| Commit message (Collapse) | Author | Age | Files | Lines |
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Some Lenovo ideapad models do not have hardware rfkill switches, but
trying to read the rfkill switches through the ideapad-laptop module.
It caused to always reported blocking breaking wifi.
Fix it by adding those models to no_hw_rfkill_list.
Signed-off-by: Yang Jiaxun <yjx@flygoat.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Like other Lenovo models the IdeaPad V510-15IKB does not have an hw
rfkill switch. This results in hard-blocked radios after boot, resulting
in always blocked radios rendering them unusable.
Add the IdeaPad V510-15IKB to the no_hw_rfkill DMI list and allows using
the built-in radios.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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This adds a debugfs consumer for the exported kernel API
intel_pmc_read_s0ix_residency. This debugfs entry reads S0ix residency
directly from the PMC hardware counters.
TEST:
- echo freeze > /sys/power/state
- Wake the system, read the S0ix residency i.e.
cat /sys/kernel/debug/telemetry/s0ix_residency_usec
Signed-off-by: Shanth Murthy <shanth.murthy@intel.com>
Signed-off-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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There are bunch of "goto out;" paths where we don't set the error code.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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This fixes an oops found while testing load/unload of the
intel_telemetry_debugfs module. module_init uses register_pm_notifier
for PM callbacks, but unregister_pm_notifier was missing from
module_exit.
[ 97.481860] BUG: unable to handle kernel paging request at ffffffffa006f010
[ 97.489742] IP: blocking_notifier_chain_register+0x3a/0xa0
[ 97.495898] PGD 2e0a067
[ 97.495899] PUD 2e0b063
[ 97.498737] PMD 179e29067
[ 97.501573] PTE 0
[ 97.508423] Oops: 0000 1 PREEMPT SMP
[ 97.512724] Modules linked in: intel_telemetry_debugfs intel_rapl gpio_keys dwc3 udc_core intel_telemetry_pltdrv intel_punit_ipc intel_telemetry_core rtc_cmos efivars x86_pkg_temp_thermal iwlwifi snd_hda_codec_hdmi soc_button_array btusb cfg80211 btrtl mei_me hci_uart btbcm mei btintel i915 bluetooth intel_pmc_ipc snd_hda_intel spi_pxa2xx_platform snd_hda_codec dwc3_pci snd_hda_core tpm_tis tpm_tis_core tpm efivarfs
[ 97.558453] CPU: 0 PID: 889 Comm: modprobe Not tainted 4.11.0-rc6-intel-dev-bkc #1
[ 97.566950] Hardware name: Intel Corp. Joule DVT3/SDS, BIOS GTPP181A.X64.0143.B30.1701132137 01/13/2017
[ 97.577518] task: ffff8801793a21c0 task.stack: ffff8801793f0000
[ 97.584162] RIP: 0010:blocking_notifier_chain_register+0x3a/0xa0
[ 97.590903] RSP: 0018:ffff8801793f3c58 EFLAGS: 00010286
[ 97.596802] RAX: ffffffffa006f000 RBX: ffffffff81e3ea20 RCX: 0000000000000000
[ 97.604812] RDX: ffff880179eaf210 RSI: ffffffffa0131000 RDI: ffffffff81e3ea20
[ 97.612821] RBP: ffff8801793f3c68 R08: 0000000000000006 R09: 000000000000005c
[ 97.620847] R10: 0000000000000000 R11: 0000000000000006 R12: ffffffffa0131000
[ 97.628855] R13: 0000000000000000 R14: ffff880176e35f48 R15: ffff8801793f3ea8
[ 97.636865] FS: 00007f7eeba07700(0000) GS:ffff88017fc00000(0000) knlGS:0000000000000000
[ 97.645948] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 97.652423] CR2: ffffffffa006f010 CR3: 00000001775ef000 CR4: 00000000003406f0
[ 97.660423] Call Trace:
[ 97.663166] ? 0xffffffffa0031000
[ 97.666885] register_pm_notifier+0x18/0x20
[ 97.671581] telemetry_debugfs_init+0x92/0x1000
Signed-off-by: Priyalee Kushwaha <priyalee.kushwaha@intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/bleung/chrome-platform
Pull chrome platform updates from Benson Leung:
"Changes in this pull request are around catching up cros_ec with the
internal chromeos-kernel versions of cros_ec, cros_ec_lpc, and
cros_ec_lightbar.
Also, switching maintainership from olof to bleung"
* tag 'chrome-platform-for-linus-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/bleung/chrome-platform:
platform/chrome : Add myself as Maintainer
platform/chrome: cros_ec_lightbar - hide unused PM functions
cros_ec: Don't signal wake event for non-wake host events
cros_ec: Fix deadlock when EC is not responsive at probe
cros_ec: Don't return error when checking command version
platform/chrome: cros_ec_lightbar - Avoid I2C xfer to EC during suspend
platform/chrome: cros_ec_lightbar - Add userspace lightbar control bit to EC
platform/chrome: cros_ec_lightbar - Control of suspend/resume lightbar sequence
platform/chrome: cros_ec_lightbar - Add lightbar program feature to sysfs
platform/chrome: cros_ec_lpc: Add MKBP events support over ACPI
platform/chrome: cros_ec_lpc: Add power management ops
platform/chrome: cros_ec_lpc: Add support for GOOG004 ACPI device
platform/chrome: cros_ec_lpc: Add support for mec1322 EC
platform/chrome: cros_ec_lpc: Add R/W helpers to LPC protocol variants
mfd: cros_ec: Add support for dumping panic information
cros_ec_debugfs: Pass proper struct sizes to cros_ec_cmd_xfer()
mfd: cros_ec: add debugfs, console log file
mfd: cros_ec: Add EC console read structures definitions
mfd: cros_ec: Add helper for event notifier.
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The only reference to the new functions is inside of an #ifdef,
which now causes a harmless warning when CONFIG_PM_SLEEP is not set:
chrome/cros_ec_dev.c:478:12: error: 'ec_device_resume' defined but not used [-Werror=unused-function]
chrome/cros_ec_dev.c:469:12: error: 'ec_device_suspend' defined but not used [-Werror=unused-function]
This marks the two functions as __maybe_unused so they can get
silently dropped by the compiler.
Fixes: 405c84308c43 ("platform/chrome: cros_ec_lightbar - Control of suspend/resume lightbar sequence")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Benson Leung <bleung@chromium.org>
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The subset of wake-enabled host events is defined by the EC, but the EC
may still send non-wake host events if we're in the process of
suspending. Get the mask of wake-enabled host events from the EC and
filter out non-wake events to prevent spurious aborted suspend
attempts.
Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org>
Signed-off-by: Thierry Escande <thierry.escande@collabora.com>
Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Benson Leung <bleung@chromium.org>
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When the EC is not responsive at probe, we try to get basic information
(protocol to use) later on through cros_xfer_cmd() call.
This patch makes sure there is no deadlock when re-probing the EC by
replacing call to cros_xfer_cmd() with send_command() in the function
cros_ec_get_host_command_version_mask(). Also, this patch adds the
function header indicating it must be called protected.
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Signed-off-by: Thierry Escande <thierry.escande@collabora.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
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With this patch, cros_ec_query_all() does not return an error if it
fails to check for MKBP events support. Instead, the EC device structure
indicates that it does not support MKBP events (mkbp_event_supported
field) and cros_ec_query_all() returns 0.
Signed-off-by: Thierry Escande <thierry.escande@collabora.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
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A Mutex lock in cros_ec_cmd_xfer which may be held by frozen
Userspace thread during system suspending. So should not
call this routine in suspend thread.
Signed-off-by: Jeffery Yu <jefferyy@nvidia.com>
Signed-off-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
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Some devices might want to turn off the lightbar if e.g. the
system turns the screen off due to idleness. This prevents the
kernel from going through its normal suspend/resume pathways.
Signed-off-by: Eric Caruso <ejcaruso@chromium.org>
Signed-off-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
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Don't let EC control suspend/resume sequence. If the EC controls the
lightbar and sets the sequence when it notices the chipset transitioning
between states, we can't make exceptions for cases where we don't want
to activate the lightbar. Instead, let's move the suspend/resume
notifications into the kernel so we can selectively play the sequences.
Signed-off-by: Eric Caruso <ejcaruso@chromium.org>
Signed-off-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Benson Leung <bleung@chromium.org>
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Add a program feature so we can upload and run programs for lightbar
sequences. We should be able to use this to shift sequences out of the
EC and save space there.
$ cat <suitable program bin> > /sys/devices/.../cros_ec/program
$ echo program > /sys/devices/.../cros_ec/sequence
Signed-off-by: Eric Caruso <ejcaruso@chromium.org>
Signed-off-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Benson Leung <bleung@chromium.org>
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This patch installs a notify handler to process MKBP events for EC
firmware directing them over ACPI.
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Signed-off-by: Thierry Escande <thierry.escande@collabora.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
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This patch adds suspend and resume pm ops to the LPC ChromeOS EC driver.
These LPC handlers call the croc_ec generic handlers.
Signed-off-by: Archana Patni <archana.patni@intel.com>
Signed-off-by: Thierry Escande <thierry.escande@collabora.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
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This patch removes platform_device_register() call and adds an ACPI
device id structure. The driver is now automatically probed for devices
with a GOOG0004 ACPI entry.
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Signed-off-by: Thierry Escande <thierry.escande@collabora.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
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This adds support for the ChromeOS LPC Microchip Embedded Controller
(mec1322) variant.
mec1322 accesses I/O region [800h, 9ffh] through embedded memory
interface (EMI) rather than LPC.
Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org>
Signed-off-by: Thierry Escande <thierry.escande@collabora.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Benson Leung <bleung@chromium.org>
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Call common functions for read / write to prepare support for future
LPC protocol variants which use different I/O ops than inb / outb.
Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org>
Signed-off-by: Thierry Escande <thierry.escande@collabora.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Benson Leung <bleung@chromium.org>
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This dumps the EC panic information from the previous reboot.
Similar to the information presented by ectool panicinfo, except
that we do not bother doing any parsing (we should write a small
offline tool for that).
Signed-off-by: Nicolas Boichat <drinkcat@chromium.org>
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Tested-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
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We should output or receive every byte in the param / reply struct,
unrelated to the pointer size.
Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org>
Reviewed-by: Gwendal Grignou <gwendal@chromium.org>
[bleung: Picked from crosreview.com/444085 for cros_ec_debugfs.c only.
cros_ec.c upstream had a different cros_ec_sleep_event which didn't
have the sizeof issue]
Signed-off-by: Benson Leung <bleung@chromium.org>
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If the EC supports the new CONSOLE_READ command type, then we
place a console_log file in debugfs for that EC device which allows
us to grab EC logs. The kernel will poll every 10 seconds for the
log and keep its own buffer, but userspace should grab this and
write it out to some logs which actually get rotated.
Signed-off-by: Eric Caruso <ejcaruso@chromium.org>
Signed-off-by: Nicolas Boichat <drinkcat@chromium.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Tested-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
[bleung: restored original version of this commit, with pointer size
issue to be fixed in next commit]
Signed-off-by: Benson Leung <bleung@chromium.org>
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Add cros_ec_get_event() entry point to retrieve event within functions
called by the notifier.
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Benson Leung <bleung@chromium.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"New Drivers:
- Intel Cherry Trail Whiskey Cove PMIC
- TI LP87565 PMIC
New Device Support:
- Add support for Cannonlake to intel-lpss-pci
- Add support for Simatic IOT2000 to intel_quark_i2c_gpio
New Functionality:
- Add Regulator support (axp20x)
Fix-ups:
- Rework IRQ handling (intel_soc_pmic_bxtwc, rtsx_pcr, cros_ec)
- Remove unused/unwelcome code (ipaq-micro, wm831x-core, da9062-core)
- Provide deregistration on unbind (rn5t618)
- Rework DT code/documentation (arizona)
- Constify things (fsl-imx25-tsadc)
- MAINTAINERS updates (DA9062/61)
- Kconfig configuration adaptions (INTEL_SOC_PMIC, MFD_AXP20X_I2C)
- Switch to DMI matching (intel_quark_i2c_gpio)
- Provide an appropriate level of error checking (wm831x-{i2c,spi},
twl4030-irq, tc6393xb)
- Make use of devm_* (resource handling) calls (intel_soc_pmic_bxtwc,
stm32-timers, atmel-flexcom, cros_ec, fsl-imx25-tsadc,
exynos-lpass, palmas, qcom-spmi-pmic, smsc-ece1099,
motorola-cpcap)"
[ Skipped the last commit in that series that added eight thousand
lines of pointless repeated register definitions. - Linus ]
* tag 'mfd-next-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (38 commits)
mfd: Add LP87565 PMIC support
mfd: cros_ec: Free IRQ on exit
dt-bindings: vendor-prefixes: Add arctic to vendor prefix
mfd: da9061: Fix to remove BBAT_CONT register from chip model
mfd: da9061: Fix to remove BBAT_CONT register from chip model
mfd: axp20x-i2c: Document that this must be builtin on x86
mfd: Add Cherry Trail Whiskey Cove PMIC driver
mfd: tc6393xb: Handle return value of clk_prepare_enable
mfd: intel_quark_i2c_gpio: Add support for SIMATIC IOT2000 platform
mfd: intel_quark_i2c_gpio: Use dmi_system_id table for retrieving frequency
mfd: motorola-cpcap: Use devm_of_platform_populate()
mfd: smsc-ece: Use devm_of_platform_populate()
mfd: qcom-spmi-pmic: Use devm_of_platform_populate()
mfd: palmas: Use devm_of_platform_populate()
mfd: exynos: Use devm_of_platform_populate()
mfd: fsl-imx25: Use devm_of_platform_populate()
mfd: cros_ec: Use devm_of_platform_populate()
mfd: atmel: Use devm_of_platform_populate()
mfd: stm32-timers: Use devm_of_platform_populate()
mfd: intel_soc_pmic: Select designware i2c-bus driver
...
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Currently in WCOVE PMIC MFD driver, all second level IRQ chips
are chained to the respective first level IRQs. So there is no
need for explicitly unmasking the first level IRQ in this
driver. This patches removes this level 1 IRQ unmask support.
Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Reviewed-by: Darren Hart (VMware) <dvhart@infradead.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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git://git.infradead.org/linux-platform-drivers-x86
Pull x86 platform driver updates from Darren Hart:
"Introduce new bus architecture for WMI and expose BMOF data through
sysfs. Correct several assumptions about WMI instance number from 1 to
0. Further fujitsu-laptop cleanups, continuing to prepare for
separation into two modules. Add support for several new ideapad
laptops and silead-based tablets. Various minor fixes and const
cleanups.
Detail summary:
sony-laptop:
- constify attribute_group and input index array
fujitsu-laptop:
- rework debugging
- do not evaluate ACPI _INI methods
- do not update ACPI device power status
- sanitize hotkey input device identification
- use strcpy to set ACPI device names and classes
- remove redundant safety checks
- use device-specific data in remaining module code
- use device-specific data in LED-related code
- explicitly pass ACPI device to call_fext_func()
- track the last instantiated FUJ02E3 ACPI device
- allocate fujitsu_laptop in acpi_fujitsu_laptop_add()
- use device-specific data in backlight code
- allocate fujitsu_bl in acpi_fujitsu_bl_add()
- distinguish current uses of device-specific data
msi-laptop:
- constify msipf*_attribute_group
eeepc-laptop:
- constify platform_attribute_group
toshiba_haps:
- constify haps_attr_group
dell-wmi-led:
- Adjust instance of wmi_evaluate_method calls to 0
alienware-wmi:
- Adjust instance of wmi_evaluate_method calls to 0
intel_menlow:
- Add const to thermal_cooling_device_ops structure
acerhdf:
- Add const to thermal_cooling_device_ops structure
dell-laptop:
- Fix bogus keyboard backlight sysfs interface
acer-wmi:
- Using zero as first WMI instance number
- Detect RF Button capability
ideapad-laptop:
- Add Y720-15IKBN to no_hw_rfkill
- Add Y520-15IKBN to no_hw_rfkill
- constify rfkill_ops structure
- Squelch ACPI event 1
- hide unused 'touchpad_store'
- Switch touchpad attribute to be RO
- Add sysfs interface for touchpad state
silead_dmi:
- Add touchscreen info for PoV mobii wintab p800w
- Add touchscreen info for Pipo W2S tablet
- Add touchscreen info for GP-electronic T701
dell-rbtn:
- constify rfkill_ops structures
- Improve explanation about DELLABC6
samsung-laptop:
- constify rfkill_ops structures
panasonic-laptop:
- remove unused code
samsung-laptop:
- Initialize loca variable
dell-wmi:
- Convert to the WMI bus infrastructure
- Add a better description for "stealth mode"
- Add a comment explaining the 0xb2 magic number
wmi-bmof:
- New driver to expose embedded Binary WMI MOF metadata
wmi*:
- Fix printing info about WDG structure
- Add recent copyright statements
- Require query for data blocks, rename writable to setable
- Add an interface for subdrivers to access sibling devices
- Bind the platform device, not the ACPI node
- Add a new interface to read block data
- Incorporate acpi_install_notify_handler
- Instantiate all devices before adding them
- Probe data objects for read and write capabilities
- Split devices into types and add basic sysfs attributes
- Fix error handling when creating devices
- Turn WMI into a bus driver
- Track wmi devices per ACPI device
- Clean up acpi_wmi_add
- Pass the acpi_device through to parse_wdg
- Drop "Mapper (un)loaded" messages
intel_cht_int33fe:
- Set supplied-from property on max17047 dev
intel_pmc_ipc:
- Mark ipc_data_readb() as __maybe_unused
topstar-laptop:
- Add new device id
peaq-wmi:
- Add new peaq-wmi driver
thinkpad_acpi:
- Add a comment about 0 in module_param_call()
- Join string literals back
toshiba_acpi:
- use memdup_user_nul"
* tag 'platform-drivers-x86-v4.13-1' of git://git.infradead.org/linux-platform-drivers-x86: (67 commits)
platform/x86: sony-laptop: constify attribute_group and input index array
platform/x86: fujitsu-laptop: rework debugging
platform/x86: fujitsu-laptop: do not evaluate ACPI _INI methods
platform/x86: fujitsu-laptop: do not update ACPI device power status
platform/x86: fujitsu-laptop: sanitize hotkey input device identification
platform/x86: fujitsu-laptop: use strcpy to set ACPI device names and classes
platform/x86: fujitsu-laptop: remove redundant safety checks
platform/x86: msi-laptop: constify msipf*_attribute_group
platform/x86: eeepc-laptop: constify platform_attribute_group
platform/x86: toshiba_haps: constify haps_attr_group
platform/x86: dell-wmi-led: Adjust instance of wmi_evaluate_method calls to 0
platform/x86: alienware-wmi: Adjust instance of wmi_evaluate_method calls to 0
platform/x86: intel_menlow: Add const to thermal_cooling_device_ops structure
platform/x86: acerhdf: Add const to thermal_cooling_device_ops structure
platform/x86: dell-laptop: Fix bogus keyboard backlight sysfs interface
platform/x86: acer-wmi: Using zero as first WMI instance number
platform/x86: ideapad-laptop: Add Y720-15IKBN to no_hw_rfkill
platform/x86: ideapad-laptop: Add Y520-15IKBN to no_hw_rfkill
platform/x86: silead_dmi: Add touchscreen info for PoV mobii wintab p800w
platform/x86: silead_dmi: Add touchscreen info for Pipo W2S tablet
...
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attribute_groups are not supposed to change at runtime. All functions
working with attribute_groups provided by <linux/sysfs.h> work with const
attribute_group.
The content of sony_laptop_input_index does not change and is declared
as a static global array.
Constify spic_attribute_group and sony_laptop_input_index.
File size before:
text data bss dec hex filename
31273 5176 372 36821 8fd5 drivers/platform/x86/sony-laptop.o
File size After adding 'const':
text data bss dec hex filename
31337 5112 372 36821 8fd5 drivers/platform/x86/sony-laptop.o
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
[dvhart: updated commit message, includes fix suggested by Arnd Bergmann]
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
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Using a dedicated Kconfig option for enabling debugging means the user
may be forced to recompile their kernel in order to gather debugging
information, which is inconvenient. Replace custom debugging
infrastructure with standard logging functions, taking advantage of
dynamic debug. Replace a pr_info() call inside an ACPI callback with an
acpi_handle_info() call.
The following mapping was used:
- FUJLAPTOP_DBG_ERROR -> acpi_handle_err()
- FUJLAPTOP_DBG_WARN -> acpi_handle_info() / dev_info()
- FUJLAPTOP_DBG_INFO -> acpi_handle_debug()
- FUJLAPTOP_DBG_TRACE -> acpi_handle_debug() / dev_dbg()
This means that some events which used to only be logged when the user
explicitly requested it will now be logged by default:
- ACPI method evaluation errors,
- unknown ACPI notification codes,
- unknown hotkey scancodes.
The first type of events should happen rarely, if ever at all. The rest
is interesting from driver development perspective as their presence in
the logs will mean the driver is unaware of certain events, handling of
which should be implemented.
Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Reviewed-by: Jonathan Woithe <jwoithe@just42.net>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
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acpi_ns_initialize_devices(), which is called during system-wide ACPI
initialization, already detects and calls all _INI methods belonging to
objects present in ACPI tables. There is no need to call these methods
again every time the module is loaded because they only initialize
status flags and hotkey-related variables; status flags are effectively
constants, hotkey-related variables may be assigned non-zero values
before acpi_fujitsu_laptop_add() is called, but that does not really
matter as we drain the scancodes queued in the firmware's ring buffer
before doing anything else.
Remove sections of code which invoke and check evaluation status of the
_INI methods belonging to the ACPI devices handled by the driver.
Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Reviewed-by: Jonathan Woithe <jwoithe@just42.net>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
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Calling acpi_bus_update_power() for ACPI devices FUJ02B1 and FUJ02E3 is
pointless as they are not power manageable (neither _PS0 nor _PR0 is
defined for any of them), which causes their power state to be inherited
from their parent devices. Given the ACPI paths of these two devices
(\_SB.PCI0.LPCB.FJEX, \_SB.FEXT), their parent devices are also not
power manageable. These parent devices will thus have their power state
initialized to ACPI_STATE_D0, which in turn causes the power state for
both FUJ02B1 and FUJ02E3 to always be ACPI_STATE_D0 ("on").
Remove relevant acpi_bus_update_power() calls along with parts of debug
messages that they were supposed to have an effect on.
Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Reviewed-by: Jonathan Woithe <jwoithe@just42.net>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
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In the case of brightness-related FUJ02B1 ACPI device, initializing the
input device associated with it identically as acpi-video initializes
its input device makes sense. However, using the same data for the
input device associated with the FUJ02E3 ACPI device makes little sense,
because the latter has nothing to do with video and assigning an
arbitrary product ID to it is redundant.
Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Reviewed-by: Jonathan Woithe <jwoithe@just42.net>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
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No formatting is needed when setting ACPI device name and class, so
switch to using strcpy() for this purpose.
Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Reviewed-by: Jonathan Woithe <jwoithe@just42.net>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
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Do not check whether the pointer passed to ACPI add callbacks is NULL as
it is earlier dereferenced anyway in the bus-level probe callback,
acpi_device_probe().
Do not check the value of acpi_disabled in fujitsu_init(), because it is
already done by acpi_bus_register_driver(), which is the first function
called by fujitsu_init().
Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Reviewed-by: Jonathan Woithe <jwoithe@just42.net>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
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File size before:
text data bss dec hex filename
5396 5016 85 10497 2901 drivers/platform/x86/msi-laptop.o
File size After adding 'const':
text data bss dec hex filename
5524 4888 85 10497 2901 drivers/platform/x86/msi-laptop.o
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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File size before:
text data bss dec hex filename
9934 1136 2 11072 2b40 drivers/platform/x86/eeepc-laptop.o
File size After adding 'const':
text data bss dec hex filename
9998 1072 2 11072 2b40 drivers/platform/x86/eeepc-laptop.o
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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File size before:
text data bss dec hex filename
1471 528 8 2007 7d7 drivers/platform/x86/toshiba_haps.o
File size After adding 'const':
text data bss dec hex filename
1519 464 8 1991 7c7 drivers/platform/x86/toshiba_haps.o
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Pali recently noticed that WMI instances are zero indexed.
The only reason that these calls all worked properly is because the ASL
didn't verify the instance number.
Signed-off-by: Louis Davis <louis.davis@dell.com>
Signed-off-by: Mario Limonciello <mario.limonciello@dell.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
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Pali recently noticed that WMI instances are zero indexed.
The only reason that these calls all worked properly is because the ASL
didn't verify the instance number.
Signed-off-by: Mario Limonciello <mario.limonciello@dell.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
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Declare thermal_cooling_device_ops structure as const as it is only passed
as an argument to the function thermal_cooling_device_register and this
argument is of type const. So, declare the structure as const.
Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
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Declare thermal_cooling_device_ops structure as const as it is only passed
as an argument to the function thermal_cooling_device_register and this
argument is of type const. So, declare the structure as const.
Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
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Dell Latitude 3160 does not have keyboard backlight, but there is a
sysfs interface for it, which does nothing at all.
KBD_LED_ON_TOKEN is the only token can be found. Since it doesn't have
KBD_LED_OFF_TOKEN or KBD_LED_AUTO_*_TOKEN, it should be safe to assume
at least two tokens should be present to support keyboard backlight.
Not all models have ON token - they may have multiple AUTO tokens instead.
Models which do not use SMBIOS token to control keyboard backlight, also
have this issue. Brightness level is 0 on these models. Verified on Dell
Inspiron 3565.
Reports keyboard backlight is supported only when at least two modes are
present.
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Pali Rohár found that there have some wmi query/evaluation
code that they used 'one' as the first WMI instance number.
But the number is indexed from zero that it's must less than
the instance_count in _WDG.
This patch changes those instance number from one to zero.
Cc: Darren Hart <dvhart@infradead.org>
Cc: Andy Shevchenko <andy@infradead.org>
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: "Lee, Chun-Yi" <jlee@suse.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Lenovo Legion Y720-15IKBN is yet another Lenovo model that does not
have an hw rfkill switch, resulting in wifi always reported as hard
blocked.
Add the model to the list of models without rfkill switch.
Signed-off-by: Olle Liljenzin <olle@liljenzin.se>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Lenovo Legion Y520-15IKBN is yet another Lenovo model that does not
have an hw rfkill switch, resulting in wifi always reported as hard
blocked.
Add the model to the list of models without rfkill switch.
Signed-off-by: Olle Liljenzin <olle@liljenzin.se>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Add touchscreen info for the Point of View mobii wintab p800w tablet.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
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Add touchscreen info for Pipo W2S tablet.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
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object_id and notify_id are in one union structure and their meaning is
defined by flags. Therefore do not print notify_id for non-event block and
do not print object_id for event block. Remove also reserved member as it
does not have any defined meaning or type yet.
As object_id and notify_id union members overlaps and have different types,
it caused that kernel print to dmesg binary data. This patch eliminates it.
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
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Add const to rfkill_ops structures that are only passed as an argument
to the functions rfkill_alloc or samsung_new_rfkill. These arguments are
of type const, so such structures can be annotated with const.
Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Add const to rfkill_ops structure as it is only passed as an argument
to the functions rfkill_alloc. This argument is of type const,
so annotate the structure with const.
Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Add const to rfkill_ops structures that are only passed as an argument
to the functions rfkill_alloc or samsung_new_rfkill. These arguments are
of type const, so such structures can be annotated with const.
Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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