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2016-05-27Merge tag 'platform-drivers-x86-v4.7-1' of ↵Linus Torvalds15-52/+482
git://git.infradead.org/users/dvhart/linux-platform-drivers-x86 Pull x86 platform driver updates from Darren Hart: "Mostly minor updates and cleanups. One new power management controller driver for Intel Core SoCs. platform/x86: - Add PMC Driver for Intel Core SoC dell-rbtn: - Ignore ACPI notifications if device is suspended thinkpad_acpi: - save kbdlight state on suspend and restore it on resume intel_menlow: - reduce code duplication asus-wmi: - provide access to ALS control ideapad-laptop: - add a new WMI string for ESC key surfacepro3_button: - Add a warning when switching to tablet mode sony-laptop: - Avoid oops on module unload for older laptops intel_telemetry: - Constify telemetry_core_ops structures fujitsu-laptop: - Use IS_ENABLED() instead of checking for built-in or module asus-laptop: - correct error handling in sysfs_acpi_set - remove redundant initializers - correct error handling in asus_read_brightness() fujitsu-laptop: - Support radio LED" * tag 'platform-drivers-x86-v4.7-1' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86: platform/x86: Add PMC Driver for Intel Core SoC dell-rbtn: Ignore ACPI notifications if device is suspended thinkpad_acpi: save kbdlight state on suspend and restore it on resume intel_menlow: reduce code duplication asus-wmi: provide access to ALS control ideapad-laptop: add a new WMI string for ESC key surfacepro3_button: Add a warning when switching to tablet mode sony-laptop: Avoid oops on module unload for older laptops intel_telemetry: Constify telemetry_core_ops structures fujitsu-laptop: Use IS_ENABLED() instead of checking for built-in or module asus-laptop: correct error handling in sysfs_acpi_set asus-laptop: remove redundant initializers asus-laptop: correct error handling in asus_read_brightness() fujitsu-laptop: Support radio LED
2016-05-27platform/x86: Add PMC Driver for Intel Core SoCRajneesh Bhardwaj4-0/+264
This patch adds the Power Management Controller driver as a PCI driver for Intel Core SoC architecture. This driver can utilize debugging capabilities and supported features as exposed by the Power Management Controller. Please refer to the below specification for more details on PMC features. http://www.intel.in/content/www/in/en/chipsets/100-series-chipset-datasheet-vol-2.html The current version of this driver exposes SLP_S0_RESIDENCY counter. This counter can be used for detecting fragile SLP_S0 signal related failures and take corrective actions when PCH SLP_S0 signal is not asserted after kernel freeze as part of suspend to idle flow (echo freeze > /sys/power/state). Intel Platform Controller Hub (PCH) asserts SLP_S0 signal when it detects favorable conditions to enter its low power mode. As a pre-requisite the SoC should be in deepest possible Package C-State and devices should be in low power mode. For example, on Skylake SoC the deepest Package C-State is Package C10 or PC10. Suspend to idle flow generally leads to PC10 state but PC10 state may not be sufficient for realizing the platform wide power potential which SLP_S0 signal assertion can provide. SLP_S0 signal is often connected to the Embedded Controller (EC) and the Power Management IC (PMIC) for other platform power management related optimizations. In general, SLP_S0 assertion == PC10 + PCH low power mode + ModPhy Lanes power gated + PLL Idle. As part of this driver, a mechanism to read the SLP_S0_RESIDENCY is exposed as an API and also debugfs features are added to indicate SLP_S0 signal assertion residency in microseconds. echo freeze > /sys/power/state wake the system cat /sys/kernel/debug/pmc_core/slp_s0_residency_usec Signed-off-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@intel.com> Signed-off-by: Vishwanath Somayaji <vishwanath.somayaji@intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-05-27dell-rbtn: Ignore ACPI notifications if device is suspendedGabriele Mazzotta1-0/+56
Some BIOSes unconditionally send an ACPI notification to RBTN when the system is resuming from suspend. This makes dell-rbtn send an input event to userspace as if a function key was pressed. Prevent this by ignoring all the notifications received while the device is suspended. Link: https://bugzilla.kernel.org/show_bug.cgi?id=106031 Signed-off-by: Gabriele Mazzotta <gabriele.mzt@gmail.com> Tested-by: Alex Hung <alex.hung@canonical.com> Reviewed-by: Pali Rohár <pali.rohar@gmail.com> Cc: stable@vger.kernel.org Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-05-27thinkpad_acpi: save kbdlight state on suspend and restore it on resumeMarco Trevisan (Treviño)1-3/+40
Override default LED class suspend/resume handles, by keeping track of the brightness level before suspending so that it can be automatically restored on resume by calling default resume handler. Signed-off-by: Marco Trevisan (Treviño) <mail@3v1n0.net> Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-05-27intel_menlow: reduce code duplicationRasmus Villemoes1-27/+22
aux0_show and aux1_show consists of almost identical code. Pull that into a common helper and make them thin wrappers. Similarly for _store. Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-05-27asus-wmi: provide access to ALS controlOleksij Rempel1-0/+5
Asus Zenbook ux31a is providing ACPI0008 interface for ALS (Ambient Light Sensor), which is accessible for OS => Win 7. This sensor can be used with iio/acpi-als driver. Since it is disabled by default, we should use asus-wmi interface to enable it. Signed-off-by: Oleksij Rempel <linux@rempel-privat.de> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-05-27ideapad-laptop: add a new WMI string for ESC keyArnd Bergmann1-3/+16
My patch to the ideapad-laptop driver to get the ESC key working on the Yoga 1170 (Yoga 3) failed to do the same for the following model, the Lenovo Yoga 700. Denis Gordienko managed to get it working by adding another GUID for the new WMI interface. I have adapted his patch to normal coding style and simplified it a bit for inclusion, but this patch is currently untested. Link: https://forums.lenovo.com/t5/Lenovo-Yoga-Series-Notebooks/YOGA-3-14-How-to-reclaim-my-Esc-key-and-permanently-disable/m-p/3317499 Signed-off-by: Arnd Bergmann <arnd@arndb.de> Tested-by: Denis Gordienko <denis.gordienko.mail@gmail.com> [dvhart: Whitespace cleanup, static const char *const array declaration] Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-05-27surfacepro3_button: Add a warning when switching to tablet modeAndy Shevchenko1-2/+7
Microsoft Surface Book has a tablet mode button. Print another message once on this event instead of repeating "Unknown event...". Unfortunately, proper support involves the _DSM method, which is not a discoverable interface. Just print a warning for now. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-05-20drivers/platform/x86/wmi.c: use generic UUID libraryAndy Shevchenko1-91/+13
Instead of opencoding let's use generic UUID library functions here. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Darren Hart <dvhart@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-05-19Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linusLinus Torvalds4-157/+2
Pull MIPS updates from Ralf Baechle: "This is the main pull request for MIPS for 4.7. Here's the summary of the changes: - ATH79: Support for DTB passuing using the UHI boot protocol - ATH79: Remove support for builtin DTB. - ATH79: Add zboot debug serial support. - ATH79: Add initial support for Dragino MS14 (Dragine 2), Onion Omega and DPT-Module. - ATH79: Update devicetree clock support for AR9132 and AR9331. - ATH79: Cleanup the DT code. - ATH79: Support newer SOCs in ath79_ddr_ctrl_init. - ATH79: Fix regression in PCI window initialization. - BCM47xx: Move SPROM driver to drivers/firmware/ - BCM63xx: Enable partition parser in defconfig. - BMIPS: BMIPS5000 has I cache filing from D cache - BMIPS: BMIPS: Add cpu-feature-overrides.h - BMIPS: Add Whirlwind support - BMIPS: Adjust mips-hpt-frequency for BCM7435 - BMIPS: Remove maxcpus from BCM97435SVMB DTS - BMIPS: Add missing 7038 L1 register cells to BCM7435 - BMIPS: Various tweaks to initialization code. - BMIPS: Enable partition parser in defconfig. - BMIPS: Cache tweaks. - BMIPS: Add UART, I2C and SATA devices to DT. - BMIPS: Add BCM6358 and BCM63268support - BMIPS: Add device tree example for BCM6358. - BMIPS: Improve Improve BCM6328 and BCM6368 device trees - Lantiq: Add support for device tree file from boot loader - Lantiq: Allow build with no built-in DT. - Loongson 3: Reserve 32MB for RS780E integrated GPU. - Loongson 3: Fix build error after ld-version.sh modification - Loongson 3: Move chipset ACPI code from drivers to arch. - Loongson 3: Speedup irq processing. - Loongson 3: Add basic Loongson 3A support. - Loongson 3: Set cache flush handlers to nop. - Loongson 3: Invalidate special TLBs when needed. - Loongson 3: Fast TLB refill handler. - MT7620: Fallback strategy for invalid syscfg0. - Netlogic: Fix CP0_EBASE redefinition warnings - Octeon: Initialization fixes - Octeon: Add DTS files for the D-Link DSR-1000N and EdgeRouter Lite - Octeon: Enable add Octeon-drivers in cavium_octeon_defconfig - Octeon: Correctly handle endian-swapped initramfs images. - Octeon: Support CN73xx, CN75xx and CN78xx. - Octeon: Remove dead code from cvmx-sysinfo. - Octeon: Extend number of supported CPUs past 32. - Octeon: Remove some code limiting NR_IRQS to 255. - Octeon: Simplify octeon_irq_ciu_gpio_set_type. - Octeon: Mark some functions __init in smp.c - Octeon: Octeon: Add Octeon III CN7xxx interface detection - PIC32: Add serial driver and bindings for it. - PIC32: Add PIC32 deadman timer driver and bindings. - PIC32: Add PIC32 clock timer driver and bindings. - Pistachio: Determine SoC revision during boot - Sibyte: Fix Kconfig dependencies of SIBYTE_BUS_WATCHER. - Sibyte: Strip redundant comments from bcm1480_regs.h. - Panic immediately if panic_on_oops is set. - module: fix incorrect IS_ERR_VALUE macro usage. - module: Make consistent use of pr_* - Remove no longer needed work_on_cpu() call. - Remove CONFIG_IPV6_PRIVACY from defconfigs. - Fix registers of non-crashing CPUs in dumps. - Handle MIPSisms in new vmcore_elf32_check_arch. - Select CONFIG_HANDLE_DOMAIN_IRQ and make it work. - Allow RIXI to be used on non-R2 or R6 cores. - Reserve nosave data for hibernation - Fix siginfo.h to use strict POSIX types. - Don't unwind user mode with EVA. - Fix watchpoint restoration - Ptrace watchpoints for R6. - Sync icache when it fills from dcache - I6400 I-cache fills from dcache. - Various MSA fixes. - Cleanup MIPS_CPU_* definitions. - Signal: Move generic copy_siginfo to signal.h - Signal: Fix uapi include in exported asm/siginfo.h - Timer fixes for sake of KVM. - XPA TLB refill fixes. - Treat perf counter feature - Update John Crispin's email address - Add PIC32 watchdog and bindings. - Handle R10000 LL/SC bug in set_pte() - cpufreq: Various fixes for Longson1. - R6: Fix R2 emulation. - mathemu: Cosmetic fix to ADDIUPC emulation, plenty of other small fixes - ELF: ABI and FP fixes. - Allow for relocatable kernel and use that to support KASLR. - Fix CPC_BASE_ADDR mask - Plenty fo smp-cps, CM, R6 and M6250 fixes. - Make reset_control_ops const. - Fix kernel command line handling of leading whitespace. - Cleanups to cache handling. - Add brcm, bcm6345-l1-intc device tree bindings. - Use generic clkdev.h header - Remove CLK_IS_ROOT usage. - Misc small cleanups. - CM: Fix compilation error when !MIPS_CM - oprofile: Fix a preemption issue - Detect DSP ASE v3 support:1" * 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (275 commits) MIPS: pic32mzda: fix getting timer clock rate. MIPS: ath79: fix regression in PCI window initialization MIPS: ath79: make ath79_ddr_ctrl_init() compatible for newer SoCs MIPS: Fix VZ probe gas errors with binutils <2.24 MIPS: perf: Fix I6400 event numbers MIPS: DEC: Export `ioasic_ssr_lock' to modules MIPS: MSA: Fix a link error on `_init_msa_upper' with older GCC MIPS: CM: Fix compilation error when !MIPS_CM MIPS: Fix genvdso error on rebuild USB: ohci-jz4740: Remove obsolete driver MIPS: JZ4740: Probe OHCI platform device via DT MIPS: JZ4740: Qi LB60: Remove support for AVT2 variant MIPS: pistachio: Determine SoC revision during boot MIPS: BMIPS: Adjust mips-hpt-frequency for BCM7435 mips: mt7620: fallback to SDRAM when syscfg0 does not have a valid value for the memory type MIPS: Prevent "restoration" of MSA context in non-MSA kernels MIPS: cevt-r4k: Dynamically calculate min_delta_ns MIPS: malta-time: Take seconds into account MIPS: malta-time: Start GIC count before syncing to RTC MIPS: Force CPUs to lose FP context during mode switches ...
2016-05-17Merge tag 'gpio-v4.7-1' of ↵Linus Torvalds1-3/+3
git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio Pull GPIO updates from Linus Walleij: "This is the bulk of GPIO changes for kernel cycle v4.7: Core infrastructural changes: - Support for natively single-ended GPIO driver stages. This means that if the hardware has registers to configure open drain or open source configuration, we use that rather than (as we did before) try to emulate it by switching the line to an input to get high impedance. This is also documented throughly in Documentation/gpio/driver.txt for those of you who did not understand one word of what I just wrote. - Start to do away with the unnecessarily complex and unitelligible ARCH_REQUIRE_GPIOLIB and ARCH_WANT_OPTIONAL_GPIOLIB, another evolutional artifact from the time when the GPIO subsystem was unmaintained. Archs can now just select GPIOLIB and be done with it, cleanups to arches will trickle in for the next kernel. Some minor archs ACKed the changes immediately so these are included in this pull request. - Advancing the use of the data pointer inside the GPIO device for storing driver data by switching the PowerPC, Super-H Unicore and a few other subarches or subsystem drivers in ALSA SoC, Input, serial, SSB, staging etc to use it. - The initialization now reads the input/output state of the GPIO lines, so that each GPIO descriptor knows - if this callback is implemented - whether the line is input or output. This also reflects nicely in userspace "lsgpio". - It is now possible to name GPIO producer names, line names, from the device tree. (Platform data has been supported for a while). I bet we will get a similar mechanism for ACPI one of those days. This makes is possible to get sensible producer names for e.g. GPIO rails in "lsgpio" in userspace. New drivers: - New driver for the Loongson1. - The XLP driver now supports Broadcom Vulcan ARM64. - The IT87 driver now supports IT8620 and IT8628. - The PCA953X driver now supports Galileo Gen2. Driver improvements: - MCP23S08 was switched to use the gpiolib irqchip helpers and now also suppors level-triggered interrupts. - 74x164 and RCAR now supports the .set_multiple() callback - AMDPT was converted to use generic GPIO. - TC3589x, TPS65218, SX150X, F7188X, MENZ127, VX855, WM831X, WM8994 support the new single ended callback for open drain and in some cases open source. - Implement the .get_direction() callback for a few more drivers like PL061, Xgene. Cleanups: - Paul Gortmaker combed through the drivers and de-modularized those who are not really modules. - Move the GPIO poweroff DT bindings to the power subdir where they belong. - Rename gpio-generic.c to gpio-mmio.c, which is much more to the point. That's what it is handling, nothing more, nothing less" * tag 'gpio-v4.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (126 commits) MIPS: do away with ARCH_[WANT_OPTIONAL|REQUIRE]_GPIOLIB gpio: zevio: make it explicitly non-modular gpio: timberdale: make it explicitly non-modular gpio: stmpe: make it explicitly non-modular gpio: sodaville: make it explicitly non-modular pinctrl: sh-pfc: Let gpio_chip.to_irq() return zero on error gpio: dwapb: Add ACPI device ID for DWAPB GPIO controller on X-Gene platforms gpio: dt-bindings: add wd,mbl-gpio bindings gpio: of: make it possible to name GPIO lines gpio: make gpiod_to_irq() return negative for NO_IRQ gpio: xgene: implement .get_direction() gpio: xgene: Enable ACPI support for X-Gene GFC GPIO driver gpio: tegra: Implement gpio_get_direction callback gpio: set up initial state from .get_direction() gpio: rename gpio-generic.c into gpio-mmio.c gpio: generic: fix GPIO_GENERIC_PLATFORM is set to module case gpio: dwapb: add gpio-signaled acpi event support gpio: dwapb: convert device node to fwnode gpio: dwapb: remove name from dwapb_port_property gpio/qoriq: select IRQ_DOMAIN ...
2016-05-17Merge branch 'for-linus' of ↵Linus Torvalds1-3/+3
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial Pull trivial tree updates from Jiri Kosina. * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (21 commits) gitignore: fix wording mfd: ab8500-debugfs: fix "between" in printk memstick: trivial fix of spelling mistake on management cpupowerutils: bench: fix "average" treewide: Fix typos in printk IB/mlx4: printk fix pinctrl: sirf/atlas7: fix printk spelling serial: mctrl_gpio: Grammar s/lines GPIOs/line GPIOs/, /sets/set/ w1: comment spelling s/minmum/minimum/ Blackfin: comment spelling s/divsor/divisor/ metag: Fix misspellings in comments. ia64: Fix misspellings in comments. hexagon: Fix misspellings in comments. tools/perf: Fix misspellings in comments. cris: Fix misspellings in comments. c6x: Fix misspellings in comments. blackfin: Fix misspelling of 'register' in comment. avr32: Fix misspelling of 'definitions' in comment. treewide: Fix typos in printk Doc: treewide : Fix typos in DocBook/filesystem.xml ...
2016-05-16Merge branches 'acpi-pci', 'acpi-misc' and 'acpi-tools'Rafael J. Wysocki2-34/+6
* acpi-pci: ACPI,PCI,IRQ: remove SCI penalize function ACPI,PCI,IRQ: remove redundant code in acpi_irq_penalty_init() ACPI,PCI,IRQ: reduce static IRQ array size to 16 ACPI,PCI,IRQ: reduce resource requirements * acpi-misc: ACPI / sysfs: fix error code in get_status() ACPI / device_sysfs: Clean up checkpatch errors ACPI / device_sysfs: Change _SUN and _STA show functions error return to EIO ACPI / device_sysfs: Add sysfs support for _HRV hardware revision arm64: defconfig: Enable ACPI ACPI / ARM64: Remove EXPERT dependency for ACPI on ARM64 ACPI / ARM64: Don't enable ACPI by default on ARM64 acer-wmi: Use acpi_dev_found() eeepc-wmi: Use acpi_dev_found() ACPI / utils: Rename acpi_dev_present() * acpi-tools: tools/power/acpi: close file only if it is open
2016-05-13MIPS: Loongson: Add Loongson-3A R2 basic supportHuacai Chen1-2/+2
Loongson-3 CPU family: Code-name Brand-name PRId Loongson-3A R1 Loongson-3A1000 0x6305 Loongson-3A R2 Loongson-3A2000 0x6308 Loongson-3B R1 Loongson-3B1000 0x6306 Loongson-3B R2 Loongson-3B1500 0x6307 Features of R2 revision of Loongson-3A: - Primary cache includes I-Cache, D-Cache and V-Cache (Victim Cache). - I-Cache, D-Cache and V-Cache are 16-way set-associative, linesize is 64 bytes. - 64 entries of VTLB (classic TLB), 1024 entries of FTLB (8-way set-associative). - Supports DSP/DSPv2 instructions, UserLocal register and Read-Inhibit/ Execute-Inhibit. [ralf@linux-mips.org: Resolved merge conflicts.] Signed-off-by: Huacai Chen <chenhc@lemote.com> Cc: Aurelien Jarno <aurelien@aurel32.net> Cc: Steven J . Hill <sjhill@realitydiluted.com> Cc: Fuxin Zhang <zhangfx@lemote.com> Cc: Zhangjin Wu <wuzhangjin@gmail.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/12751/ Patchwork: https://patchwork.linux-mips.org/patch/13136/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2016-05-13MIPS: Loongson-3: Move chipset ACPI code from drivers to archHuacai Chen3-155/+0
SB700/SB710/SB800 chipset ACPI code is mostly Loongson-3 specific routines rather than a "platform driver". Signed-off-by: Huacai Chen <chenhc@lemote.com> Cc: John Crispin <john@phrozen.org> Cc: Steven J. Hill <sjhill@realitydiluted.com> Cc: Fuxin Zhang <zhangfx@lemote.com> Cc: Zhangjin Wu <wuzhangjin@gmail.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/11273/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2016-05-05sony-laptop: Avoid oops on module unload for older laptopsLawrence Yiu1-0/+3
Older VAIO laptops without the SN00 ACPI method will have the "handles" variable unset. Return early from sony_nc_function_cleanup when "handles" is null. Signed-off-by: Lawrence Yiu <lawyiu.dev@gmail.com> Acked-by: Mattia Dongili <malattia@linux.it> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-05-05intel_telemetry: Constify telemetry_core_ops structuresJulia Lawall2-4/+4
The telemetry_core_ops structures are never modified, so declare them as const. Done with the help of Coccinelle. Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-05-05fujitsu-laptop: Use IS_ENABLED() instead of checking for built-in or moduleJavier Martinez Canillas1-6/+6
The IS_ENABLED() macro checks if a Kconfig symbol has been enabled either built-in or as a module, use that macro instead of open coding the same. Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com> Acked-by: Jonathan Woithe <jwoithe@just42.net> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-04-28treewide: Fix typos in printkMasanari Iida1-3/+3
This patch fix spelling typos in printk from various part of the codes. Signed-off-by: Masanari Iida <standby24x7@gmail.com> Acked-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-04-27Merge tag 'platform-drivers-x86-v4.6-3' of ↵Linus Torvalds1-1/+1
git://git.infradead.org/users/dvhart/linux-platform-drivers-x86 Pull x86 platform driver fix from Darren Hart: "Fix regression caused by hotkey enabling value in toshiba_acpi" * tag 'platform-drivers-x86-v4.6-3' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86: toshiba_acpi: Fix regression caused by hotkey enabling value
2016-04-26platform: x86: intel-pmic: use gpiochip data pointerLinus Walleij1-3/+3
This makes the driver use the data pointer added to the gpio_chip to store a pointer to the state container instead of relying on container_of(). Cc: Feng Tang <feng.tang@intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-04-25asus-laptop: correct error handling in sysfs_acpi_setGiedrius Statkevičius1-3/+2
Properly return rv back to the caller in the case of an error in parse_arg. In the process remove a unused variable 'out'. Signed-off-by: Giedrius Statkevičius <giedrius.statkevicius@gmail.com> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-04-25asus-laptop: remove redundant initializersGiedrius Statkevičius1-3/+3
Initializing rv to AE_OK is pointless because later function results are assigned to them and only then the variable is used Signed-off-by: Giedrius Statkevičius <giedrius.statkevicius@gmail.com> Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-04-25asus-laptop: correct error handling in asus_read_brightness()Giedrius Statkevičius1-1/+3
It is possible that acpi_evaluate_integer might fail and value would not be set to any value so correct this defect by returning 0 in case of an error. This is also the correct thing to return because the backlight subsystem will print the old value of brightness in this case. Signed-off-by: Giedrius Statkevičius <giedrius.statkevicius@gmail.com> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-04-25toshiba_acpi: Fix regression caused by hotkey enabling valueAzael Avalos1-1/+1
Commit 52cbae0127ad ("toshiba_acpi: Change default Hotkey enabling value") changed the hotkeys enabling value, as it was the same value Windows uses, however, it turns out that the value tells the EC that the driver will now take care of the hardware events like the physical RFKill switch or the pointing device toggle button. This patch reverts such commit by changing the default hotkey enabling value to 0x09, which enables hotkey events only, making the hardware buttons working again. Fixes bugs 113331 and 114941. Signed-off-by: Azael Avalos <coproscefalo@gmail.com> Cc: stable@vger.kernel.org Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-04-21Merge tag 'platform-drivers-x86-v4.6-2' of ↵Linus Torvalds6-45/+65
git://git.infradead.org/users/dvhart/linux-platform-drivers-x86 Pull x86 platform driver fixes from Darren Hart: "An S4 fix for intel-hid, new platform 'quirk' for hp_accel, a fix for broader support of ACPI resources for the Intel P-unit, and a few uninitialized variable fixes. intel p-unit: - decouple telemetry driver from the optional IPC resources thinkpad_acpi: - Silence an uninitialized variable warning intel_telemetry_pltdrv: - Silence an uninitialized variable warning hp_accel: - Silence an uninitialized variable warning - Add support for HP ProBook 440 G3 intel-hid: - add a workaround to ignore an event after waking up from S4" * tag 'platform-drivers-x86-v4.6-2' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86: platform:x86 decouple telemetry driver from the optional IPC resources thinkpad_acpi: Silence an uninitialized variable warning intel_telemetry_pltdrv: Silence an uninitialized variable warning hp_accel: Silence an uninitialized variable warning hp_accel: Add support for HP ProBook 440 G3 intel-hid: add a workaround to ignore an event after waking up from S4.
2016-04-19platform:x86 decouple telemetry driver from the optional IPC resourcesAubrey Li2-42/+54
Currently the optional IPC resources prevent telemetry driver from probing if these resources are not in ACPI table. This patch decouples telemetry driver from these optional resources, so that telemetry driver has dependency only on the necessary ACPI resources. Signed-off-by: Aubrey Li <aubrey.li@linux.intel.com> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-04-15thinkpad_acpi: Silence an uninitialized variable warningDan Carpenter1-1/+3
If fan_get_status() fails then "s" is not initialized. Tweak the error handling a bit to silence this warning. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-04-15intel_telemetry_pltdrv: Silence an uninitialized variable warningDan Carpenter1-1/+1
Presumably "pss_period" and "ioss_period" can't both be zero, but this function is never called so we can't infer that using static analysis alone. Silence the warning by setting "ret" to zero. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-04-15hp_accel: Silence an uninitialized variable warningDan Carpenter1-1/+3
If acpi_evaluate_integer() fails then "lret" isn't initialized. I've tweaked the error handling to avoid this issue. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-04-15fujitsu-laptop: Support radio LEDMichał Kępień1-0/+51
Lifebook E734/E744/E754 has a LED which the manual calls "radio components indicator". It should be lit when any radio transmitter is enabled. Its state can be read and set using ACPI (FUNC interface, RFKILL method). Since the Lifebook E734/E744/E754 only has a button (as compared to a slider) for enabling/disabling radio transmitters, I believe the LED in question is meant to indicate whether all radio transmitters are currently on or off. However, pressing the radio toggle button does not automatically change the hardware state of the transmitters: it looks like this machine relies on soft rfkill. As for detecting whether the LED is present on a given machine, I had to resort to educated guesswork. I assumed this LED is present on all devices which have a radio toggle button instead of a slider. My Lifebook E744 holds 0x01010001 in BTNI. By comparing the bits and buttons with those of a Lifebook E8420 (BTNI=0x000F0101, has a slider), I put my money on bit 24 as the indicator of the radio toggle button being present. Furthermore, bit 24 is also clear on the S7020 which does not have the toggle button or an RF LED. Figuring out how the LED is controlled was more deterministic as all it took was decompiling the DSDT and taking a look at method S000 (the RFKILL method of the FUNC interface). The LED control method implemented here is unsuitable for use with "heavy" LED triggers, like phy0rx. Once blinking frequency achieves a certain level, the system hangs. Signed-off-by: Michał Kępień <kernel@kempniu.pl> [jwoithe: Comment on bit 24 in BTNI, expanded commit msg] Signed-off-by: Jonathan Woithe <jwoithe@just42.net> [dvhart: Minor style and commit log adjustments] Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-04-14hp_accel: Add support for HP ProBook 440 G3Martin Vajnar1-0/+2
HP ProBook 440 G3 laptop needs a non-standard mapping (x_inverted_usd). Signed-off-by: Martin Vajnar <martin.vajnar@gmail.com> Acked-by: Éric Piel <eric.piel@tremplin-utc.net> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-04-09acer-wmi: Use acpi_dev_found()Lukas Wunner1-12/+4
Use shiny new acpi_dev_found() and remove all the boilerplate to search for a particular ACPI device. No functional change. Signed-off-by: Lukas Wunner <lukas@wunner.de> Reviewed-by: Lee, Chun-Yi <jlee@suse.com> Acked-by: Darren Hart <dvhart@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-04-09eeepc-wmi: Use acpi_dev_found()Lukas Wunner1-22/+2
Use shiny new acpi_dev_found() and remove all the boilerplate to search for a particular ACPI device. No functional change. Signed-off-by: Lukas Wunner <lukas@wunner.de> Acked-by: Darren Hart <dvhart@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-04-02Convert straggling drivers to new six-argument get_user_pages()Linus Torvalds1-2/+1
Commit d4edcf0d5695 ("mm/gup: Switch all callers of get_user_pages() to not pass tsk/mm") switched get_user_pages() callers to the simpler model where they no longer pass in the thread and mm pointer. But since then we've merged changes to a few drivers that re-introduce use of the old interface. Let's fix them up. They continued to work fine (thanks to the truly disgusting macros introduced in commit cde70140fed8: "mm/gup: Overload get_user_pages() functions"), but cause unnecessary build noise. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-03-28intel-hid: add a workaround to ignore an event after waking up from S4.Alex Hung1-0/+2
This is the same as the original workaround from S3 but for S4. Without this workaround, a rfkill event will be received and it will toggle wireless devices when radio hotkey is not pressed. Signed-off-by: Alex Hung <alex.hung@canonical.com> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-03-23Merge tag 'platform-drivers-x86-v4.6-1' of ↵Linus Torvalds18-424/+995
git://git.infradead.org/users/dvhart/linux-platform-drivers-x86 Pull x86 platform driver updates from Darren Hart: "Significant refactoring of Dell laptop drivers, modularizing the smbios code. Multiple new platforms added for ideapad, asus, dell, and alienware using existing quirks. A few fixes and cleanups. hp-wmi: - Remove GPS rfkill support via pre-2009 interface - fix unregister order in hp_wmi_rfkill_setup() once again ideapad-laptop: - Add ideapad Y700 (15) to the no_hw_rfkill DMI list fujitsu-laptop: - Support radio toggle button intel-hid: - allocate correct amount of memory for private struct platform/x86: - Make intel_scu_ipc explicitly non-modular intel_pmc_ipc: - Avoid pending IPC1 command during legacy suspend - Fix GCR register base address and length asus-nb-wmi: - add wapf=4 quirk for ASUS X75VD intel_telemetry_pltdrv: - Change verbosity control bits dell-rbtn: - Add a comment about the XPS 13 9350 dell-wmi, dell-laptop: - depends DMI dell-wmi: - support Dell Inspiron M5110 - properly process Dell Instant Launch hotkey - enable receiving WMI events on Dell Vostro V131 - Support new hotkeys on the XPS 13 9350 (Skylake) - Clean up hotkey table size check - Stop storing pointers to DMI tables dell-laptop: - move dell_smi_error() to dell-smbios - use dell_smbios_find_token() instead of find_token_location() - use dell_smbios_find_token() instead of find_token_id() - extract SMBIOS-related code to a separate module dell-smbios: - rename dell_smi_error() to dell_smbios_error() - make da_tokens static - remove find_token_{id,location}() - implement new function for finding DMI table 0xDA tokens - make the SMBIOS buffer static - return the SMBIOS buffer from dell_smbios_get_buffer() - don't return an SMBIOS buffer from dell_smbios_send_request() - don't pass an SMBIOS buffer to dell_smbios_send_request() - rename dell_send_request() to dell_smbios_send_request() - rename release_buffer() to dell_smbios_release_buffer() - rename clear_buffer() to dell_smbios_clear_buffer() - rename get_buffer() to dell_smbios_get_buffer() dell-led: - use dell_smbios_send_request() for performing SMBIOS calls - use dell_smbios_find_token() for finding mic DMI tokens toshiba_acpi: - Add a module parameter to disable hotkeys registration - Add sysfs entries for the Cooling Method feature - Add support for cooling method feature Documentation/ABI: - Update sysfs-driver-toshiba_acpi file thinkpad_acpi: - Remove ambiguous logging for "Unsupported brightness interface" alienware-wmi: - whitespace improvements - Add support for two new systems: ASM200 and ASM201. - Add support for deep sleep control. - Add initial support for alienware graphics amplifier. - Add support for new platform: X51-R3 - Clean up whitespace for ASM100 platform" * tag 'platform-drivers-x86-v4.6-1' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86: (47 commits) hp-wmi: Remove GPS rfkill support via pre-2009 interface hp-wmi: fix unregister order in hp_wmi_rfkill_setup() once again dell-wmi: support Dell Inspiron M5110 dell-wmi: properly process Dell Instant Launch hotkey dell-wmi: enable receiving WMI events on Dell Vostro V131 dell-smbios: rename dell_smi_error() to dell_smbios_error() dell-laptop: move dell_smi_error() to dell-smbios ideapad-laptop: Add ideapad Y700 (15) to the no_hw_rfkill DMI list fujitsu-laptop: Support radio toggle button intel-hid: allocate correct amount of memory for private struct platform/x86: Make intel_scu_ipc explicitly non-modular intel_pmc_ipc: Avoid pending IPC1 command during legacy suspend intel_pmc_ipc: Fix GCR register base address and length asus-nb-wmi: add wapf=4 quirk for ASUS X75VD intel_telemetry_pltdrv: Change verbosity control bits dell-rbtn: Add a comment about the XPS 13 9350 dell-wmi: Support new hotkeys on the XPS 13 9350 (Skylake) dell-wmi: Clean up hotkey table size check dell-wmi, dell-laptop: depends DMI dell-wmi: Stop storing pointers to DMI tables ...
2016-03-23hp-wmi: Remove GPS rfkill support via pre-2009 interfaceMaciej S. Szmigiero1-37/+1
GPS rfkill support via pre-2009 WMI interface uses hp_wmi_get_sw_state() and hp_wmi_get_hw_state() to query its current hard and soft block state, respectively. In hp_wmi_get_sw_state() a mask is calculated which bit should be checked in an int value returned by firmware to get current block state: 0x200 << (r * 8) which with r being 3 for GPS results in overflow and mask of zero. The same goes for hp_wmi_get_hw_state(). This effectively means that GPS rfkill on this WMI interface is considered always both hard and soft blocked. Unfortunately, later when rfkill subsystem calls hp_wmi_set_block() to sync this block to hardware firmware at least on my old nc6400 gets confused and sets both hard and soft blocks on WiFi and BT. This happens for example on hp-wmi module load. Since due to overflow described above it is dubious that this ever worked correctly and HP laptops with modems having GPS support seem to all have been released well past year 2009 let's just remove GPS rfkill support via pre-2009 WMI interface. Signed-off-by: Maciej S. Szmigiero <mail@maciej.szmigiero.name> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-03-23hp-wmi: fix unregister order in hp_wmi_rfkill_setup() once againMaciej S. Szmigiero1-7/+7
rfkill registration order in hp_wmi_rfkill_setup() is: 1) WiFi, 2) BT, 3) WWAN, 5) GPS. Unregistration when cleaning up on error return should happen in reverse order. This means that: If BT rfkill fails to be allocated we possibly need to first unregister WiFi rfkill before destroying it. The same goes with (WWAN, BT) and (GPS, WWAN) pairs. Also, if WWAN rfkill fails to register we need to (possibly) unregister BT not the GPS one. And if GPS rfkill fails to register we need to unregister WWAN not the BT one. We never need to unregister GPS rfkill here since if GPS rfkill registration succeeds this function returns without error so no cleanup is necessary. Signed-off-by: Maciej S. Szmigiero <mail@maciej.szmigiero.name> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-03-23dell-wmi: support Dell Inspiron M5110Michał Kępień1-1/+12
Similarly to Dell Vostro V131, Dell Inspiron M5110 also requires an SMBIOS request to be issued in order for WMI events to be generated and does not raise an i8042 interrupt when the Dell Instant Launch hotkey is pressed. However, the event code for that hotkey on this machine is 0xe029, so add it to the legacy keymap. Signed-off-by: Michał Kępień <kernel@kempniu.pl> Tested-by: Darek Stojaczyk <darek.stojaczyk@gmail.com> Reviewed-by: Pali Rohár <pali.rohar@gmail.com> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-03-23dell-wmi: properly process Dell Instant Launch hotkeyMichał Kępień1-1/+4
On models on which an SMBIOS request needs to be issued in order for WMI events to be generated, pressing the Dell Instant Launch hotkey does not raise an i8042 interrupt - only a WMI event is generated (0xe025 on Dell Vostro V131). As that WMI event is the only way the kernel will be notified about pressing the Dell Instant Launch hotkey on such machines, the relevant keymap entry has to be changed to a KE_KEY one. However, the same WMI event should still be ignored on machines which do not require an SMBIOS request for enabling WMI, so filter it conditionally in dell_wmi_process_key(). Signed-off-by: Michał Kępień <kernel@kempniu.pl> Reviewed-by: Pali Rohár <pali.rohar@gmail.com> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-03-23dell-wmi: enable receiving WMI events on Dell Vostro V131Michał Kępień2-0/+67
On some laptop models (e.g. Dell Vostro V131), WMI events are not generated until a specific SMBIOS request is issued to register an event listener [1]. As there seems to be no ACPI method or SMBIOS request to determine without possible side effects whether a given machine needs to issue this SMBIOS request in order to receive WMI events, DMI matching is used to whitelist the models which need it. [1] https://lists.us.dell.com/pipermail/libsmbios-devel/2015-July/000612.html Signed-off-by: Michał Kępień <kernel@kempniu.pl> Reviewed-by: Pali Rohár <pali.rohar@gmail.com> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-03-23dell-smbios: rename dell_smi_error() to dell_smbios_error()Michał Kępień3-11/+11
As dell_smi_error() is exported by dell-smbios, its prefix should be consistent with other exported symbols, so change function name to dell_smbios_error(). Signed-off-by: Michał Kępień <kernel@kempniu.pl> Reviewed-by: Pali Rohár <pali.rohar@gmail.com> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-03-23dell-laptop: move dell_smi_error() to dell-smbiosMichał Kępień3-14/+18
The dell_smi_error() method could be used by modules other than dell-laptop for convenient translation of SMBIOS request errors into errno values. Thus, move it to dell-smbios. Signed-off-by: Michał Kępień <kernel@kempniu.pl> Reviewed-by: Pali Rohár <pali.rohar@gmail.com> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-03-23ideapad-laptop: Add ideapad Y700 (15) to the no_hw_rfkill DMI listJohn Dahlstrom1-0/+14
Some Lenovo ideapad models lack a physical rfkill switch. On Lenovo models ideapad Y700 Touch-15ISK and ideapad Y700-15ISK, ideapad-laptop would wrongly report all radios as blocked by hardware which caused wireless network connections to fail. Add these models without an rfkill switch to the no_hw_rfkill list. Signed-off-by: John Dahlstrom <jodarom@sdf.org> Cc: <stable@vger.kernel.org> # 3.17.x-: 4fa9dab: ideapad_laptop: Lenovo G50-30 fix rfkill reports wireless blocked Cc: <stable@vger.kernel.org> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-03-23fujitsu-laptop: Support radio toggle buttonMichał Kępień1-1/+7
Lifebook E734/E744/E754 has a radio toggle button which uses code 0x420. Map it to KEY_RFKILL. Signed-off-by: Michał Kępień <kernel@kempniu.pl> Acked-by: Jonathan Woithe <jwoithe@just42.net> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-03-23intel-hid: allocate correct amount of memory for private structWolfram Sang1-2/+1
We want the size of the struct, not of a pointer to it. To be future proof, just dereference the pointer to get the desired type. Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-03-23platform/x86: Make intel_scu_ipc explicitly non-modularPaul Gortmaker1-31/+4
The Kconfig currently controlling compilation of this code is: drivers/platform/x86/Kconfig:config INTEL_SCU_IPC drivers/platform/x86/Kconfig: bool "Intel SCU IPC Support" ...meaning that it currently is not being built as a module by anyone. Lets remove the modular code that is essentially orphaned, so that when reading the driver there is no doubt it is builtin-only. We explicitly disallow a driver unbind, since that doesn't have a sensible use case anyway, and it allows us to drop the ".remove" code for non-modular drivers. Since module_pci_driver() uses the same init level priority as builtin_pci_driver() the init ordering remains unchanged with this commit. Also note that MODULE_DEVICE_TABLE is a no-op for non-modular code. We don't replace module.h with init.h since the file already has that. We also delete the MODULE_LICENSE tag etc. since all that information is already contained at the top of the file in the comments. 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>
2016-03-23intel_pmc_ipc: Avoid pending IPC1 command during legacy suspendQipeng Zha1-1/+2
During legacy suspend flow, IPC1 commands are being requested from opregion driver. But the PMC_IPC1 command will timeout as example: [ 281.444600] ipc_debug##: ipc_send_command: cmd=0x201ff, [ 281.444648] wbuf[0]=0x4ea6 [ 281.444668] wbuf[1]=0x0 [ 281.444674] wbuf[2]=0x0 [ 281.444676] wbuf[3]=0x0 [ 284.446467] pmc-ipc-plat INT34D2:00: IPC timed out, TS=0x4, CMD=0x200ff This is because before the opregion driver could send IPC1 commands, the PMC_IPC irq is already suspended. Which makes the IPC command to timeout. Solution: register pmc_ipc irq as IRQF_NO_SUSPEND Signed-off-by: Ananth Krishna R <ananth.krishna.r@intel.com> Signed-off-by: Bharath K Veera <bharath.k.veera@intel.com> Signed-off-by: Qipeng Zha <qipeng.zha@intel.com> Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-03-23intel_pmc_ipc: Fix GCR register base address and lengthQipeng Zha1-2/+3
GCR register (pmc_cfg register) is at offset 0x1008, and remapping of 0x4 bytes is enough. Signed-off-by: Francois-Nicolas Muller <francois-nicolas.muller@intel.com> Signed-off-by: Qipeng Zha <qipeng.zha@intel.com> Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Darren Hart <dvhart@linux.intel.com>