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ea982ba7f7
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40934 Commits

Author SHA1 Message Date
Linus Torvalds
ea982ba7f7 MMC core: 
- Fixup processing of SDIO IRQs during system suspend/resume
  - Add helper function to indicate if SDIO IRQs is enabled
 
 MMC host:
  - bcm2835: Take SWIOTLB memory size limitation into account
  - dw_mmc: Improve SDIO IRQs support
  - mtk-sd: Various improvements
  - mtk-sd: Improve SDIO IRQs support
  - sdhci-iproc: Add support for emmc2 of the BCM2711
  - sdhci-of-arasan: Add Support for Intel LGM eMMC
  - sdhci-of-aspeed: Add support for the ASPEED SD controller
  - sdhci-of-esdhc: Deal with erratum A011334 support in ls1028a 1.0 SoC
  - sdhci-pci: Prepare to add support of Genesys Logic GL975x
  - sdhci-pci: Add another Id for Intel CML
  - sdhci-pci-o2micro: Fix O2 Host data read/write DLL Lock phase shift issue
  - sunxi: Add support for H5 compatibles
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Merge tag 'mmc-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull MMC updates from Ulf Hansson:
 "MMC core:
   - Fixup processing of SDIO IRQs during system suspend/resume
   - Add helper function to indicate if SDIO IRQs is enabled

  MMC host:
   - bcm2835: Take SWIOTLB memory size limitation into account
   - dw_mmc: Improve SDIO IRQs support
   - mtk-sd: Various improvements
   - mtk-sd: Improve SDIO IRQs support
   - sdhci-iproc: Add support for emmc2 of the BCM2711
   - sdhci-of-arasan: Add Support for Intel LGM eMMC
   - sdhci-of-aspeed: Add support for the ASPEED SD controller
   - sdhci-of-esdhc: Deal with erratum A011334 support in ls1028a 1.0 SoC
   - sdhci-pci: Prepare to add support of Genesys Logic GL975x
   - sdhci-pci: Add another Id for Intel CML
   - sdhci-pci-o2micro: Fix O2 Host data read/write DLL Lock phase shift issue
   - sunxi: Add support for H5 compatibles"

* tag 'mmc-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (59 commits)
  ms_block: fix spelling mistake "randomally" -> "randomly"
  mmc: dw_mmc: hi3798cv200: make array degrees static const, makes object smaller
  mmc: sdhci: Convert to use sdio_irq_claimed()
  mmc: sdhci: Drop redundant code for SDIO IRQs
  mmc: sdhci: Drop redundant check in sdhci_ack_sdio_irq()
  mmc: core: Fixup processing of SDIO IRQs during system suspend/resume
  mmc: core: WARN if SDIO IRQs are enabled for non-powered card in suspend
  mmc: core: Clarify that the ->ack_sdio_irq() callback is mandatory
  mmc: core: Clarify sdio_irq_pending flag for MMC_CAP2_SDIO_IRQ_NOTHREAD
  mmc: core: Move code to get pending SDIO IRQs to a function
  mmc: mtk-sd: Re-store SDIO IRQs mask at system resume
  mmc: dw_mmc: Re-store SDIO IRQs mask at system resume
  mmc: core: Add helper function to indicate if SDIO IRQs is enabled
  mmc: sdhci-pci-o2micro: Fix O2 Host data read/write DLL Lock phase shift issue
  mmc: sdhci-pci-o2micro: Move functions in preparation to fix DLL lock phase shift issue
  mmc: sdhci-pci-o2micro: Change O2 Host PLL and DLL register name
  mmc: sdhci: Fix incorrect switch to HS mode
  mmc: sdhci-of-aspeed: Depend on CONFIG_OF_ADDRESS
  mmc: sdhci-of-aspeed: Allow max-frequency limitation of SDCLK
  mmc: sdhci-of-aspeed: Uphold clocks-on post-condition of set_clock()
  ...
 2019-09-17 17:27:33 -07:00
Linus Torvalds
7ad67ca553 for-5.4/block-2019-09-16 
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Merge tag 'for-5.4/block-2019-09-16' of git://git.kernel.dk/linux-block

Pull block updates from Jens Axboe:

 - Two NVMe pull requests:
     - ana log parse fix from Anton
     - nvme quirks support for Apple devices from Ben
     - fix missing bio completion tracing for multipath stack devices
       from Hannes and Mikhail
     - IP TOS settings for nvme rdma and tcp transports from Israel
     - rq_dma_dir cleanups from Israel
     - tracing for Get LBA Status command from Minwoo
     - Some nvme-tcp cleanups from Minwoo, Potnuri and Myself
     - Some consolidation between the fabrics transports for handling
       the CAP register
     - reset race with ns scanning fix for fabrics (move fabrics
       commands to a dedicated request queue with a different lifetime
       from the admin request queue)."
     - controller reset and namespace scan races fixes
     - nvme discovery log change uevent support
     - naming improvements from Keith
     - multiple discovery controllers reject fix from James
     - some regular cleanups from various people

 - Series fixing (and re-fixing) null_blk debug printing and nr_devices
   checks (André)

 - A few pull requests from Song, with fixes from Andy, Guoqing,
   Guilherme, Neil, Nigel, and Yufen.

 - REQ_OP_ZONE_RESET_ALL support (Chaitanya)

 - Bio merge handling unification (Christoph)

 - Pick default elevator correctly for devices with special needs
   (Damien)

 - Block stats fixes (Hou)

 - Timeout and support devices nbd fixes (Mike)

 - Series fixing races around elevator switching and device add/remove
   (Ming)

 - sed-opal cleanups (Revanth)

 - Per device weight support for BFQ (Fam)

 - Support for blk-iocost, a new model that can properly account cost of
   IO workloads. (Tejun)

 - blk-cgroup writeback fixes (Tejun)

 - paride queue init fixes (zhengbin)

 - blk_set_runtime_active() cleanup (Stanley)

 - Block segment mapping optimizations (Bart)

 - lightnvm fixes (Hans/Minwoo/YueHaibing)

 - Various little fixes and cleanups

* tag 'for-5.4/block-2019-09-16' of git://git.kernel.dk/linux-block: (186 commits)
  null_blk: format pr_* logs with pr_fmt
  null_blk: match the type of parameter nr_devices
  null_blk: do not fail the module load with zero devices
  block: also check RQF_STATS in blk_mq_need_time_stamp()
  block: make rq sector size accessible for block stats
  bfq: Fix bfq linkage error
  raid5: use bio_end_sector in r5_next_bio
  raid5: remove STRIPE_OPS_REQ_PENDING
  md: add feature flag MD_FEATURE_RAID0_LAYOUT
  md/raid0: avoid RAID0 data corruption due to layout confusion.
  raid5: don't set STRIPE_HANDLE to stripe which is in batch list
  raid5: don't increment read_errors on EILSEQ return
  nvmet: fix a wrong error status returned in error log page
  nvme: send discovery log page change events to userspace
  nvme: add uevent variables for controller devices
  nvme: enable aen regardless of the presence of I/O queues
  nvme-fabrics: allow discovery subsystems accept a kato
  nvmet: Use PTR_ERR_OR_ZERO() in nvmet_init_discovery()
  nvme: Remove redundant assignment of cq vector
  nvme: Assign subsys instance from first ctrl
  ...
 2019-09-17 16:57:47 -07:00
Linus Torvalds
7c672abc12 It's a somewhat calmer cycle for docs this time, as the churn of the mass 
RST conversion is happily mostly behind us.
 
  - A new document on reproducible builds.
 
  - We finally got around to zapping the documentation for hardware support
    that was removed in 2004; one doesn't want to rush these things.
 
  - The usual assortment of fixes, typo corrections, etc.
 
 You'll still find a handful of annoying conflicts against other trees,
 mostly tied to the last RST conversions; resolutions are straightforward
 and the linux-next ones are good.
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Merge tag 'docs-5.4' of git://git.lwn.net/linux

Pull documentation updates from Jonathan Corbet:
 "It's a somewhat calmer cycle for docs this time, as the churn of the
  mass RST conversion is happily mostly behind us.

   - A new document on reproducible builds.

   - We finally got around to zapping the documentation for hardware
     support that was removed in 2004; one doesn't want to rush these
     things.

   - The usual assortment of fixes, typo corrections, etc"

* tag 'docs-5.4' of git://git.lwn.net/linux: (67 commits)
  Documentation: kbuild: Add document about reproducible builds
  docs: printk-formats: Stop encouraging use of unnecessary %h[xudi] and %hh[xudi]
  Documentation: Add "earlycon=sbi" to the admin guide
  doc🔒 remove reference to clever use of read-write lock
  devices.txt: improve entry for comedi (char major 98)
  docs: mtd: Update spi nor reference driver
  doc: arm64: fix grammar dtb placed in no attributes region
  Documentation: sysrq: don't recommend 'S' 'U' before 'B'
  mailmap: Update email address for Quentin Perret
  docs: ftrace: clarify when tracing is disabled by the trace file
  docs: process: fix broken link
  Documentation/arm/samsung-s3c24xx: Remove stray U+FEFF character to fix title
  Documentation/arm/sa1100/assabet: Fix 'make assabet_defconfig' command
  Documentation/arm/sa1100: Remove some obsolete documentation
  docs/zh_CN: update Chinese howto.rst for latexdocs making
  Documentation: virt: Fix broken reference to virt tree's index
  docs: Fix typo on pull requests guide
  kernel-doc: Allow anonymous enum
  Documentation: sphinx: Don't parse socket() as identifier reference
  Documentation: sphinx: Add missing comma to list of strings
  ...
 2019-09-17 16:22:26 -07:00
Linus Torvalds
d590284419 s390 updates for the 5.4 merge window 
- Add support for IBM z15 machines.
 
 - Add SHA3 and CCA AES cipher key support in zcrypt and pkey refactoring.
 
 - Move to arch_stack_walk infrastructure for the stack unwinder.
 
 - Various kasan fixes and improvements.
 
 - Various command line parsing fixes.
 
 - Improve decompressor phase debuggability.
 
 - Lift no bss usage restriction for the early code.
 
 - Use refcount_t for reference counters for couple of places in
   mm code.
 
 - Logging improvements and return code fix in vfio-ccw code.
 
 - Couple of zpci fixes and minor refactoring.
 
 - Remove some outdated documentation.
 
 - Fix secure boot detection.
 
 - Other various minor code clean ups.
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Merge tag 's390-5.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

Pull s390 updates from Vasily Gorbik:

 - Add support for IBM z15 machines.

 - Add SHA3 and CCA AES cipher key support in zcrypt and pkey
   refactoring.

 - Move to arch_stack_walk infrastructure for the stack unwinder.

 - Various kasan fixes and improvements.

 - Various command line parsing fixes.

 - Improve decompressor phase debuggability.

 - Lift no bss usage restriction for the early code.

 - Use refcount_t for reference counters for couple of places in mm
   code.

 - Logging improvements and return code fix in vfio-ccw code.

 - Couple of zpci fixes and minor refactoring.

 - Remove some outdated documentation.

 - Fix secure boot detection.

 - Other various minor code clean ups.

* tag 's390-5.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (48 commits)
  s390: remove pointless drivers-y in drivers/s390/Makefile
  s390/cpum_sf: Fix line length and format string
  s390/pci: fix MSI message data
  s390: add support for IBM z15 machines
  s390/crypto: Support for SHA3 via CPACF (MSA6)
  s390/startup: add pgm check info printing
  s390/crypto: xts-aes-s390 fix extra run-time crypto self tests finding
  vfio-ccw: fix error return code in vfio_ccw_sch_init()
  s390: vfio-ap: fix warning reset not completed
  s390/base: remove unused s390_base_mcck_handler
  s390/sclp: Fix bit checked for has_sipl
  s390/zcrypt: fix wrong handling of cca cipher keygenflags
  s390/kasan: add kdump support
  s390/setup: avoid using strncmp with hardcoded length
  s390/sclp: avoid using strncmp with hardcoded length
  s390/module: avoid using strncmp with hardcoded length
  s390/pci: avoid using strncmp with hardcoded length
  s390/kaslr: reserve memory for kasan usage
  s390/mem_detect: provide single get_mem_detect_end
  s390/cmma: reuse kstrtobool for option value parsing
  ...
 2019-09-17 14:04:43 -07:00
Linus Torvalds
7f2444d38f Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull core timer updates from Thomas Gleixner:
 "Timers and timekeeping updates:

   - A large overhaul of the posix CPU timer code which is a preparation
     for moving the CPU timer expiry out into task work so it can be
     properly accounted on the task/process.

     An update to the bogus permission checks will come later during the
     merge window as feedback was not complete before heading of for
     travel.

   - Switch the timerqueue code to use cached rbtrees and get rid of the
     homebrewn caching of the leftmost node.

   - Consolidate hrtimer_init() + hrtimer_init_sleeper() calls into a
     single function

   - Implement the separation of hrtimers to be forced to expire in hard
     interrupt context even when PREEMPT_RT is enabled and mark the
     affected timers accordingly.

   - Implement a mechanism for hrtimers and the timer wheel to protect
     RT against priority inversion and live lock issues when a (hr)timer
     which should be canceled is currently executing the callback.
     Instead of infinitely spinning, the task which tries to cancel the
     timer blocks on a per cpu base expiry lock which is held and
     released by the (hr)timer expiry code.

   - Enable the Hyper-V TSC page based sched_clock for Hyper-V guests
     resulting in faster access to timekeeping functions.

   - Updates to various clocksource/clockevent drivers and their device
     tree bindings.

   - The usual small improvements all over the place"

* 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (101 commits)
  posix-cpu-timers: Fix permission check regression
  posix-cpu-timers: Always clear head pointer on dequeue
  hrtimer: Add a missing bracket and hide `migration_base' on !SMP
  posix-cpu-timers: Make expiry_active check actually work correctly
  posix-timers: Unbreak CONFIG_POSIX_TIMERS=n build
  tick: Mark sched_timer to expire in hard interrupt context
  hrtimer: Add kernel doc annotation for HRTIMER_MODE_HARD
  x86/hyperv: Hide pv_ops access for CONFIG_PARAVIRT=n
  posix-cpu-timers: Utilize timerqueue for storage
  posix-cpu-timers: Move state tracking to struct posix_cputimers
  posix-cpu-timers: Deduplicate rlimit handling
  posix-cpu-timers: Remove pointless comparisons
  posix-cpu-timers: Get rid of 64bit divisions
  posix-cpu-timers: Consolidate timer expiry further
  posix-cpu-timers: Get rid of zero checks
  rlimit: Rewrite non-sensical RLIMIT_CPU comment
  posix-cpu-timers: Respect INFINITY for hard RTTIME limit
  posix-cpu-timers: Switch thread group sampling to array
  posix-cpu-timers: Restructure expiry array
  posix-cpu-timers: Remove cputime_expires
  ...
 2019-09-17 12:35:15 -07:00
Linus Torvalds
a572ba6329 Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull core irq updates from Thomas Gleixner:
 "Updates from the irq departement:

   - Update the interrupt spreading code so it handles numa node with
     different CPU counts properly.

   - A large overhaul of the ARM GiCv3 driver to support new PPI and SPI
     ranges.

   - Conversion of all alloc_fwnode() users to use physical addresses
     instead of virtual addresses so the virtual addresses are not
     leaked. The physical address is sufficient to identify the
     associated interrupt chip.

   - Add support for Marvel MMP3, Amlogic Meson SM1 interrupt chips.

   - Enforce interrupt threading at compile time if RT is enabled.

   - Small updates and improvements all over the place"

* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (37 commits)
  irqchip/gic-v3-its: Fix LPI release for Multi-MSI devices
  irqchip/uniphier-aidet: Use devm_platform_ioremap_resource()
  irqdomain: Add the missing assignment of domain->fwnode for named fwnode
  irqchip/mmp: Coexist with GIC root IRQ controller
  irqchip/mmp: Mask off interrupts from other cores
  irqchip/mmp: Add missing chained_irq_{enter,exit}()
  irqchip/mmp: Do not use of_address_to_resource() to get mux regs
  irqchip/meson-gpio: Add support for meson sm1 SoCs
  dt-bindings: interrupt-controller: New binding for the meson sm1 SoCs
  genirq/affinity: Remove const qualifier from node_to_cpumask argument
  genirq/affinity: Spread vectors on node according to nr_cpu ratio
  genirq/affinity: Improve __irq_build_affinity_masks()
  irqchip: Remove dev_err() usage after platform_get_irq()
  irqchip: Add include guard to irq-partition-percpu.h
  irqchip/mmp: Do not call irq_set_default_host() on DT platforms
  irqchip/gic-v3-its: Remove the redundant set_bit for lpi_map
  irqchip/gic-v3: Add quirks for HIP06/07 invalid GICD_TYPER erratum 161010803
  irqchip/gic: Skip DT quirks when evaluating IIDR-based quirks
  irqchip/gic-v3: Warn about inconsistent implementations of extended ranges
  irqchip/gic-v3: Add EPPI range support
  ...
 2019-09-17 11:42:15 -07:00
Linus Torvalds
ad06219573 platform-drivers-x86 for v5.4-1 
* ASUS WMI driver got couple of worth to mention updates, i.e. support of
   FAN is fixed for recent products and the charge threshold support has been
   added.
 
 * Two uknown key events for Dell laptops are being ignored now to avoid spam
   user with harmless messages.
 
 * HP ZBook 17 G5 and ASUS Zenbook UX430UNR have got accelerometer support.
 
 * Intel CherryTrail platforms got a regression with wake up. Now it's fixed.
 
 * Intel PMC driver got fixed in order to work nicely in Xen environment.
 
 * Intel Speed Select driver provides bucket vs core count relationship.
   Besides that the tools has been updated for better output.
 
 * The PrivacyGuard is enabled on Lenovo ThinkPad laptops.
 
 * Three tablets, i.e. Trekstor Primebook C11B 2-in-1, Irbis TW90 and
   Chuwi Surbook Mini, have got touchscreen support.
 
 The following is an automated git shortlog grouped by driver:
 
 acer-wmi:
  -  Switch to acpi_dev_get_first_match_dev()
 
 asus-nb-wmi:
  -  Support ALS on the Zenbook UX430UNR
 
 asus-wmi:
  -  Refactor charge threshold to use the battery hooking API
  -  Rename CHARGE_THRESHOLD to RSOC
  -  Reorder ASUS_WMI_CHARGE_THRESHOLD
  -  Fix condition in charge_threshold_store()
  -  Remove unnecessary blank lines
  -  Drop indentation level by inverting conditionals
  -  Use clamp_val() instead of open coded variant
  -  Replace sscanf() with kstrtoint()
  -  Refactor charge_threshold_store()
  -  Add support for charge threshold
  -  fix CPU fan control on recent products
  -  add a helper for device presence
  -  cleanup AGFN fan handling
  -  Use kmemdup rather than duplicating its implementation
 
 compal-laptop:
  -  Initialize "value" in ec_read_u8()
 
 dell-wmi:
  -  Use existing defined KBD_LED_* magic values
  -  Ignore keyboard backlight change KBD_LED_AUTO_TOKEN
  -  Ignore keyboard backlight change KBD_LED_ON_TOKEN
 
 hp_accel:
  -  Add support for HP ZBook 17 G5
 
 i2c-multi-instantiate:
  -  Use struct_size() helper
 
 intel_bxtwc_tmu:
  -  Remove dev_err() usage after platform_get_irq()
 
 intel_int0002_vgpio:
  -  Use device_init_wakeup
  -  Fix wakeups not working on Cherry Trail
  -  Remove dev_err() usage after platform_get_irq()
 
 intel_pmc_core:
  -  Do not ioremap RAM
 
 intel_pmc_core_pltdrv:
  -  Module removal warning fix
 
 intel_pmc_ipc:
  -  Remove dev_err() usage after platform_get_irq()
 
 ISST:
  -  Allow additional TRL MSRs
  -  Use dev_get_drvdata
 
 MAINTAINERS:
  -  Switch PDx86 subsystem status to Odd Fixes
 
 pcengines-apuv2:
  -  wire up simswitch gpio as led
  -  add mpcie reset gpio export
 
 platform/mellanox:
  -  mlxreg-hotplug: Remove dev_err() usage after platform_get_irq()
 
 pmc_atom:
  -  Add Siemens SIMATIC IPC227E to critclk_systems DMI table
 
 thinkpad_acpi:
  -  Add ThinkPad PrivacyGuard
  -  Use kmemdup rather than duplicating its implementation
 
 tools/power/x86/intel-speed-select:
  -  Display core count for bucket
  -  Fix memory leak
  -  Output success/failed for command output
  -  Output human readable CPU list
  -  Change turbo ratio output to maximum turbo frequency
  -  Switch output to MHz
  -  Simplify output for turbo-freq and base-freq
  -  Fix cpu-count output
  -  Fix help option typo
  -  Fix package typo
  -  Fix a read overflow in isst_set_tdp_level_msr()
 
 touchscreen_dmi:
  -  Add info for the Trekstor Primebook C11B 2-in-1
  -  Add info for the Irbis TW90 tablet
  -  Add info for the Chuwi Surbook Mini tablet
 
 wmi:
  -  Remove acpi_has_method() call
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Merge tag 'platform-drivers-x86-v5.4-1' of git://git.infradead.org/linux-platform-drivers-x86

Pull x86 platform-drivers updates from Andy Shevchenko:

 - ASUS WMI driver got a couple of updates, i.e. support of FAN is fixed
   for recent products and the charge threshold support has been added

 - Two uknown key events for Dell laptops are being ignored now to avoid
   spamming users with harmless messages

 - HP ZBook 17 G5 and ASUS Zenbook UX430UNR got accelerometer support.

 - Intel CherryTrail platforms had a regression with wake up. Now it's
   fixed

 - Intel PMC driver got fixed in order to work nicely in Xen
   environment

 - Intel Speed Select driver provides bucket vs core count relationship.
   Besides that the tools has been updated for better output

 - The PrivacyGuard is enabled on Lenovo ThinkPad laptops

 - Three tablets - Trekstor Primebook C11B 2-in-1, Irbis TW90 and Chuwi
   Surbook Mini - got touchscreen support

* tag 'platform-drivers-x86-v5.4-1' of git://git.infradead.org/linux-platform-drivers-x86: (53 commits)
  MAINTAINERS: Switch PDx86 subsystem status to Odd Fixes
  platform/x86: asus-wmi: Refactor charge threshold to use the battery hooking API
  platform/x86: asus-wmi: Rename CHARGE_THRESHOLD to RSOC
  platform/x86: asus-wmi: Reorder ASUS_WMI_CHARGE_THRESHOLD
  tools/power/x86/intel-speed-select: Display core count for bucket
  platform/x86: ISST: Allow additional TRL MSRs
  tools/power/x86/intel-speed-select: Fix memory leak
  tools/power/x86/intel-speed-select: Output success/failed for command output
  tools/power/x86/intel-speed-select: Output human readable CPU list
  tools/power/x86/intel-speed-select: Change turbo ratio output to maximum turbo frequency
  tools/power/x86/intel-speed-select: Switch output to MHz
  tools/power/x86/intel-speed-select: Simplify output for turbo-freq and base-freq
  tools/power/x86/intel-speed-select: Fix cpu-count output
  tools/power/x86/intel-speed-select: Fix help option typo
  tools/power/x86/intel-speed-select: Fix package typo
  tools/power/x86/intel-speed-select: Fix a read overflow in isst_set_tdp_level_msr()
  platform/x86: intel_int0002_vgpio: Use device_init_wakeup
  platform/x86: intel_int0002_vgpio: Fix wakeups not working on Cherry Trail
  platform/x86: compal-laptop: Initialize "value" in ec_read_u8()
  platform/x86: touchscreen_dmi: Add info for the Trekstor Primebook C11B 2-in-1
  ...
 2019-09-16 19:59:10 -07:00
Linus Torvalds
7e67a85999 Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull scheduler updates from Ingo Molnar:

 - MAINTAINERS: Add Mark Rutland as perf submaintainer, Juri Lelli and
   Vincent Guittot as scheduler submaintainers. Add Dietmar Eggemann,
   Steven Rostedt, Ben Segall and Mel Gorman as scheduler reviewers.

   As perf and the scheduler is getting bigger and more complex,
   document the status quo of current responsibilities and interests,
   and spread the review pain^H^H^H^H fun via an increase in the Cc:
   linecount generated by scripts/get_maintainer.pl. :-)

 - Add another series of patches that brings the -rt (PREEMPT_RT) tree
   closer to mainline: split the monolithic CONFIG_PREEMPT dependencies
   into a new CONFIG_PREEMPTION category that will allow the eventual
   introduction of CONFIG_PREEMPT_RT. Still a few more hundred patches
   to go though.

 - Extend the CPU cgroup controller with uclamp.min and uclamp.max to
   allow the finer shaping of CPU bandwidth usage.

 - Micro-optimize energy-aware wake-ups from O(CPUS^2) to O(CPUS).

 - Improve the behavior of high CPU count, high thread count
   applications running under cpu.cfs_quota_us constraints.

 - Improve balancing with SCHED_IDLE (SCHED_BATCH) tasks present.

 - Improve CPU isolation housekeeping CPU allocation NUMA locality.

 - Fix deadline scheduler bandwidth calculations and logic when cpusets
   rebuilds the topology, or when it gets deadline-throttled while it's
   being offlined.

 - Convert the cpuset_mutex to percpu_rwsem, to allow it to be used from
   setscheduler() system calls without creating global serialization.
   Add new synchronization between cpuset topology-changing events and
   the deadline acceptance tests in setscheduler(), which were broken
   before.

 - Rework the active_mm state machine to be less confusing and more
   optimal.

 - Rework (simplify) the pick_next_task() slowpath.

 - Improve load-balancing on AMD EPYC systems.

 - ... and misc cleanups, smaller fixes and improvements - please see
   the Git log for more details.

* 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (53 commits)
  sched/psi: Correct overly pessimistic size calculation
  sched/fair: Speed-up energy-aware wake-ups
  sched/uclamp: Always use 'enum uclamp_id' for clamp_id values
  sched/uclamp: Update CPU's refcount on TG's clamp changes
  sched/uclamp: Use TG's clamps to restrict TASK's clamps
  sched/uclamp: Propagate system defaults to the root group
  sched/uclamp: Propagate parent clamps
  sched/uclamp: Extend CPU's cgroup controller
  sched/topology: Improve load balancing on AMD EPYC systems
  arch, ia64: Make NUMA select SMP
  sched, perf: MAINTAINERS update, add submaintainers and reviewers
  sched/fair: Use rq_lock/unlock in online_fair_sched_group
  cpufreq: schedutil: fix equation in comment
  sched: Rework pick_next_task() slow-path
  sched: Allow put_prev_task() to drop rq->lock
  sched/fair: Expose newidle_balance()
  sched: Add task_struct pointer to sched_class::set_curr_task
  sched: Rework CPU hotplug task selection
  sched/{rt,deadline}: Fix set_next_task vs pick_next_task
  sched: Fix kerneldoc comment for ia64_set_curr_task
  ...
 2019-09-16 17:25:49 -07:00
Linus Torvalds
cc9b499a1f Merge branch 'efi-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull EFI updates from Ingo Molnar:

 - refactor the EFI config table handling across architectures

 - add support for the Dell EMC OEM config table

 - include AER diagnostic output to CPER handling of fatal PCIe errors

* 'efi-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  efi: cper: print AER info of PCIe fatal error
  efi: Export Runtime Configuration Interface table to sysfs
  efi: ia64: move SAL systab handling out of generic EFI code
  efi/x86: move UV_SYSTAB handling into arch/x86
  efi: x86: move efi_is_table_address() into arch/x86
 2019-09-16 16:47:38 -07:00
Linus Torvalds
94d18ee934 Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull RCU updates from Ingo Molnar:
 "This cycle's RCU changes were:

   - A few more RCU flavor consolidation cleanups.

   - Updates to RCU's list-traversal macros improving lockdep usability.

   - Forward-progress improvements for no-CBs CPUs: Avoid ignoring
     incoming callbacks during grace-period waits.

   - Forward-progress improvements for no-CBs CPUs: Use ->cblist
     structure to take advantage of others' grace periods.

   - Also added a small commit that avoids needlessly inflicting
     scheduler-clock ticks on callback-offloaded CPUs.

   - Forward-progress improvements for no-CBs CPUs: Reduce contention on
     ->nocb_lock guarding ->cblist.

   - Forward-progress improvements for no-CBs CPUs: Add ->nocb_bypass
     list to further reduce contention on ->nocb_lock guarding ->cblist.

   - Miscellaneous fixes.

   - Torture-test updates.

   - minor LKMM updates"

* 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (86 commits)
  MAINTAINERS: Update from paulmck@linux.ibm.com to paulmck@kernel.org
  rcu: Don't include <linux/ktime.h> in rcutiny.h
  rcu: Allow rcu_do_batch() to dynamically adjust batch sizes
  rcu/nocb: Don't wake no-CBs GP kthread if timer posted under overload
  rcu/nocb: Reduce __call_rcu_nocb_wake() leaf rcu_node ->lock contention
  rcu/nocb: Reduce nocb_cb_wait() leaf rcu_node ->lock contention
  rcu/nocb: Advance CBs after merge in rcutree_migrate_callbacks()
  rcu/nocb: Avoid synchronous wakeup in __call_rcu_nocb_wake()
  rcu/nocb: Print no-CBs diagnostics when rcutorture writer unduly delayed
  rcu/nocb: EXP Check use and usefulness of ->nocb_lock_contended
  rcu/nocb: Add bypass callback queueing
  rcu/nocb: Atomic ->len field in rcu_segcblist structure
  rcu/nocb: Unconditionally advance and wake for excessive CBs
  rcu/nocb: Reduce ->nocb_lock contention with separate ->nocb_gp_lock
  rcu/nocb: Reduce contention at no-CBs invocation-done time
  rcu/nocb: Reduce contention at no-CBs registry-time CB advancement
  rcu/nocb: Round down for number of no-CBs grace-period kthreads
  rcu/nocb: Avoid ->nocb_lock capture by corresponding CPU
  rcu/nocb: Avoid needless wakeups of no-CBs grace-period kthread
  rcu/nocb: Make __call_rcu_nocb_wake() safe for many callbacks
  ...
 2019-09-16 16:28:19 -07:00
Linus Torvalds
cef7298262 ARM: DT updates for v5.4 
This is another huge branch with close to 450 changessets related to
 devicetree files, roughly half of this for 32-bit and 64-bit respectively.
 There are lots of cleanups and additional hardware support for platforms
 we already support based on SoCs from Renesas, ST-Microelectronics,
 Intel/Altera, Rockchips, Allwinner, Broadcom and other manufacturers.
 
 A total of 6 new SoCs and 37 new boards gets added this time, one more
 SoC will come in a follow-up branch. Most of the new boards are for
 64-bit ARM SoCs, the others are typically for the 32-bit Cortex-A7.
 
 Going more into details for SoC platforms with new hardware support:
 
 The Snapdragon 855 (SM8150) is Qualcomm's current high-end phone platform,
 usually paired with an external 5G modem. So far we only support the
 Qualcomm SM8150 MTP reference platform, but no actual products.
 
 For the slightly older Qualcomm platforms, support for several interesting
 products is getting added: Three laptops based on Snapdragon 835/MSM8998
 (Asus NovaGo, HP Envy X2 and Lenovo Miix 630), one laptop based on
 Snapdragon 850/sdm850 (Lenovo Yoga C630) and several phones based on
 the older Snapdragon 410/MSM8916 (Samsung A3 and A5, Longcheer L8150
 aka Android One 2nd gen "seed" aka Wileyfox Swift).
 
 Mediatek MT7629 is a new wireless network router chip, similar to
 the older MT7623. It gets added together with the reference board
 implementation.
 
 Allwinner V3 is a repackaged version of the existing low-end V3s chip,
 and is used in the tiny Lichee Pi Zero plus, also added here.  There is
 also a new TV set-top box based on Allwinner H6, the Tanix TX6, and the
 eMMC variant of the Olimex A64-Olinuxino development board.
 
 NXP i.MX8M Nano is a new member of the ever-expanding i.MX SoC family,
 similar to the i.MX8M Mini. As usual, there is a large number of new
 boards for i.MX SoCs: Einfochips i.MX8QXP AI_ML, SolidRun Hummingboard
 Pulse baseboard and System-on-Module, Boundary Devices i.MX8MQ Nitrogen8M,
 and TechNexion PICO-PI-IMX8M-DEV for the 64-bit i.MX8 line. For 32-bit,
 we get the Kontron i.MX6UL N6310 SoM with two baseboards, the PHYTEC
 phyBOARD-Segin SoM with three baseboards, and the Zodiac Inflight
 Innovations i.MX7 RMU2 board.
 
 In a different NXP product line, the Layerscape LS1046A "Freeway"
 reference board gets added.
 
 Amlogic SM1 (S905X3) and G12B (S922X, A311D) are updated chips from their
 set-top-box line and smart speaker with newer CPU and GPU cores compared
 to their predecessors. Both are now also supported by the Khadas VIM3
 development board series, and the dts files for that get reorganized a
 bit to better deal with all variants.  Another board based on SM1 that
 gets added is the SEI Robotics SEI610.
 
 There are a handful of new x86 and Power9 server boards using Aspeed BMC
 chips that are gaining support for running Linux on the BMC through the
 OpenBMC project: Facebook Minipack/Wedge100/Wedge40, Lenovo Hr855xg2,
 and Mihawk. Notably these are still new machines using SoCs based on
 the ARM9 and ARM11 CPU cores, as support for the new Cortex-A7 based
 AST2600 is still ramping up.
 
 There are three new end-user products using 32-bit Rockchips SoCs:
 Mecer Xtreme Mini S6 is an Android "mini PC" box based on the low-end
 RK3229 chip, while the two AOpen products Chromebox Mini (Fievel) and
 Chromebase Mini (Tiger) run ChromeOS and are meant for commercial settings
 (digital signage, PoS, ...).
 
 One more single-board computer based on the popular 64-bit RK3399 is
 added: the Leez RK3399 P710.
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Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM DT updates from Arnd Bergmann:
 "This is another huge branch with close to 450 changessets related to
  devicetree files, roughly half of this for 32-bit and 64-bit
  respectively. There are lots of cleanups and additional hardware
  support for platforms we already support based on SoCs from Renesas,
  ST-Microelectronics, Intel/Altera, Rockchips, Allwinner, Broadcom and
  other manufacturers.

  A total of 6 new SoCs and 37 new boards gets added this time, one more
  SoC will come in a follow-up branch. Most of the new boards are for
  64-bit ARM SoCs, the others are typically for the 32-bit Cortex-A7.

  Going more into details for SoC platforms with new hardware support:

   - The Snapdragon 855 (SM8150) is Qualcomm's current high-end phone
     platform, usually paired with an external 5G modem. So far we only
     support the Qualcomm SM8150 MTP reference platform, but no actual
     products.

   - For the slightly older Qualcomm platforms, support for several
     interesting products is getting added: Three laptops based on
     Snapdragon 835/MSM8998 (Asus NovaGo, HP Envy X2 and Lenovo Miix
     630), one laptop based on Snapdragon 850/sdm850 (Lenovo Yoga C630)
     and several phones based on the older Snapdragon 410/MSM8916
     (Samsung A3 and A5, Longcheer L8150 aka Android One 2nd gen "seed"
     aka Wileyfox Swift).

   - Mediatek MT7629 is a new wireless network router chip, similar to
     the older MT7623. It gets added together with the reference board
     implementation.

   - Allwinner V3 is a repackaged version of the existing low-end V3s
     chip, and is used in the tiny Lichee Pi Zero plus, also added here.
     There is also a new TV set-top box based on Allwinner H6, the Tanix
     TX6, and the eMMC variant of the Olimex A64-Olinuxino development
     board.

   - NXP i.MX8M Nano is a new member of the ever-expanding i.MX SoC
     family, similar to the i.MX8M Mini. As usual, there is a large
     number of new boards for i.MX SoCs: Einfochips i.MX8QXP AI_ML,
     SolidRun Hummingboard Pulse baseboard and System-on-Module,
     Boundary Devices i.MX8MQ Nitrogen8M, and TechNexion
     PICO-PI-IMX8M-DEV for the 64-bit i.MX8 line. For 32-bit, we get the
     Kontron i.MX6UL N6310 SoM with two baseboards, the PHYTEC
     phyBOARD-Segin SoM with three baseboards, and the Zodiac Inflight
     Innovations i.MX7 RMU2 board.

   - In a different NXP product line, the Layerscape LS1046A "Freeway"
     reference board gets added.

   - Amlogic SM1 (S905X3) and G12B (S922X, A311D) are updated chips from
     their set-top-box line and smart speaker with newer CPU and GPU
     cores compared to their predecessors. Both are now also supported
     by the Khadas VIM3 development board series, and the dts files for
     that get reorganized a bit to better deal with all variants.
     Another board based on SM1 that gets added is the SEI Robotics
     SEI610.

   - There are a handful of new x86 and Power9 server boards using
     Aspeed BMC chips that are gaining support for running Linux on the
     BMC through the OpenBMC project: Facebook
     Minipack/Wedge100/Wedge40, Lenovo Hr855xg2, and Mihawk. Notably
     these are still new machines using SoCs based on the ARM9 and ARM11
     CPU cores, as support for the new Cortex-A7 based AST2600 is still
     ramping up.

   - There are three new end-user products using 32-bit Rockchips SoCs:
     Mecer Xtreme Mini S6 is an Android "mini PC" box based on the
     low-end RK3229 chip, while the two AOpen products Chromebox Mini
     (Fievel) and Chromebase Mini (Tiger) run ChromeOS and are meant for
     commercial settings(digital signage, PoS, ...).

   - One more single-board computer based on the popular 64-bit RK3399
     is added: the Leez RK3399 P710"

* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (467 commits)
  arm64: dts: qcom: Add Lenovo Yoga C630
  ARM: dts: aspeed-g5: Fixe gpio-ranges upper limit
  ARM; dts: aspeed: mihawk: File should not be executable
  ARM: dts: aspeed: swift: Change power supplies to version 2
  ARM: dts: aspeed: vesnin: Add secondary SPI flash chip
  ARM: dts: aspeed: vesnin: Add wdt2 with alt-boot option
  ARM: dts: aspeed-g4: Add all flash chips
  ARM: dts: exynos: Enable GPU/Mali T604 on Arndale board
  ARM: dts: exynos: Enable GPU/Mali T604 on Chromebook Snow
  ARM: dts: exynos: Add GPU/Mali T604 node to Exynos5250
  ARM: dts: exynos: Fix min/max buck4 for GPU on Arndale board
  ARM: dts: exynos: Mark LDO10 as always-on on Peach Pit/Pi Chromebooks
  ARM: dts: exynos: Remove not accurate secondary ADC compatible
  arm64: dts: rockchip: limit clock rate of MMC controllers for RK3328
  arm64: dts: meson-sm1-sei610: add stdout-path property back
  arm64: dts: meson-sm1-sei610: enable DVFS
  arm64: dts: khadas-vim3: add support for the SM1 based VIM3L
  dt-bindings: arm: amlogic: add Amlogic SM1 based Khadas VIM3L bindings
  arm64: dts: khadas-vim3: move common nodes into meson-khadas-vim3.dtsi
  arm64: dts: meson: g12a: add reset to tdm formatters
  ...
 2019-09-16 15:56:22 -07:00
Linus Torvalds
399eb9b6cb ARM: SoC driver updates for v5.4 
The branch contains driver changes that are tightly
 connected to SoC specific code. Aside from smaller
 cleanups and bug fixes, here is a list of the notable
 changes.
 
 New device drivers:
 
 - The Turris Mox router has a new "moxtet" bus driver
   for its on-board pluggable extension bus. The
   same platform also gains a firmware driver.
 
 - The Samsung Exynos family gains a new Chipid driver
   exporting using the soc device sysfs interface
 
 - A similar socinfo driver for Qualcomm Snapdragon
   chips.
 
 - A firmware driver for the NXP i.MX DSP IPC protocol
   using shared memory and a mailbox
 
 Other changes:
 
 - The i.MX reset controller driver now supports the
   NXP i.MX8MM chip
 
 - Amlogic SoC specific drivers gain support for
   the S905X3 and A311D chips
 
 - A rework of the TI Davinci framebuffer driver to
   allow important cleanups in the platform code
 
 - A couple of device drivers for removed ARM SoC
   platforms are removed. Most of the removals were
   picked up by other maintainers, this contains
   whatever was left.
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC driver updates from Arnd Bergmann:
 "This contains driver changes that are tightly connected to SoC
  specific code. Aside from smaller cleanups and bug fixes, here is a
  list of the notable changes.

  New device drivers:

   - The Turris Mox router has a new "moxtet" bus driver for its
     on-board pluggable extension bus. The same platform also gains a
     firmware driver.

   - The Samsung Exynos family gains a new Chipid driver exporting using
     the soc device sysfs interface

   - A similar socinfo driver for Qualcomm Snapdragon chips.

   - A firmware driver for the NXP i.MX DSP IPC protocol using shared
     memory and a mailbox

  Other changes:

   - The i.MX reset controller driver now supports the NXP i.MX8MM chip

   - Amlogic SoC specific drivers gain support for the S905X3 and A311D
     chips

   - A rework of the TI Davinci framebuffer driver to allow important
     cleanups in the platform code

   - A couple of device drivers for removed ARM SoC platforms are
     removed. Most of the removals were picked up by other maintainers,
     this contains whatever was left"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (123 commits)
  bus: uniphier-system-bus: use devm_platform_ioremap_resource()
  soc: ti: ti_sci_pm_domains: Add support for exclusive and shared access
  dt-bindings: ti_sci_pm_domains: Add support for exclusive and shared access
  firmware: ti_sci: Allow for device shared and exclusive requests
  bus: imx-weim: remove incorrect __init annotations
  fbdev: remove w90x900/nuc900 platform drivers
  spi: remove w90x900 driver
  net: remove w90p910-ether driver
  net: remove ks8695 driver
  firmware: turris-mox-rwtm: Add sysfs documentation
  firmware: Add Turris Mox rWTM firmware driver
  dt-bindings: firmware: Document cznic,turris-mox-rwtm binding
  bus: moxtet: fix unsigned comparison to less than zero
  bus: moxtet: remove set but not used variable 'dummy'
  ARM: scoop: Use the right include
  dt-bindings: power: add Amlogic Everything-Else power domains bindings
  soc: amlogic: Add support for Everything-Else power domains controller
  fbdev: da8xx: use resource management for dma
  fbdev: da8xx-fb: drop a redundant if
  fbdev: da8xx-fb: use devm_platform_ioremap_resource()
  ...
 2019-09-16 15:52:38 -07:00
Linus Torvalds
2b97c39514 ARM: SoC platform updates for v5.4 
The main change this time around is a cleanup of some of the oldest
 platforms based on the XScale and ARM9 CPU cores, which are between 10
 and 20 years old.
 
 The Kendin/Micrel/Microchip KS8695, Winbond/Nuvoton W90x900 and Intel
 IOP33x/IOP13xx platforms are removed after we determined that nobody is
 using them any more.
 
 The TI Davinci and NXP LPC32xx platforms on the other hand are still in
 active use and are converted to the ARCH_MULTIPLATFORM build, meaning
 that we can compile a kernel that works on these along with most other
 ARMv5 platforms. Changes toward that goal are also merged for IOP32x,
 but additional work is needed to complete this. Patches for the
 remaining ARMv5 platforms have started but need more work and some
 testing.
 
 Support for the new ASpeed AST2600 gets added, this is based on the
 Cortex-A7 ARMv7 core, and is a newer version of the existing ARMv5 and
 ARMv6 chips in the same family.
 
 Other changes include a cleanup of the ST-Ericsson ux500 platform
 and the move of the TI Davinci platform to a new clocksource driver.
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC platform updates from Arnd Bergmann:
 "The main change this time around is a cleanup of some of the oldest
  platforms based on the XScale and ARM9 CPU cores, which are between 10
  and 20 years old.

  The Kendin/Micrel/Microchip KS8695, Winbond/Nuvoton W90x900 and Intel
  IOP33x/IOP13xx platforms are removed after we determined that nobody
  is using them any more.

  The TI Davinci and NXP LPC32xx platforms on the other hand are still
  in active use and are converted to the ARCH_MULTIPLATFORM build,
  meaning that we can compile a kernel that works on these along with
  most other ARMv5 platforms. Changes toward that goal are also merged
  for IOP32x, but additional work is needed to complete this. Patches
  for the remaining ARMv5 platforms have started but need more work and
  some testing.

  Support for the new ASpeed AST2600 gets added, this is based on the
  Cortex-A7 ARMv7 core, and is a newer version of the existing ARMv5 and
  ARMv6 chips in the same family.

  Other changes include a cleanup of the ST-Ericsson ux500 platform and
  the move of the TI Davinci platform to a new clocksource driver"

[ The changes had marked INTEL_IOP_ADMA and USB_LPC32XX as being
  buildable on other platforms through COMPILE_TEST, but that causes new
  warnings that I most definitely do not want to see during the merge
  window as that could hide other issues.

  So the COMPILE_TEST option got disabled for them again   - Linus ]

* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (61 commits)
  ARM: multi_v5_defconfig: make DaVinci part of the ARM v5 multiplatform build
  ARM: davinci: support multiplatform build for ARM v5
  arm64: exynos: Enable exynos-chipid driver
  ARM: OMAP2+: Delete an unnecessary kfree() call in omap_hsmmc_pdata_init()
  ARM: OMAP2+: move platform-specific asm-offset.h to arch/arm/mach-omap2
  ARM: davinci: dm646x: Fix a typo in the comment
  ARM: davinci: dm646x: switch to using the clocksource driver
  ARM: davinci: dm644x: switch to using the clocksource driver
  ARM: aspeed: Enable SMP boot
  ARM: aspeed: Add ASPEED AST2600 architecture
  ARM: aspeed: Select timer in each SoC
  dt-bindings: arm: cpus: Add ASPEED SMP
  ARM: imx: stop adjusting ar8031 phy tx delay
  mailmap: map old company name to new one @microchip.com
  MAINTAINERS: at91: remove the TC entry
  MAINTAINERS: at91: Collect all pinctrl/gpio drivers in same entry
  ARM: at91: move platform-specific asm-offset.h to arch/arm/mach-at91
  MAINTAINERS: Extend patterns for Samsung SoC, Security Subsystem and clock drivers
  ARM: s3c64xx: squash samsung_usb_phy.h into setup-usb-phy.c
  ARM: debug-ll: Add support for r7s9210
  ...
 2019-09-16 15:48:14 -07:00
Linus Torvalds
d0a16fe934 Merge branch 'parisc-5.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux 
Pull parisc updates from Helge Deller:

 - Make the powerpc implementation to read elf files available as a
   public kexec interface so it can be re-used on other architectures
   (Sven)

 - Implement kexec on parisc (Sven)

 - Add kprobes on ftrace on parisc (Sven)

 - Fix kernel crash with HSC-PCI cards based on card-mode Dino

 - Add assembly implementations for memset, strlen, strcpy, strncpy and
   strcat

 - Some cleanups, documentation updates, warning fixes, ...

* 'parisc-5.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: (25 commits)
  parisc: Have git ignore generated real2.S and firmware.c
  parisc: Disable HP HSC-PCI Cards to prevent kernel crash
  parisc: add support for kexec_file_load() syscall
  parisc: wire up kexec_file_load syscall
  parisc: add kexec syscall support
  parisc: add __pdc_cpu_rendezvous()
  kprobes/parisc: remove arch_kprobe_on_func_entry()
  kexec_elf: support 32 bit ELF files
  kexec_elf: remove unused variable in kexec_elf_load()
  kexec_elf: remove Elf_Rel macro
  kexec_elf: remove PURGATORY_STACK_SIZE
  kexec_elf: remove parsing of section headers
  kexec_elf: change order of elf_*_to_cpu() functions
  kexec: add KEXEC_ELF
  parisc: Save some bytes in dino driver
  parisc: Drop comments which are already in pci.h
  parisc: Convert eisa_enumerator to use pr_cont()
  parisc: Avoid warning when loading hppb driver
  parisc: speed up flush_tlb_all_local with qemu
  parisc: Add ALTERNATIVE_CODE() and ALT_COND_RUN_ON_QEMU
  ...
 2019-09-16 15:38:31 -07:00
Linus Torvalds
76f0f227cf ia64 for v5.4 - big change here is removal of support for SGI Altix 
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Merge tag 'please-pull-ia64_for_5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux

Pull ia64 updates from Tony Luck:
 "The big change here is removal of support for SGI Altix"

* tag 'please-pull-ia64_for_5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux: (33 commits)
  genirq: remove the is_affinity_mask_valid hook
  ia64: remove CONFIG_SWIOTLB ifdefs
  ia64: remove support for machvecs
  ia64: move the screen_info setup to common code
  ia64: move the ROOT_DEV setup to common code
  ia64: rework iommu probing
  ia64: remove the unused sn_coherency_id symbol
  ia64: remove the SGI UV simulator support
  ia64: remove the zx1 swiotlb machvec
  ia64: remove CONFIG_ACPI ifdefs
  ia64: remove CONFIG_PCI ifdefs
  ia64: remove the hpsim platform
  ia64: remove now unused machvec indirections
  ia64: remove support for the SGI SN2 platform
  drivers: remove the SGI SN2 IOC4 base support
  drivers: remove the SGI SN2 IOC3 base support
  qla2xxx: remove SGI SN2 support
  qla1280: remove SGI SN2 support
  misc/sgi-xp: remove SGI SN2 support
  char/mspec: remove SGI SN2 support
  ...
 2019-09-16 15:32:01 -07:00
Linus Torvalds
e77fafe9af arm64 updates for 5.4: 
- 52-bit virtual addressing in the kernel
 
 - New ABI to allow tagged user pointers to be dereferenced by syscalls
 
 - Early RNG seeding by the bootloader
 
 - Improve robustness of SMP boot
 
 - Fix TLB invalidation in light of recent architectural clarifications
 
 - Support for i.MX8 DDR PMU
 
 - Remove direct LSE instruction patching in favour of static keys
 
 - Function error injection using kprobes
 
 - Support for the PPTT "thread" flag introduced by ACPI 6.3
 
 - Move PSCI idle code into proper cpuidle driver
 
 - Relaxation of implicit I/O memory barriers
 
 - Build with RELR relocations when toolchain supports them
 
 - Numerous cleanups and non-critical fixes
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 updates from Will Deacon:
 "Although there isn't tonnes of code in terms of line count, there are
  a fair few headline features which I've noted both in the tag and also
  in the merge commits when I pulled everything together.

  The part I'm most pleased with is that we had 35 contributors this
  time around, which feels like a big jump from the usual small group of
  core arm64 arch developers. Hopefully they all enjoyed it so much that
  they'll continue to contribute, but we'll see.

  It's probably worth highlighting that we've pulled in a branch from
  the risc-v folks which moves our CPU topology code out to where it can
  be shared with others.

  Summary:

   - 52-bit virtual addressing in the kernel

   - New ABI to allow tagged user pointers to be dereferenced by
     syscalls

   - Early RNG seeding by the bootloader

   - Improve robustness of SMP boot

   - Fix TLB invalidation in light of recent architectural
     clarifications

   - Support for i.MX8 DDR PMU

   - Remove direct LSE instruction patching in favour of static keys

   - Function error injection using kprobes

   - Support for the PPTT "thread" flag introduced by ACPI 6.3

   - Move PSCI idle code into proper cpuidle driver

   - Relaxation of implicit I/O memory barriers

   - Build with RELR relocations when toolchain supports them

   - Numerous cleanups and non-critical fixes"

* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (114 commits)
  arm64: remove __iounmap
  arm64: atomics: Use K constraint when toolchain appears to support it
  arm64: atomics: Undefine internal macros after use
  arm64: lse: Make ARM64_LSE_ATOMICS depend on JUMP_LABEL
  arm64: asm: Kill 'asm/atomic_arch.h'
  arm64: lse: Remove unused 'alt_lse' assembly macro
  arm64: atomics: Remove atomic_ll_sc compilation unit
  arm64: avoid using hard-coded registers for LSE atomics
  arm64: atomics: avoid out-of-line ll/sc atomics
  arm64: Use correct ll/sc atomic constraints
  jump_label: Don't warn on __exit jump entries
  docs/perf: Add documentation for the i.MX8 DDR PMU
  perf/imx_ddr: Add support for AXI ID filtering
  arm64: kpti: ensure patched kernel text is fetched from PoU
  arm64: fix fixmap copy for 16K pages and 48-bit VA
  perf/smmuv3: Validate groups for global filtering
  perf/smmuv3: Validate group size
  arm64: Relax Documentation/arm64/tagged-pointers.rst
  arm64: kvm: Replace hardcoded '1' with SYS_PAR_EL1_F
  arm64: mm: Ignore spurious translation faults taken from the kernel
  ...
 2019-09-16 14:31:40 -07:00
Linus Torvalds
52a5525214 IOMMU Updates for Linux v5.4: 
Including:
 
 	- Batched unmap support for the IOMMU-API
 
 	- Support for unlocked command queueing in the ARM-SMMU driver
 
 	- Rework the ATS support in the ARM-SMMU driver
 
 	- More refactoring in the ARM-SMMU driver to support hardware
 	  implemention specific quirks and errata
 
 	- Bounce buffering DMA-API implementatation in the Intel VT-d driver
 	  for untrusted devices (like Thunderbolt devices)
 
 	- Fixes for runtime PM support in the OMAP iommu driver
 
 	- MT8183 IOMMU support in the Mediatek IOMMU driver
 
 	- Rework of the way the IOMMU core sets the default domain type for
 	  groups. Changing the default domain type on x86 does not require two
 	  kernel parameters anymore.
 
 	- More smaller fixes and cleanups
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Merge tag 'iommu-updates-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull iommu updates from Joerg Roedel:

 - batched unmap support for the IOMMU-API

 - support for unlocked command queueing in the ARM-SMMU driver

 - rework the ATS support in the ARM-SMMU driver

 - more refactoring in the ARM-SMMU driver to support hardware
   implemention specific quirks and errata

 - bounce buffering DMA-API implementatation in the Intel VT-d driver
   for untrusted devices (like Thunderbolt devices)

 - fixes for runtime PM support in the OMAP iommu driver

 - MT8183 IOMMU support in the Mediatek IOMMU driver

 - rework of the way the IOMMU core sets the default domain type for
   groups. Changing the default domain type on x86 does not require two
   kernel parameters anymore.

 - more smaller fixes and cleanups

* tag 'iommu-updates-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (113 commits)
  iommu/vt-d: Declare Broadwell igfx dmar support snafu
  iommu/vt-d: Add Scalable Mode fault information
  iommu/vt-d: Use bounce buffer for untrusted devices
  iommu/vt-d: Add trace events for device dma map/unmap
  iommu/vt-d: Don't switch off swiotlb if bounce page is used
  iommu/vt-d: Check whether device requires bounce buffer
  swiotlb: Split size parameter to map/unmap APIs
  iommu/omap: Mark pm functions __maybe_unused
  iommu/ipmmu-vmsa: Disable cache snoop transactions on R-Car Gen3
  iommu/ipmmu-vmsa: Move IMTTBCR_SL0_TWOBIT_* to restore sort order
  iommu: Don't use sme_active() in generic code
  iommu/arm-smmu-v3: Fix build error without CONFIG_PCI_ATS
  iommu/qcom: Use struct_size() helper
  iommu: Remove wrong default domain comments
  iommu/dma: Fix for dereferencing before null checking
  iommu/mediatek: Clean up struct mtk_smi_iommu
  memory: mtk-smi: Get rid of need_larbid
  iommu/mediatek: Fix VLD_PA_RNG register backup when suspend
  memory: mtk-smi: Add bus_sel for mt8183
  memory: mtk-smi: Invoke pm runtime_callback to enable clocks
  ...
 2019-09-16 14:14:40 -07:00
Linus Torvalds
bbfe0d6b8b This is the bulk of changes in the GPIO subsystem for the 
v5.4 kernel cycle.
 
 Core changes:
 
 - Support hierarchical GPIO irqchips. We now have three
   consumers that can use this: Intel IXP4xx, ThunderX and
   Qualcomm SPMI GPIO (in the pinctrl subsystem). The support
   code has been long in the making and hashed out so it should
   be easily adaptable for all hierarchical irqchip parents.
   The code only gets compiled in if hierarchical irqchip
   is used at the topmost irq controller at least, as the
   hierarchical irqchip requires strict hierarchy all the
   way up in the system.
 
 - Determine the need for a "valid_mask" for GPIO lines on the
   gpio_chip and conversely for the "valid_mask" for the GPIO
   interrupt chip interrupt lines by looking for a
   .init_valid_mask() callback in the main chip or GPIO interrupt
   chip respectively. Allocate it with bitmap_alloc().
 
 - Isolate the device tree/open firmware GPIO description code
   out in its own file properly.
 
 - Isolate the ACPI GPIO description code out in its own file
   properly.
 
 - Drop a whole lot of #ifdef:s in the main includes: it does
   not hurt to keep the include items around, and we get
   quicker and clearer compile failures if the appropriate
   kernel symbols are not selected for drivers.
 
 New/deleted drivers:
 
 - New driver for Aspeed SGPIO.
 
 - The KS8695 driver is deleted as the platform gets deleted
   from arch/arm in this kernel cycle.
 
 - The Cirrus Logic Madera driver now supports CS47L92 and
   CS47L15.
 
 - The Freescale MPC8xxx now supports LS1028A and LS1088A.
 
 Driver improvements:
 
 - We pass the GPIO irqchip intialization by directly filling
   in the struct instead of using set-up functions (the new
   way) for Intel MID, Lynxpoint, Merrifield, XLP, HLWD, Aspeed,
   ZX, VF610, TQMX86, MT7621, Zynq and EP93xx.
 
 Out-of-band changes:
 
 - Fix a GPIO header inclusion in Unicore - no response from
   maintainer.
 
 - Drop FMC subsystem from MAINTAINERS - was deleted in the
   GPIO tree last cycle so let's mop up the shards.
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Merge tag 'gpio-v5.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull GPIO updates from Linus Walleij:
 "This is the bulk of changes in the GPIO subsystem for the v5.4 kernel
  cycle.

  Core changes:

   - Support hierarchical GPIO irqchips.

     We now have three consumers that can use this: Intel IXP4xx,
     ThunderX and Qualcomm SPMI GPIO (in the pinctrl subsystem).

     The support code has been long in the making and hashed out so it
     should be easily adaptable for all hierarchical irqchip parents.
     The code only gets compiled in if hierarchical irqchip is used at
     the topmost irq controller at least, as the hierarchical irqchip
     requires strict hierarchy all the way up in the system.

   - Determine the need for a "valid_mask" for GPIO lines on the
     gpio_chip and conversely for the "valid_mask" for the GPIO
     interrupt chip interrupt lines by looking for a .init_valid_mask()
     callback in the main chip or GPIO interrupt chip respectively.
     Allocate it with bitmap_alloc().

   - Isolate the device tree/open firmware GPIO description code out in
     its own file properly.

   - Isolate the ACPI GPIO description code out in its own file
     properly.

   - Drop a whole lot of #ifdef:s in the main includes: it does not hurt
     to keep the include items around, and we get quicker and clearer
     compile failures if the appropriate kernel symbols are not selected
     for drivers.

  New/deleted drivers:

   - New driver for Aspeed SGPIO.

   - The KS8695 driver is deleted as the platform gets deleted from
     arch/arm in this kernel cycle.

   - The Cirrus Logic Madera driver now supports CS47L92 and CS47L15.

   - The Freescale MPC8xxx now supports LS1028A and LS1088A.

  Driver improvements:

   - We pass the GPIO irqchip intialization by directly filling in the
     struct instead of using set-up functions (the new way) for Intel
     MID, Lynxpoint, Merrifield, XLP, HLWD, Aspeed, ZX, VF610, TQMX86,
     MT7621, Zynq and EP93xx.

  Out-of-band changes:

   - Fix a GPIO header inclusion in Unicore - no response from
     maintainer.

   - Drop FMC subsystem from MAINTAINERS - was deleted in the GPIO tree
     last cycle so let's mop up the shards"

* tag 'gpio-v5.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (82 commits)
  gpiolib: of: add a fallback for wlf,reset GPIO name
  gpio: htc-egpio: Remove unused exported htc_egpio_get_wakeup_irq()
  gpio: remove explicit comparison with 0
  gpio: creg-snps: use devm_platform_ioremap_resource() to simplify code
  gpio: devres: Switch to EXPORT_SYMBOL_GPL()
  gpio: of: Switch to EXPORT_SYMBOL_GPL()
  gpio: of: Make of_gpio_simple_xlate() private
  gpio: of: Make of_get_named_gpiod_flags() private
  gpio: aspeed: Add in ast2600 details to Aspeed driver
  gpio: aspeed: Use ngpio property from device tree if available
  gpio: aspeed: Setup irqchip dynamically
  gpio/aspeed: Fix incorrect number of banks
  gpio: aspeed: Update documentation with ast2600 controllers
  gpio: Initialize the irqchip valid_mask with a callback
  gpiolib: acpi: make acpi_can_fallback_to_crs() static
  gpio: Fix further merge errors
  gpio: Fix up merge collision in include file
  gpio: of: Normalize return code variable name
  gpio: gpiolib: Normalize return code variable name
  gpio: ep93xx: Pass irqchip when adding gpiochip
  ...
 2019-09-16 14:06:50 -07:00
Linus Torvalds
aa62325dc3 spi: Updates for v5.4 
The big theme for this release has been performance, we've had a series
 of unrelated overhauls of a few drivers all with a big peformance
 component.  Otherwise it's been relatively quiet, highlights include:
 
  - A big overhaul of the spi-fsl-dspi driver improving the code quality,
    performance and stability from Vladimir Oltean.
  - A big performance enhancement for the bc2835 (Raspberry Pi) driver
    for unidirectional transfers from Lukas Wunner.
  - Improved performance on small transfers for the uniphier driver from
    Keiji Hayashibara.
  - Lots of coccinelle generated cleanups from Yue Haibing.
  - New device support for Freescale ls2080a and Nuvoton NPCM FIU.
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Merge tag 'spi-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi updates from Mark Brown:
 "The big theme for this release has been performance, we've had a
  series of unrelated overhauls of a few drivers all with a big
  peformance component.

  Otherwise it's been relatively quiet, highlights include:

   - A big overhaul of the spi-fsl-dspi driver improving the code
     quality, performance and stability from Vladimir Oltean.

   - A big performance enhancement for the bc2835 (Raspberry Pi) driver
     for unidirectional transfers from Lukas Wunner.

   - Improved performance on small transfers for the uniphier driver
     from Keiji Hayashibara.

   - Lots of coccinelle generated cleanups from Yue Haibing.

   - New device support for Freescale ls2080a and Nuvoton NPCM FIU"

* tag 'spi-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (102 commits)
  spi: mediatek: support large PA
  spi: mediatek: add spi support for mt6765 IC
  dt-bindings: spi: update bindings for MT6765 SoC
  spi: bcm2835: Speed up RX-only DMA transfers by zero-filling TX FIFO
  spi: bcm2835: Speed up TX-only DMA transfers by clearing RX FIFO
  dmaengine: bcm2835: Avoid accessing memory when copying zeroes
  spi: bcm2835: Cache CS register value for ->prepare_message()
  dmaengine: bcm2835: Document struct bcm2835_dmadev
  spi: Guarantee cacheline alignment of driver-private data
  dmaengine: bcm2835: Allow reusable descriptors
  dmaengine: bcm2835: Allow cyclic transactions without interrupt
  spi: bcm2835: Drop dma_pending flag
  spi: bcm2835: Work around DONE bit erratum
  spi-gpio: Use PTR_ERR_OR_ZERO() in spi_gpio_request()
  spi: Use an abbreviated pointer to ctlr->cur_msg in __spi_pump_messages
  spi: npcm-fiu: remove set but not used variable 'retlen'
  spi: fsl-spi: use devm_platform_ioremap_resource() to simplify code
  spi: zynq-qspi: use devm_platform_ioremap_resource() to simplify code
  spi: zynqmp: use devm_platform_ioremap_resource() to simplify code
  spi: xlp: use devm_platform_ioremap_resource() to simplify code
  ...
 2019-09-16 14:02:43 -07:00
Linus Torvalds
c4d11ccb2b regulator: Updates for v5.4 
A small update for the regualtor API for this cycle, some small fixes
 and a bunch of new devices but none of them very big.  The most stand
 out thing is the regulator-fixed-clock driver which is for regulators
 where the enable control is done by using a clock instead of a GPIO or
 register write, a novel hardware design that had not previously come up.
 
  - Added a keyword pattern for regulator_get_optional() since usage of
    that API generally needs extra review.
  - Operating mode and suspend state support for act8865.
  - New device support for Active Semiconductor ACT8600 chargers,
    Mediatek MT6358, Qualcomm SM8150, regulator-fixed-clock, and
    Synoptics SY20276, SY20278 and SY8824E.
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Merge tag 'regulator-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator updates from Mark Brown:
 "A small update for the regualtor API for this cycle, some small fixes
  and a bunch of new devices but none of them very big.

  The most stand out thing is the regulator-fixed-clock driver which is
  for regulators where the enable control is done by using a clock
  instead of a GPIO or register write, a novel hardware design that had
  not previously come up.

  Summary:

   - Added a keyword pattern for regulator_get_optional() since usage of
     that API generally needs extra review.

   - Operating mode and suspend state support for act8865.

   - New device support for Active Semiconductor ACT8600 chargers,
     Mediatek MT6358, Qualcomm SM8150, regulator-fixed-clock, and
     Synoptics SY20276, SY20278 and SY8824E"

* tag 'regulator-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (52 commits)
  regulator: core: Fix error return for /sys access
  regulator: da9211: fix obtaining "enable" GPIO
  regulator: max77686: fix obtaining "maxim,ena" GPIO
  regulator: uniphier: Add Pro5 USB3 VBUS support
  dt-bindings: regulator: add regulator-fixed-clock binding
  regulator: fixed: add possibility to enable by clock
  regulator: s2mps11: Consistently use local variable
  regulator: lp87565: Simplify lp87565_buck_set_ramp_delay
  regulator: slg51000: use devm_gpiod_get_optional() in probe
  regulator: lp8788-ldo: make array en_mask static const, makes object smaller
  regulator: tps65132: Stop parsing DT when gpio is not found
  regulator: Defer init completion for a while after late_initcall
  regulator: add missing 'static inline' to a helper's stub
  regulator: provide regulator_bulk_set_supply_names()
  MAINTAINERS: Add keyword pattern on regulator_get_optional()
  regulator: sy8824x: add prefixes to BUCK_EN and MODE macros
  regulator: sy8824x: use c++style for the comment block near SPDX
  regulator: mt6358: Add BROKEN dependency while waiting for MFD to merge
  regulator: mt6358: Add support for MT6358 regulator
  regulator: Add document for MT6358 regulator
  ...
 2019-09-16 13:58:43 -07:00
Linus Torvalds
6729fb666a hwmon updates for v5.4 
New drivers and chip support
 - Add Inspur Power System power supply driver
 - Add Synaptics AS370 PVT sensor driver
 - Add support for SHTC3 to shtc1 driver
 - Add support for NCT6116 to nct6775 driver
 - Add support for AMD family 17h, model 70h CPUs to k10temp driver
 - Add support for PCT2075 to lm75 driver
 
 Removed drivers
 - Remove ads1015 driver (now supported in iio)
 
 Other changes
 - Convert drivers to use devm_i2c_new_dummy_device
 - Substantial structural improvements in lm75 driver
   Add support for writing sample interval for supported chips
 - Add support for PSU version 2 to ibm-cffps driver
 - Add support for power attribute to iio_hwmon bridge
 - Add support for additional fan, voltage and temperature attributes
   to nct7904 driver
 - Convert adt7475 driver to use hwmon_device_register_with_groups()
 - Convert k8temp driver to use hwmon_device_register_with_info()
 - Various other improvements and minor fixes
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Merge tag 'hwmon-for-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon updates from Guenter Roeck:
 "New drivers:
   - Inspur Power System power supply driver
   - Synaptics AS370 PVT sensor driver

  Chip support:
   - support SHTC3 in shtc1 driver
   - support NCT6116 in nct6775 driver
   - support AMD family 17h, model 70h CPUs in k10temp driver
   - support PCT2075 in lm75 driver

  Removed drivers:
   - ads1015 driver (now supported in iio)

  Other changes:
   - Convert drivers to use devm_i2c_new_dummy_device
   - Substantial structural improvements in lm75 driver adding support
     for writing sample interval for supported chips
   - Add support for PSU version 2 to ibm-cffps driver
   - Add support for power attribute to iio_hwmon bridge
   - Add support for additional fan, voltage and temperature attributes
     to nct7904 driver
   - Convert adt7475 driver to use hwmon_device_register_with_groups()
   - Convert k8temp driver to use hwmon_device_register_with_info()
   - Various other improvements and minor fixes"

* tag 'hwmon-for-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (48 commits)
  hwmon: submitting-patches: Add note on comment style
  hwmon: submitting-patches: Point to with_info API
  hwmon: (nct7904) Fix incorrect SMI status register setting of LTD temperature and fan.
  hwmon: (shtc1) add support for the SHTC3 sensor
  hwmon: (shtc1) fix shtc1 and shtw1 id mask
  hwmon: (lm75) Aproximate sample times to data-sheet values
  hwmon: (w83793d) convert to use devm_i2c_new_dummy_device
  hwmon: (w83792d) convert to use devm_i2c_new_dummy_device
  hwmon: (w83791d) convert to use devm_i2c_new_dummy_device
  hwmon: (as370-hwmon) fix devm_platform_ioremap_resource.cocci warnings
  hwmon: (lm75) Add support for writing sampling period on PCT2075
  hwmon: (lm75) Add support for writing conversion time for TMP112
  hwmon: (lm75) Move updating the sample interval to its own function
  hwmon: (lm75) Support configuring the sample time for various chips
  hwmon: (nct7904) Fix incorrect temperature limitation register setting of LTD.
  hwmon: (as370-hwmon) Add DT bindings for Synaptics AS370 PVT
  hwmon: Add Synaptics AS370 PVT sensor driver
  pmbus: (ibm-cffps) Add support for version 2 of the PSU
  dt-bindings: hwmon: Document ibm,cffps2 compatible string
  hwmon: (iio_hwmon) Enable power exporting from IIO
  ...
 2019-09-16 13:44:16 -07:00
Linus Torvalds
a7bd4bcf13 tpmdd updates for Linux v5.4 
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Merge tag 'tpmdd-next-20190902' of git://git.infradead.org/users/jjs/linux-tpmdd

Pull tpm updates from Jarkko Sakkinen:
 "A new driver for fTPM living inside ARM TEE was added this round.

  In addition to that, there are three bug fixes and one clean up"

* tag 'tpmdd-next-20190902' of git://git.infradead.org/users/jjs/linux-tpmdd:
  tpm/tpm_ftpm_tee: Document fTPM TEE driver
  tpm/tpm_ftpm_tee: A driver for firmware TPM running inside TEE
  tpm: Remove a deprecated comments about implicit sysfs locking
  tpm_tis_core: Set TPM_CHIP_FLAG_IRQ before probing for interrupts
  tpm_tis_core: Turn on the TPM before probing IRQ's
  MAINTAINERS: fix style in KEYS-TRUSTED entry
 2019-09-16 13:34:04 -07:00
Ingo Molnar
563c4f85f9 Merge branch 'sched/rt' into sched/core, to pick up -rt changes 
Pick up the first couple of patches working towards PREEMPT_RT.

Signed-off-by: Ingo Molnar <mingo@kernel.org>
 2019-09-16 14:05:04 +02:00
Mark Brown
b769c5ba8a
Merge branch 'spi-5.4' into spi-next 2019-09-15 10:32:06 +01:00
Mark Brown
262a2f3345
Merge branch 'spi-5.3' into spi-linus 2019-09-15 10:32:04 +01:00
Ben Hutchings
fe013f8bc1 Documentation: kbuild: Add document about reproducible builds 
In the Distribution Kernels track at Linux Plumbers Conference there
was some discussion around the difficulty of making kernel builds
reproducible.

This is a solved problem, but the solutions don't appear to be
documented in one place.  This document lists the issues I know about
and the settings needed to ensure reproducibility.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Acked-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2019-09-15 01:14:41 -06:00
Joe Perches
cbacb5ab0a docs: printk-formats: Stop encouraging use of unnecessary %h[xudi] and %hh[xudi] 
Standard integer promotion is already done and %hx and %hhx is useless
so do not encourage the use of %hh[xudi] or %h[xudi].

As Linus said in:
https://lore.kernel.org/lkml/CAHk-=wgoxnmsj8GEVFJSvTwdnWm8wVJthefNk2n6+4TC=20e0Q@mail.gmail.com/

It's a pointless warning, making for more complex code, and
making people remember esoteric printf format details that have no
reason for existing.

The "h" and "hh" things should never be used. The only reason for them
being used if if you have an "int", but you want to print it out as a
"char" (and honestly, that is a really bad reason, you'd be better off
just using a proper cast to make the code more obvious).

So if what you have a "char" (or unsigned char) you should always just
print it out as an "int", knowing that the compiler already did the
proper type conversion.

Signed-off-by: Joe Perches <joe@perches.com>
Reviewed-by: Louis Taylor <louis@kragniz.eu>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2019-09-14 01:57:43 -06:00
Palmer Dabbelt
82f12ab311 Documentation: Add "earlycon=sbi" to the admin guide 
This argument is supported on RISC-V systems and widely used, but was
not documented here.

Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2019-09-14 01:55:27 -06:00
Federico Vaga
19ad5f79f9 doc🔒 remove reference to clever use of read-write lock 
Remove the clever example about read-write lock because this type of
lock is not recommended anymore (according to the very same document).
So there is no reason to teach clever things that people should not do.

Signed-off-by: Federico Vaga <federico.vaga@vaga.pv.it>
Acked-by: Will Deacon <will@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2019-09-14 01:53:27 -06:00
Ian Abbott
d62e8055a5 devices.txt: improve entry for comedi (char major 98) 
Describe how the comedi minor device numbers are split across comedi
devices and comedi subdevices.

Replace the current, long dead URL with an official URL for the Comedi
project.

Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2019-09-14 01:51:46 -06:00
Paul Walmsley
474efecb65 riscv: modify the Image header to improve compatibility with the ARM64 header 
Part of the intention during the definition of the RISC-V kernel image
header was to lay the groundwork for a future merge with the ARM64
image header.  One error during my original review was not noticing
that the RISC-V header's "magic" field was at a different size and
position than the ARM64's "magic" field.  If the existing ARM64 Image
header parsing code were to attempt to parse an existing RISC-V kernel
image header format, it would see a magic number 0.  This is
undesirable, since it's our intention to align as closely as possible
with the ARM64 header format.  Another problem was that the original
"res3" field was not being initialized correctly to zero.

Address these issues by creating a 32-bit "magic2" field in the RISC-V
header which matches the ARM64 "magic" field.  RISC-V binaries will
store "RSC\x05" in this field.  The intention is that the use of the
existing 64-bit "magic" field in the RISC-V header will be deprecated
over time.  Increment the minor version number of the file format to
indicate this change, and update the documentation accordingly.  Fix
the assembler directives in head.S to ensure that reserved fields are
properly zero-initialized.

Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com>
Reported-by: Palmer Dabbelt <palmer@sifive.com>
Reviewed-by: Palmer Dabbelt <palmer@sifive.com>
Cc: Atish Patra <atish.patra@wdc.com>
Cc: Karsten Merker <merker@debian.org>
Link: https://lore.kernel.org/linux-riscv/194c2f10c9806720623430dbf0cc59a965e50448.camel@wdc.com/T/#u
Link: https://lore.kernel.org/linux-riscv/mhng-755b14c4-8f35-4079-a7ff-e421fd1b02bc@palmer-si-x1e/T/#t
 2019-09-13 19:03:52 -07:00
Guenter Roeck
4e19e72f45 hwmon: submitting-patches: Add note on comment style 
Ask for standard multi-line comments, and ask for consistent
comment style.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
 2019-09-13 05:43:06 -07:00
Guenter Roeck
9b0cffa6c4 hwmon: submitting-patches: Point to with_info API 
New driver should use devm_hwmon_device_register_with_info() or
hwmon_device_register_with_info() to register with the hwmon subsystem.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
 2019-09-13 05:06:45 -07:00
luhua.xu
7359d108d4
dt-bindings: spi: update bindings for MT6765 SoC 
Add a DT binding documentation for the MT6765 soc.

Signed-off-by: luhua.xu <luhua.xu@mediatek.com>
Link: https://lore.kernel.org/r/1568195731-3239-2-git-send-email-luhua.xu@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
 2019-09-13 10:40:08 +01:00
Arnd Bergmann
3dc8dcb02f Qualcomm ARM Based Driver Updates for v5.4 
* Add AOSS QMP support
 * Various fixups for Qualcomm SCM
 * Add socinfo driver
 * Add SoC serial number attribute and associated APIs
 * Add SM8150 and SC7180 support in Qualcomm SCM
 * Fixup max processor count in SMEM
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Merge tag 'qcom-drivers-for-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/drivers

Qualcomm ARM Based Driver Updates for v5.4

* Add AOSS QMP support
* Various fixups for Qualcomm SCM
* Add socinfo driver
* Add SoC serial number attribute and associated APIs
* Add SM8150 and SC7180 support in Qualcomm SCM
* Fixup max processor count in SMEM

* tag 'qcom-drivers-for-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
  soc: qcom: aoss: Add AOSS QMP support
  dt-bindings: soc: qcom: aoss: Add SM8150 and SC7180 support
  dt-bindings: firmware: scm: Add SM8150 and SC7180 support
  dt-bindings: firmware: scm: re-order compatible list
  soc: qcom: smem: Update max processor count
  soc: qcom: socinfo: Annotate switch cases with fall through
  soc: qcom: Extend AOSS QMP driver to support resources that are used to wake up the SoC.
  soc: qcom: socinfo: Expose image information
  soc: qcom: socinfo: Expose custom attributes
  soc: qcom: Add socinfo driver
  base: soc: Export soc_device_register/unregister APIs
  base: soc: Add serial_number attribute to soc
  firmware: qcom_scm: Cleanup code in qcom_scm_assign_mem()
  firmware: qcom_scm: Fix some typos in docs and printks
  firmware: qcom_scm: Use proper types for dma mappings
 2019-09-12 13:46:20 +02:00
André Almeida
04c56957eb docs: block: null_blk: enhance document style 
Use proper ReST syntax for chapters. Add more information to enhance
standardization in the file and to make the rendering more homogeneous.
Add a SPDX identifier. Mark single-queue mode as deprecated.

Signed-off-by: André Almeida <andrealmeid@collabora.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
 2019-09-11 16:04:22 -06:00
Mark Brown
c4ad85026d
Merge branch 'regulator-5.4' into regulator-next 2019-09-11 16:00:19 +01:00
Ramuthevar Vadivel Murugan
310da16ea9 dt-bindings: mmc: sdhci-of-arasan: Add new compatible for Intel LGM eMMC 
Add a new compatible to use the sdhc-arasan host controller driver
with the eMMC PHY on Intel's Lightning Mountain SoC.

Signed-off-by: Ramuthevar Vadivel Murugan <vadivel.muruganx.ramuthevar@linux.intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
 2019-09-11 15:58:39 +02:00
Andrew Jeffery
f47fdb855d dt-bindings: mmc: sdhci-of-aspeed: Update example ranges property 
The example node in the binding uses the AST2500 compatible string for
the SD controller with a 64kiB ranges property, but the SD controller is
allocated 128kiB of MMIO space according to the AST2500 datasheet. Fix
the example to correctly reflect the hardware in the AST2500, however it
should be noted that the MMIO region is reduced to 64kiB in the AST2600
where a second SD controller block has been introduced into the address
space.

Also add the IBM copyright header that I left out of the initial patch.

Suggested-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
 2019-09-11 15:58:39 +02:00
Andrew Jeffery
7a7e55f416 dt-bindings: mmc: sdhci-of-aspeed: Document Aspeed SD controller 
The ASPEED SD/SDIO/MMC controller exposes two slots implementing the
SDIO Host Specification v2.00, with 1 or 4 bit data buses, or an 8 bit
data bus if only a single slot is enabled.

Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
 2019-09-11 15:58:39 +02:00
Stefan Wahren
3aacc5bba7 dt-bindings: mmc: sdhci-iproc: Add brcm,bcm2711-emmc2 
Add a new compatible for the additional emmc2 controller
on BCM2711 and clearify usage.

Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Reviewed-by: Matthias Brugger <mbrugger@suse.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
 2019-09-11 15:58:39 +02:00
Maxime Ripard
f84cf82bae dt-bindings: mmc: sunxi: Add H5 compatibles 
The conversion to the YAML binding left out two compatibles. Add them.

Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
 2019-09-11 15:58:39 +02:00
Maxime Ripard
d9f43d113e dt-bindings: mmc: sunxi: reorder MMC compatibles 
The MMC compatibles in the bindings are not ordered as they should, so
let's make sure it's sorted.

Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
 2019-09-11 15:58:39 +02:00
Joerg Roedel
e95adb9add Merge branches 'arm/omap', 'arm/exynos', 'arm/smmu', 'arm/mediatek', 'arm/qcom', 'arm/renesas', 'x86/amd', 'x86/vt-d' and 'core' into next 2019-09-11 12:39:19 +02:00
Lu Baolu
e5e04d0519 iommu/vt-d: Check whether device requires bounce buffer 
This adds a helper to check whether a device needs to
use bounce buffer. It also provides a boot time option
to disable the bounce buffer. Users can use this to
prevent the iommu driver from using the bounce buffer
for performance gain.

Cc: Ashok Raj <ashok.raj@intel.com>
Cc: Jacob Pan <jacob.jun.pan@linux.intel.com>
Cc: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Tested-by: Xu Pengfei <pengfei.xu@intel.com>
Tested-by: Mika Westerberg <mika.westerberg@intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
 2019-09-11 12:34:29 +02:00
Rashmica Gupta
da04c425e9 gpio: aspeed: Update documentation with ast2600 controllers 
The ast2600 is a new generation of SoC from ASPEED. Similarly to the
ast2400 and ast2500, it has a GPIO controller for it's 3.3V GPIO pins.
Additionally, it has a GPIO controller for 36 1.8V GPIO pins.  We use
the ngpio property to differentiate between these controllers.

Signed-off-by: Rashmica Gupta <rashmica.g@gmail.com>
Link: https://lore.kernel.org/r/20190906062547.13264-1-rashmica.g@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
 2019-09-11 11:03:06 +01:00
Dan Robertson
ffd96868ac hwmon: (shtc1) add support for the SHTC3 sensor 
Add support for the Sensirion SHTC3 humidity and temperature sensor to
the shtc1 module.

Signed-off-by: Dan Robertson <dan@dlrobertson.com>
Link: https://lore.kernel.org/r/20190905014554.21658-2-dan@dlrobertson.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
 2019-09-10 11:42:56 -07:00
Kunihiko Hayashi
3ba5368dc4
regulator: uniphier: Add Pro5 USB3 VBUS support 
Pro5 SoC has same scheme of USB3 VBUS as Pro4, so the data for Pro5 is
equivalent to Pro4.

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Link: https://lore.kernel.org/r/1568080304-1572-1-git-send-email-hayashi.kunihiko@socionext.com
Signed-off-by: Mark Brown <broonie@kernel.org>
 2019-09-10 11:04:12 +01:00
Philippe Schenker
9c86d003d6
dt-bindings: regulator: add regulator-fixed-clock binding 
This adds the documentation to the compatible regulator-fixed-clock.
This binding is a special binding of regulator-fixed and adds the
ability to add a clock to regulator-fixed, so the regulator can be
enabled and disabled with that clock. If the special compatible
regulator-fixed-clock is used it is mandatory to supply a clock.

Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20190910062103.39641-4-philippe.schenker@toradex.com
Signed-off-by: Mark Brown <broonie@kernel.org>
 2019-09-10 11:04:03 +01:00
Alexander Schremmer
110ea1d833 platform/x86: thinkpad_acpi: Add ThinkPad PrivacyGuard 
This feature is found optionally in T480s, T490, T490s.

The feature is called lcdshadow and visible via
/proc/acpi/ibm/lcdshadow.

The ACPI methods \_SB.PCI0.LPCB.EC.HKEY.{GSSS,SSSS,TSSS,CSSS} are
available in these machines. They get, set, toggle or change the state
apparently.

The patch was tested on a 5.0 series kernel on a T480s.

Signed-off-by: Alexander Schremmer <alex@alexanderweb.de>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
 2019-09-07 21:16:09 +03:00