Pull drm updates from Dave Airlie:
"This is the main drm pull request for 4.5. I don't think I've missed
anything too major, I'm mostly back at work now but I'll probably get
some sleep in 5 years time.
Summary:
New drivers:
- etnaviv:
GPU driver for the 3D core on the Vivante core used in numerous
ARM boards.
Highlights:
Core:
- Atomic suspend/resume helpers
- Move the headers to using userspace friendlier types.
- Documentation updates
- Lots of struct_mutex removal.
- Bunch of DP MST fixes from AMD.
Panel:
- More DSI helpers
- Support for some new basic panels
i915:
- Basic Kabylake support
- DP link training and detect code refactoring
- fbc/psr fixes
- FIFO underrun fixes
- SDE interrupt handling fixes
- dma-buf/fence support in pageflip path.
- GPU side for MST audio support
radeon/amdgpu:
- Drop UMS support
- GPUVM/Scheduler optimisations
- Initial Powerplay support for Tonga/Fiji/CZ/ST
- ACP audio prerequisites
nouveau:
- GK20a instmem improvements
- PCIE link speed change support
msm:
- DSI support for msm8960/apq8064
tegra:
- Host1X support for Tegra210 SoC
vc4:
- 3D acceleration support
armada:
- Get rid of struct mutex
tda998x:
- Atomic modesetting support
- TMDS clock limitations
omapdrm:
- Atomic modesetting support
- improved TILER performance
rockchip:
- RK3036 VOP support
- Atomic modesetting support
- Synopsys DW MIPI DSI support
exynos:
- Runtime PM support
- of_graph binding for DP panels
- Cleanup of IPP code
- Configurable plane support
- Kernel panic fixes at release time"
* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (711 commits)
drm/fb_cma_helper: Remove implicit call to disable_unused_functions
drm/amdgpu: add missing irq.h include
drm/vmwgfx: Fix a width / pitch mismatch on framebuffer updates
drm/vmwgfx: Fix an incorrect lock check
drm: nouveau: fix nouveau_debugfs_init prototype
drm/nouveau/pci: fix check in nvkm_pcie_set_link
drm/amdgpu: validate duplicates first
drm/amdgpu: move VM page tables to the LRU end on CS v2
drm/ttm: add ttm_bo_move_to_lru_tail function v2
drm/ttm: fix adding foreign BOs to the swap LRU
drm/ttm: fix adding foreign BOs to the LRU during init v2
drm/radeon: use kobj_to_dev()
drm/amdgpu: use kobj_to_dev()
drm/amdgpu/cz: force vce clocks when sclks are forced
drm/amdgpu/cz: force uvd clocks when sclks are forced
drm/amdgpu/cz: add code to enable forcing VCE clocks
drm/amdgpu/cz: add code to enable forcing UVD clocks
drm/amdgpu: fix lost sync_to if scheduler is enabled.
drm/amd/powerplay: fix static checker warning for return meaningless value.
drm/sysfs: use kobj_to_dev()
...
Infrastructural changes:
- In struct gpio_chip, rename the .dev node to .parent to better reflect
the fact that this is not the GPIO struct device abstraction. We will
add that soon so this would be totallt confusing.
- It was noted that the driver .get_value() callbacks was
sometimes reporting negative -ERR values to the gpiolib core, expecting
them to be propagated to consumer gpiod_get_value() and gpio_get_value()
calls. This was not happening, so as there was a mess of drivers
returning negative errors and some returning "anything else than zero"
to indicate that a line was active. As some would have bit 31 set to
indicate "line active" it clashed with negative error codes. This is
fixed by the largeish series clamping values in all drivers with
!!value to [0,1] and then augmenting the code to propagate error codes
to consumers. (Includes some ACKed patches in other subsystems.)
- Add a void *data pointer to struct gpio_chip. The container_of() design
pattern is indeed very nice, but we want to reform the struct gpio_chip
to be a non-volative, stateless business, and keep states internal to
the gpiolib to be able to hold on to the state when adding a proper
userspace ABI (character device) further down the road. To achieve this,
drivers need a handle at the internal state that is not dependent on
their struct gpio_chip() so we add gpiochip_add_data() and
gpiochip_get_data() following the pattern of many other subsystems.
All the "use gpiochip data pointer" patches transforms drivers to this
scheme.
- The Generic GPIO chip header has been merged into the general
<linux/gpio/driver.h> header, and the custom header for that removed.
Instead of having a separate mm_gpio_chip struct for these generic
drivers, merge that into struct gpio_chip, simplifying the code and
removing the need for separate and confusing includes.
Misc improvements:
- Stabilize the way GPIOs are looked up from the ACPI legacy
specification.
- Incremental driver features for PXA, PCA953X, Lantiq (patches from the
OpenWRT community), RCAR, Zynq, PL061, 104-idi-48
New drivers:
- Add a GPIO chip to the ALSA SoC AC97 driver.
- Add a new Broadcom NSP SoC driver (this lands in the pinctrl dir, but
the branch is merged here too to account for infrastructural changes).
- The sx150x driver now supports the sx1502.
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Merge tag 'gpio-v4.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO updates from Linus Walleij:
"Here is the bulk of GPIO changes for v4.5.
Notably there are big refactorings mostly by myself, aimed at getting
the gpio_chip into a shape that makes me believe I can proceed to
preserve state for a proper userspace ABI (character device) that has
already been proposed once, but resulted in the feedback that I need
to go back and restructure stuff. So I've been restructuring stuff.
On the way I ran into brokenness (return code from the get_value()
callback) and had to fix it. Also, refactored generic GPIO to be
simpler.
Some of that is still waiting to trickle down from the subsystems all
over the kernel that provide random gpio_chips, I've touched every
single GPIO driver in the kernel now, oh man I didn't know I was
responsible for so much...
Apart from that we're churning along as usual.
I took some effort to test and retest so it should merge nicely and we
shook out a couple of bugs in -next.
Infrastructural changes:
- In struct gpio_chip, rename the .dev node to .parent to better
reflect the fact that this is not the GPIO struct device
abstraction. We will add that soon so this would be totallt
confusing.
- It was noted that the driver .get_value() callbacks was sometimes
reporting negative -ERR values to the gpiolib core, expecting them
to be propagated to consumer gpiod_get_value() and gpio_get_value()
calls. This was not happening, so as there was a mess of drivers
returning negative errors and some returning "anything else than
zero" to indicate that a line was active. As some would have bit
31 set to indicate "line active" it clashed with negative error
codes. This is fixed by the largeish series clamping values in all
drivers with !!value to [0,1] and then augmenting the code to
propagate error codes to consumers. (Includes some ACKed patches
in other subsystems.)
- Add a void *data pointer to struct gpio_chip. The container_of()
design pattern is indeed very nice, but we want to reform the
struct gpio_chip to be a non-volative, stateless business, and keep
states internal to the gpiolib to be able to hold on to the state
when adding a proper userspace ABI (character device) further down
the road. To achieve this, drivers need a handle at the internal
state that is not dependent on their struct gpio_chip() so we add
gpiochip_add_data() and gpiochip_get_data() following the pattern
of many other subsystems. All the "use gpiochip data pointer"
patches transforms drivers to this scheme.
- The Generic GPIO chip header has been merged into the general
<linux/gpio/driver.h> header, and the custom header for that
removed. Instead of having a separate mm_gpio_chip struct for
these generic drivers, merge that into struct gpio_chip,
simplifying the code and removing the need for separate and
confusing includes.
Misc improvements:
- Stabilize the way GPIOs are looked up from the ACPI legacy
specification.
- Incremental driver features for PXA, PCA953X, Lantiq (patches from
the OpenWRT community), RCAR, Zynq, PL061, 104-idi-48
New drivers:
- Add a GPIO chip to the ALSA SoC AC97 driver.
- Add a new Broadcom NSP SoC driver (this lands in the pinctrl dir,
but the branch is merged here too to account for infrastructural
changes).
- The sx150x driver now supports the sx1502"
* tag 'gpio-v4.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (220 commits)
gpio: generic: make bgpio_pdata always visible
gpiolib: fix chip order in gpio list
gpio: mpc8xxx: Do not use gpiochip_get_data() in mpc8xxx_gpio_save_regs()
gpio: mm-lantiq: Do not use gpiochip_get_data() in ltq_mm_save_regs()
gpio: brcmstb: Allow building driver for BMIPS_GENERIC
gpio: brcmstb: Set endian flags for big-endian MIPS
gpio: moxart: fix build regression
gpio: xilinx: Do not use gpiochip_get_data() in xgpio_save_regs()
leds: pca9532: use gpiochip data pointer
leds: tca6507: use gpiochip data pointer
hid: cp2112: use gpiochip data pointer
bcma: gpio: use gpiochip data pointer
avr32: gpio: use gpiochip data pointer
video: fbdev: via: use gpiochip data pointer
gpio: pch: Optimize pch_gpio_get()
Revert "pinctrl: lantiq: Implement gpio_chip.to_irq"
pinctrl: nsp-gpio: use gpiochip data pointer
pinctrl: vt8500-wmt: use gpiochip data pointer
pinctrl: exynos5440: use gpiochip data pointer
pinctrl: at91-pio4: use gpiochip data pointer
...
Document what I've learned so far about the gmux so that we can
collaboratively reverse-engineer its remaining unknown bits
without everyone having to start from scratch.
The DOC sections are bound together in the gpu.tmpl DocBook
under a new vga_switcheroo "Handlers" chapter. Eventually
this should be amended with documentation about the four other
handlers that exist so far (nouveau v1 DSM, nouveau Optimus DSM,
radeon ATPX, amdgpu ATPX).
Requires kernel-doc with asciidoc support.
The EFI variable was reverse-engineered by Bruno Bierbaumer
<bruno@bierbaumer.net> and Andreas Heider <andreas@meetr.de>.
Some of the remaining open questions:
* How are vblank intervals synchronized on retinas to achieve seamless
switching? Is the DP mux capable of this? It's not mentioned in the
data sheets. Or is it done at the OS level, i.e. do we have to
synchronize vblank intervals between DRM drivers? There's a signal
coming from the panel connector and going into gmux, could this be
the vblank signal as received by the panel to properly time the
switch?
* On retinas there's an I2C bus between gmux and the connector of the
right I/O board, apparently leading to the Parade PS8401A HDMI
repeater. What is this for, is it controlled via gmux registers?
Data sheet:
http://www.paradetech.com/products/jitter-cleaning-repeaters/ps8401/
* On retinas there's an I2C bus between gmux and the LED driver.
Pre-retinas connected the LED driver to SMBUS. Are there additional
gmux registers on retinas to control it?
* The MacPro6,1 2013 also has a gmux, the same Renesas R4F2113 as the
retina MacBook Pro. The Mac Pro doesn't have a built-in display,
so what is its purpose? Power control of the dual FirePro GPUs?
Switching of the external DP/Thunderbolt ports? The iFixit teardown
clearly shows one TI HD3SS212 DisplayPort mux on the logic board next
to one of the three Thunderbolt controllers. However six muxes would
be necessary to switch all six ports between GPUs. The mux is probably
necessary for one of the display configurations allowed by Apple,
but which one?
https://www.ifixit.com/Teardown/Mac+Pro+Late+2013+Teardown/20778https://d3nevzfk7ii3be.cloudfront.net/igi/fELBTnt31QhnDsqq.hugehttps://support.apple.com/en-us/HT202801
* Registers we haven't decoded yet:
0x700 32 Bit configmap?
0x708 32 Bit power sequence?
0x712 8 Bit status of clock from panel on retinas?
0x713 8 Bit dito?
0x724 16 Bit backlight, raw value?
0x760 32 Bit backlight
0x764 32 Bit backlight
0x768 8 Bit backlight
0x76a 16 Bit backlight
0x76c 16 Bit backlight
0x76e 16 Bit backlight
0x77f edp/dp/hdmi probe? retina only.
* Addition by Bruno Prémont <bonbons@linux-vserver.org>:
"Missing is also precise knowledge as to what the gmux depends on.
From behavioral reports, it is somehow sensitive to VGA IO/MEM
routing (it apparently needs the routing to go to integrated GPU,
not discrete GPU).
When the routing is inappropriate backlight control IO just reads back
as 0xFF (and eventually gmux IO in general does so)."
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Acked-by: Darren Hart <dvhart@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/da309e436fbeac886477d80376457b7d83ea4b2d.1452431795.git.lukas@wunner.de
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Use the new acpi_video_handles_brightness_key_presses function to check
if we should report brightness key-presses.
This makes the code both easier to read and makes it properly report
key-presses when acpi-video is not reporting them for reasons other
then the backlight type being vendor.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Use the new acpi_video_handles_brightness_key_presses function to check
if we should report brightness key-presses.
This makes the code both easier to read and makes it properly report
key-presses when acpi-video is not reporting them for reasons other
then the backlight type being vendor.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The name .dev in a struct is normally reserved for a struct device
that is let us say a superclass to the thing described by the struct.
struct gpio_chip stands out by confusingly using a struct device *dev
to point to the parent device (such as a platform_device) that
represents the hardware. As we want to give gpio_chip:s real devices,
this is not working. We need to rename this member to parent.
This was done by two coccinelle scripts, I guess it is possible to
combine them into one, but I don't know such stuff. They look like
this:
@@
struct gpio_chip *var;
@@
-var->dev
+var->parent
and:
@@
struct gpio_chip var;
@@
-var.dev
+var.parent
and:
@@
struct bgpio_chip *var;
@@
-var->gc.dev
+var->gc.parent
Plus a few instances of bgpio that I couldn't figure out how
to teach Coccinelle to rewrite.
This patch hits all over the place, but I *strongly* prefer this
solution to any piecemal approaches that just exercise patch
mechanics all over the place. It mainly hits drivers/gpio and
drivers/pinctrl which is my own backyard anyway.
Cc: Haavard Skinnemoen <hskinnemoen@gmail.com>
Cc: Rafał Miłecki <zajec5@gmail.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Cc: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Cc: Alek Du <alek.du@intel.com>
Cc: Jaroslav Kysela <perex@perex.cz>
Cc: Takashi Iwai <tiwai@suse.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Jiri Kosina <jkosina@suse.cz>
Acked-by: Hans-Christian Egtvedt <egtvedt@samfundet.no>
Acked-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Support for the unfortunately rather unique ESC key on the Ideapad Yoga 3 and
two DMI matches for rfkill support. Solitary fix for potential missed errors for
asus-wmi. Downgrade a thinkpad_acpi message to info.
asus-wmi:
- fix error handling in store_sys_wmi()
ideapad-laptop:
- Add Lenovo Yoga 900 to no_hw_rfkill dmi list
- include Yoga 3 1170 in add rfkill whitelist
- add support for Yoga 3 ESC key
thinkpad_acpi:
- Don't yell on unsupported brightness interfaces
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Merge tag 'platform-drivers-x86-v4.4-2' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86
Pull another x86 platform driver update from Darren Hart:
"Support for the unfortunately rather unique ESC key on the Ideapad
Yoga 3 and two DMI matches for rfkill support. Solitary fix for
potential missed errors for asus-wmi. Downgrade a thinkpad_acpi
message to info.
asus-wmi:
- fix error handling in store_sys_wmi()
ideapad-laptop:
- Add Lenovo Yoga 900 to no_hw_rfkill dmi list
- include Yoga 3 1170 in add rfkill whitelist
- add support for Yoga 3 ESC key
thinkpad_acpi:
- Don't yell on unsupported brightness interfaces"
* tag 'platform-drivers-x86-v4.4-2' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86:
asus-wmi: fix error handling in store_sys_wmi()
ideapad-laptop: Add Lenovo Yoga 900 to no_hw_rfkill dmi list
ideapad-laptop: include Yoga 3 1170 in add rfkill whitelist
ideapad-laptop: add support for Yoga 3 ESC key
thinkpad_acpi: Don't yell on unsupported brightness interfaces
Pull thermal updates from Zhang Rui:
- Implement generic devfreq cooling mechanism through frequency
reduction for devices using devfreq. From Ørjan Eide and Javi
Merino.
- Introduce OMAP3 support on TI SoC thermal driver. From Pavel Mack
and Eduardo Valentin.
- A bounch of small fixes on devfreq_cooling, Exynos, IMX, Armada, and
Rockchip thermal drivers.
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux: (24 commits)
thermal: exynos: Directly return 0 instead of using local ret variable
thermal: exynos: Remove unneeded semicolon
thermal: exynos: Use IS_ERR() because regulator cannot be NULL
thermal: exynos: Fix first temperature read after registering sensor
thermal: exynos: Fix unbalanced regulator disable on probe failure
devfreq_cooling: return on allocation failure
thermal: rockchip: support the sleep pinctrl state to avoid glitches in s2r
dt-bindings: rockchip-thermal: Add the pinctrl states in this document
thermal: devfreq_cooling: Make power a u64
thermal: devfreq_cooling: use a thermal_cooling_device for register and unregister
thermal: underflow bug in imx_set_trip_temp()
thermal: armada: Fix possible overflow in the Armada 380 thermal sensor formula
thermal: imx: register irq handler later in probe
thermal: rockhip: fix setting thermal shutdown polarity
thermal: rockchip: fix handling of invalid readings
devfreq_cooling: add trace information
thermal: Add devfreq cooling
PM / OPP: get the voltage for all OPPs
tools/thermal: tmon: use pkg-config also for CFLAGS
linux/thermal.h: rename KELVIN_TO_CELSIUS to DECI_KELVIN_TO_CELSIUS
...
The asus_wmi_get_devstate_simple() returns 0-1 on success. In theory
according to static checkers, it can return either -EIO or -ENODEV on
failure. Currently the error handling code only handles -ENODEV and
-EIO is treated as success. Let's make it handle the -EIO error as
well.
It's possible that it can't actually return -EIO and this patch is not
needed but in that case this patch is harmless and silences a static
checker warning so it's still worth it.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Pull drm updates from Dave Airlie:
"I Was Almost Tempted To Capitalise Every Word, but then I decided I
couldn't read it myself!
I've also got one pull request for the sti driver outstanding. It
relied on a commit in Greg's tree and I didn't find out in time, that
commit is in your tree now so I might send that along once this is
merged.
I also had the accidental misfortune to have access to a Skylake on my
desk for a few days, and I've had to encourage Intel to try harder,
which seems to be happening now.
Here is the main drm-next pull request for 4.4.
Highlights:
New driver:
vc4 driver for the Rasberry Pi VPU.
(From Eric Anholt at Broadcom.)
Core:
Atomic fbdev support
Atomic helpers for runtime pm
dp/aux i2c STATUS_UPDATE handling
struct_mutex usage cleanups.
Generic of probing support.
Documentation:
Kerneldoc for VGA switcheroo code.
Rename to gpu instead of drm to reflect scope.
i915:
Skylake GuC firmware fixes
HPD A support
VBT backlight fallbacks
Fastboot by default for some systems
FBC work
BXT/SKL workarounds
Skylake deeper sleep state fixes
amdgpu:
Enable GPU scheduler by default
New atombios opcodes
GPUVM debugging options
Stoney support.
Fencing cleanups.
radeon:
More efficient CS checking
nouveau:
gk20a instance memory handling improvements.
Improved PGOB detection and GK107 support
Kepler GDDR5 PLL statbility improvement
G8x/GT2xx reclock improvements
new userspace API compatiblity fixes.
virtio-gpu:
Add 3D support - qemu 2.5 has it merged for it's gtk backend.
msm:
Initial msm88896 (snapdragon 8200)
exynos:
HDMI cleanups
Enable mixer driver byt default
Add DECON-TV support
vmwgfx:
Move to using memremap + fixes.
rcar-du:
Add support for R8A7793/4 DU
armada:
Remove support for non-component mode
Improved plane handling
Power savings while in DPMS off.
tda998x:
Remove unused slave encoder support
Use more HDMI helpers
Fix EDID read handling
dwhdmi:
Interlace video mode support for ipu-v3/dw_hdmi
Hotplug state fixes
Audio driver integration
imx:
More color formats support.
tegra:
Minor fixes/improvements"
[ Merge fixup: remove unused variable 'dev' that had all uses removed in
commit 4e270f088011: "drm/gem: Drop struct_mutex requirement from
drm_gem_mmap_obj" ]
* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (764 commits)
drm/vmwgfx: Relax irq locking somewhat
drm/vmwgfx: Properly flush cursor updates and page-flips
drm/i915/skl: disable display side power well support for now
drm/i915: Extend DSL readout fix to BDW and SKL.
drm/i915: Do graphics device reset under forcewake
drm/i915: Skip fence installation for objects with rotated views (v4)
vga_switcheroo: Drop client power state VGA_SWITCHEROO_INIT
drm/amdgpu: group together common fence implementation
drm/amdgpu: remove AMDGPU_FENCE_OWNER_MOVE
drm/amdgpu: remove now unused fence functions
drm/amdgpu: fix fence fallback check
drm/amdgpu: fix stoping the scheduler timeout
drm/amdgpu: cleanup on error in amdgpu_cs_ioctl()
drm/i915: Fix locking around GuC firmware load
drm/amdgpu: update Fiji's Golden setting
drm/amdgpu: update Fiji's rev id
drm/amdgpu: extract common code in vi_common_early_init
drm/amd/scheduler: don't oops on failure to load
drm/amdgpu: don't oops on failure to load (v2)
drm/amdgpu: don't VT switch on suspend
...
Like some of the other Yoga models the Lenovo Yoga 900 does not have a
hw rfkill switch, and trying to read the hw rfkill switch through the
ideapad module causes it to always reported blocking breaking wifi.
This commit adds the Lenovo Yoga 900 to the no_hw_rfkill dmi list, fixing
the wifi breakage.
BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1275490
Cc: stable@vger.kernel.org
Reported-and-tested-by: Kevin Fenzi <kevin@scrye.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
This changes the entry to the whitelist of machines that do not have
a physical rfkill switch. Unfortunately, the Yoga 3 generation seems
to use upper-case letters for the YOGA 3 Pro-1370, while it uses normal
capitalization for its Yoga 3 1170 and 1470 siblings.
In order to catch all variants of the Yoga 3, I'm changing both
the entry for the 1470 (using "Yoga" as the name) and the entry for
the Pro 1370 (using all-caps "YOGA") to not match the exact model number
but only the generation. This way, the 1170 and 1470 models share one
entry, but if the firmware changes from one format to the other, it will
still work.
The second entry for Yoga 2 Pro that was recently added for some
reason ended up not being added in alphanumeric order, and I'm
moving the Yoga 3 1470 entry down while making the change, so they
are sorted more logically.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
The ideapad-laptop handles most special keys on various Lenovo Laptops
including the Yoga line. Unfortunately, the Yoga 3 11/13/14 models have
one important exception, which is the Fn-ESC combination.
On other Lenovo Laptops, this is FnLock, which switches the function keys
between the primary (Mute, Vol down, Vol up, ...) and the secondary (F1,
F2, F3, ...) behavior. On the new machines, FnLock is only available
through BIOS setup (possibly through a yet-to-be-implemented feature
in this driver) but not through Fn-ESC, but instead the ESC key itself
switched between ESC and a "Paper Display" app for Windows.
Unfortunately, that means that you can never have both ESC *and* the
function keys working at the same time without needing to press Fn on
one of them.
As pointed out in the official Lenovo Forum by dozens of users, this
makes the machine rather useless for any serious work [1].
I have now studied the ACPI DSDT one more time and found the event
that is generated for the ESC key. Unlike all other key events on this
machine, it is actually a WMI, while the other ones are read from the
embedded controller.
I am now installing a WMI notifier that uses the event number from the
WMI subsystem as the scancode. The only event number generated here is
'128', and that fits in nicely with the two existing ranges of scancodes
used by the EC: 0-15 for the 16-bit VPCCMD_R_VPC register, 16-17 for
the VPCCMD_R_NOVO register and 64-67 for VPCCMD_R_SPECIAL_BUTTONS.
The only sane way to handle this button (in absence of the Windows Paper
Display driver) seems to be to have it emit KEY_ESC, so that is what
I use as the default. Should any user ever want to overwrite the default,
they can install their own keymap.
To ensure that we can still build the driver without adding a CONFIG_WMI
dependency, all new code is enclosed in #ifdef.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
[1] https://forums.lenovo.com/t5/Lenovo-Yoga-Series-Notebooks/YOGA-3-14-How-to-reclaim-my-Esc-key-and-permanently-disable/td-p/2070816
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
The asm-generic changes for 4.4 are mostly a series from Christoph Hellwig
to clean up various abuses of headers in there. The patch to rename the
io-64-nonatomic-*.h headers caused some conflicts with new users, so I
added a workaround that we can remove in the next merge window.
The only other patch is a warning fix from Marek Vasut
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Merge tag 'asm-generic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
Pull asm-generic cleanups from Arnd Bergmann:
"The asm-generic changes for 4.4 are mostly a series from Christoph
Hellwig to clean up various abuses of headers in there. The patch to
rename the io-64-nonatomic-*.h headers caused some conflicts with new
users, so I added a workaround that we can remove in the next merge
window.
The only other patch is a warning fix from Marek Vasut"
* tag 'asm-generic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
asm-generic: temporarily add back asm-generic/io-64-nonatomic*.h
asm-generic: cmpxchg: avoid warnings from macro-ized cmpxchg() implementations
gpio-mxc: stop including <asm-generic/bug>
n_tracesink: stop including <asm-generic/bug>
n_tracerouter: stop including <asm-generic/bug>
mlx5: stop including <asm-generic/kmap_types.h>
hifn_795x: stop including <asm-generic/kmap_types.h>
drbd: stop including <asm-generic/kmap_types.h>
move count_zeroes.h out of asm-generic
move io-64-nonatomic*.h out of asm-generic
The thinkpad_acpi driver currently emits error messages on unsupported
brightness interfaces, giving the impression that someone will implement
those. However, this error is spit out on nearly every thinkpad in
production since 2 years now. Furthermore, the backlight interfaces on
those devices are supported by the i915 driver just fine.
Downgrade the error message to a normal pr_info() and stop telling people
to report it to IBM.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Commit 53147b6cab ("toshiba_acpi: Fix
hotkeys registration on some toshiba models") fixed an issue on some
laptops regarding hotkeys registration, however, if failed to address
the initialization of the hotkey_event_type variable, and thus, it can
lead to potential unwanted effects as the variable is being checked.
This patch initializes such variable to avoid such unwanted effects.
Cc: <stable@vger.kernel.org> # 4.1+
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
This patch solves:
on x86_64:
when CONFIG_ACPI is not enabled:
../drivers/mfd/intel_soc_pmic_bxtwc.c: In function 'bxtwc_probe':
../drivers/mfd/intel_soc_pmic_bxtwc.c:342:2:
error: implicit declaration of function 'acpi_evaluate_integer' [-Werror=implicit-function-declaration]
status = acpi_evaluate_integer(handle, "_HRV", NULL, &hrv);
^
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Protect the dev member assignment in ->remove() since user may potentially call
unbind from a sysfs even if the driver is built-in. The latter might be racy
with ongoing SCU communication.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Eliminate some boilerplate code by using module_pci_driver() instead of
init/exit, moving the salient bits from init into probe.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Switch the code to use struct device * instead of struct pci_dev * since there
is no reason to access PCI related features in the driver.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
As much as possible propagate a pointer to struct intel_scu_ipc_dev.
There is no functional change.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
The error handling is broken right now since it leaves resources unfreed.
Convert the code to use managed resources to fix the error handling.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
These are not implementations of default architecture code but helpers
for drivers. Move them to the place they belong to.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Darren Hart <dvhart@linux.intel.com>
Acked-by: Hitoshi Mitake <mitake.hitoshi@lab.ntt.co.jp>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The macros KELVIN_TO_CELSIUS and CELSIUS_TO_KELVIN actually convert
between deciKelvins and Celsius, so rename them to reflect that. While
at it, use a statement expression in DECI_KELVIN_TO_CELSIUS to prevent
expanding the argument multiple times and get rid of a few casts.
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Acked-by: Darren Hart <dvhart@linux.intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Since v3.0 kernel, acer-wmi driver auto detects internal 3G device and
provides the threeg rfkill interface. So the sysfs interface of 3G is
no longer necessary now.
The 7b8aca65 patch added kernel information log to remind to user space
for the threeg sysfs interface will be removed in 2012, then b58b9ffc patch
updated the interface removing time to 2014.
I think the 3 years lead time is enough for user space application to use
rfkill instead of sysfs interface to control 3G device.
This patch removes code about threeg sysfs interface. And it also removes the
unused interface sysfs that exposes which ACPI-WMI method used by acer-wmi
driver on the machine. The information is already exposed by the acer-wmi
initial log.
Cc: Carlos Corbacho <carlos@strangeworlds.co.uk>
Cc: Matthew Garrett <mjg59@srcf.ucam.org>
Cc: Dmitry Torokhov <dtor@mail.ru>
Cc: Corentin Chary <corentincj@iksaif.net>
Cc: Martin Kepplinger <martink@posteo.de>
Cc: Darren Hart <dvhart@infradead.org>
Signed-off-by: Lee, Chun-Yi <jlee@suse.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Toshiba laptops that feature WMI events for hotkeys were left unsupported
by the toshiba_acpi driver, however, commit a88bc06e5a ("toshiba_acpi:
Avoid registering input device on WMI event laptops") added hardware
support for such laptops, but the hotkeys are not handled there.
This driver adds support for hotkey monitoring on certain Toshiba laptops
that manage the hotkeys via WMI events instead of the Toshiba
Configuration Interface (TCI).
The toshiba_acpi driver and this one can co-exist, as this only takes
care of hotkeys, while the proper takes care of hardware related stuff.
Currently the driver is under the EXPERIMENTAL flag, as the keymap
and the notify function are incomplete (due to lack of hardware to test).
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
sony_nv_hotkeys_decode can return a negative value. real_ev is a u32 variable.
The check for real_ev > 0 is incorrect.
Use an intermediate ret variable.
The problem has been detected using proposed semantic patch
scripts/coccinelle/tests/assign_signed_to_unsigned.cocci [1].
[1]: http://permalink.gmane.org/gmane.linux.kernel/2046107
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
[dvhart: clarify commit msg, drop superfluous else block]
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
The IRQF_NO_SUSPEND flag is used to identify the interrupts that should
be left enabled so as to allow them to work as expected during the
suspend-resume cycle, but doesn't guarantee that it will wake the system
from a suspended state, enable_irq_wake is recommended to be used for
the wakeup.
This patch removes the use of IRQF_NO_SUSPEND flags and uses newly
introduce PM wakeup APIs dev_pm_{set,clear}_wake_irq.
Cc: Darren Hart <dvhart@infradead.org>
Cc: platform-driver-x86@vger.kernel.org
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Add charge control limit to the power supply subsystem of the Compal
platform driver.
This apparently was present in the original driver by Cezary Jackiewicz
at http://eko.one.pl/index.php?page=compal-laptop but it seems to have been
overlooked.
The Kconfig description is updated to reflect this addition. It now also
mentions the hwmon interface that was already present.
Signed-off-by: Roald Frederickx <roald.frederickx@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Afters suspend/resume cycle with closed lid the kbd backlight level
is lost. This patch will will restore this value to last known level.
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
The function toshiba_acpi_setup_keyboard currently has two u32 variables
used to store the Hotkey Event Type and the result of the HCI_SYSTEM_EVENT
query.
This patch removes those two variables, as we already have a global
variable named "hotkey_event_type" and the result of the HCI_SYSTEM_EVENT
query can be checked directly from the function.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
This patch adds the 0x prefix to the values printed by such function, the
values are already being printed in hex, but without the prefix, causing
confusion, even though the file under Documentation/ABI clearly states
that hey are hex values.
Simply add the 0x prefix to avoid such confusion.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
The driver currently uses the hotkey enabling value of 0x09 to enable
hotkey events, but windows uses a different value (0x01).
All Toshiba laptops accept the following "hotkey" parameters:
0x01 - Enable hotkey and system events.
0x03 - Enable system events only.
0x09 - Enable hotkey events only.
0x0b - Disable (hotkey and system) events.
This patch changes the default hotkey enabling value from 0x09 to 0x01,
enabling both the hotkey and system events.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Currently the driver has two functions enabling hotkeys support,
but these two functions can be merged into one.
This patch merges these two functions, moving some checks to the
*enable_hotkeys function, simplifying code in the process.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Fix an issue introduced by the previous major toshiba rework. Add a quirk.
Workaround a few platform specific firmware items. One cleanup to wmi I
inadvertently dropped from a previous pull request.
hp-wmi
- limit hotkey enable
toshiba_acpi:
- Fix hotkeys registration on some toshiba models
- Fix USB Sleep and Music always disabled
wmi:
- Remove private %pUL implementation
asus-nb-wmi:
- Add wapf=4 quirk for X456UA/X456UF
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Merge tag 'platform-drivers-x86-v4.3-2' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86
Pull x86 platform driver fixes from Darren Hart:
"Fix an issue introduced by the previous major toshiba rework. Add a
quirk. Workaround a few platform specific firmware items. One
cleanup to wmi I inadvertently dropped from a previous pull request.
Details:
hp-wmi:
- limit hotkey enable
toshiba_acpi:
- Fix hotkeys registration on some toshiba models
- Fix USB Sleep and Music always disabled
wmi:
- Remove private %pUL implementation
asus-nb-wmi:
- Add wapf=4 quirk for X456UA/X456UF"
* tag 'platform-drivers-x86-v4.3-2' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86:
hp-wmi: limit hotkey enable
toshiba_acpi: Fix hotkeys registration on some toshiba models
toshiba_acpi: Fix USB Sleep and Music always disabled
wmi: Remove private %pUL implementation
asus-nb-wmi: Add wapf=4 quirk for X456UA/X456UF
Do not write initialize magic on systems that do not have
feature query 0xb. Fixes Bug #82451.
Redefine FEATURE_QUERY to align with 0xb and FEATURE2 with 0xd
for code clearity.
Add a new test function, hp_wmi_bios_2008_later() & simplify
hp_wmi_bios_2009_later(), which fixes a bug in cases where
an improper value is returned. Probably also fixes Bug #69131.
Add missing __init tag.
Signed-off-by: Kyle Evans <kvans32@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Pull thermal updates from Zhang Rui:
- use int instead of unsigned long to represent temperature to avoid
bogus overheat detection when negative temperature reported. From
Sascha Hauer.
- export available thermal governors information to user space via
sysfs. From Wei Ni.
- introduce new thermal driver for Wildcat Point platform controller
hub, which uses PCH thermal sensor and associated critical and hot
trip points. From Tushar Dave.
- add suuport for Intel Skylake and Denlow platforms in powerclamp
driver.
- some small cleanups in thermal core.
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux:
thermal: Add Intel PCH thermal driver
thermal: Add comment explaining test for critical temperature
thermal: Use IS_ENABLED instead of #ifdef
thermal: remove unnecessary call to thermal_zone_device_set_polling
thermal: trivial: fix typo in comment
thermal: consistently use int for temperatures
thermal: add available policies sysfs attribute
thermal/powerclamp: add cpu id for denlow platform
thermal/powerclamp: add cpu id for Skylake u/y
thermal/powerclamp: add cpu id for skylake h/s
Commit a2b3471b5b ("toshiba_acpi: Use the Hotkey Event Type function
for keymap choosing") changed the *setup_keyboard function to query for
the Hotkey Event Type to help choose the correct keymap, but turns out
that here are certain Toshiba models out there not implementing this
feature, and thus, failing to continue the input device registration and
leaving such laptops without hotkey support.
This patch changes such check, and instead of returning an error if
the Hotkey Event Type is not present, we simply inform userspace about it,
changing the message printed from err to notice, making the function
responsible for registering the input device to continue.
This issue was found on a Toshiba Portege Z30-B, but there might be
some other models out there affected by this regression as well.
Cc: <stable@vger.kernel.org> # 4.1+
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Commit e1a949c1b9 ("toshiba_acpi: Refactor *{get, set} functions return
value") made changes on the return type of the HCI/SCI functions, but a
typo on the USB Sleep and Music code is always reporting non existent
support for such feature.
This patch corrects the typo, changing an assignment to a comparison,
making the laptops with actual support for such feature to work again.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
The work performed by wmi_gtoa is equivalent to simply sprintf(out,
"%pUL", in), so one could replace its body by this. However, most
users feed the result directly as a %s argument to some other function
which also understands the %p extensions (they all ultimately use
vsnprintf), so we can eliminate some stack buffers and quite a bit of
code by just using %pUL directly.
In wmi_dev_uevent I'm not sure whether there's room for a
nul-terminator in env->buf, so I've just replaced wmi_gtoa with the
equivalent sprintf call.
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Significant work on toshiba_acpi, including new hardware support,
refactoring, and cleanups. Extend device support for asus, ideapad, and
acer systems. New surface pro 3 buttons driver. Misc. minor cleanups for
thinkpad and hp-wireless.
acer-wmi:
- No rfkill on HP Omen 15 wifi
thinkpad_acpi
- Remove side effects from vdbg_printk -> no_printk macro
surface pro 3
- Add support driver for Surface Pro 3 buttons
hp-wireless
- remove unneeded goto/label in hpwl_init
ideapad-laptop
- add alternative representation for Yoga 2 to DMI table
- Add Lenovo Yoga 3 14 to no_hw_rfkill dmi list
asus-laptop
- Add key found on Asus F3M
MAINTAINERS
- Remove Toshiba Linux mailing list address
toshiba_acpi:
- Bump driver version to 0.23
- Remove unnecessary checks and returns in HCI/SCI functions
- Refactor *{get, set} functions return value
- Remove "*not supported" feature prints
- Change *available functions return type
- Add set_fan_status function
- Change some variables to avoid warnings from ninja-check
- Reorder toshiba_acpi_alt_keymap entries
- Remove unused wireless defines
- Transflective backlight updates
- Avoid registering input device on WMI event laptops
- Add /dev/toshiba_acpi device
- Adapt /proc/acpi/toshiba/keys to TOS1900 devices
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Merge tag 'platform-drivers-x86-v4.3-1' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86
Pull x86 platform driver updates from Darren Hart:
"Significant work on toshiba_acpi, including new hardware support,
refactoring, and cleanups. Extend device support for asus, ideapad,
and acer systems. New surface pro 3 buttons driver. Misc minor
cleanups for thinkpad and hp-wireless.
acer-wmi:
- No rfkill on HP Omen 15 wifi
thinkpad_acpi:
- Remove side effects from vdbg_printk -> no_printk macro
surface pro 3:
- Add support driver for Surface Pro 3 buttons
hp-wireless:
- remove unneeded goto/label in hpwl_init
ideapad-laptop:
- add alternative representation for Yoga 2 to DMI table
- Add Lenovo Yoga 3 14 to no_hw_rfkill dmi list
asus-laptop:
- Add key found on Asus F3M
MAINTAINERS:
- Remove Toshiba Linux mailing list address
toshiba_acpi:
- Bump driver version to 0.23
- Remove unnecessary checks and returns in HCI/SCI functions
- Refactor *{get, set} functions return value
- Remove "*not supported" feature prints
- Change *available functions return type
- Add set_fan_status function
- Change some variables to avoid warnings from ninja-check
- Reorder toshiba_acpi_alt_keymap entries
- Remove unused wireless defines
- Transflective backlight updates
- Avoid registering input device on WMI event laptops
- Add /dev/toshiba_acpi device
- Adapt /proc/acpi/toshiba/keys to TOS1900 devices"
* tag 'platform-drivers-x86-v4.3-1' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86: (21 commits)
acer-wmi: No rfkill on HP Omen 15 wifi
thinkpad_acpi: Remove side effects from vdbg_printk -> no_printk macro
surface pro 3: Add support driver for Surface Pro 3 buttons
hp-wireless: remove unneeded goto/label in hpwl_init
ideapad-laptop: add alternative representation for Yoga 2 to DMI table
asus-laptop: Add key found on Asus F3M
MAINTAINERS: Remove Toshiba Linux mailing list address
ideapad-laptop: Add Lenovo Yoga 3 14 to no_hw_rfkill dmi list
toshiba_acpi: Bump driver version to 0.23
toshiba_acpi: Remove unnecessary checks and returns in HCI/SCI functions
toshiba_acpi: Refactor *{get, set} functions return value
toshiba_acpi: Remove "*not supported" feature prints
toshiba_acpi: Change *available functions return type
toshiba_acpi: Add set_fan_status function
toshiba_acpi: Change some variables to avoid warnings from ninja-check
toshiba_acpi: Reorder toshiba_acpi_alt_keymap entries
toshiba_acpi: Remove unused wireless defines
toshiba_acpi: Transflective backlight updates
toshiba_acpi: Avoid registering input device on WMI event laptops
toshiba_acpi: Add /dev/toshiba_acpi device
...
These laptops boot with wifi as hard-blocked, with no obvious way to
enable it. Using a quirk to set wapf=4 solves the problem.
Signed-off-by: Daniel Drake <drake@endlessm.com>
Acked-by: Corentin Chary <corentin.chary@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
- New Clocksource driver from ST
- New MFD/ACPI/DMA drivers for Intel's Sunrisepoint PCH based platforms
- Add support for Arizona WM8998 and WM1814
- Add support for Dialog Semi DA9062 and DA9063
- Add support for Kontron COMe-bBL6 and COMe-cBW6
- Add support for X-Powers AXP152
- Add support for Atmel, many
- Add support for STMPE, many
- Add support for USB in X-Powers AXP22X
- Core Frameworks
- New Base API to traverse devices and their children in reverse order
- Bug Fixes
- Fix race between runtime-suspend and IRQs
- Obtain platform data form more reliable source
- Fix-ups
- Constifying things
- Variable signage changes
- Kconfig depends|selects changes
- Make use of BIT() macro
- Do not supply .owner attribute in *_driver structures
- MAINTAINERS entries
- Stop using set_irq_flags()
- Start using irq_set_chained_handler_and_data()
- Export DT device ID structures
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Merge tag 'mfd-for-linus-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"New Device Support:
- New Clocksource driver from ST
- New MFD/ACPI/DMA drivers for Intel's Sunrisepoint PCH based platforms
- Add support for Arizona WM8998 and WM1814
- Add support for Dialog Semi DA9062 and DA9063
- Add support for Kontron COMe-bBL6 and COMe-cBW6
- Add support for X-Powers AXP152
- Add support for Atmel, many
- Add support for STMPE, many
- Add support for USB in X-Powers AXP22X
Core Frameworks:
- New Base API to traverse devices and their children in reverse order
Bug Fixes:
- Fix race between runtime-suspend and IRQs
- Obtain platform data form more reliable source
Fix-ups:
- Constifying things
- Variable signage changes
- Kconfig depends|selects changes
- Make use of BIT() macro
- Do not supply .owner attribute in *_driver structures
- MAINTAINERS entries
- Stop using set_irq_flags()
- Start using irq_set_chained_handler_and_data()
- Export DT device ID structures"
* tag 'mfd-for-linus-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (69 commits)
mfd: jz4740-adc: Init mask cache in generic IRQ chip
mfd: cros_ec: spi: Add OF match table
mfd: stmpe: Add OF match table
mfd: max77686: Split out regulator part from the DT binding
mfd: Add DT binding for Maxim MAX77802 IC
mfd: max77686: Use a generic name for the PMIC node in the example
mfd: max77686: Don't suggest in binding to use a deprecated property
mfd: Add MFD_CROS_EC dependencies
mfd: cros_ec: Remove CROS_EC_PROTO dependency for SPI and I2C drivers
mfd: axp20x: Add a cell for the usb power_supply part of the axp20x PMICs
mfd: axp20x: Add missing registers, and mark more registers volatile
mfd: arizona: Fixup some formatting/white space errors
mfd: wm8994: Fix NULL pointer exception on missing pdata
of: Add vendor prefix for Nuvoton
mfd: mt6397: Implement wake handler and suspend/resume to handle wake up event
mfd: atmel-hlcdc: Add support for new SoCs
mfd: Export OF module alias information in missing drivers
mfd: stw481x: Export I2C module alias information
mfd: da9062: Support for the DA9063 OnKey in the DA9062 core
mfd: max899x: Avoid redundant irq_data lookup
...
Prevents acer-wmi from blocking wifi on HP Omen 15 laptops
Signed-off-by: Michael Powell <michael_powell@mentor.com>
[david.ward@ll.mit.edu: Resubmitted clean patch]
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
vdbg_printk when not using CONFIG_THINKPAD_ACPI_DEBUG uses
no_printk which produces no logging output but always
evaluates arguments.
Change the macro to surround the no_printk call with
do { if (0) no_printk(...); } while (0)
to avoid the unnecessary argument evaluations.
$ size drivers/platform/x86/thinkpad_acpi.o*
text data bss dec hex filename
60918 6184 824 67926 10956 drivers/platform/x86/thinkpad_acpi.o.new
60927 6184 824 67935 1095f drivers/platform/x86/thinkpad_acpi.o.old
Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Since Surface Pro 3 does not follow the specs of "Windows ACPI Design
Guide for SoC Platform", code in drivers/input/misc/soc_array.c can
not detect these buttons on it. According to bios implementation,
Surface Pro 3 encapsulates these buttons in a device named "VGBI",
with _HID "MSHW0028". When any of the buttons is pressed, a specify
ACPI notification code for this button will be delivered to "VGBI". For
example, if power button is pressed down, ACPI notification code of 0xc6
will be sent by Notify(VGBI, 0xc6).
This patch leverages "VGBI" to distinguish different ACPI notification
code from Power button, Home button, Volume button, then dispatches these
code to input layer. Lid is already covered by acpi button driver, so
there's no need to rewrite.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=84651
Tested-by: Ethan Schoonover <es@ethanschoonover.com>
Tested-by: Peter Amidon <psa.pub.0@picnicpark.org>
Tested-by: Donavan Lance <tusklahoma@gmail.com>
Tested-by: Stephen Just <stephenjust@gmail.com>
Signed-off-by: Chen Yu <yu.c.chen@intel.com>
[dvhart@linux.intel.com: Formatting corrections in MAINTAINERS and Intel (c)]
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
acpi_bus_register_driver() already returns an appropriate value (0 on
success, and some negative value on error) to be used in __init functions
so the goto/label is redundant in hpwl_init thus remove it and directly
return the value
Signed-off-by: Giedrius Statkevičius <giedrius.statkevicius@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Intel Sunrisepoint (Skylake PCH) has the iTCO watchdog accessible across
the SMBus, unlike previous generations of PCH/ICH where it was on the
LPC bus. Because it's on the SMBus, it doesn't make sense to pass around
a 'struct lpc_ich_info', and leaking the type of bus into the iTCO
watchdog driver is kind of backwards anyway.
This change introduces a new 'struct itco_wdt_platform_data' for use
inside the iTCO watchdog driver and by the upcoming Intel Sunrisepoint
code, which neatly avoids having to include lpc_ich headers in the i801
i2c driver.
This change is overdue because lpc_ich_info has already found its way
into other TCO watchdog users, notably the intel_pmc_ipc driver where
the watchdog actually isn't on the LPC bus as far as I can see.
A simple translation layer is provided for converting from the existing
'struct lpc_ich_info' inside the lpc_ich mfd driver.
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Acked-by: Darren Hart <dvhart@linux.intel.com> [drivers/x86 refactoring]
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Linus Torvalds