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Add the PMU bootloader generator and PMU LS ops that will enable proper
PMU operation if the PMU falcon is designated as managed.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Adapt secboot's behavior if a PMU firmware is present, in particular
the way LS falcons are reset. Without PMU firmware, secboot needs to be
performed again from scratch so all LS falcons are reset. With PMU
firmware, we can ask the PMU's ACR unit to reset a specific falcon
through a PMU message.
As we must preserve the old behavior to avoid breaking user-space, add a
few conditionals to the way falcons are reset.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Allow secboot to load a LS PMU firmware. LS PMU is one instance of
firmwares based on the message queue mechanism, which is also used for
other firmwares like SEC, so name its source file accordingly.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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NVIDIA-provided PMU firmware is controlled by a msgqueue. Add a member
to the PMU structure as well as the required cleanup code if this
feature is used.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Add support for the msgqueue firmware used to process PMU commands for
gm20b.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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A message queue firmware implements a specific protocol allowing the
host to send "commands" to a falcon, and the falcon to reply using
"messages". This patch implements the common part of this protocol and
defines the interface that the host can use.
Due to the way the firmware is developped internally at NVIDIA (where
kernel driver and firmware evolve in lockstep), firmwares taken at
different points in time can have frustratingly subtle differences that
must be taken into account. This code is architectured to make
implementing such differences as easy as possible.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Add the ability for LS firmwares to declare a post-run hook that is
invoked right after the HS firmware is executed. This allows them to
e.g. write some initialization data into the falcon's DMEM.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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As different firmare versions use different HS descriptor formats, we
need to abstract this part as well.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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This structure does not need to be shared anymore.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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This allows the bootloader descriptor generation code to not rely on
specialized ls_ucode_img structures, making it reusable in other
instances.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Offsets were not properly computed. This went unnoticed because we are
only using one app for now.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Using 32-bit integers would trim the WPR address if it is allocated above 4GB.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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A WPR region smaller than 256K will result in secure boot failure.
Adjust the minimal size.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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The WPR address parameter of the ls_write_wpr hook was defined as a u32,
which will very likely overflow on boards with more than 4GB VRAM.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Check at contruction time that we have support for all the LS firmwares
asked by the caller.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Remove a leftover that became obsolete with the falcon interface.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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All IMEM registers are duplicated per port.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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DMEM registers are replicated with a stride of 8 bytes.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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The falcon library may be used concurrently, especially after the
introduction of the msgqueue interface. Make it safe to use it that way.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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This is not used currently, but is added for the sake of completeness.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Some PMU implementations (in particular the ones managed by secure
boot) may not have a reset() hook. Make sure we don't crash in that
case.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Make nvkm_secboot_falcon_name publicly visible as other subdevs will
need to use it for debug messages.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Ideally we'd be able to keep these at a more obvious error level, as
they're a good indication of us doing something wrong.
However, NVIDIA's FECS/GPCCS firmware touches registers that trigger
priv ring faults, and we can't do anything to fix that ourselves due
to the need for them to be signed by NVIDIA.
This issue was reported a while back, but hasn't been fixed, so, for
now we will hide the messages to prevent spamming Optimus users with
messages whenever the NVIDIA GPU is powered off and on again.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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git://anongit.freedesktop.org/git/drm-misc into drm-next
Misc fixes for the 4.11 merge window.
- vmwgfx drm_control node compat patch
- rockchip&zte fix
- compat32 support for dma-buf ioctl (cc: stable ofc, since this is a
massive fumble. oops)
* tag 'drm-misc-next-fixes-2017-02-27' of git://anongit.freedesktop.org/git/drm-misc:
dma-buf: add support for compat ioctl
drm/vmwgfx: Work around drm removal of control nodes
drm/rockchip: cdn-dp: Fix error handling
drm/rockchip: add extcon dependency for DP
drm: zte: fix static checker warning on variable 'fmt'
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git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull another tracing update from Steven Rostedt:
"Commit 79c6f448c8b79c ("tracing: Fix hwlat kthread migration") fixed a
bug that was caused by a race condition in initializing the hwlat
thread. When fixing this code, I realized that it should have been
done differently. Instead of doing the rewrite and sending that to
stable, I just sent the above commit to fix the bug that should be
back ported.
This commit is on top of the quick fix commit to rewrite the code the
way it should have been written in the first place"
* tag 'trace-v4.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing: Clean up the hwlat binding code
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git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing updates from Steven Rostedt:
"This release has no new tracing features, just clean ups, minor fixes
and small optimizations"
* tag 'trace-v4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: (25 commits)
tracing: Remove outdated ring buffer comment
tracing/probes: Fix a warning message to show correct maximum length
tracing: Fix return value check in trace_benchmark_reg()
tracing: Use modern function declaration
jump_label: Reduce the size of struct static_key
tracing/probe: Show subsystem name in messages
tracing/hwlat: Update old comment about migration
timers: Make flags output in the timer_start tracepoint useful
tracing: Have traceprobe_probes_write() not access userspace unnecessarily
tracing: Have COMM event filter key be treated as a string
ftrace: Have set_graph_function handle multiple functions in one write
ftrace: Do not hold references of ftrace_graph_{notrace_}hash out of graph_lock
tracing: Reset parser->buffer to allow multiple "puts"
ftrace: Have set_graph_functions handle write with RDWR
ftrace: Reset fgd->hash in ftrace_graph_write()
ftrace: Replace (void *)1 with a meaningful macro name FTRACE_GRAPH_EMPTY
ftrace: Create a slight optimization on searching the ftrace_hash
tracing: Add ftrace_hash_key() helper function
ftrace: Convert graph filter to use hash tables
ftrace: Expose ftrace_hash_empty and ftrace_lookup_ip
...
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Add compat ioctl support to dma-buf. This lets one to use DMA_BUF_IOCTL_SYNC
ioctl from 32bit application on 64bit kernel. Data structures for both 32
and 64bit modes are same, so there is no need for additional translation
layer.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1487683261-2655-1-git-send-email-m.szyprowski@samsung.com
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vmware tools has a daemon that gets layout information from the GUI and
forwards it to DRM so that the modesetting code can set preferred connector
locations and modes. This daemon was using control nodes but since control
nodes were just removed, make it possible for the daemon to use render- or
primary nodes instead. This is a bit ugly but will allow drm to proceed with
removal of the mostly unused control-node code and allow vmware to proceed
with fixing up automatic layout settings for gnome-shell/wayland.
We bump minor to inform user-space about the api change.
Cc: <stable@vger.kernel.org>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170221104227.2854-1-thellstrom@vmware.com
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull watchdog updates from Guenter Roeck:
"Wim asked me to handle the watchdog pull request this time around.
Key changes:
- New drivers: Cortina Gemini, ZTE's zx2967 family, NIC7018
- Convert to use device managed functions: ebc-c384_wdt, tegra_wdt,
da9063_wdt, da9062_wdt, da9055_wdt, da9052_wdt, bcm2835_wdt,
mena21_wdt, wm831x_wdt, digicolor_wdt, intel-mid_wdt, meson_wdt,
sunxi_wdt, aspeed_wdt, coh901327_wdt, iTCO_wdt
- Use watchdog core to install restart handler: tangox, dw_wdt,
bcm2835_wdt, asm9260_wdt, bcm47xx_wdt
- Convert ts72xx_wdt driver to watchdog core
- Let core handle heartbeat in ep93xx_wdt driver
- Enable COMPILE_TEST where possible
- Various other improvements"
* tag 'watchdog-for-linus-v4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (54 commits)
watchdog: s3c2410: Add prefix to local function
watchdog: s3c2410: Select MFD_SYSCON on all Exynos platforms
watchdog: s3c2410: Use dev_dbg instead of pr_info
watchdog: s3c2410: Fix infinite interrupt in soft mode
watchdog: s3c2410: Remove confusing CONFIG prefix from local defines
watchdog: softdog: make pretimeout support a compile option
watchdog: zx2967: add watchdog controller driver for ZTE's zx2967 family
dt: bindings: add documentation for zx2967 family watchdog controller
watchdog: sama5d4: Implement resume hook
watchdog: sama5d4: Cache MR instead of a partial config
watchdog: ts72xx_wdt: convert driver to watchdog core
watchdog: ep93xx_wdt: cleanup and let the core handle the heartbeat
watchdog: RDC321X_WDT always depends on PCI
watchdog: add driver for Cortina Gemini watchdog
watchdog: add DT bindings for Cortina Gemini
watchdog: constify watchdog_ops structures
watchdog: Introduce watchdog_stop_on_unregister helper
watchdog: ebc-c384_wdt: Utilize devm_ functions in driver probe callback
watchdog: tegra_wdt: Convert to use device managed functions
watchdog: da9063_wdt: Convert to use device managed functions
...
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git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull Kselftest update from Shuah Khan:
"This update consists of:
- fixes to several existing tests from Stafford Horne
- cpufreq tests from Viresh Kumar
- Selftest build and install fixes from Bamvor Jian Zhang and Michael
Ellerman
- Fixes to protection-keys tests from Dave Hansen
- Warning fixes from Shuah Khan"
* tag 'linux-kselftest-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: (28 commits)
selftests/powerpc: Fix remaining fallout from recent changes
selftests/powerpc: Fix the clean rule since recent changes
selftests: Fix the .S and .S -> .o rules
selftests: Fix the .c linking rule
selftests: Fix selftests build to just build, not run tests
selftests, x86, protection_keys: fix wrong offset in siginfo
selftests, x86, protection_keys: fix uninitialized variable warning
selftest: cpufreq: Update MAINTAINERS file
selftest: cpufreq: Add special tests
selftest: cpufreq: Add support to test cpufreq modules
selftest: cpufreq: Add suspend/resume/hibernate support
selftest: cpufreq: Add support for cpufreq tests
selftests: Add intel_pstate to TARGETS
selftests/intel_pstate: Update makefile to match new style
selftests/intel_pstate: Fix warning on loop index overflow
cpupower: Restore format of frequency-info limit
selftests/futex: Add headers to makefile dependencies
selftests/futex: Add stdio used for logging
selftests: x86 protection_keys remove dead code
selftests: x86 protection_keys fix unused variable compile warnings
...
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git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux
Pull orangefs updates from Mike Marshall:
"Orangefs: cleanups, a protocol fix and an added configuration button.
Cleanups:
- silence harmless integer overflow warning (from
dan.carpenter@oracle.com)
- Dan Carpenter influenced debugfs cleanups.
- remove orangefs_backing_dev_info (from jack@suse.cz)
Protocol fix:
- fix buffer size mis-match between kernel space and user space
New configuration button:
- support readahead_readcnt parameter"
* tag 'for-linus-4.11-ofs2' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux:
orangefs: fix buffer size mis-match between kernel space and user space.
orangefs: Dan Carpenter influenced cleanups...
orangefs: Remove orangefs_backing_dev_info
orangefs: Support readahead_readcnt parameter.
orangefs: silence harmless integer overflow warning
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git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
Pull btrfs updates from Chris Mason:
"This has a series of fixes and cleanups that Dave Sterba has been
collecting.
There is a pretty big variety here, cleaning up internal APIs and
fixing corner cases"
* 'for-linus-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: (124 commits)
Btrfs: use the correct type when creating cow dio extent
Btrfs: fix deadlock between dedup on same file and starting writeback
btrfs: use btrfs_debug instead of pr_debug in transaction abort
btrfs: btrfs_truncate_free_space_cache always allocates path
btrfs: free-space-cache, clean up unnecessary root arguments
btrfs: convert btrfs_inc_block_group_ro to accept fs_info
btrfs: flush_space always takes fs_info->fs_root
btrfs: pass fs_info to (more) routines that are only called with extent_root
btrfs: qgroup: Move half of the qgroup accounting time out of commit trans
btrfs: remove unused parameter from adjust_slots_upwards
btrfs: remove unused parameters from __btrfs_write_out_cache
btrfs: remove unused parameter from cleanup_write_cache_enospc
btrfs: remove unused parameter from __add_inode_ref
btrfs: remove unused parameter from clone_copy_inline_extent
btrfs: remove unused parameters from btrfs_cmp_data
btrfs: remove unused parameter from __add_inline_refs
btrfs: remove unused parameters from scrub_setup_wr_ctx
btrfs: remove unused parameter from create_snapshot
btrfs: remove unused parameter from init_first_rw_device
btrfs: remove unused parameter from __btrfs_alloc_chunk
...
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git://git.infradead.org/linux-platform-drivers-x86
Pull x86 platform driver updates from Darren Hart:
"Big picture:
- New intel_turbo_max_3 driver, providing max core frequency
information to the scheduler. Intel PMC APL support, s0ix read API,
and fixes.
- New Silead touchscreen platform touchscreen descriptions.
Additional hotkey support for the intel-hid driver.
- New model support for dell-laptop and hp_accel.
- Several cleanups, especially to the fujitsu-laptop and
intel_mid_powerbtn drivers.
Detail summary:
platorm/x86:
- silead depends on I2C being built-in
- add support for devices with Silead touchscreens
- Support Turbo Boost Max 3.0 for non HWP systems
intel_turbo_max_3:
- make it explicitly non-modular
dell-laptop:
- Add Latitude 7480 and others to the DMI whitelist
intel-hid:
- Support 5 button array
thinkpad_acpi:
- Call led_classdev_notify_brightness_hw_changed on kbd brightness change
- Use brightness_set_blocking callback for LEDs
- Stop setting led_classdev brightness directly
acer-wmi:
- add another KEY_WLAN keycode
- Inform firmware that RF Button Driver is active
- setup accelerometer when machine has appropriate notify event
asus-wireless:
- Fix indentation
- Use per-HID HSWC parameters
intel_pmc_ipc:
- Add APL PMC PCI Id
- read s0ix residency API
- Remove unused iTCO_version variable
alienware-wmi:
- Remove header duplicate
intel_pmc_core:
- fix out-of-bounds accesses on stack
intel_mid_powerbtn:
- Use SCU IPC directly
- Unify IRQ acknowledgment
- Move comment to where it belongs
- Unify PBSTATUS access
- Remove snail address
- Sort headers alphabetically
- Join string literals
- Enable driver for Merrifield
- Acknowledge interrupts
- Factor out mfld_ack()
- Introduce driver data
- Substitute mfld by mid
- Convert to use devm_*()
fujitsu-laptop:
- make hotkey handling functions more similar
- break up complex loop condition
- move keycode processing to separate functions
- decrease indentation in acpi_fujitsu_hotkey_notify()
- simplify logolamp_get()
- rework logolamp_set() to properly handle errors
- set default trigger for radio LED to rfkill-any
dell-smbios:
- Auto-select as needed
intel_mid_thermal:
- Fix module autoload
- Remove duplicated platform device ID
mlx-platform:
- mlxcpld-hotplug driver style fixes
hp_accel:
- Add support for HP ZBook 17"
* tag 'platform-drivers-x86-v4.11-1' of git://git.infradead.org/linux-platform-drivers-x86: (45 commits)
platform/x86: intel_turbo_max_3: make it explicitly non-modular
platform/x86: dell-laptop: Add Latitude 7480 and others to the DMI whitelist
platform/x86: intel-hid: Support 5 button array
platform/x86: thinkpad_acpi: Call led_classdev_notify_brightness_hw_changed on kbd brightness change
platform/x86: thinkpad_acpi: Use brightness_set_blocking callback for LEDs
platform/x86: thinkpad_acpi: Stop setting led_classdev brightness directly
leds: class: Add new optional brightness_hw_changed attribute
platform/x86: acer-wmi: add another KEY_WLAN keycode
platform/x86: acer-wmi: Inform firmware that RF Button Driver is active
platform/x86: asus-wireless: Fix indentation
platform/x86: asus-wireless: Use per-HID HSWC parameters
platform/x86: intel_pmc_ipc: Add APL PMC PCI Id
platform/x86: intel_pmc_ipc: read s0ix residency API
platform/x86: alienware-wmi: Remove header duplicate
platform/x86: intel_mid_powerbtn: Use SCU IPC directly
platform/x86: intel_mid_powerbtn: Unify IRQ acknowledgment
platform/x86: intel_mid_powerbtn: Move comment to where it belongs
platform/x86: intel_mid_powerbtn: Unify PBSTATUS access
platform/x86: intel_pmc_core: fix out-of-bounds accesses on stack
platform/x86: silead depends on I2C being built-in
...
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk updates from Stephen Boyd:
"The usual collection of new drivers, non-critical fixes, and updates
to existing clk drivers. The bulk of the work is on Allwinner and
Rockchip SoCs, but there's also an Intel Atom driver in here too.
New Drivers:
- Tegra BPMP firmware
- Hisilicon hi3660 SoCs
- Rockchip rk3328 SoCs
- Intel Atom PMC
- STM32F746
- IDT VersaClock 5P49V5923 and 5P49V5933
- Marvell mv98dx3236 SoCs
- Allwinner V3s SoCs
Removed Drivers:
- Samsung Exynos4415 SoCs
Updates:
- Migrate ABx500 to OF
- Qualcomm IPQ4019 CPU clks and general PLL support
- Qualcomm MSM8974 RPM
- Rockchip non-critical fixes and clk id additions
- Samsung Exynos4412 CPUs
- Socionext UniPhier NAND and eMMC support
- ZTE zx296718 i2s and other audio clks
- Renesas CAN and MSIOF clks for R-Car M3-W
- Renesas resets for R-Car Gen2 and Gen3 and RZ/G1
- TI CDCE913, CDCE937, and CDCE949 clk generators
- Marvell Armada ap806 CPU frequencies
- STM32F4* I2S/SAI support
- Broadcom BCM2835 DSI support
- Allwinner sun5i and A80 conversion to new style clk bindings"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (130 commits)
clk: renesas: mstp: ensure register writes complete
clk: qcom: Do not drop device node twice
clk: mvebu: adjust clock handling for the CP110 system controller
clk: mvebu: Expand mv98dx3236-core-clock support
clk: zte: add i2s clocks for zx296718
clk: sunxi-ng: sun9i-a80: Fix wrong pointer passed to PTR_ERR()
clk: sunxi-ng: select SUNXI_CCU_MULT for sun5i
clk: sunxi-ng: Check kzalloc() for errors and cleanup error path
clk: tegra: Add BPMP clock driver
clk: uniphier: add eMMC clock for LD11 and LD20 SoCs
clk: uniphier: add NAND clock for all UniPhier SoCs
ARM: dts: sun9i: Switch to new clock bindings
clk: sunxi-ng: Add A80 Display Engine CCU
clk: sunxi-ng: Add A80 USB CCU
clk: sunxi-ng: Add A80 CCU
clk: sunxi-ng: Support separately grouped PLL lock status register
clk: sunxi-ng: mux: Get closest parent rate possible with CLK_SET_RATE_PARENT
clk: sunxi-ng: mux: honor CLK_SET_RATE_NO_REPARENT flag
clk: sunxi-ng: mux: Fix determine_rate for mux clocks with pre-dividers
clk: qcom: SDHCI enablement on Nexus 5X / 6P
...
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
"I2C has for you two new drivers (Tegra BPMP and STM32F4), interrupt
support for pca954x muxes, and a bunch of driver bugfixes and
improvements. Nothing really special this cycle.
A few commits have been added to my tree just recently. Those are the
Tegra BPMP driver and a few straightforward bugfixes or cleanups which
I prefer to have upstream rather soonish. The rest had proper
linux-next exposure"
* 'i2c/for-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (25 commits)
i2c: thunderx: Replace pci_enable_msix()
i2c: exynos5: fix arbitration lost handling
i2c: exynos5: disable fifo-almost-empty irq signal when necessary
i2c: at91: ensure state is restored after suspending
i2c: bcm2835: Avoid possible NULL ptr dereference
i2c: Add Tegra BPMP I2C proxy driver
dt-bindings: Add Tegra186 BPMP I2C binding
misc: eeprom: at24: use device_property_*() functions instead of of_get_property()
i2c: mux: pca954x: Add interrupt controller support
dt: bindings: i2c-mux-pca954x: Add documentation for interrupt controller
i2c: mux: pca954x: Add missing pca9542 definition to chip_desc
i2c: riic: correctly finish transfers
i2c: i801: Add support for Intel Gemini Lake
i2c: mux: pca9541: Export OF device ID table as module aliases
i2c: mux: pca954x: Export OF device ID table as module aliases
i2c: mux: mlxcpld: remove unused including <linux/version.h>
i2c: busses: constify i2c_algorithm structures
i2c: i2c-mux-gpio: rename i2c-gpio-mux to i2c-mux-gpio
i2c: sh_mobile: document support for r8a7796 (R-Car M3-W)
i2c: i2c-cros-ec-tunnel: Reduce logging noise
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git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma
Pull rdma DMA mapping updates from Doug Ledford:
"Drop IB DMA mapping code and use core DMA code instead.
Bart Van Assche noted that the ib DMA mapping code was significantly
similar enough to the core DMA mapping code that with a few changes it
was possible to remove the IB DMA mapping code entirely and switch the
RDMA stack to use the core DMA mapping code.
This resulted in a nice set of cleanups, but touched the entire tree
and has been kept separate for that reason."
* tag 'for-next-dma_ops' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma: (37 commits)
IB/rxe, IB/rdmavt: Use dma_virt_ops instead of duplicating it
IB/core: Remove ib_device.dma_device
nvme-rdma: Switch from dma_device to dev.parent
RDS: net: Switch from dma_device to dev.parent
IB/srpt: Modify a debug statement
IB/srp: Switch from dma_device to dev.parent
IB/iser: Switch from dma_device to dev.parent
IB/IPoIB: Switch from dma_device to dev.parent
IB/rxe: Switch from dma_device to dev.parent
IB/vmw_pvrdma: Switch from dma_device to dev.parent
IB/usnic: Switch from dma_device to dev.parent
IB/qib: Switch from dma_device to dev.parent
IB/qedr: Switch from dma_device to dev.parent
IB/ocrdma: Switch from dma_device to dev.parent
IB/nes: Remove a superfluous assignment statement
IB/mthca: Switch from dma_device to dev.parent
IB/mlx5: Switch from dma_device to dev.parent
IB/mlx4: Switch from dma_device to dev.parent
IB/i40iw: Remove a superfluous assignment statement
IB/hns: Switch from dma_device to dev.parent
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Pull fbdev updates from Bartlomiej Zolnierkiewicz:
- fix for font color when console is switched to another fb driver
- deferred probing fixes for simplefb driver
- preparations to add support of an optional GPIO to enable panel for
ARM CLCD driver
- some improvements for ssd1307fb driver
- cleanups for OMAP fbdev LCD drivers
- misc fixes/cleanups for various fb drivers
* tag 'fbdev-v4.11' of git://github.com/bzolnier/linux: (30 commits)
video: fbdev: fsl-diu-fb: fix spelling mistake "palette"
fbdev: ssd1307fb: include linux/gpio/consumer.h
video: fbdev: fsl-diu-fb: remove impossible condition
video: fbdev: amifb: remove impossible condition
fbdev/ssd1307fb: clear screen in probe
fbdev/ssd1307fb: add support to enable VBAT
fbdev: ssd1307fb: Make reset gpio devicetree property optional
fbdev: ssd1307fb: Remove reset-active-low from the DT binding document
fbdev: ssd1307fb: Start to use gpiod API for reset gpio
video: fbdev: sh_mobile_lcdcfb: fix error return code in sh_mobile_lcdc_probe()
video: fbdev: offb: switch to using for_each_node_by_type
video/console: use setup_timer and mod_timer instead of init_timer
fbdev: omap/lcd: Make callbacks optional
fbdev: omap/lcd: Staticize non-exported lcd_panel structs
fbdev: omap/lcd: Remove no-op driver callbacks
video/mbx: use simple_open()
video: fbdev: stifb: handle NULL return value from ioremap_nocache
video: fbdev: pmagb-b-fb: Remove bad `__init' annotation
video: fbdev: pmag-ba-fb: Remove bad `__init' annotation
video: ARM CLCD: use panel device node for getting backlight and mode
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These are the current source files that should not have
executable attributes set.
[ Normally this would be sent through Andrew Morton's tree
but his quilt tools don't like permission only patches. ]
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Merge more updates from Andrew Morton:
- almost all of the rest of MM
- misc bits
- KASAN updates
- procfs
- lib/ updates
- checkpatch updates
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (124 commits)
checkpatch: remove false unbalanced braces warning
checkpatch: notice unbalanced else braces in a patch
checkpatch: add another old address for the FSF
checkpatch: update $logFunctions
checkpatch: warn on logging continuations
checkpatch: warn on embedded function names
lib/lz4: remove back-compat wrappers
fs/pstore: fs/squashfs: change usage of LZ4 to work with new LZ4 version
crypto: change LZ4 modules to work with new LZ4 module version
lib/decompress_unlz4: change module to work with new LZ4 module version
lib: update LZ4 compressor module
lib/test_sort.c: make it explicitly non-modular
lib: add CONFIG_TEST_SORT to enable self-test of sort()
rbtree: use designated initializers
linux/kernel.h: fix DIV_ROUND_CLOSEST to support negative divisors
lib/find_bit.c: micro-optimise find_next_*_bit
lib: add module support to atomic64 tests
lib: add module support to glob tests
lib: add module support to crc32 tests
kernel/ksysfs.c: add __ro_after_init to bin_attribute structure
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mac80211_hwsim initializes a hrtimer with clockid CLOCK_MONOTONIC_RAW.
That's not supported.
Use CLOCK_MONOTNIC instead.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into for-next
Linux 4.10
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The Kconfig currently controlling compilation of this code is:
drivers/platform/x86/Kconfig:config INTEL_TURBO_MAX_3
drivers/platform/x86/Kconfig: bool "Intel Turbo Boost Max Technology 3.0 enumeration driver"
...meaning that it currently is not being built as a module by anyone.
Lets remove the couple traces of modular infrastructure use, so that
when reading the driver there is no doubt it is builtin-only.
Also note that MODULE_DEVICE_TABLE is a no-op for non-modular code.
We also delete the MODULE_LICENSE tag etc. since all that information
was (or is now) contained at the top of the file in the comments.
We do uncover some implicit includes during build coverage that
were hidden behind the module.h which pulls in a lot of dependants.
Cc: Andy Shevchenko <andy@infradead.org>
Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Cc: platform-driver-x86@vger.kernel.org
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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This is to support Latitude 7480 and many other newer Dell laptops.
Signed-off-by: Alex Hung <alex.hung@canonical.com>
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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New firmwares include a feature called 5 button array that supports
super key, volume up/down, rotation lock and power button. Support
for this feature is required to fix power button on some recent
systems.
This patch was tested on a Dell Latitude 7480.
Signed-off-by: Alex Hung <alex.hung@canonical.com>
Reviewed-by: Michał Kępień <kernel@kempniu.pl>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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on kbd brightness change
Make thinkpad_acpi call led_classdev_notify_brightness_hw_changed on the
kbd_led led_classdev registered by thinkpad_acpi when the kbd backlight
brightness is changed through the hotkey.
This will allow userspace to monitor (poll) for brightness changes on
these LEDs caused by the hotkey.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
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Now a days the LED core can take care of executing brightness_set from
a workqueue if it needs to sleep, make use of this and remove a bunch
of DIY code for this.
Since this commit removes the workqueue usage for LEDs, the
led_sysfs_blink_set callback may now also sleep, this is fine.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
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There is no need to set the led_classdev's brightness value from
its set_brightness callback, this is taken care of by the led-core and
thinkpad_acpi really should not be mucking with it.
Note that kbdlight_set_level_and_update() is still used by the old
thinpad_acpi specific sysfs interface for the led, so we cannot
remove it.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
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Some LEDs may have their brightness level changed autonomously
(outside of kernel control) by hardware / firmware. This commit
adds support for an optional brightness_hw_changed attribute to
signal such changes to userspace (if a driver can detect them):
What: /sys/class/leds/<led>/brightness_hw_changed
Date: January 2017
KernelVersion: 4.11
Description:
Last hardware set brightness level for this LED. Some LEDs
may be changed autonomously by hardware/firmware. Only LEDs
where this happens and the driver can detect this, will
have this file.
This file supports poll() to detect when the hardware
changes the brightness.
Reading this file will return the last brightness level set
by the hardware, this may be different from the current
brightness.
Drivers which want to support this, simply add LED_BRIGHT_HW_CHANGED to
their flags field and call led_classdev_notify_brightness_hw_changed()
with the hardware set brightness when they detect a hardware / firmware
triggered brightness change.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
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Now that we have informed the firmware that the RF Button driver is
active, laptops such as the Acer TravelMate P238-M will generate
a WMI key event with code 0x86 when the Fn+F3 airplane mode key is
pressed.
Add this keycode to the table so that it is converted to an appropriate
input event.
Signed-off-by: Chris Chiu <chiu@endlessm.com>
Signed-off-by: Daniel Drake <drake@endlessm.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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The same method to activate LM(Launch Manager) can also be used to
activate the RF Button driver with different bit toggled in the same
lm_status. To express that many functions this byte field can achieve,
rename the lm_status to app_status. And also the app_mask is the bit
mask which specifically indicate which bits are going to be changed.
This solves a problem where the AR9565 wifi included in the
Acer Aspire ES1-421 is permanently hard blocked according to the rfkill
GPIO read by ath9k.
Signed-off-by: Chris Chiu <chiu@endlessm.com>
Signed-off-by: Daniel Drake <drake@endlessm.com>
Reviewed-by: Lee, Chun-Yi <jlee@suse.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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