UVD/VCE support
   - expose rotation property
   - Add support for unique id on Arcturus
   - Enable runtime PM on vega10 boards that support BACO
   - Skip BAR resizing if the bios already did id
   - Major swSMU code cleanup
   - Fixes for DCN bandwidth calculations

  amdkfd:
   - Track SDMA usage per process
   - SMI events interface

  radeon:
   - Default to on chip GART for AGP boards on all arches
   - Runtime PM reference count fixes

  msm:
   - headers regenerated causing churn
   - a650/a640 display and GPU enablement
   - dpu dither support for 6bpc panels
   - dpu cursor fix
   - dsi/mdp5 enablement for sdm630/sdm636/sdm66

  tegra:
   - video capture prep support
   - reflection support

  mediatek:
   - convert mtk_dsi to bridge API

  meson:
   - FBC support

  sun4i:
   - iommu support

  rockchip:
   - register locking fix
   - per-pixel alpha support PX30 VOP

  mgag200:
   - ported to simple and shmem helpers
   - device init cleanups
   - use managed pci functions
   - dropped hw cursor support

  ast:
   - use managed pci functions
   - use managed VRAM helpers
   - rework cursor support

  malidp:
   - dev_groups support

  hibmc:
   - refactor hibmc_drv_vdac:

  vc4:
   - create TXP CRTC

  imx:
   - error path fixes and cleanups

  etnaviv:
   - clock handling and error handling cleanups
   - use pin_user_pages"

* tag 'drm-next-2020-08-06' of git://anongit.freedesktop.org/drm/drm: (1747 commits)
  drm/msm: use kthread_create_worker instead of kthread_run
  drm/msm/mdp5: Add MDP5 configuration for SDM636/660
  drm/msm/dsi: Add DSI configuration for SDM660
  drm/msm/mdp5: Add MDP5 configuration for SDM630
  drm/msm/dsi: Add phy configuration for SDM630/636/660
  drm/msm/a6xx: add A640/A650 hwcg
  drm/msm/a6xx: hwcg tables in gpulist
  drm/msm/dpu: add SM8250 to hw catalog
  drm/msm/dpu: add SM8150 to hw catalog
  drm/msm/dpu: intf timing path for displayport
  drm/msm/dpu: set missing flush bits for INTF_2 and INTF_3
  drm/msm/dpu: don't use INTF_INPUT_CTRL feature on sdm845
  drm/msm/dpu: move some sspp caps to dpu_caps
  drm/msm/dpu: update UBWC config for sm8150 and sm8250
  drm/msm/dpu: use right setup_blend_config for sm8150 and sm8250
  drm/msm/a6xx: set ubwc config for A640 and A650
  drm/msm/adreno: un-open-code some packets
  drm/msm: sync generated headers
  drm/msm/a6xx: add build_bw_table for A640/A650
  drm/msm/a6xx: fix crashstate capture for A650
  ...
2020-08-05 19:50:06 -07:00
Linus Torvalds e4a7b2dc35 LEDs changes for 5.9-rc1.
Okay, so... this one is interesting. RGB LEDs are very common, and we
 need to have some kind of support for them. Multicolor is for
 arbitrary set of LEDs in one package, RGB is for LEDs that can produce
 full range of colors. We do not have real multicolor LED that is not
 RGB in the pipeline, so that one is disabled for now.
 
 You can expect this saga to continue with next pull requests.
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Merge tag 'leds-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds

Pull LED updates from Pavel Machek:
 "Okay, so... this one is interesting. RGB LEDs are very common, and we
  need to have some kind of support for them. Multicolor is for
  arbitrary set of LEDs in one package, RGB is for LEDs that can produce
  full range of colors. We do not have real multicolor LED that is not
  RGB in the pipeline, so that one is disabled for now.

  You can expect this saga to continue with next pull requests"

* tag 'leds-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds: (37 commits)
  MAINTAINERS: Remove myself as LED subsystem maintainer
  leds: disallow /sys/class/leds/*:multi:* for now
  leds: add RGB color option, as that is different from multicolor.
  Make LEDS_LP55XX_COMMON depend on I2C to fix build errors:
  Documentation: ABI: leds-turris-omnia: document sysfs attribute
  leds: initial support for Turris Omnia LEDs
  dt-bindings: leds: add cznic,turris-omnia-leds binding
  leds: pattern trigger -- check pattern for validity
  leds: Replace HTTP links with HTTPS ones
  leds: trigger: add support for LED-private device triggers
  leds: lp5521: Add multicolor framework multicolor brightness support
  leds: lp5523: Update the lp5523 code to add multicolor brightness function
  leds: lp55xx: Add multicolor framework support to lp55xx
  leds: lp55xx: Convert LED class registration to devm_*
  dt-bindings: leds: Convert leds-lp55xx to yaml
  leds: multicolor: Introduce a multicolor class definition
  leds: Add multicolor ID to the color ID list
  dt: bindings: Add multicolor class dt bindings documention
  leds: lp5523: Fix various formatting issues in the code
  leds: lp55xx: Fix file permissions to use DEVICE_ATTR macros
  ...
2020-08-05 19:24:27 -07:00
Bjorn Helgaas f8917db956 Merge branch 'pci/xilinx-cpm'
* pci/xilinx-cpm:
  PCI: xilinx-cpm: Add Versal CPM Root Port driver
  PCI: xilinx-cpm: Add YAML schemas for Versal CPM Root Port
2020-08-05 18:24:21 -05:00
Bjorn Helgaas fa6cc79a3e Merge branch 'remotes/lorenzo/pci/tegra'
- Revert tegra RAW fixup that caused a regression (Nicolas Chauvet)

- Remove PLL power supplies from tegra driver and DT binding (Thierry
  Reding)

* remotes/lorenzo/pci/tegra:
  PCI: tegra: Remove PLL power supplies
  dt-bindings: pci: tegra: Remove PLL power supplies
  PCI: tegra: Revert tegra124 raw_violation_fixup
2020-08-05 18:24:20 -05:00
Bjorn Helgaas 26418025ce Merge branch 'remotes/lorenzo/pci/dwc'
- Add qcom ipq806x support (Ansuel Smith)

- Support max-link-speed DT property for qcom (Sham Muthayyan)

- Use PCI core #defines instead of adding qcom-specific ones (Ansuel Smith)

- Convert to devm_platform_ioremap_resource_byname() instead of open-coding
  platform_get_resource_byname() and devm_ioremap_resource() for dra7xx,
  keystone, artpec6, designware-plat, histb, intel-gw, kirin, qcom,
  uniphier (Dejin Zheng)

- Remove non-ECAM HiSilicon hip05/hip06 driver (Rob Herring)

* remotes/lorenzo/pci/dwc:
  PCI: dwc: hisi: Remove non-ECAM HiSilicon hip05/hip06 driver
  PCI: dwc: Convert to devm_platform_ioremap_resource_byname()
  PCI: qcom: Replace define with standard value
  PCI: qcom: Support pci speed set for ipq806x
  dt-bindings: PCI: qcom: Add ipq8064 rev 2 variant
  PCI: qcom: Add ipq8064 rev2 variant
  PCI: qcom: Add support for tx term offset for rev 2.1.0
  PCI: qcom: Define some PARF params needed for ipq8064 SoC
  PCI: qcom: Use bulk clk api and assert on error
  dt-bindings: PCI: qcom: Add ext reset
  PCI: qcom: Add missing reset for ipq806x
  PCI: qcom: Change duplicate PCI reset to phy reset
  dt-bindings: PCI: qcom: Add missing clks
  PCI: qcom: Add missing ipq806x clocks in PCIe driver
2020-08-05 18:24:18 -05:00
Bjorn Helgaas 13a77336f4 Merge branch 'remotes/lorenzo/pci/cadence'
- Convert cadence to use standard "dma-ranges" DT property instead of its
  own "cdns,no-bar-match-nbits" (Kishon Vijay Abraham I)

- Fix pm_runtime_put_sync() issues in cadence error paths (Kishon Vijay
  Abraham I)

- Add PTR_ALIGN_DOWN macro (Kishon Vijay Abraham I)

- Convert cadence r/w accessors to only 32-bit accesses (Kishon Vijay
  Abraham I)

- Add cadence support to start Link and check Link status (Kishon Vijay
  Abraham I)

- Allow custom PCI ops for cadence-based drivers (Kishon Vijay Abraham I)

- Remove "mem" from cadence reg binding since it's not memory and it
  overlaps the PCIe config and memory region (Kishon Vijay Abraham I)

- Add cadence ->cpu_addr_fixup() for platforms that require absolute
  addresses in the ATU, not just offsets (Kishon Vijay Abraham I)

- Update cadence Vendor IDs using local management registers, not
  architected config space (Kishon Vijay Abraham I)

- Add cadence endpoint driver MSI-X support (Kishon Vijay Abraham I)

- Add bindings and driver for TI J721E SoC, supporting both host and
  endpoint mode (Kishon Vijay Abraham I)

* remotes/lorenzo/pci/cadence:
  MAINTAINERS: Add Kishon Vijay Abraham I for TI J721E SoC PCIe
  misc: pci_endpoint_test: Add J721E in pci_device_id table
  PCI: j721e: Add TI J721E PCIe driver
  dt-bindings: PCI: Add EP mode dt-bindings for TI's J721E SoC
  dt-bindings: PCI: Add host mode dt-bindings for TI's J721E SoC
  PCI: cadence: Add MSI-X support to Endpoint driver
  PCI: cadence: Fix updating Vendor ID and Subsystem Vendor ID register
  PCI: cadence: Add new *ops* for CPU addr fixup
  dt-bindings: PCI: cadence: Remove "mem" from reg binding
  PCI: cadence: Allow pci_host_bridge to have custom pci_ops
  PCI: cadence: Add support to start link and verify link status
  PCI: cadence: Convert all r/w accessors to perform only 32-bit accesses
  linux/kernel.h: Add PTR_ALIGN_DOWN macro
  PCI: cadence: Fix cdns_pcie_{host|ep}_setup() error path
  PCI: cadence: Use "dma-ranges" instead of "cdns,no-bar-match-nbits" property
2020-08-05 18:24:18 -05:00
Bjorn Helgaas 0caa17f5f2 Merge branch 'pci/misc'
- Convert PCIe capability PCIBIOS errors to errno (Bolarinwa Olayemi
  Saheed)

- Align PCIe capability and PCI accessor return values (Bolarinwa Olayemi
  Saheed)

- Replace http:// links with https:// (Alexander A. Klimov)

- Replace lkml.org, spinics, gmane with lore.kernel.org (Bjorn Helgaas)

- Update panic message to mention kzalloc(), not kmalloc() (Liao Pingfang)

- Move PCI_VENDOR_ID_REDHAT definition to pci_ids.h (Huacai Chen)

- Remove unused pci_lost_interrupt() (Heiner Kallweit)

* pci/misc:
  PCI: Remove unused pci_lost_interrupt()
  PCI: Move PCI_VENDOR_ID_REDHAT definition to pci_ids.h
  PCI: Fix error in panic message
  PCI: Replace lkml.org, spinics, gmane with lore.kernel.org
  PCI: Replace http:// links with https://
  PCI: Align PCIe capability and PCI accessor return values
  PCI: Convert PCIe capability PCIBIOS errors to errno
2020-08-05 18:24:16 -05:00
Bharat Kumar Gogada e22fadb1d0 PCI: xilinx-cpm: Add YAML schemas for Versal CPM Root Port
Add YAML schemas documentation for Versal CPM Root Port driver.

Link: https://lore.kernel.org/r/1592312214-9347-2-git-send-email-bharat.kumar.gogada@xilinx.com
Signed-off-by: Bharat Kumar Gogada <bharat.kumar.gogada@xilinx.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Rob Herring <robh@kernel.org>
2020-08-05 17:04:24 -05:00
Qii Wang 311df9d580 dt-bindings: i2c: update bindings for MT8192 SoC
Add a DT binding documentation for the MT8192 soc.

Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Qii Wang <qii.wang@mediatek.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
2020-08-05 23:40:39 +02:00
Linus Torvalds 8f7be62915 MMC core:
- Add a new host cap bit and a corresponding DT property, to support power
 cycling of the card by FW at system suspend/resume.
  - Fix clock rate setting for SDIO in SDR12/SDR25 speed-mode
  - Fix switch to 1/4-bit mode at system suspend/resume for SD-combo cards
  - Convert the mmc-pwrseq DT bindings to the json-schema
  - Always allow the card detect uevent to be consumed by userspace
 
 MMC host:
  - Convert a few DT bindings to the json-schema
  - mtk-sd: Add support for command queue through cqhci
  - mtk-sd: Add support for the MT6779 variant
  - renesas_sdhi_internal_dmac: Fix dma unmapping in the error path
  - sdhci_am654: Add support for the AM65x PG2.0 variant
  - sdhci_am654: Extend support for phys/clocks
  - sdhci-cadence: Drop incorrect HW tuning for SD mode
  - sdhci-msm: Add support for interconnect bandwidth scaling
  - sdhci-msm: Enable internal voltage control
  - sdhci-msm: Enable low power state for pinctrls
  - sdhci-of-at91: Ludovic Desroches handovers maintenance to Eugen Hristev
  - sdhci-pci-gli: Improve clock handling for GL975x
  - sdhci-pci-o2micro: Add HW tuning for SDR104 mode
  - sdhci-pci-o2micro: Fix support for O2 host controller Seabird1
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Merge tag 'mmc-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull MMC updates from Ulf Hansson:
 "MMC core:

   - Add a new host cap bit and a corresponding DT property, to support
     power cycling of the card by FW at system suspend/resume.

   - Fix clock rate setting for SDIO in SDR12/SDR25 speed-mode

   - Fix switch to 1/4-bit mode at system suspend/resume for SD-combo
     cards

   - Convert the mmc-pwrseq DT bindings to the json-schema

   - Always allow the card detect uevent to be consumed by userspace

  MMC host controllers:

   - Convert a few DT bindings to the json-schema

   - mtk-sd:
      - Add support for command queue through cqhci
      - Add support for the MT6779 variant

   - renesas_sdhi_internal_dmac:
      - Fix dma unmapping in the error path

   - sdhci_am654:
      - Add support for the AM65x PG2.0 variant
      - Extend support for phys/clocks

   - sdhci-cadence:
      - Drop incorrect HW tuning for SD mode

   - sdhci-msm:
      - Add support for interconnect bandwidth scaling
      - Enable internal voltage control
      - Enable low power state for pinctrls

   - sdhci-of-at91:
      - Ludovic Desroches handovers maintenance to Eugen Hristev

   - sdhci-pci-gli:
      - Improve clock handling for GL975x

   - sdhci-pci-o2micro:
      - Add HW tuning for SDR104 mode
      - Fix support for O2 host controller Seabird1"

* tag 'mmc-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (66 commits)
  mmc: mediatek: make function msdc_cqe_disable() static
  MAINTAINERS: mmc: sdhci-of-at91: handover maintenance to Eugen Hristev
  dt-bindings: mmc: mediatek: Add document for mt6779
  mmc: mediatek: command queue support
  mmc: mediatek: refine msdc timeout api
  mmc: mediatek: add MT6779 MMC driver support
  mmc: sdhci-pci-o2micro: Add HW tuning for SDR104 mode
  mmc: sdhci-pci-o2micro: Bug fix for O2 host controller Seabird1
  mmc: via-sdmmc: use generic power management
  memstick: jmb38x_ms: use generic power management
  mmc: sdhci-cadence: do not use hardware tuning for SD mode
  mmc: sdhci-pci-gli: Set SDR104's clock to 205MHz and enable SSC for GL975x
  mmc: cqhci: Fix a print format for the task descriptor
  mmc: sdhci-of-arasan: fix timings allocation code
  mmc: sdhci: Fix a potential uninitialized variable
  dt-bindings: mmc: renesas,sdhi: convert to YAML
  dt-bindings: mmc: convert arasan sdhci bindings to yaml
  mmc: sdhci: Fix potential null pointer access while accessing vqmmc
  mmc: core: Add MMC_CAP2_FULL_PWR_CYCLE_IN_SUSPEND
  dt-bindings: mmc: Add full-pwr-cycle-in-suspend property
  ...
2020-08-05 13:23:24 -07:00
Linus Torvalds 9aebd3254c hwmon updates for v5.9
Highlights:
 - New driver for Sparx5 SoC temperature sensot
 - New driver for Corsair Commander Pro
 - MAX20710 support added to max20730 driver
 
 Enhancements:
 - max6697: Allow max6581 to create tempX_offset attributes
 - gsc (Gateworks System Controller): add 16bit pre-scaled voltage mode
 - adm1275: Enable adm1278 ADM1278_TEMP1_EN
 - dell-smm: Add Latitude 5480 to fan control whitelist
 
 Fixes:
 - adc128d818: Fix advanced configuration register init
 - pmbus/core: Use s64 instead of long for calculations
               to fix overflow issues with 32-bit architectures
 
 Plus various cleanups in several drivers.
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Merge tag 'hwmon-for-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon updates from Guenter Roeck:
 "Highlights:
   - New driver for Sparx5 SoC temperature sensot
   - New driver for Corsair Commander Pro
   - MAX20710 support added to max20730 driver

  Enhancements:
   - max6697: Allow max6581 to create tempX_offset attributes
   - gsc (Gateworks System Controller): add 16bit pre-scaled voltage mode
   - adm1275: Enable adm1278 ADM1278_TEMP1_EN
   - dell-smm: Add Latitude 5480 to fan control whitelist

  Fixes:
   - adc128d818: Fix advanced configuration register init
   - pmbus/core: Use s64 instead of long for calculations to fix
     overflow issues with 32-bit architectures

  Plus various cleanups in several drivers"

* tag 'hwmon-for-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (32 commits)
  hwmon: (adc128d818) Fix advanced configuration register init
  hwmon: (axi-fan-control) remove duplicate macros
  hwmon: (i5k_amb, vt8231) Drop uses of pci_read_config_*() return value
  hwmon: (sparx5) Make symbol 's5_temp_match' static
  hwmon: (corsair-cpro) add reading pwm values
  hwmon: sparx5: Add Sparx5 SoC temperature driver
  dt-bindings: hwmon: Add Sparx5 temperature sensor
  hwmon: (tmp401) Replace HTTP links with HTTPS ones
  hwmon: (lm95234) Replace HTTP links with HTTPS ones
  hwmon: (lm90) Replace HTTP links with HTTPS ones
  hwmon: (k8temp) Replace HTTP links with HTTPS ones
  hwmon: (jc42) Replace HTTP links with HTTPS ones
  hwmon: (ina2xx) Replace HTTP links with HTTPS ones
  hwmon: (ina209) Replace HTTP links with HTTPS ones
  hwmon: Replace HTTP links with HTTPS ones
  docs: hwmon: Replace HTTP links with HTTPS ones
  hwmon: (adm1025) Replace HTTP links with HTTPS ones
  hwmon: add Corsair Commander Pro driver
  hwmon: (max6697) Allow max6581 to create tempX_offset
  hwmon: (tmmp513) Replace HTTP links with HTTPS links
  ...
2020-08-05 13:13:57 -07:00
Linus Torvalds 441977979a Devicetree updates for v5.9:
- Improve device links cycle detection and breaking.  Add more
   bindings for device link dependencies.
 
 - Refactor parsing 'no-map' in __reserved_mem_alloc_size()
 
 - Improve DT unittest 'ranges' and 'dma-ranges' test case to check
   differing cell sizes
 
 - Various http to https link conversions
 
 - Add a schema check to prevent 'syscon' from being used by itself
   without a more specific compatible
 
 - A bunch more DT binding conversions to schema
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Merge tag 'devicetree-for-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull Devicetree updates from Rob Herring:

 - Improve device links cycle detection and breaking. Add more bindings
   for device link dependencies.

 - Refactor parsing 'no-map' in __reserved_mem_alloc_size()

 - Improve DT unittest 'ranges' and 'dma-ranges' test case to check
   differing cell sizes

 - Various http to https link conversions

 - Add a schema check to prevent 'syscon' from being used by itself
   without a more specific compatible

 - A bunch more DT binding conversions to schema

* tag 'devicetree-for-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (55 commits)
  of: reserved-memory: remove duplicated call to of_get_flat_dt_prop() for no-map node
  of: unittest: Use bigger address cells to catch parser regressions
  dt-bindings: memory-controllers: Convert mmdc to json-schema
  dt-bindings: mtd: Convert imx nand to json-schema
  dt-bindings: mtd: Convert gpmi nand to json-schema
  dt-bindings: iio: io-channel-mux: Fix compatible string in example code
  of: property: Add device link support for pinctrl-0 through pinctrl-8
  of: property: Add device link support for multiple DT bindings
  dt-bindings: phy: ti: phy-gmii-sel: convert bindings to json-schema
  dt-bindings: mux: mux.h: drop a duplicated word
  dt-bindings: misc: Convert olpc,xo1.75-ec to json-schema
  dt-bindings: aspeed-lpc: Replace HTTP links with HTTPS ones
  dt-bindings: drm/bridge: Replace HTTP links with HTTPS ones
  drm/tilcdc: Replace HTTP links with HTTPS ones
  dt-bindings: iommu: renesas,ipmmu-vmsa: Add r8a774e1 support
  dt-bindings: fpga: Replace HTTP links with HTTPS ones
  dt-bindings: virtio: Replace HTTP links with HTTPS ones
  dt-bindings: media: imx274: Add optional input clock and supplies
  dt-bindings: i2c-gpio: Use 'deprecated' keyword on deprecated properties
  dt-bindings: interrupt-controller: Fix typos in loongson,liointc.yaml
  ...
2020-08-05 13:02:45 -07:00
Linus Torvalds 1d8ce0e093 This is the bulk of GPIO changes for the v5.9 kernel cycle:
Core changes:
 
 - Introduce the for_each_requested_gpio() macro to help in
   dependent code all over the place. Also patch a few locations
   to use it while we are at it.
 
 - Split out the sysfs code into its own file.
 
 - Split out the character device code into its own file, then
   make a set of refactorings and improvements to this code.
   We are setting the stage to revamp the userspace API a bit
   in the next cycle.
 
 - Fix a whole slew of kerneldoc that was wrong or missing.
 
 New drivers:
 
 - The PCA953x driver now supports the PCAL9535.
 
 Driver improvements:
 
 - A host of incremental modernizations and improvements to the
   PCA953x driver.
 
 - Incremental improvements to the Xilinx Zynq driver.
 
 - Some improvements to the GPIO aggregator driver.
 
 - I ran all over the place switching all threaded and other
   drivers requesting their own IRQ while using the core
   GPIO IRQ helpers to pass the GPIO irq chip as a template
   instead of calling the explicit set-up functions. Next merge
   window we may retire the old code altogether.
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Merge tag 'gpio-v5.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull GPIO updates from Linus Walleij:
 "This is the bulk of GPIO changes for the v5.9 kernel cycle.

  There is nothing too exciting in it, but a new macro that fixes a
  build failure on a minor ARM32 platform that appeared yesterday is
  part of it so we better merge it.

  Core changes:

   - Introduce the for_each_requested_gpio() macro to help in dependent
     code all over the place. Also patch a few locations to use it while
     we are at it.

   - Split out the sysfs code into its own file.

   - Split out the character device code into its own file, then make a
     set of refactorings and improvements to this code. We are setting
     the stage to revamp the userspace API a bit in the next cycle.

   - Fix a whole slew of kerneldoc that was wrong or missing.

  New drivers:

   - The PCA953x driver now supports the PCAL9535.

  Driver improvements:

   - A host of incremental modernizations and improvements to the
     PCA953x driver.

   - Incremental improvements to the Xilinx Zynq driver.

   - Some improvements to the GPIO aggregator driver.

   - I ran all over the place switching all threaded and other drivers
     requesting their own IRQ while using the core GPIO IRQ helpers to
     pass the GPIO irq chip as a template instead of calling the
     explicit set-up functions. Next merge window we may retire the old
     code altogether"

* tag 'gpio-v5.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (97 commits)
  gpio: wcove: Request IRQ after all initialisation done
  gpio: crystalcove: Free IRQ on error path
  gpio: pca953x: Request IRQ after all initialisation done
  gpio: don't use same lockdep class for all devm_gpiochip_add_data users
  gpio: max732x: Use irqchip template
  gpio: stmpe: Move chip registration
  gpio: rcar: Use irqchip template
  gpio: regmap: fix type clash
  gpio: Correct kernel-doc inconsistency
  gpio: pci-idio-16: Use irqchip template
  gpio: pcie-idio-24: Use irqchip template
  gpio: 104-idio-16: Use irqchip template
  gpio: 104-idi-48: Use irqchip template
  gpio: 104-dio-48e: Use irqchip template
  gpio: ws16c48: Use irqchip template
  gpio: omap: improve coding style for pin config flags
  gpio: dln2: Use irqchip template
  gpio: sch: Add a blank line between declaration and code
  gpio: sch: changed every 'unsigned' to 'unsigned int'
  gpio: ich: changed every 'unsigned' to 'unsigned int'
  ...
2020-08-05 12:56:27 -07:00
Linus Torvalds ecfd7940b8 USB/Thunderbolt patches for 5.9-rc1
Here is the large set of USB and Thunderbolt patches for 5.9-rc1.
 
 Nothing really magic/major in here, just lots of little changes and
 updates:
 	- clean up language usages in USB core and some drivers
 	- Thunderbolt driver updates and additions
 	- USB Gadget driver updates
 	- dwc3 driver updates (like always...)
 	- build with "W=1" warning fixups
 	- mtu3 driver updates
 	- usb-serial driver updates and device ids
 	- typec additions and updates for new hardware
 	- xhci debug code updates for future platforms
 	- cdns3 driver updates
 	- lots of other minor driver updates and fixes and cleanups
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB/Thunderbolt updates from Greg KH:
 "Here is the large set of USB and Thunderbolt patches for 5.9-rc1.

  Nothing really magic/major in here, just lots of little changes and
  updates:

   - clean up language usages in USB core and some drivers

   - Thunderbolt driver updates and additions

   - USB Gadget driver updates

   - dwc3 driver updates (like always...)

   - build with "W=1" warning fixups

   - mtu3 driver updates

   - usb-serial driver updates and device ids

   - typec additions and updates for new hardware

   - xhci debug code updates for future platforms

   - cdns3 driver updates

   - lots of other minor driver updates and fixes and cleanups

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'usb-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (330 commits)
  usb: common: usb-conn-gpio: Register charger
  usb: mtu3: simplify mtu3_req_complete()
  usb: mtu3: clear dual mode of u3port when disable device
  usb: mtu3: use MTU3_EP_WEDGE flag
  usb: mtu3: remove useless member @busy in mtu3_ep struct
  usb: mtu3: remove repeated error log
  usb: mtu3: add ->udc_set_speed()
  usb: mtu3: introduce a funtion to check maximum speed
  usb: mtu3: clear interrupts status when disable interrupts
  usb: mtu3: reinitialize CSR registers
  usb: mtu3: fix macro for maximum number of packets
  usb: mtu3: remove unnecessary pointer checks
  usb: xhci: Fix ASMedia ASM1142 DMA addressing
  usb: xhci: define IDs for various ASMedia host controllers
  usb: musb: convert to devm_platform_ioremap_resource_byname
  usb: gadget: tegra-xudc: convert to devm_platform_ioremap_resource_byname
  usb: gadget: r8a66597: convert to devm_platform_ioremap_resource_byname
  usb: dwc3: convert to devm_platform_ioremap_resource_byname
  usb: cdns3: convert to devm_platform_ioremap_resource_byname
  usb: phy: am335x: convert to devm_platform_ioremap_resource_byname
  ...
2020-08-05 12:13:10 -07:00
Linus Torvalds dd27111e32 Driver core changes for 5.9-rc1
Here is the "big" set of changes to the driver core, and some drivers
 using the changes, for 5.9-rc1.
 
 "Biggest" thing in here is the device link exposure in sysfs, to help
 to tame the madness that is SoC device tree representations and driver
 interactions with it.
 
 Other stuff in here that is interesting is:
 	- device probe log helper so that drivers can report problems in
 	  a unified way easier.
 	- devres functions added
 	- DEVICE_ATTR_ADMIN_* macro added to make it harder to write
 	  incorrect sysfs file permissions
 	- documentation cleanups
 	- ability for debugfs to be present in the kernel, yet not
 	  exposed to userspace.  Needed for systems that want it
 	  enabled, but do not trust users, so they can still use some
 	  kernel functions that were otherwise disabled.
 	- other minor fixes and cleanups
 
 The patches outside of drivers/base/ all have acks from the respective
 subsystem maintainers to go through this tree instead of theirs.
 
 All of these have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core updates from Greg KH:
 "Here is the "big" set of changes to the driver core, and some drivers
  using the changes, for 5.9-rc1.

  "Biggest" thing in here is the device link exposure in sysfs, to help
  to tame the madness that is SoC device tree representations and driver
  interactions with it.

  Other stuff in here that is interesting is:

   - device probe log helper so that drivers can report problems in a
     unified way easier.

   - devres functions added

   - DEVICE_ATTR_ADMIN_* macro added to make it harder to write
     incorrect sysfs file permissions

   - documentation cleanups

   - ability for debugfs to be present in the kernel, yet not exposed to
     userspace. Needed for systems that want it enabled, but do not
     trust users, so they can still use some kernel functions that were
     otherwise disabled.

   - other minor fixes and cleanups

  The patches outside of drivers/base/ all have acks from the respective
  subsystem maintainers to go through this tree instead of theirs.

  All of these have been in linux-next with no reported issues"

* tag 'driver-core-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (39 commits)
  drm/bridge: lvds-codec: simplify error handling
  drm/bridge/sii8620: fix resource acquisition error handling
  driver core: add deferring probe reason to devices_deferred property
  driver core: add device probe log helper
  driver core: Avoid binding drivers to dead devices
  Revert "test_firmware: Test platform fw loading on non-EFI systems"
  firmware_loader: EFI firmware loader must handle pre-allocated buffer
  selftest/firmware: Add selftest timeout in settings
  test_firmware: Test platform fw loading on non-EFI systems
  driver core: Change delimiter in devlink device's name to "--"
  debugfs: Add access restriction option
  tracefs: Remove unnecessary debug_fs checks.
  driver core: Fix probe_count imbalance in really_probe()
  kobject: remove unused KOBJ_MAX action
  driver core: Fix sleeping in invalid context during device link deletion
  driver core: Add waiting_for_supplier sysfs file for devices
  driver core: Add state_synced sysfs file for devices that support it
  driver core: Expose device link details in sysfs
  driver core: Drop mention of obsolete bus rwsem from kernel-doc
  debugfs: file: Remove unnecessary cast in kfree()
  ...
2020-08-05 11:52:17 -07:00
Linus Torvalds 1785d11612 Char/Misc driver patches for 5.9-rc1
Here is the large set of char and misc and other driver subsystem
 patches for 5.9-rc1.  Lots of new driver submissions in here, and
 cleanups and features for existing drivers.
 
 Highlights are:
 	- habanalabs driver updates
 	- coresight driver updates
 	- nvmem driver updates
 	- huge number of "W=1" build warning cleanups from Lee Jones
 	- dyndbg updates
 	- virtbox driver fixes and updates
 	- soundwire driver updates
 	- mei driver updates
 	- phy driver updates
 	- fpga driver updates
 	- lots of smaller individual misc/char driver cleanups and fixes
 
 Full details are in the shortlog.
 
 All of these have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc driver updates from Greg KH:
 "Here is the large set of char and misc and other driver subsystem
  patches for 5.9-rc1. Lots of new driver submissions in here, and
  cleanups and features for existing drivers.

  Highlights are:
   - habanalabs driver updates
   - coresight driver updates
   - nvmem driver updates
   - huge number of "W=1" build warning cleanups from Lee Jones
   - dyndbg updates
   - virtbox driver fixes and updates
   - soundwire driver updates
   - mei driver updates
   - phy driver updates
   - fpga driver updates
   - lots of smaller individual misc/char driver cleanups and fixes

  Full details are in the shortlog.

  All of these have been in linux-next with no reported issues"

* tag 'char-misc-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (322 commits)
  habanalabs: remove unused but set variable 'ctx_asid'
  nvmem: qcom-spmi-sdam: Enable multiple devices
  dt-bindings: nvmem: SID: add binding for A100's SID controller
  nvmem: update Kconfig description
  nvmem: qfprom: Add fuse blowing support
  dt-bindings: nvmem: Add properties needed for blowing fuses
  dt-bindings: nvmem: qfprom: Convert to yaml
  nvmem: qfprom: use NVMEM_DEVID_AUTO for multiple instances
  nvmem: core: add support to auto devid
  nvmem: core: Add nvmem_cell_read_u8()
  nvmem: core: Grammar fixes for help text
  nvmem: sc27xx: add sc2730 efuse support
  nvmem: Enforce nvmem stride in the sysfs interface
  MAINTAINERS: Add git tree for NVMEM FRAMEWORK
  nvmem: sprd: Fix return value of sprd_efuse_probe()
  drivers: android: Fix the SPDX comment style
  drivers: android: Fix a variable declaration coding style issue
  drivers: android: Remove braces for a single statement if-else block
  drivers: android: Remove the use of else after return
  drivers: android: Fix a variable declaration coding style issue
  ...
2020-08-05 11:43:47 -07:00
Linus Torvalds e0fc99e21e for-5.9/drivers-20200803
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Merge tag 'for-5.9/drivers-20200803' of git://git.kernel.dk/linux-block

Pull block driver updates from Jens Axboe:

 - NVMe:
      - ZNS support (Aravind, Keith, Matias, Niklas)
      - Misc cleanups, optimizations, fixes (Baolin, Chaitanya, David,
        Dongli, Max, Sagi)

 - null_blk zone capacity support (Aravind)

 - MD:
      - raid5/6 fixes (ChangSyun)
      - Warning fixes (Damien)
      - raid5 stripe fixes (Guoqing, Song, Yufen)
      - sysfs deadlock fix (Junxiao)
      - raid10 deadlock fix (Vitaly)

 - struct_size conversions (Gustavo)

 - Set of bcache updates/fixes (Coly)

* tag 'for-5.9/drivers-20200803' of git://git.kernel.dk/linux-block: (117 commits)
  md/raid5: Allow degraded raid6 to do rmw
  md/raid5: Fix Force reconstruct-write io stuck in degraded raid5
  raid5: don't duplicate code for different paths in handle_stripe
  raid5-cache: hold spinlock instead of mutex in r5c_journal_mode_show
  md: print errno in super_written
  md/raid5: remove the redundant setting of STRIPE_HANDLE
  md: register new md sysfs file 'uuid' read-only
  md: fix max sectors calculation for super 1.0
  nvme-loop: remove extra variable in create ctrl
  nvme-loop: set ctrl state connecting after init
  nvme-multipath: do not fall back to __nvme_find_path() for non-optimized paths
  nvme-multipath: fix logic for non-optimized paths
  nvme-rdma: fix controller reset hang during traffic
  nvme-tcp: fix controller reset hang during traffic
  nvmet: introduce the passthru Kconfig option
  nvmet: introduce the passthru configfs interface
  nvmet: Add passthru enable/disable helpers
  nvmet: add passthru code to process commands
  nvme: export nvme_find_get_ns() and nvme_put_ns()
  nvme: introduce nvme_ctrl_get_by_path()
  ...
2020-08-05 10:51:40 -07:00
Linus Torvalds 53e5504bdb linux-kselftest-kunit-5.9-rc1
This Kunit update for Linux 5.9-rc1 consists of:
 
 - Adds a generic kunit_resource API extending it to support
   resources that are passed in to kunit in addition kunit
   allocated resources. In addition, KUnit resources are now
   refcounted to avoid passed in resources being released while
   in use by kunit.
 
 - Add support for named resources.
 
 - Important bug fixes from Brendan Higgins and Will Chen
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Merge tag 'linux-kselftest-kunit-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull kunit updates from Shuah Khan:

 - Add a generic kunit_resource API extending it to support resources
   that are passed in to kunit in addition kunit allocated resources. In
   addition, KUnit resources are now refcounted to avoid passed in
   resources being released while in use by kunit.

 - Add support for named resources.

 - Important bug fixes from Brendan Higgins and Will Chen

* tag 'linux-kselftest-kunit-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  kunit: tool: fix improper treatment of file location
  kunit: tool: fix broken default args in unit tests
  kunit: capture stderr on all make subprocess calls
  Documentation: kunit: Remove references to --defconfig
  kunit: add support for named resources
  kunit: generalize kunit_resource API beyond allocated resources
2020-08-05 10:07:39 -07:00
Tero Kristo cef9572e9a watchdog: add support for adjusting last known HW keepalive time
Certain watchdogs require the watchdog only to be pinged within a
specific time window, pinging too early or too late cause the watchdog
to fire. In cases where this sort of watchdog has been started before
kernel comes up, we must adjust the watchdog keepalive window to match
the actually running timer, so add a new driver API for this purpose.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20200717132958.14304-3-t-kristo@ti.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
2020-08-05 18:43:02 +02:00
Alexander A. Klimov 2ab77a34d0 watchdog: Replace HTTP links with HTTPS ones
Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.

Deterministic algorithm:
For each file:
  If not .svg:
    For each line:
      If doesn't contain `\bxmlns\b`:
        For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`:
	  If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`:
            If both the HTTP and HTTPS versions
            return 200 OK and serve the same content:
              Replace HTTP with HTTPS.

Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20200713205821.38223-1-grandmaster@al2klimov.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
2020-08-05 18:43:01 +02:00
Lad Prabhakar d821ab28df dt-bindings: watchdog: renesas,wdt: Document r8a774e1 support
RZ/G2H (a.k.a. R8A774E1) watchdog implementation is compatible
with R-Car Gen3, therefore add the relevant documentation.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/1594811350-14066-17-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
2020-08-05 18:43:01 +02:00
Ahmad Fatoum d51d3852d1 docs: watchdog: codify ident.options as superset of possible status flags
The FIXME comment has been in-tree since the very first git commit.
The described behavior has been since relied on by some userspace, e.g.
the util-linux wdctl command and has been ignored by some kernelspace,
like the f71808e_wdt driver.

The functionality is useful to have to be able to differentiate between a
driver that doesn't support WDIOF_CARDRESET and one that does, but hasn't
had a watchdog reset, thus drop the FIXME to encourage drivers adopting
this convention.

Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20200611191750.28096-2-a.fatoum@pengutronix.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
2020-08-05 18:42:52 +02:00
Sai Prakash Ranjan a4fd26f618 dt-bindings: watchdog: Add compatible for QCS404, SC7180, SDM845, SM8150
Add missing compatible for watchdog timer on QCS404,
SC7180, SDM845 and SM8150 SoCs.

Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/09da1ba319dc4a27ef4e4e177e67e68f1cb4f35b.1593112534.git.saiprakash.ranjan@codeaurora.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
2020-08-05 18:42:51 +02:00
Sai Prakash Ranjan 137e9e68dd dt-bindings: watchdog: Convert QCOM watchdog timer bindings to YAML
Convert QCOM watchdog timer bindings to DT schema format using
json-schema.

Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/77b47aad9d17cb4ec8359bdbbb30c33d818117e6.1593112534.git.saiprakash.ranjan@codeaurora.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
2020-08-05 18:42:51 +02:00
Serge Semin 4ce4e7fdc3 dt-bindings: watchdog: dw-wdt: Add watchdog TOPs array property
In case if DW Watchdog IP core is built with WDT_USE_FIX_TOP == false,
a custom timeout periods are used to preset the timer counter. In
this case that periods should be specified in a new "snps,watchdog-tops"
property of the DW watchdog dts node.

Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Cc: Alexey Malahov <Alexey.Malahov@baikalelectronics.ru>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: linux-mips@vger.kernel.org
Link: https://lore.kernel.org/r/20200530073557.22661-4-Sergey.Semin@baikalelectronics.ru
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
2020-08-05 18:42:48 +02:00
Serge Semin 5b4f68f808 dt-bindings: watchdog: dw-wdt: Support devices with asynch clocks
DW Watchdog IP core can be synthesised with asynchronous timer/APB
clocks support (WDT_ASYNC_CLK_MODE_ENABLE == 1). In this case
separate clock signals are supposed to be used to feed watchdog timer
and APB interface of the device. Let's update the DW Watchdog DT node
schema so it would support the optional APB3 bus clock specified along
with the mandatory watchdog timer reference clock.

Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Cc: Alexey Malahov <Alexey.Malahov@baikalelectronics.ru>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: linux-mips@vger.kernel.org
Link: https://lore.kernel.org/r/20200530073557.22661-3-Sergey.Semin@baikalelectronics.ru
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
2020-08-05 18:42:47 +02:00
Serge Semin 9807a88841 dt-bindings: watchdog: Convert DW WDT binding to DT schema
Modern device tree bindings are supposed to be created as YAML-files
in accordance with dt-schema. This commit replaces the DW Watchdog
legacy bare text bindings with YAML file. As before the binding states
that the corresponding dts node is supposed to have a registers
range, a watchdog timer references clock source, optional reset line and
pre-timeout interrupt.

Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Cc: Alexey Malahov <Alexey.Malahov@baikalelectronics.ru>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: linux-mips@vger.kernel.org
Link: https://lore.kernel.org/r/20200530073557.22661-2-Sergey.Semin@baikalelectronics.ru
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
2020-08-05 18:42:47 +02:00
Michael Shych d6e6d5627f docs: watchdog: mlx-wdt: Add description of new watchdog type 3
Add documentation with details of new type of Mellanox watchdog driver.

Signed-off-by: Michael Shych <michaelsh@mellanox.com>
Reviewed-by: Vadim Pasternak <vadimp@mellanox.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20200504141427.17685-5-michaelsh@mellanox.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
2020-08-05 18:42:45 +02:00
Mika Westerberg 12745b071e i2c: i801: Add support for Intel Emmitsburg PCH
Add support for SMBus controller on Intel Emmitsburg PCH. This is the
same IP as used in Cannon Lake and derivatives.

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
2020-08-05 11:52:28 +02:00
Wolfram Sang cee807cf9e Documentation: i2c: dev: 'block process call' is supported
And it has been for a while (since 2012 at least), only it was not
documented. Add it.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
2020-08-05 11:52:28 +02:00
Codrin Ciubotariu db36e827d8 dt-bindings: i2c: add generic properties for GPIO bus recovery
The I2C GPIO bus recovery properties consist of two GPIOS and one extra
pinctrl state ("gpio" or "recovery"). "recovery" pinctrl state is
considered deprecated and "gpio" should be used instead.
Not all are mandatory for recovery.

Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
Reviewed-by: Rob Herring <robh@kernel.org>
[wsa: kept sorting, minor whitespace change]
Signed-off-by: Wolfram Sang <wsa@kernel.org>
2020-08-05 11:52:22 +02:00
Linus Torvalds 2324d50d05 It's been a busy cycle for documentation - hopefully the busiest for a
while to come.  Changes include:
 
  - Some new Chinese translations
 
  - Progress on the battle against double words words and non-HTTPS URLs
 
  - Some block-mq documentation
 
  - More RST conversions from Mauro.  At this point, that task is
    essentially complete, so we shouldn't see this kind of churn again for a
    while.  Unless we decide to switch to asciidoc or something...:)
 
  - Lots of typo fixes, warning fixes, and more.
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Merge tag 'docs-5.9' of git://git.lwn.net/linux

Pull documentation updates from Jonathan Corbet:
 "It's been a busy cycle for documentation - hopefully the busiest for a
  while to come. Changes include:

   - Some new Chinese translations

   - Progress on the battle against double words words and non-HTTPS
     URLs

   - Some block-mq documentation

   - More RST conversions from Mauro. At this point, that task is
     essentially complete, so we shouldn't see this kind of churn again
     for a while. Unless we decide to switch to asciidoc or
     something...:)

   - Lots of typo fixes, warning fixes, and more"

* tag 'docs-5.9' of git://git.lwn.net/linux: (195 commits)
  scripts/kernel-doc: optionally treat warnings as errors
  docs: ia64: correct typo
  mailmap: add entry for <alobakin@marvell.com>
  doc/zh_CN: add cpu-load Chinese version
  Documentation/admin-guide: tainted-kernels: fix spelling mistake
  MAINTAINERS: adjust kprobes.rst entry to new location
  devices.txt: document rfkill allocation
  PCI: correct flag name
  docs: filesystems: vfs: correct flag name
  docs: filesystems: vfs: correct sync_mode flag names
  docs: path-lookup: markup fixes for emphasis
  docs: path-lookup: more markup fixes
  docs: path-lookup: fix HTML entity mojibake
  CREDITS: Replace HTTP links with HTTPS ones
  docs: process: Add an example for creating a fixes tag
  doc/zh_CN: add Chinese translation prefer section
  doc/zh_CN: add clearing-warn-once Chinese version
  doc/zh_CN: add admin-guide index
  doc:it_IT: process: coding-style.rst: Correct __maybe_unused compiler label
  futex: MAINTAINERS: Re-add selftests directory
  ...
2020-08-04 22:47:54 -07:00
Linus Torvalds a754292348 Printk changes for 5.9
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Merge tag 'printk-for-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux

Pull printk updates from Petr Mladek:

 - Herbert Xu made printk header file self-contained.

 - Andy Shevchenko and Sergey Senozhatsky cleaned up console->setup()
   error handling.

 - Andy Shevchenko did some cleanups (e.g. sparse warning) in vsprintf
   code.

 - Minor documentation updates.

* tag 'printk-for-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux:
  lib/vsprintf: Force type of flags value for gfp_t
  lib/vsprintf: Replace custom spec to print decimals with generic one
  lib/vsprintf: Replace hidden BUILD_BUG_ON() with static_assert()
  printk: Make linux/printk.h self-contained
  doc:kmsg: explicitly state the return value in case of SEEK_CUR
  Replace HTTP links with HTTPS ones: vsprintf
  hvc: unify console setup naming
  console: Fix trivia typo 'change' -> 'chance'
  console: Propagate error code from console ->setup()
  tty: hvc: Return proper error code from console ->setup() hook
  serial: sunzilog: Return proper error code from console ->setup() hook
  serial: sunsab: Return proper error code from console ->setup() hook
  mips: Return proper error code from console ->setup() hook
2020-08-04 22:22:25 -07:00
Linus Torvalds 4da9f33026 Support for FSGSBASE. Almost 5 years after the first RFC to support it,
this has been brought into a shape which is maintainable and actually
 works.
 
 This final version was done by Sasha Levin who took it up after Intel
 dropped the ball. Sasha discovered that the SGX (sic!) offerings out there
 ship rogue kernel modules enabling FSGSBASE behind the kernels back which
 opens an instantanious unpriviledged root hole.
 
 The FSGSBASE instructions provide a considerable speedup of the context
 switch path and enable user space to write GSBASE without kernel
 interaction. This enablement requires careful handling of the exception
 entries which go through the paranoid entry path as they cannot longer rely
 on the assumption that user GSBASE is positive (as enforced via prctl() on
 non FSGSBASE enabled systemn). All other entries (syscalls, interrupts and
 exceptions) can still just utilize SWAPGS unconditionally when the entry
 comes from user space. Converting these entries to use FSGSBASE has no
 benefit as SWAPGS is only marginally slower than WRGSBASE and locating and
 retrieving the kernel GSBASE value is not a free operation either. The real
 benefit of RD/WRGSBASE is the avoidance of the MSR reads and writes.
 
 The changes come with appropriate selftests and have held up in field
 testing against the (sanitized) Graphene-SGX driver.
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Merge tag 'x86-fsgsbase-2020-08-04' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 fsgsbase from Thomas Gleixner:
 "Support for FSGSBASE. Almost 5 years after the first RFC to support
  it, this has been brought into a shape which is maintainable and
  actually works.

  This final version was done by Sasha Levin who took it up after Intel
  dropped the ball. Sasha discovered that the SGX (sic!) offerings out
  there ship rogue kernel modules enabling FSGSBASE behind the kernels
  back which opens an instantanious unpriviledged root hole.

  The FSGSBASE instructions provide a considerable speedup of the
  context switch path and enable user space to write GSBASE without
  kernel interaction. This enablement requires careful handling of the
  exception entries which go through the paranoid entry path as they
  can no longer rely on the assumption that user GSBASE is positive (as
  enforced via prctl() on non FSGSBASE enabled systemn).

  All other entries (syscalls, interrupts and exceptions) can still just
  utilize SWAPGS unconditionally when the entry comes from user space.
  Converting these entries to use FSGSBASE has no benefit as SWAPGS is
  only marginally slower than WRGSBASE and locating and retrieving the
  kernel GSBASE value is not a free operation either. The real benefit
  of RD/WRGSBASE is the avoidance of the MSR reads and writes.

  The changes come with appropriate selftests and have held up in field
  testing against the (sanitized) Graphene-SGX driver"

* tag 'x86-fsgsbase-2020-08-04' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (21 commits)
  x86/fsgsbase: Fix Xen PV support
  x86/ptrace: Fix 32-bit PTRACE_SETREGS vs fsbase and gsbase
  selftests/x86/fsgsbase: Add a missing memory constraint
  selftests/x86/fsgsbase: Fix a comment in the ptrace_write_gsbase test
  selftests/x86: Add a syscall_arg_fault_64 test for negative GSBASE
  selftests/x86/fsgsbase: Test ptracer-induced GS base write with FSGSBASE
  selftests/x86/fsgsbase: Test GS selector on ptracer-induced GS base write
  Documentation/x86/64: Add documentation for GS/FS addressing mode
  x86/elf: Enumerate kernel FSGSBASE capability in AT_HWCAP2
  x86/cpu: Enable FSGSBASE on 64bit by default and add a chicken bit
  x86/entry/64: Handle FSGSBASE enabled paranoid entry/exit
  x86/entry/64: Introduce the FIND_PERCPU_BASE macro
  x86/entry/64: Switch CR3 before SWAPGS in paranoid entry
  x86/speculation/swapgs: Check FSGSBASE in enabling SWAPGS mitigation
  x86/process/64: Use FSGSBASE instructions on thread copy and ptrace
  x86/process/64: Use FSBSBASE in switch_to() if available
  x86/process/64: Make save_fsgs_for_kvm() ready for FSGSBASE
  x86/fsgsbase/64: Enable FSGSBASE instructions in helper functions
  x86/fsgsbase/64: Add intrinsics for FSGSBASE instructions
  x86/cpu: Add 'unsafe_fsgsbase' to enable CR4.FSGSBASE
  ...
2020-08-04 21:16:22 -07:00
Bjorn Andersson 35efb0e1d5 dt-bindings: hwlock: qcom: Remove invalid binding
The Qualcomm hwlock is described in DeviceTree either directly on the
mmio bus or split between a syscon and a mutex node, but as noted in
[1] the latter is not valid DT, so remove any traces of this from the
binding.

[1] https://lore.kernel.org/r/CAL_JsqLa9GBtbgN6aL7AQ=A6V-YRtPgYqh6XgM2kpx532+r4Gg@mail.gmail.com/

Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20200729004757.1901107-1-bjorn.andersson@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2020-08-04 20:21:45 -07:00
Siddharth Gupta 4476770881 remoteproc: Add remoteproc character device interface
Add the character device interface into remoteproc framework.
This interface can be used in order to boot/shutdown remote
subsystems and provides a basic ioctl based interface to implement
supplementary functionality. An ioctl call is implemented to enable
the shutdown on release feature which will allow remote processors to
be shutdown when the controlling userspace application crashes or hangs.

Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Rishabh Bhatnagar <rishabhb@codeaurora.org>
Signed-off-by: Siddharth Gupta <sidgup@codeaurora.org>
Link: https://lore.kernel.org/r/1596044401-22083-2-git-send-email-sidgup@codeaurora.org
[bjorn: s/int32_t/s32/ per checkpatch]
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2020-08-04 20:16:37 -07:00
Linus Torvalds 442489c219 Time, timers and related driver updates:
- Prevent unnecessary timer softirq invocations by extending the tracking
    of the next expiring timer in the timer wheel beyond the existing NOHZ
    functionality. The tracking overhead at enqueue time is within the
    noise, but on sensitive workloads the avoidance of the soft interrupt
    invocation is a measurable improvement.
 
  - The obligatory new clocksource driver for Ingenic X100 OST
 
  - The usual fixes, improvements, cleanups and extensions for newer chip
    variants all over the driver space.
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Merge tag 'timers-core-2020-08-04' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull timer updates from Thomas Gleixner:
 "Time, timers and related driver updates:

   - Prevent unnecessary timer softirq invocations by extending the
     tracking of the next expiring timer in the timer wheel beyond the
     existing NOHZ functionality.

     The tracking overhead at enqueue time is within the noise, but on
     sensitive workloads the avoidance of the soft interrupt invocation
     is a measurable improvement.

   - The obligatory new clocksource driver for Ingenic X100 OST

   - The usual fixes, improvements, cleanups and extensions for newer
     chip variants all over the driver space"

* tag 'timers-core-2020-08-04' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (28 commits)
  timers: Recalculate next timer interrupt only when necessary
  clocksource/drivers/ingenic: Add support for the Ingenic X1000 OST.
  dt-bindings: timer: Add Ingenic X1000 OST bindings.
  clocksource/drivers: Replace HTTP links with HTTPS ones
  clocksource/drivers/nomadik-mtu: Handle 32kHz clock
  clocksource/drivers/sh_cmt: Use "kHz" for kilohertz
  clocksource/drivers/imx: Add support for i.MX TPM driver with ARM64
  clocksource/drivers/ingenic: Add high resolution timer support for SMP/SMT.
  timers: Lower base clock forwarding threshold
  timers: Remove must_forward_clk
  timers: Spare timer softirq until next expiry
  timers: Expand clk forward logic beyond nohz
  timers: Reuse next expiry cache after nohz exit
  timers: Always keep track of next expiry
  timers: Optimize _next_timer_interrupt() level iteration
  timers: Add comments about calc_index() ceiling work
  timers: Move trigger_dyntick_cpu() to enqueue_timer()
  timers: Use only bucket expiry for base->next_expiry value
  timers: Preserve higher bits of expiration on index calculation
  clocksource/drivers/timer-atmel-tcb: Add sama5d2 support
  ...
2020-08-04 18:17:37 -07:00
Linus Torvalds f8b036a7fc The usual boring updates from the interrupt subsystem:
- Infrastructure to allow building irqchip drivers as modules
 
  - Consolidation of irqchip ACPI probing
 
  - Removal of the EOI-preflow interrupt handler which was required for
    SPARC support and became obsolete after SPARC was converted to
    use sparse interrupts.
 
  - Cleanups, fixes and improvements all over the place
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Merge tag 'irq-core-2020-08-04' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull irq updates from Thomas Gleixner:
 "The usual boring updates from the interrupt subsystem:

   - Infrastructure to allow building irqchip drivers as modules

   - Consolidation of irqchip ACPI probing

   - Removal of the EOI-preflow interrupt handler which was required for
     SPARC support and became obsolete after SPARC was converted to use
     sparse interrupts.

   - Cleanups, fixes and improvements all over the place"

* tag 'irq-core-2020-08-04' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (51 commits)
  irqchip/loongson-pch-pic: Fix the misused irq flow handler
  irqchip/loongson-htvec: Support 8 groups of HT vectors
  irqchip/loongson-liointc: Fix misuse of gc->mask_cache
  dt-bindings: interrupt-controller: Update Loongson HTVEC description
  irqchip/imx-intmux: Fix irqdata regs save in imx_intmux_runtime_suspend()
  irqchip/imx-intmux: Implement intmux runtime power management
  irqchip/gic-v4.1: Use GFP_ATOMIC flag in allocate_vpe_l1_table()
  irqchip: Fix IRQCHIP_PLATFORM_DRIVER_* compilation by including module.h
  irqchip/stm32-exti: Map direct event to irq parent
  irqchip/mtk-cirq: Convert to a platform driver
  irqchip/mtk-sysirq: Convert to a platform driver
  irqchip/qcom-pdc: Switch to using IRQCHIP_PLATFORM_DRIVER helper macros
  irqchip: Add IRQCHIP_PLATFORM_DRIVER_BEGIN/END and IRQCHIP_MATCH helper macros
  irqchip: irq-bcm2836.h: drop a duplicated word
  irqchip/gic-v4.1: Ensure accessing the correct RD when writing INVALLR
  irqchip/irq-bcm7038-l1: Guard uses of cpu_logical_map
  irqchip/gic-v3: Remove unused register definition
  irqchip/qcom-pdc: Allow QCOM_PDC to be loadable as a permanent module
  genirq: Export irq_chip_retrigger_hierarchy and irq_chip_set_vcpu_affinity_parent
  irqdomain: Export irq_domain_update_bus_token
  ...
2020-08-04 18:11:58 -07:00
Linus Torvalds 99ea1521a0 Remove uninitialized_var() macro for v5.9-rc1
- Clean up non-trivial uses of uninitialized_var()
 - Update documentation and checkpatch for uninitialized_var() removal
 - Treewide removal of uninitialized_var()
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Merge tag 'uninit-macro-v5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull uninitialized_var() macro removal from Kees Cook:
 "This is long overdue, and has hidden too many bugs over the years. The
  series has several "by hand" fixes, and then a trivial treewide
  replacement.

   - Clean up non-trivial uses of uninitialized_var()

   - Update documentation and checkpatch for uninitialized_var() removal

   - Treewide removal of uninitialized_var()"

* tag 'uninit-macro-v5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  compiler: Remove uninitialized_var() macro
  treewide: Remove uninitialized_var() usage
  checkpatch: Remove awareness of uninitialized_var() macro
  mm/debug_vm_pgtable: Remove uninitialized_var() usage
  f2fs: Eliminate usage of uninitialized_var() macro
  media: sur40: Remove uninitialized_var() usage
  KVM: PPC: Book3S PR: Remove uninitialized_var() usage
  clk: spear: Remove uninitialized_var() usage
  clk: st: Remove uninitialized_var() usage
  spi: davinci: Remove uninitialized_var() usage
  ide: Remove uninitialized_var() usage
  rtlwifi: rtl8192cu: Remove uninitialized_var() usage
  b43: Remove uninitialized_var() usage
  drbd: Remove uninitialized_var() usage
  x86/mm/numa: Remove uninitialized_var() usage
  docs: deprecated.rst: Add uninitialized_var()
2020-08-04 13:49:43 -07:00
David S. Miller cabf06e5a2 wireless-drivers-next patches for v5.9
Second set of patches for v5.9. mt76 has most of patches this time.
 Otherwise it's just smaller fixes and cleanups to other drivers.
 
 There was a major conflict in mt76 driver between wireless-drivers and
 wireless-drivers-next. I solved that by merging the former to the
 latter.
 
 Major changes:
 
 rtw88
 
 * add support for ieee80211_ops::change_interface
 
 * add support for enabling and disabling beacon
 
 * add debugfs file for testing h2c
 
 mt76
 
 * ARP filter offload for 7663
 
 * runtime power management for 7663
 
 * testmode support for mfg calibration
 
 * support for more channels
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Merge tag 'wireless-drivers-next-2020-08-04' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next

Kalle Valo says:

====================
wireless-drivers-next patches for v5.9

Second set of patches for v5.9. mt76 has most of patches this time.
Otherwise it's just smaller fixes and cleanups to other drivers.

There was a major conflict in mt76 driver between wireless-drivers and
wireless-drivers-next. I solved that by merging the former to the
latter.

Major changes:

rtw88

* add support for ieee80211_ops::change_interface

* add support for enabling and disabling beacon

* add debugfs file for testing h2c

mt76

* ARP filter offload for 7663

* runtime power management for 7663

* testmode support for mfg calibration

* support for more channels
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-04 12:57:02 -07:00
Rafael J. Wysocki 9ac1fb156a Merge branch 'cpufreq/arm/linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm
Pull ARM cpufreq driver changes for v5.9-rc1 from Viresh Kumar:

"Here are the details:

- Adaptive voltage scaling (AVS) support and minor cleanups for
  brcmstb driver (Florian Fainelli and Markus Mayer).

- A new tegra driver and cleanup for the existing one (Sumit Gupta and
  Jon Hunter).

- Bandwidth level support for Qcom driver along with OPP changes (Sibi
  Sankar).

- Cleanups to sti, cpufreq-dt, ap806, CPPC drivers (Viresh Kumar, Lee
  Jones, Ivan Kokshaysky, Sven Auhagen, and Xin Hao).

- Make schedutil default governor for ARM (Valentin Schneider).

- Fix dependency issues for imx (Walter Lozano).

- Cleanup around cached_resolved_idx in cpufreq core (Viresh Kumar)."

* 'cpufreq/arm/linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm:
  cpufreq: make schedutil the default for arm and arm64
  cpufreq: cached_resolved_idx can not be negative
  cpufreq: Add Tegra194 cpufreq driver
  dt-bindings: arm: Add NVIDIA Tegra194 CPU Complex binding
  cpufreq: imx: Select NVMEM_IMX_OCOTP
  cpufreq: sti-cpufreq: Fix some formatting and misspelling issues
  cpufreq: tegra186: Simplify probe return path
  cpufreq: CPPC: Reuse caps variable in few routines
  cpufreq: ap806: fix cpufreq driver needs ap cpu clk
  cpufreq: cppc: Reorder code and remove apply_hisi_workaround variable
  cpufreq: dt: fix oops on armada37xx
  cpufreq: brcmstb-avs-cpufreq: send S2_ENTER / S2_EXIT commands to AVS
  cpufreq: brcmstb-avs-cpufreq: Support polling AVS firmware
  cpufreq: brcmstb-avs-cpufreq: more flexible interface for __issue_avs_command()
  cpufreq: qcom: Disable fast switch when scaling DDR/L3
  cpufreq: qcom: Update the bandwidth levels on frequency change
  OPP: Add and export helper to set bandwidth
  cpufreq: blacklist SC7180 in cpufreq-dt-platdev
  cpufreq: blacklist SDM845 in cpufreq-dt-platdev
2020-08-04 12:44:53 +02:00
Huacai Chen a84a334f03 dt-bindings: mips: Document Loongson kvm guest board
Document loongson64v-4core-virtio, a virtio based kvm guest board for
Loongson-3.

Signed-off-by: Huacai Chen <chenhc@lemote.com>
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2020-08-04 09:33:58 +02:00
Dennis YC Hsieh 6cb4f3b055 dt-binding: gce: add gce header file for mt6779
Add documentation for the mt6779 gce.

Add gce header file defined the gce hardware event,
subsys number and constant for mt6779.

Signed-off-by: Dennis YC Hsieh <dennis-yc.hsieh@mediatek.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
Reviewed-by: Bibby Hsieh <bibby.hsieh@mediatek.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2020-08-03 23:56:37 -05:00
Konrad Dybcio dde6805690 mailbox: qcom: Add msm8994 apcs compatible
MSM8994 has an APCS block similar to 8916, but
with a different clock driver due to the former
one having 2 clusters.

Signed-off-by: Konrad Dybcio <konradybcio@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2020-08-03 23:31:34 -05:00
Konrad Dybcio cfbf813e59 mailbox: qcom: Add sdm660 hmss compatible
The Qualcomm SDM660 platform has a APCS HMSS GLOBAL block, add the
compatible for this.

Signed-off-by: Konrad Dybcio <konradybcio@gmail.com>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2020-08-03 23:30:09 -05:00
Linus Torvalds 2baa85d692 ACPI updates for 5.9-rc1
- Eliminate significant AML processing overhead related to using
    operation regions in system memory by reworking the management
    of memory mappings in the ACPI code to defer unmap operations
    (to do them outside of the ACPICA locks, among other things) and
    making the memory operation reagion handler avoid releasing memory
    mappings created by it too early (Rafael Wysocki).
 
  - Update the ACPICA code in the kernel to upstream revision
    20200717:
 
    * Prevent operation region reference counts from overflowing in
      some cases (Erik Kaneda).
 
    * Replace one-element array with flexible-array (Gustavo A. R.
      Silva).
 
  - Fix ACPI PCI hotplug reference counting (Rafael Wysocki).
 
  - Drop last bits of the ACPI procfs interface (Thomas Renninger).
 
  - Drop some redundant checks from the code parsing ACPI tables
    related to NUMA (Hanjun Guo).
 
  - Avoid redundant object evaluation in the ACPI device properties
    handling code (Heikki Krogerus).
 
  - Avoid unecessary memory overhead related to storing the signatures
    of the ACPI tables recognized by the kernel (Ard Biesheuvel).
 
  - Add missing newline characters when printing module parameter
    values in some places (Xiongfeng Wang).
 
  - Update the link to the ACPI specifications in some places (Tiezhu
    Yang).
 
  - Use the fallthrough pseudo-keyword in the ACPI code (Gustavo A. R.
    Silva).
 
  - Drop redundant variable initialization from the APEI code (Colin
    Ian King).
 
  - Drop uninitialized_var() from the ACPI PAD driver (Jason Yan).
 
  - Replace HTTP links with HTTPS ones in the ACPI code (Alexander A.
    Klimov).
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Merge tag 'acpi-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI updates from Rafael Wysocki:
 "These eliminate significant AML processing overhead related to using
  operation regions in system memory, update the ACPICA code in the
  kernel to upstream revision 20200717 (including a fix to prevent
  operation region reference counts from overflowing in some cases),
  remove the last bits of the (long deprecated) ACPI procfs interface
  and do some assorted cleanups.

  Specifics:

   - Eliminate significant AML processing overhead related to using
     operation regions in system memory by reworking the management of
     memory mappings in the ACPI code to defer unmap operations (to do
     them outside of the ACPICA locks, among other things) and making
     the memory operation reagion handler avoid releasing memory
     mappings created by it too early (Rafael Wysocki).

   - Update the ACPICA code in the kernel to upstream revision 20200717:

       * Prevent operation region reference counts from overflowing in
         some cases (Erik Kaneda).

       * Replace one-element array with flexible-array (Gustavo A. R.
         Silva).

   - Fix ACPI PCI hotplug reference counting (Rafael Wysocki).

   - Drop last bits of the ACPI procfs interface (Thomas Renninger).

   - Drop some redundant checks from the code parsing ACPI tables
     related to NUMA (Hanjun Guo).

   - Avoid redundant object evaluation in the ACPI device properties
     handling code (Heikki Krogerus).

   - Avoid unecessary memory overhead related to storing the signatures
     of the ACPI tables recognized by the kernel (Ard Biesheuvel).

   - Add missing newline characters when printing module parameter
     values in some places (Xiongfeng Wang).

   - Update the link to the ACPI specifications in some places (Tiezhu
     Yang).

   - Use the fallthrough pseudo-keyword in the ACPI code (Gustavo A. R.
     Silva).

   - Drop redundant variable initialization from the APEI code (Colin
     Ian King).

   - Drop uninitialized_var() from the ACPI PAD driver (Jason Yan).

   - Replace HTTP links with HTTPS ones in the ACPI code (Alexander A.
     Klimov)"

* tag 'acpi-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (22 commits)
  ACPI: APEI: remove redundant assignment to variable rc
  ACPI: NUMA: Remove the useless 'node >= MAX_NUMNODES' check
  ACPI: NUMA: Remove the useless sub table pointer check
  ACPI: tables: Remove the duplicated checks for acpi_parse_entries_array()
  ACPICA: Update version to 20200717
  ACPICA: Do not increment operation_region reference counts for field units
  ACPICA: Replace one-element array with flexible-array
  ACPI: Replace HTTP links with HTTPS ones
  ACPI: Use valid link to the ACPI specification
  ACPI: OSL: Clean up the removal of unused memory mappings
  ACPI: OSL: Use deferred unmapping in acpi_os_unmap_iomem()
  ACPI: OSL: Use deferred unmapping in acpi_os_unmap_generic_address()
  ACPICA: Preserve memory opregion mappings
  ACPI: OSL: Implement deferred unmapping of ACPI memory
  ACPI: Use fallthrough pseudo-keyword
  PCI: hotplug: ACPI: Fix context refcounting in acpiphp_grab_context()
  ACPI: tables: avoid relocations for table signature array
  ACPI: PAD: Eliminate usage of uninitialized_var() macro
  ACPI: sysfs: add newlines when printing module parameters
  ACPI: EC: add newline when printing 'ec_event_clearing' module parameter
  ...
2020-08-03 20:37:22 -07:00
Linus Torvalds 0408497800 Power management updates for 5.9-rc1
- Make the Energy Model cover non-CPU devices (Lukasz Luba).
 
  - Add Ice Lake server idle states table to the intel_idle driver
    and eliminate a redundant static variable from it (Chen Yu,
    Rafael Wysocki).
 
  - Eliminate all W=1 build warnings from cpufreq (Lee Jones).
 
  - Add support for Sapphire Rapids and for Power Limit 4 to the
    Intel RAPL power capping driver (Sumeet Pawnikar, Zhang Rui).
 
  - Fix function name in kerneldoc comments in the idle_inject power
    capping driver (Yangtao Li).
 
  - Fix locking issues with cpufreq governors and drop a redundant
    "weak" function definition from cpufreq (Viresh Kumar).
 
  - Rearrange cpufreq to register non-modular governors at the
    core_initcall level and allow the default cpufreq governor to
    be specified in the kernel command line (Quentin Perret).
 
  - Extend, fix and clean up the intel_pstate driver (Srinivas
    Pandruvada, Rafael Wysocki):
 
    * Add a new sysfs attribute for disabling/enabling CPU
      energy-efficiency optimizations in the processor.
 
    * Make the driver avoid enabling HWP if EPP is not supported.
 
    * Allow the driver to handle numeric EPP values in the sysfs
      interface and fix the setting of EPP via sysfs in the active
      mode.
 
    * Eliminate a static checker warning and clean up a kerneldoc
      comment.
 
  - Clean up some variable declarations in the powernv cpufreq
    driver (Wei Yongjun).
 
  - Fix up the ->enter_s2idle callback definition to cover the case
    when it points to the same function as ->idle correctly (Neal
    Liu).
 
  - Rearrange and clean up the PSCI cpuidle driver (Ulf Hansson).
 
  - Make the PM core emit "changed" uevent when adding/removing the
    "wakeup" sysfs attribute of devices (Abhishek Pandit-Subedi).
 
  - Add a helper macro for declaring PM callbacks and use it in the
    MMC jz4740 driver (Paul Cercueil).
 
  - Fix white space in some places in the hibernate code and make the
    system-wide PM code use "const char *" where appropriate (Xiang
    Chen, Alexey Dobriyan).
 
  - Add one more "unsafe" helper macro to the freezer to cover the NFS
    use case (He Zhe).
 
  - Change the language in the generic PM domains framework to use
    parent/child terminology and clean up a typo and some comment
    fromatting in that code (Kees Cook, Geert Uytterhoeven).
 
  - Update the operating performance points OPP framework (Lukasz
    Luba, Andrew-sh.Cheng, Valdis Kletnieks):
 
    * Refactor dev_pm_opp_of_register_em() and update related drivers.
 
    * Add a missing function export.
 
    * Allow disabled OPPs in dev_pm_opp_get_freq().
 
  - Update devfreq core and drivers (Chanwoo Choi, Lukasz Luba, Enric
    Balletbo i Serra, Dmitry Osipenko, Kieran Bingham, Marc Zyngier):
 
    * Add support for delayed timers to the devfreq core and make the
      Samsung exynos5422-dmc driver use it.
 
    * Unify sysfs interface to use "df-" as a prefix in instance names
      consistently.
 
    * Fix devfreq_summary debugfs node indentation.
 
    * Add the rockchip,pmu phandle to the rk3399_dmc driver DT
      bindings.
 
    * List Dmitry Osipenko as the Tegra devfreq driver maintainer.
 
    * Fix typos in the core devfreq code.
 
  - Update the pm-graph utility to version 5.7 including a number of
    fixes related to suspend-to-idle (Todd Brandt).
 
  - Fix coccicheck errors and warnings in the cpupower utility (Shuah
    Khan).
 
  - Replace HTTP links with HTTPs ones in multiple places (Alexander
    A. Klimov).
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Merge tag 'pm-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management updates from Rafael Wysocki:
 "The most significant change here is the extension of the Energy Model
  to cover non-CPU devices (as well as CPUs) from Lukasz Luba.

  There is also some new hardware support (Ice Lake server idle states
  table for intel_idle, Sapphire Rapids and Power Limit 4 support in the
  RAPL driver), some new functionality in the existing drivers (eg. a
  new switch to disable/enable CPU energy-efficiency optimizations in
  intel_pstate, delayed timers in devfreq), some assorted fixes (cpufreq
  core, intel_pstate, intel_idle) and cleanups (eg. cpuidle-psci,
  devfreq), including the elimination of W=1 build warnings from cpufreq
  done by Lee Jones.

  Specifics:

   - Make the Energy Model cover non-CPU devices (Lukasz Luba).

   - Add Ice Lake server idle states table to the intel_idle driver and
     eliminate a redundant static variable from it (Chen Yu, Rafael
     Wysocki).

   - Eliminate all W=1 build warnings from cpufreq (Lee Jones).

   - Add support for Sapphire Rapids and for Power Limit 4 to the Intel
     RAPL power capping driver (Sumeet Pawnikar, Zhang Rui).

   - Fix function name in kerneldoc comments in the idle_inject power
     capping driver (Yangtao Li).

   - Fix locking issues with cpufreq governors and drop a redundant
     "weak" function definition from cpufreq (Viresh Kumar).

   - Rearrange cpufreq to register non-modular governors at the
     core_initcall level and allow the default cpufreq governor to be
     specified in the kernel command line (Quentin Perret).

   - Extend, fix and clean up the intel_pstate driver (Srinivas
     Pandruvada, Rafael Wysocki):

       * Add a new sysfs attribute for disabling/enabling CPU
         energy-efficiency optimizations in the processor.

       * Make the driver avoid enabling HWP if EPP is not supported.

       * Allow the driver to handle numeric EPP values in the sysfs
         interface and fix the setting of EPP via sysfs in the active
         mode.

       * Eliminate a static checker warning and clean up a kerneldoc
         comment.

   - Clean up some variable declarations in the powernv cpufreq driver
     (Wei Yongjun).

   - Fix up the ->enter_s2idle callback definition to cover the case
     when it points to the same function as ->idle correctly (Neal Liu).

   - Rearrange and clean up the PSCI cpuidle driver (Ulf Hansson).

   - Make the PM core emit "changed" uevent when adding/removing the
     "wakeup" sysfs attribute of devices (Abhishek Pandit-Subedi).

   - Add a helper macro for declaring PM callbacks and use it in the MMC
     jz4740 driver (Paul Cercueil).

   - Fix white space in some places in the hibernate code and make the
     system-wide PM code use "const char *" where appropriate (Xiang
     Chen, Alexey Dobriyan).

   - Add one more "unsafe" helper macro to the freezer to cover the NFS
     use case (He Zhe).

   - Change the language in the generic PM domains framework to use
     parent/child terminology and clean up a typo and some comment
     fromatting in that code (Kees Cook, Geert Uytterhoeven).

   - Update the operating performance points OPP framework (Lukasz Luba,
     Andrew-sh.Cheng, Valdis Kletnieks):

       * Refactor dev_pm_opp_of_register_em() and update related drivers.

       * Add a missing function export.

       * Allow disabled OPPs in dev_pm_opp_get_freq().

   - Update devfreq core and drivers (Chanwoo Choi, Lukasz Luba, Enric
     Balletbo i Serra, Dmitry Osipenko, Kieran Bingham, Marc Zyngier):

       * Add support for delayed timers to the devfreq core and make the
         Samsung exynos5422-dmc driver use it.

       * Unify sysfs interface to use "df-" as a prefix in instance
         names consistently.

       * Fix devfreq_summary debugfs node indentation.

       * Add the rockchip,pmu phandle to the rk3399_dmc driver DT
         bindings.

       * List Dmitry Osipenko as the Tegra devfreq driver maintainer.

       * Fix typos in the core devfreq code.

   - Update the pm-graph utility to version 5.7 including a number of
     fixes related to suspend-to-idle (Todd Brandt).

   - Fix coccicheck errors and warnings in the cpupower utility (Shuah
     Khan).

   - Replace HTTP links with HTTPs ones in multiple places (Alexander A.
     Klimov)"

* tag 'pm-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (71 commits)
  cpuidle: ACPI: fix 'return' with no value build warning
  cpufreq: intel_pstate: Fix EPP setting via sysfs in active mode
  cpufreq: intel_pstate: Rearrange the storing of new EPP values
  intel_idle: Customize IceLake server support
  PM / devfreq: Fix the wrong end with semicolon
  PM / devfreq: Fix indentaion of devfreq_summary debugfs node
  PM / devfreq: Clean up the devfreq instance name in sysfs attr
  memory: samsung: exynos5422-dmc: Add module param to control IRQ mode
  memory: samsung: exynos5422-dmc: Adjust polling interval and uptreshold
  memory: samsung: exynos5422-dmc: Use delayed timer as default
  PM / devfreq: Add support delayed timer for polling mode
  dt-bindings: devfreq: rk3399_dmc: Add rockchip,pmu phandle
  PM / devfreq: tegra: Add Dmitry as a maintainer
  PM / devfreq: event: Fix trivial spelling
  PM / devfreq: rk3399_dmc: Fix kernel oops when rockchip,pmu is absent
  cpuidle: change enter_s2idle() prototype
  cpuidle: psci: Prevent domain idlestates until consumers are ready
  cpuidle: psci: Convert PM domain to platform driver
  cpuidle: psci: Fix error path via converting to a platform driver
  cpuidle: psci: Fail cpuidle registration if set OSI mode failed
  ...
2020-08-03 20:28:08 -07:00
Linus Torvalds b171373902 spi: Updates for v5.9
A fairly quiet release for SPI, nothing really going on in the core
 although there's been quite a bit of driver related activity.  This pull
 request includes the addition of some shared code in drivers/memory for
 the Renesas RPC-IF which is used by a newly added SPI driver, the memory
 subsystem doesn't seem to have a fixed maintainer at the minute and this
 seemed like the most sensible way to get that hardware supported.
 
  - Quite a few cleanups and optimizations for the Altera, Qualcomm GENI,
    sun6i and lantiq drivers.
  - Several more GPIO descriptor conversions.
  - Move the Cadence QuadSPI driver from drivers/mtd to drivers/spi.
  - New support for Mediatek MT8192 and Renesas RPC-IF, R8A7742 and
    R8A774e1.
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Merge tag 'spi-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi updates from Mark Brown:
 "A fairly quiet release for SPI, nothing really going on in the core
  although there's been quite a bit of driver related activity.

  This includes the addition of some shared code in drivers/memory for
  the Renesas RPC-IF which is used by a newly added SPI driver, the
  memory subsystem doesn't seem to have a fixed maintainer at the minute
  and this seemed like the most sensible way to get that hardware
  supported.

   - Quite a few cleanups and optimizations for the Altera, Qualcomm
     GENI, sun6i and lantiq drivers.

   - Several more GPIO descriptor conversions.

   - Move the Cadence QuadSPI driver from drivers/mtd to drivers/spi.

   - New support for Mediatek MT8192 and Renesas RPC-IF, R8A7742 and
     R8A774e1"

* tag 'spi-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (119 commits)
  dt-bindings: lpspi: New property in document DT bindings for LPSPI
  spi: lpspi: fix using CS discontinuously on i.MX8DXLEVK
  spi: lpspi: remove unused fsl_lpspi->chipselect
  spi: lpspi: Fix kernel warning dump when probe fail after calling spi_register
  spi: rockchip: Fix error in SPI slave pio read
  spi: rockchip: Support 64-location deep FIFOs
  spi: rockchip: Config spi rx dma burst size depend on xfer length
  spi: spi-topcliff-pch: drop call to wakeup-disable
  spi: spidev: Align buffers for DMA
  spi: correct kernel-doc inconsistency
  spi: sun4i: update max transfer size reported
  spi: imx: enable runtime pm support
  spi: update bindings for MT8192 SoC
  spi: mediatek: add spi support for mt8192 IC
  spi: Add bindings for Lightning Mountain SoC
  spi: lantiq: Add support to Lightning Mountain SoC
  spi: lantiq: Move interrupt configuration to SoC specific data structure
  spi: lantiq: Add fifo size bit mask in SoC specific data structure
  spi: lantiq: Add support to acknowledge interrupt
  spi: lantiq: Move interrupt control register offesets to SoC specific data structure
  ...
2020-08-03 20:08:51 -07:00
Linus Torvalds bbb839901f regulator: Updates for v5.9
This time around the bulk of the work on the regulator API has been
 cleanups of various kinds, partly but not entirely inspired by the W=1
 stuff that 0day turned on.  There's also been a fairly large crop of new
 drivers, and a few bugfixes for existing drivers.
 
  - Mode setting support for MT6397 and DA9211.
  - New drivers for ChromeOS embedded controllers, Fairchild FAN53880,
    NXP PCA9450, Qualcomm LABIBB, MP5496, and VBUS booster, and Silergy
    SY8827N
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Merge tag 'regulator-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator updates from Mark Brown:
 "This time around the bulk of the work on the regulator API has been
  cleanups of various kinds, partly but not entirely inspired by the W=1
  stuff that 0day turned on.

  There's also been a fairly large crop of new drivers, and a few
  bugfixes for existing drivers.

   - Mode setting support for MT6397 and DA9211.

   - New drivers for ChromeOS embedded controllers, Fairchild FAN53880,
     NXP PCA9450, Qualcomm LABIBB, MP5496, and VBUS booster, and Silergy
     SY8827N"

* tag 'regulator-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (67 commits)
  regulator: add the sub node names for the MP5496 PMIC
  regulator: cros-ec-regulator: Fix double free of desc->name.
  platform/chrome: cros_ec: Fix host command for regulator control.
  regulator: pca9450: Convert to use module_i2c_driver
  regulator: fix memory leak on error path of regulator_register()
  regulator: Replace HTTP links with HTTPS ones
  regulator: convert QCOM SMD-RPM regulator document to YAML schema
  regulator: gpio: Honor regulator-boot-on property
  regulator: core: Add destroy_regulator()
  regulator: Correct kernel-doc inconsistency
  regulator: Add labibb regulator binding
  regulator: qcom: Add labibb driver
  regulator: Allow regulators to verify enabled during enable()
  regulator: cros-ec: Constify cros_ec_regulator_voltage_ops
  regulator: devres: Standardise on function documentation headers
  regulator: of_regulator: Add missing colon for rdev kerneldoc argument
  regulator: devres: Fix issues with kerneldoc headers
  regulator: fan53880: Add support for COMPILE_TEST
  regulator: fan53880: Add missing .owner field in regulator_desc
  dt-bindings: regulator: add pca9450 regulator yaml
  ...
2020-08-03 20:05:44 -07:00