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2017-02-28drm/ast: Fixed vram size incorrect issue on POWERY.C. Chen
The default value of VGA scratch may incorrect. Should initial h/w before get vram info. Acked-by: Joel Stanley <joel@jms.id.au> Tested-by: Y.C. Chen <yc_chen@aspeedtech.com> Signed-off-by: Y.C. Chen <yc_chen@aspeedtech.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Dave Airlie <airlied@redhat.com>
2017-02-28drm/ast: Base support for AST2500Y.C. Chen
Add detection and mode setting updates for AST2500 generation chip, code originally from Aspeed and slightly reworked for coding style mostly by Ben. This doesn't contain the BMC DRAM POST code which is in a separate patch. Signed-off-by: Y.C. Chen <yc_chen@aspeedtech.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Joel Stanley <joel@jms.id.au> Signed-off-by: Dave Airlie <airlied@redhat.com>
2017-02-28drm/ast: Fix calculation of MCLKBenjamin Herrenschmidt
Some braces were missing causing an incorrect calculation. Y.C. Chen from Aspeed provided me with the right formula which I tested on AST2400 and 2500. The MCLK isn't currently used by the driver (it will eventually to filter modes) so the issue isn't catastrophic. Also make the printed value a bit more meaningful Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Joel Stanley <joel@jms.id.au> Tested-by: Y.C. Chen <yc_chen@aspeedtech.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2017-02-28drm/ast: Remove spurious includeBenjamin Herrenschmidt
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Joel Stanley <joel@jms.id.au> Signed-off-by: Dave Airlie <airlied@redhat.com>
2017-02-28drm/ast: const'ify mode setting tablesBenjamin Herrenschmidt
And fix some comment alignment & space/tabs while at it Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Joel Stanley <joel@jms.id.au> Signed-off-by: Dave Airlie <airlied@redhat.com>
2017-02-28drm/ast: Handle configuration without P2A bridgeRussell Currey
The ast driver configures a window to enable access into BMC memory space in order to read some configuration registers. If this window is disabled, which it can be from the BMC side, the ast driver can't function. Closing this window is a necessity for security if a machine's host side and BMC side are controlled by different parties; i.e. a cloud provider offering machines "bare metal". A recent patch went in to try to check if that window is open but it does so by trying to access the registers in question and testing if the result is 0xffffffff. This method will trigger a PCIe error when the window is closed which on some systems will be fatal (it will trigger an EEH for example on POWER which will take out the device). This patch improves this in two ways: - First, if the firmware has put properties in the device-tree containing the relevant configuration information, we use these. - Otherwise, a bit in one of the SCU scratch registers (which are readable via the VGA register space and writeable by the BMC) will indicate if the BMC has closed the window. This bit has been defined by Y.C Chen from Aspeed. If the window is closed and the configuration isn't available from the device-tree, some sane defaults are used. Those defaults are hopefully sufficient for standard video modes used on a server. Signed-off-by: Russell Currey <ruscur@russell.cc> Acked-by: Joel Stanley <joel@jms.id.au> Cc: <stable@vger.kernel.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Dave Airlie <airlied@redhat.com>
2017-02-28drm/ast: Fix AST2400 POST failure without BMC FW or VBIOSY.C. Chen
The current POST code for the AST2300/2400 family doesn't work properly if the chip hasn't been initialized previously by either the BMC own FW or the VBIOS. This fixes it. Signed-off-by: Y.C. Chen <yc_chen@aspeedtech.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Tested-by: Y.C. Chen <yc_chen@aspeedtech.com> Acked-by: Joel Stanley <joel@jms.id.au> Cc: <stable@vger.kernel.org> Signed-off-by: Dave Airlie <airlied@redhat.com>
2017-02-26Merge tag 'watchdog-for-linus-v4.11' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging Pull watchdog updates from Guenter Roeck: "Wim asked me to handle the watchdog pull request this time around. Key changes: - New drivers: Cortina Gemini, ZTE's zx2967 family, NIC7018 - Convert to use device managed functions: ebc-c384_wdt, tegra_wdt, da9063_wdt, da9062_wdt, da9055_wdt, da9052_wdt, bcm2835_wdt, mena21_wdt, wm831x_wdt, digicolor_wdt, intel-mid_wdt, meson_wdt, sunxi_wdt, aspeed_wdt, coh901327_wdt, iTCO_wdt - Use watchdog core to install restart handler: tangox, dw_wdt, bcm2835_wdt, asm9260_wdt, bcm47xx_wdt - Convert ts72xx_wdt driver to watchdog core - Let core handle heartbeat in ep93xx_wdt driver - Enable COMPILE_TEST where possible - Various other improvements" * tag 'watchdog-for-linus-v4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (54 commits) watchdog: s3c2410: Add prefix to local function watchdog: s3c2410: Select MFD_SYSCON on all Exynos platforms watchdog: s3c2410: Use dev_dbg instead of pr_info watchdog: s3c2410: Fix infinite interrupt in soft mode watchdog: s3c2410: Remove confusing CONFIG prefix from local defines watchdog: softdog: make pretimeout support a compile option watchdog: zx2967: add watchdog controller driver for ZTE's zx2967 family dt: bindings: add documentation for zx2967 family watchdog controller watchdog: sama5d4: Implement resume hook watchdog: sama5d4: Cache MR instead of a partial config watchdog: ts72xx_wdt: convert driver to watchdog core watchdog: ep93xx_wdt: cleanup and let the core handle the heartbeat watchdog: RDC321X_WDT always depends on PCI watchdog: add driver for Cortina Gemini watchdog watchdog: add DT bindings for Cortina Gemini watchdog: constify watchdog_ops structures watchdog: Introduce watchdog_stop_on_unregister helper watchdog: ebc-c384_wdt: Utilize devm_ functions in driver probe callback watchdog: tegra_wdt: Convert to use device managed functions watchdog: da9063_wdt: Convert to use device managed functions ...
2017-02-25Merge tag 'platform-drivers-x86-v4.11-1' of ↵Linus Torvalds
git://git.infradead.org/linux-platform-drivers-x86 Pull x86 platform driver updates from Darren Hart: "Big picture: - New intel_turbo_max_3 driver, providing max core frequency information to the scheduler. Intel PMC APL support, s0ix read API, and fixes. - New Silead touchscreen platform touchscreen descriptions. Additional hotkey support for the intel-hid driver. - New model support for dell-laptop and hp_accel. - Several cleanups, especially to the fujitsu-laptop and intel_mid_powerbtn drivers. Detail summary: platorm/x86: - silead depends on I2C being built-in - add support for devices with Silead touchscreens - Support Turbo Boost Max 3.0 for non HWP systems intel_turbo_max_3: - make it explicitly non-modular dell-laptop: - Add Latitude 7480 and others to the DMI whitelist intel-hid: - Support 5 button array thinkpad_acpi: - Call led_classdev_notify_brightness_hw_changed on kbd brightness change - Use brightness_set_blocking callback for LEDs - Stop setting led_classdev brightness directly acer-wmi: - add another KEY_WLAN keycode - Inform firmware that RF Button Driver is active - setup accelerometer when machine has appropriate notify event asus-wireless: - Fix indentation - Use per-HID HSWC parameters intel_pmc_ipc: - Add APL PMC PCI Id - read s0ix residency API - Remove unused iTCO_version variable alienware-wmi: - Remove header duplicate intel_pmc_core: - fix out-of-bounds accesses on stack intel_mid_powerbtn: - Use SCU IPC directly - Unify IRQ acknowledgment - Move comment to where it belongs - Unify PBSTATUS access - Remove snail address - Sort headers alphabetically - Join string literals - Enable driver for Merrifield - Acknowledge interrupts - Factor out mfld_ack() - Introduce driver data - Substitute mfld by mid - Convert to use devm_*() fujitsu-laptop: - make hotkey handling functions more similar - break up complex loop condition - move keycode processing to separate functions - decrease indentation in acpi_fujitsu_hotkey_notify() - simplify logolamp_get() - rework logolamp_set() to properly handle errors - set default trigger for radio LED to rfkill-any dell-smbios: - Auto-select as needed intel_mid_thermal: - Fix module autoload - Remove duplicated platform device ID mlx-platform: - mlxcpld-hotplug driver style fixes hp_accel: - Add support for HP ZBook 17" * tag 'platform-drivers-x86-v4.11-1' of git://git.infradead.org/linux-platform-drivers-x86: (45 commits) platform/x86: intel_turbo_max_3: make it explicitly non-modular platform/x86: dell-laptop: Add Latitude 7480 and others to the DMI whitelist platform/x86: intel-hid: Support 5 button array platform/x86: thinkpad_acpi: Call led_classdev_notify_brightness_hw_changed on kbd brightness change platform/x86: thinkpad_acpi: Use brightness_set_blocking callback for LEDs platform/x86: thinkpad_acpi: Stop setting led_classdev brightness directly leds: class: Add new optional brightness_hw_changed attribute platform/x86: acer-wmi: add another KEY_WLAN keycode platform/x86: acer-wmi: Inform firmware that RF Button Driver is active platform/x86: asus-wireless: Fix indentation platform/x86: asus-wireless: Use per-HID HSWC parameters platform/x86: intel_pmc_ipc: Add APL PMC PCI Id platform/x86: intel_pmc_ipc: read s0ix residency API platform/x86: alienware-wmi: Remove header duplicate platform/x86: intel_mid_powerbtn: Use SCU IPC directly platform/x86: intel_mid_powerbtn: Unify IRQ acknowledgment platform/x86: intel_mid_powerbtn: Move comment to where it belongs platform/x86: intel_mid_powerbtn: Unify PBSTATUS access platform/x86: intel_pmc_core: fix out-of-bounds accesses on stack platform/x86: silead depends on I2C being built-in ...
2017-02-25Merge tag 'clk-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux Pull clk updates from Stephen Boyd: "The usual collection of new drivers, non-critical fixes, and updates to existing clk drivers. The bulk of the work is on Allwinner and Rockchip SoCs, but there's also an Intel Atom driver in here too. New Drivers: - Tegra BPMP firmware - Hisilicon hi3660 SoCs - Rockchip rk3328 SoCs - Intel Atom PMC - STM32F746 - IDT VersaClock 5P49V5923 and 5P49V5933 - Marvell mv98dx3236 SoCs - Allwinner V3s SoCs Removed Drivers: - Samsung Exynos4415 SoCs Updates: - Migrate ABx500 to OF - Qualcomm IPQ4019 CPU clks and general PLL support - Qualcomm MSM8974 RPM - Rockchip non-critical fixes and clk id additions - Samsung Exynos4412 CPUs - Socionext UniPhier NAND and eMMC support - ZTE zx296718 i2s and other audio clks - Renesas CAN and MSIOF clks for R-Car M3-W - Renesas resets for R-Car Gen2 and Gen3 and RZ/G1 - TI CDCE913, CDCE937, and CDCE949 clk generators - Marvell Armada ap806 CPU frequencies - STM32F4* I2S/SAI support - Broadcom BCM2835 DSI support - Allwinner sun5i and A80 conversion to new style clk bindings" * tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (130 commits) clk: renesas: mstp: ensure register writes complete clk: qcom: Do not drop device node twice clk: mvebu: adjust clock handling for the CP110 system controller clk: mvebu: Expand mv98dx3236-core-clock support clk: zte: add i2s clocks for zx296718 clk: sunxi-ng: sun9i-a80: Fix wrong pointer passed to PTR_ERR() clk: sunxi-ng: select SUNXI_CCU_MULT for sun5i clk: sunxi-ng: Check kzalloc() for errors and cleanup error path clk: tegra: Add BPMP clock driver clk: uniphier: add eMMC clock for LD11 and LD20 SoCs clk: uniphier: add NAND clock for all UniPhier SoCs ARM: dts: sun9i: Switch to new clock bindings clk: sunxi-ng: Add A80 Display Engine CCU clk: sunxi-ng: Add A80 USB CCU clk: sunxi-ng: Add A80 CCU clk: sunxi-ng: Support separately grouped PLL lock status register clk: sunxi-ng: mux: Get closest parent rate possible with CLK_SET_RATE_PARENT clk: sunxi-ng: mux: honor CLK_SET_RATE_NO_REPARENT flag clk: sunxi-ng: mux: Fix determine_rate for mux clocks with pre-dividers clk: qcom: SDHCI enablement on Nexus 5X / 6P ...
2017-02-25Merge branch 'i2c/for-4.11' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux Pull i2c updates from Wolfram Sang: "I2C has for you two new drivers (Tegra BPMP and STM32F4), interrupt support for pca954x muxes, and a bunch of driver bugfixes and improvements. Nothing really special this cycle. A few commits have been added to my tree just recently. Those are the Tegra BPMP driver and a few straightforward bugfixes or cleanups which I prefer to have upstream rather soonish. The rest had proper linux-next exposure" * 'i2c/for-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (25 commits) i2c: thunderx: Replace pci_enable_msix() i2c: exynos5: fix arbitration lost handling i2c: exynos5: disable fifo-almost-empty irq signal when necessary i2c: at91: ensure state is restored after suspending i2c: bcm2835: Avoid possible NULL ptr dereference i2c: Add Tegra BPMP I2C proxy driver dt-bindings: Add Tegra186 BPMP I2C binding misc: eeprom: at24: use device_property_*() functions instead of of_get_property() i2c: mux: pca954x: Add interrupt controller support dt: bindings: i2c-mux-pca954x: Add documentation for interrupt controller i2c: mux: pca954x: Add missing pca9542 definition to chip_desc i2c: riic: correctly finish transfers i2c: i801: Add support for Intel Gemini Lake i2c: mux: pca9541: Export OF device ID table as module aliases i2c: mux: pca954x: Export OF device ID table as module aliases i2c: mux: mlxcpld: remove unused including <linux/version.h> i2c: busses: constify i2c_algorithm structures i2c: i2c-mux-gpio: rename i2c-gpio-mux to i2c-mux-gpio i2c: sh_mobile: document support for r8a7796 (R-Car M3-W) i2c: i2c-cros-ec-tunnel: Reduce logging noise ...
2017-02-25Merge tag 'for-next-dma_ops' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma Pull rdma DMA mapping updates from Doug Ledford: "Drop IB DMA mapping code and use core DMA code instead. Bart Van Assche noted that the ib DMA mapping code was significantly similar enough to the core DMA mapping code that with a few changes it was possible to remove the IB DMA mapping code entirely and switch the RDMA stack to use the core DMA mapping code. This resulted in a nice set of cleanups, but touched the entire tree and has been kept separate for that reason." * tag 'for-next-dma_ops' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma: (37 commits) IB/rxe, IB/rdmavt: Use dma_virt_ops instead of duplicating it IB/core: Remove ib_device.dma_device nvme-rdma: Switch from dma_device to dev.parent RDS: net: Switch from dma_device to dev.parent IB/srpt: Modify a debug statement IB/srp: Switch from dma_device to dev.parent IB/iser: Switch from dma_device to dev.parent IB/IPoIB: Switch from dma_device to dev.parent IB/rxe: Switch from dma_device to dev.parent IB/vmw_pvrdma: Switch from dma_device to dev.parent IB/usnic: Switch from dma_device to dev.parent IB/qib: Switch from dma_device to dev.parent IB/qedr: Switch from dma_device to dev.parent IB/ocrdma: Switch from dma_device to dev.parent IB/nes: Remove a superfluous assignment statement IB/mthca: Switch from dma_device to dev.parent IB/mlx5: Switch from dma_device to dev.parent IB/mlx4: Switch from dma_device to dev.parent IB/i40iw: Remove a superfluous assignment statement IB/hns: Switch from dma_device to dev.parent ...
2017-02-25Merge tag 'fbdev-v4.11' of git://github.com/bzolnier/linuxLinus Torvalds
Pull fbdev updates from Bartlomiej Zolnierkiewicz: - fix for font color when console is switched to another fb driver - deferred probing fixes for simplefb driver - preparations to add support of an optional GPIO to enable panel for ARM CLCD driver - some improvements for ssd1307fb driver - cleanups for OMAP fbdev LCD drivers - misc fixes/cleanups for various fb drivers * tag 'fbdev-v4.11' of git://github.com/bzolnier/linux: (30 commits) video: fbdev: fsl-diu-fb: fix spelling mistake "palette" fbdev: ssd1307fb: include linux/gpio/consumer.h video: fbdev: fsl-diu-fb: remove impossible condition video: fbdev: amifb: remove impossible condition fbdev/ssd1307fb: clear screen in probe fbdev/ssd1307fb: add support to enable VBAT fbdev: ssd1307fb: Make reset gpio devicetree property optional fbdev: ssd1307fb: Remove reset-active-low from the DT binding document fbdev: ssd1307fb: Start to use gpiod API for reset gpio video: fbdev: sh_mobile_lcdcfb: fix error return code in sh_mobile_lcdc_probe() video: fbdev: offb: switch to using for_each_node_by_type video/console: use setup_timer and mod_timer instead of init_timer fbdev: omap/lcd: Make callbacks optional fbdev: omap/lcd: Staticize non-exported lcd_panel structs fbdev: omap/lcd: Remove no-op driver callbacks video/mbx: use simple_open() video: fbdev: stifb: handle NULL return value from ioremap_nocache video: fbdev: pmagb-b-fb: Remove bad `__init' annotation video: fbdev: pmag-ba-fb: Remove bad `__init' annotation video: ARM CLCD: use panel device node for getting backlight and mode ...
2017-02-25treewide: Remove remaining executable attributes from source filesJoe Perches
These are the current source files that should not have executable attributes set. [ Normally this would be sent through Andrew Morton's tree but his quilt tools don't like permission only patches. ] Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-25Merge branch 'akpm' (patches from Andrew)Linus Torvalds
Merge more updates from Andrew Morton: - almost all of the rest of MM - misc bits - KASAN updates - procfs - lib/ updates - checkpatch updates * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (124 commits) checkpatch: remove false unbalanced braces warning checkpatch: notice unbalanced else braces in a patch checkpatch: add another old address for the FSF checkpatch: update $logFunctions checkpatch: warn on logging continuations checkpatch: warn on embedded function names lib/lz4: remove back-compat wrappers fs/pstore: fs/squashfs: change usage of LZ4 to work with new LZ4 version crypto: change LZ4 modules to work with new LZ4 module version lib/decompress_unlz4: change module to work with new LZ4 module version lib: update LZ4 compressor module lib/test_sort.c: make it explicitly non-modular lib: add CONFIG_TEST_SORT to enable self-test of sort() rbtree: use designated initializers linux/kernel.h: fix DIV_ROUND_CLOSEST to support negative divisors lib/find_bit.c: micro-optimise find_next_*_bit lib: add module support to atomic64 tests lib: add module support to glob tests lib: add module support to crc32 tests kernel/ksysfs.c: add __ro_after_init to bin_attribute structure ...
2017-02-25mac80211_hwsim: Replace bogus hrtimer clockidThomas Gleixner
mac80211_hwsim initializes a hrtimer with clockid CLOCK_MONOTONIC_RAW. That's not supported. Use CLOCK_MONOTNIC instead. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-24platform/x86: intel_turbo_max_3: make it explicitly non-modularPaul Gortmaker
The Kconfig currently controlling compilation of this code is: drivers/platform/x86/Kconfig:config INTEL_TURBO_MAX_3 drivers/platform/x86/Kconfig: bool "Intel Turbo Boost Max Technology 3.0 enumeration driver" ...meaning that it currently is not being built as a module by anyone. Lets remove the couple traces of modular infrastructure use, so that when reading the driver there is no doubt it is builtin-only. Also note that MODULE_DEVICE_TABLE is a no-op for non-modular code. We also delete the MODULE_LICENSE tag etc. since all that information was (or is now) contained at the top of the file in the comments. We do uncover some implicit includes during build coverage that were hidden behind the module.h which pulls in a lot of dependants. Cc: Andy Shevchenko <andy@infradead.org> Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Cc: platform-driver-x86@vger.kernel.org Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2017-02-24platform/x86: dell-laptop: Add Latitude 7480 and others to the DMI whitelistAlex Hung
This is to support Latitude 7480 and many other newer Dell laptops. Signed-off-by: Alex Hung <alex.hung@canonical.com> Reviewed-by: Pali Rohár <pali.rohar@gmail.com> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2017-02-24platform/x86: intel-hid: Support 5 button arrayAlex Hung
New firmwares include a feature called 5 button array that supports super key, volume up/down, rotation lock and power button. Support for this feature is required to fix power button on some recent systems. This patch was tested on a Dell Latitude 7480. Signed-off-by: Alex Hung <alex.hung@canonical.com> Reviewed-by: Michał Kępień <kernel@kempniu.pl> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2017-02-24platform/x86: thinkpad_acpi: Call led_classdev_notify_brightness_hw_changed ↵Hans de Goede
on kbd brightness change Make thinkpad_acpi call led_classdev_notify_brightness_hw_changed on the kbd_led led_classdev registered by thinkpad_acpi when the kbd backlight brightness is changed through the hotkey. This will allow userspace to monitor (poll) for brightness changes on these LEDs caused by the hotkey. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Pavel Machek <pavel@ucw.cz>
2017-02-24platform/x86: thinkpad_acpi: Use brightness_set_blocking callback for LEDsHans de Goede
Now a days the LED core can take care of executing brightness_set from a workqueue if it needs to sleep, make use of this and remove a bunch of DIY code for this. Since this commit removes the workqueue usage for LEDs, the led_sysfs_blink_set callback may now also sleep, this is fine. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Pavel Machek <pavel@ucw.cz>
2017-02-24platform/x86: thinkpad_acpi: Stop setting led_classdev brightness directlyHans de Goede
There is no need to set the led_classdev's brightness value from its set_brightness callback, this is taken care of by the led-core and thinkpad_acpi really should not be mucking with it. Note that kbdlight_set_level_and_update() is still used by the old thinpad_acpi specific sysfs interface for the led, so we cannot remove it. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Pavel Machek <pavel@ucw.cz>
2017-02-24leds: class: Add new optional brightness_hw_changed attributeHans de Goede
Some LEDs may have their brightness level changed autonomously (outside of kernel control) by hardware / firmware. This commit adds support for an optional brightness_hw_changed attribute to signal such changes to userspace (if a driver can detect them): What: /sys/class/leds/<led>/brightness_hw_changed Date: January 2017 KernelVersion: 4.11 Description: Last hardware set brightness level for this LED. Some LEDs may be changed autonomously by hardware/firmware. Only LEDs where this happens and the driver can detect this, will have this file. This file supports poll() to detect when the hardware changes the brightness. Reading this file will return the last brightness level set by the hardware, this may be different from the current brightness. Drivers which want to support this, simply add LED_BRIGHT_HW_CHANGED to their flags field and call led_classdev_notify_brightness_hw_changed() with the hardware set brightness when they detect a hardware / firmware triggered brightness change. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
2017-02-24platform/x86: acer-wmi: add another KEY_WLAN keycodeChris Chiu
Now that we have informed the firmware that the RF Button driver is active, laptops such as the Acer TravelMate P238-M will generate a WMI key event with code 0x86 when the Fn+F3 airplane mode key is pressed. Add this keycode to the table so that it is converted to an appropriate input event. Signed-off-by: Chris Chiu <chiu@endlessm.com> Signed-off-by: Daniel Drake <drake@endlessm.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2017-02-24platform/x86: acer-wmi: Inform firmware that RF Button Driver is activeChris Chiu
The same method to activate LM(Launch Manager) can also be used to activate the RF Button driver with different bit toggled in the same lm_status. To express that many functions this byte field can achieve, rename the lm_status to app_status. And also the app_mask is the bit mask which specifically indicate which bits are going to be changed. This solves a problem where the AR9565 wifi included in the Acer Aspire ES1-421 is permanently hard blocked according to the rfkill GPIO read by ath9k. Signed-off-by: Chris Chiu <chiu@endlessm.com> Signed-off-by: Daniel Drake <drake@endlessm.com> Reviewed-by: Lee, Chun-Yi <jlee@suse.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2017-02-24platform/x86: asus-wireless: Fix indentationJoão Paulo Rechi Vita
Fix indentation problem introduced when this driver was first merged into the kernel. Signed-off-by: João Paulo Rechi Vita <jprvita@endlessm.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2017-02-24platform/x86: asus-wireless: Use per-HID HSWC parametersJoão Paulo Rechi Vita
Some Asus machines use 0x4/0x5 as their LED on/off values, while others use 0x0/0x1, as shown in the DSDT excerpts below. Luckily it seems this behavior is tied to different HIDs, after looking at 44 DSDTs from different Asus models. Another small difference is that a few of them call GWBL instead of OWGS, and SWBL instead of OWGD. That does not seem to make a difference for asus-wireless, and is additional reasoning to not try to call these methods directly. Device (ASHS) | Device (ASHS) { | { Name (_HID, "ATK4002") | Name (_HID, "ATK4001") Method (HSWC, 1, Serialized) | Method (HSWC, 1, Serialized) { | { If ((Arg0 < 0x02)) | If ((Arg0 < 0x02)) { | { OWGD (Arg0) | OWGD (Arg0) Return (One) | Return (One) } | } If ((Arg0 == 0x02)) | { | If ((Arg0 == 0x02)) Local0 = OWGS () | { If (Local0) | Return (OWGS ()) { | } Return (0x05) | } | If ((Arg0 == 0x03)) Else | { { | Return (0xFF) Return (0x04) | } } | } | If ((Arg0 == 0x80)) If ((Arg0 == 0x03)) | { { | Return (One) Return (0xFF) | } } | } If ((Arg0 == 0x04)) | Method (_STA, 0, NotSerialized) { | { OWGD (Zero) | If ((MSOS () >= OSW8)) Return (One) | { } | Return (0x0F) If ((Arg0 == 0x05)) | } { | Else OWGD (One) | { Return (One) | Return (Zero) } | } If ((Arg0 == 0x80)) | } { | } Return (One) | } | } | Method (_STA, 0, NotSerialized) | { | If ((MSOS () >= OSW8)) | { | Return (0x0F) | } | Else | { | Return (Zero) | } | } | } | Signed-off-by: João Paulo Rechi Vita <jprvita@endlessm.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2017-02-24platform/x86: intel_pmc_ipc: Add APL PMC PCI IdRajneesh Bhardwaj
This patch adds the PCI Device id for Power Management Controller on Intel Apollo Lake platforms. Intel PMC IPC Driver loads as a platform driver on Apollo Lake platforms since Intel BIOS hides the PCI Configuration space for 0:13:1 and re-enumerates it as ACPI device (INT34D2). The correct PCI Device ID should be added if some platform firmware choses to enumerate the device via PCI space. Signed-off-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@intel.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2017-02-24platform/x86: intel_pmc_ipc: read s0ix residency APIShanth Murthy
This patch adds a new API to indicate S0ix residency in usec. It utilizes the PMC Global Control Registers (GCR) to read deep and shallow S0ix residency. PMC MMIO resources: o Lower 4kB: IPC1 (PMC inter-processor communication) interface o Upper 4kB: GCR (Global Control Registers) This enables the power management framework to take corrective actions when the platform fails to enter S0ix after kernel freeze as part of the suspend to idle flow. (echo freeze > /sys/power/state). This is expected to be used with a S0ix failsafe framework such as: <https://lwn.net/Articles/689505/> [rajneesh: folded in "fix division in 32-bit case" from Andy Shevchenko] Signed-off-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@intel.com> Signed-off-by: Shanth Murthy <shanth.murthy@intel.com> [andy: fixed kbuild error, removed "total" from variables, fixed macro] Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2017-02-24platform/x86: alienware-wmi: Remove header duplicateAndy Shevchenko
No need to #include <linux/acpi.h> twice. Remove second occurrence. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2017-02-24platform/x86: intel_mid_powerbtn: Use SCU IPC directlyAndy Shevchenko
On older Intel MID platforms is using SCU IPC library beneath MSIC calls. To make access unified between old and new platforms use SCU IPC library directly. It's safe since serialization is done in the library. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2017-02-24platform/x86: intel_mid_powerbtn: Unify IRQ acknowledgmentAndy Shevchenko
The IRQ on Intel Merrifield can be acknowledged in the similar way it's done for previous MID platforms. Unify acknowledgment via SCU IPC. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2017-02-24mm balloon: umount balloon_mnt when removing vb deviceYisheng Xie
With CONFIG_BALLOON_COMPACTION=y the kernel will mount balloon_mnt for balloon page migration when we probe a virtio_balloon device. However we do not unmount it when removing the device. Fix this. Fixes: b1123ea6d3b3 ("mm: balloon: use general non-lru movable page feature") Link: http://lkml.kernel.org/r/1486531318-35189-1-git-send-email-xieyisheng1@huawei.com Signed-off-by: Yisheng Xie <xieyisheng1@huawei.com> Acked-by: Minchan Kim <minchan@kernel.org> Cc: Rafael Aquini <aquini@redhat.com> Cc: Konstantin Khlebnikov <koct9i@gmail.com> Cc: Gioh Kim <gi-oh.kim@profitbricks.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Michal Hocko <mhocko@kernel.org> Cc: Michael S. Tsirkin <mst@redhat.com> Cc: Jason Wang <jasowang@redhat.com> Cc: Hanjun Guo <guohanjun@huawei.com> Cc: Xishi Qiu <qiuxishi@huawei.com> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-24memory-hotplug: use dev_online for memhp_auto_onlineNathan Fontenot
Commit 31bc3858ea3e ("add automatic onlining policy for the newly added memory") provides the capability to have added memory automatically onlined during add, but this appears to be slightly broken. The current implementation uses walk_memory_range() to call online_memory_block, which uses memory_block_change_state() to online the memory. Instead, we should be calling device_online() for the memory block in online_memory_block(). This would online the memory (the memory bus online routine memory_subsys_online() called from device_online calls memory_block_change_state()) and properly update the device struct offline flag. As a result of the current implementation, attempting to remove a memory block after adding it using auto online fails. This is because doing a remove, for instance echo offline > /sys/devices/system/memory/memoryXXX/state uses device_offline() which checks the dev->offline flag. Link: http://lkml.kernel.org/r/20170222220744.8119.19687.stgit@ltcalpine2-lp14.aus.stglabs.ibm.com Signed-off-by: Nathan Fontenot <nfont@linux.vnet.ibm.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-24zram: extend zero pages to same element pageszhouxianrong
The idea is that without doing more calculations we extend zero pages to same element pages for zram. zero page is special case of same element page with zero element. 1. the test is done under android 7.0 2. startup too many applications circularly 3. sample the zero pages, same pages (none-zero element) and total pages in function page_zero_filled the result is listed as below: ZERO SAME TOTAL 36214 17842 598196 ZERO/TOTAL SAME/TOTAL (ZERO+SAME)/TOTAL ZERO/SAME AVERAGE 0.060631909 0.024990816 0.085622726 2.663825038 STDEV 0.00674612 0.005887625 0.009707034 2.115881328 MAX 0.069698422 0.030046087 0.094975336 7.56043956 MIN 0.03959586 0.007332205 0.056055193 1.928985507 from the above data, the benefit is about 2.5% and up to 3% of total swapout pages. The defect of the patch is that when we recovery a page from non-zero element the operations are low efficient for partial read. This patch extends zero_page to same_page so if there is any user to have monitored zero_pages, he will be surprised if the number is increased but it's not harmful, I believe. [minchan@kernel.org: do not free same element pages in zram_meta_free] Link: http://lkml.kernel.org/r/20170207065741.GA2567@bbox Link: http://lkml.kernel.org/r/1483692145-75357-1-git-send-email-zhouxianrong@huawei.com Link: http://lkml.kernel.org/r/1486307804-27903-1-git-send-email-minchan@kernel.org Signed-off-by: zhouxianrong <zhouxianrong@huawei.com> Signed-off-by: Minchan Kim <minchan@kernel.org> Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-24drm: remove unnecessary fault wrappersRoss Zwisler
The fault wrappers drm_vm_fault(), drm_vm_shm_fault(), drm_vm_dma_fault() and drm_vm_sg_fault() used to provide extra logic beyond what was in the "drm_do_*" versions of these functions, but as of commit ca0b07d9a969 ("drm: convert drm from nopage to fault") they are just unnecessary wrappers that do nothing. Remove them, and rename the the drm_do_* fault handlers to remove the "do_" since they no longer have corresponding wrappers. Link: http://lkml.kernel.org/r/1486155698-25717-1-git-send-email-ross.zwisler@linux.intel.com Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com> Reviewed-by: Sean Paul <seanpaul@chromium.org> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-24mm: wire up GFP flag passing in dma_alloc_from_contiguousLucas Stach
The callers of the DMA alloc functions already provide the proper context GFP flags. Make sure to pass them through to the CMA allocator, to make the CMA compaction context aware. Link: http://lkml.kernel.org/r/20170127172328.18574-3-l.stach@pengutronix.de Signed-off-by: Lucas Stach <l.stach@pengutronix.de> Acked-by: Vlastimil Babka <vbabka@suse.cz> Acked-by: Michal Hocko <mhocko@suse.com> Cc: Radim Krcmar <rkrcmar@redhat.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will.deacon@arm.com> Cc: Chris Zankel <chris@zankel.net> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Alexander Graf <agraf@suse.com> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-24mm: cma_alloc: allow to specify GFP maskLucas Stach
Most users of this interface just want to use it with the default GFP_KERNEL flags, but for cases where DMA memory is allocated it may be called from a different context. No functional change yet, just passing through the flag to the underlying alloc_contig_range function. Link: http://lkml.kernel.org/r/20170127172328.18574-2-l.stach@pengutronix.de Signed-off-by: Lucas Stach <l.stach@pengutronix.de> Acked-by: Vlastimil Babka <vbabka@suse.cz> Acked-by: Michal Hocko <mhocko@suse.com> Cc: Radim Krcmar <rkrcmar@redhat.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will.deacon@arm.com> Cc: Chris Zankel <chris@zankel.net> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Alexander Graf <agraf@suse.com> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-24mm: replace FAULT_FLAG_SIZE with parameter to huge_faultDave Jiang
Since the introduction of FAULT_FLAG_SIZE to the vm_fault flag, it has been somewhat painful with getting the flags set and removed at the correct locations. More than one kernel oops was introduced due to difficulties of getting the placement correctly. Remove the flag values and introduce an input parameter to huge_fault that indicates the size of the page entry. This makes the code easier to trace and should avoid the issues we see with the fault flags where removal of the flag was necessary in the fallback paths. Link: http://lkml.kernel.org/r/148615748258.43180.1690152053774975329.stgit@djiang5-desk3.ch.intel.com Signed-off-by: Dave Jiang <dave.jiang@intel.com> Tested-by: Dan Williams <dan.j.williams@intel.com> Reviewed-by: Jan Kara <jack@suse.cz> Cc: Matthew Wilcox <mawilcox@microsoft.com> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Ross Zwisler <ross.zwisler@linux.intel.com> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Nilesh Choudhury <nilesh.choudhury@oracle.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-24dax: support for transparent PUD pages for device DAXDave Jiang
Add transparent huge PUD pages support for device DAX by adding a pud_fault handler. Link: http://lkml.kernel.org/r/148545060002.17912.6765687780007547551.stgit@djiang5-desk3.ch.intel.com Signed-off-by: Dave Jiang <dave.jiang@intel.com> Cc: Matthew Wilcox <mawilcox@microsoft.com> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Jan Kara <jack@suse.com> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Ross Zwisler <ross.zwisler@linux.intel.com> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Nilesh Choudhury <nilesh.choudhury@oracle.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-24mm,fs,dax: change ->pmd_fault to ->huge_faultDave Jiang
Patch series "1G transparent hugepage support for device dax", v2. The following series implements support for 1G trasparent hugepage on x86 for device dax. The bulk of the code was written by Mathew Wilcox a while back supporting transparent 1G hugepage for fs DAX. I have forward ported the relevant bits to 4.10-rc. The current submission has only the necessary code to support device DAX. Comments from Dan Williams: So the motivation and intended user of this functionality mirrors the motivation and users of 1GB page support in hugetlbfs. Given expected capacities of persistent memory devices an in-memory database may want to reduce tlb pressure beyond what they can already achieve with 2MB mappings of a device-dax file. We have customer feedback to that effect as Willy mentioned in his previous version of these patches [1]. [1]: https://lkml.org/lkml/2016/1/31/52 Comments from Nilesh @ Oracle: There are applications which have a process model; and if you assume 10,000 processes attempting to mmap all the 6TB memory available on a server; we are looking at the following: processes : 10,000 memory : 6TB pte @ 4k page size: 8 bytes / 4K of memory * #processes = 6TB / 4k * 8 * 10000 = 1.5GB * 80000 = 120,000GB pmd @ 2M page size: 120,000 / 512 = ~240GB pud @ 1G page size: 240GB / 512 = ~480MB As you can see with 2M pages, this system will use up an exorbitant amount of DRAM to hold the page tables; but the 1G pages finally brings it down to a reasonable level. Memory sizes will keep increasing; so this number will keep increasing. An argument can be made to convert the applications from process model to thread model, but in the real world that may not be always practical. Hopefully this helps explain the use case where this is valuable. This patch (of 3): In preparation for adding the ability to handle PUD pages, convert vm_operations_struct.pmd_fault to vm_operations_struct.huge_fault. The vm_fault structure is extended to include a union of the different page table pointers that may be needed, and three flag bits are reserved to indicate which type of pointer is in the union. [ross.zwisler@linux.intel.com: remove unused function ext4_dax_huge_fault()] Link: http://lkml.kernel.org/r/1485813172-7284-1-git-send-email-ross.zwisler@linux.intel.com [dave.jiang@intel.com: clear PMD or PUD size flags when in fall through path] Link: http://lkml.kernel.org/r/148589842696.5820.16078080610311444794.stgit@djiang5-desk3.ch.intel.com Link: http://lkml.kernel.org/r/148545058784.17912.6353162518188733642.stgit@djiang5-desk3.ch.intel.com Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com> Signed-off-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Jan Kara <jack@suse.com> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Nilesh Choudhury <nilesh.choudhury@oracle.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-24zram: remove waitqueue for IO doneMinchan Kim
zram_reset_device() waits for ongoing writepage pages to be completed by zram->refcount logic. However, it's pointless because before the reset, we prevent further opening of zram by zram->claim and flush all of pending IO by fsync_bdev so there should be no pending IO at the zram_reset_device(). So let's remove that code which is even broken due to the lack of wake_up elsewhere. Link: http://lkml.kernel.org/r/1485145031-11661-1-git-send-email-minchan@kernel.org Signed-off-by: Minchan Kim <minchan@kernel.org> Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-24mm, fs: reduce fault, page_mkwrite, and pfn_mkwrite to take only vmfDave Jiang
->fault(), ->page_mkwrite(), and ->pfn_mkwrite() calls do not need to take a vma and vmf parameter when the vma already resides in vmf. Remove the vma parameter to simplify things. [arnd@arndb.de: fix ARM build] Link: http://lkml.kernel.org/r/20170125223558.1451224-1-arnd@arndb.de Link: http://lkml.kernel.org/r/148521301778.19116.10840599906674778980.stgit@djiang5-desk3.ch.intel.com Signed-off-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Ross Zwisler <ross.zwisler@linux.intel.com> Cc: Theodore Ts'o <tytso@mit.edu> Cc: Darrick J. Wong <darrick.wong@oracle.com> Cc: Matthew Wilcox <mawilcox@microsoft.com> Cc: Dave Hansen <dave.hansen@intel.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Jan Kara <jack@suse.com> Cc: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-24mm: validate device_hotplug is held for memory hotplugDan Williams
mem_hotplug_begin() assumes that it can set mem_hotplug.active_writer and run the hotplug process without racing another thread. Validate this assumption with a lockdep assertion. Link: http://lkml.kernel.org/r/148693886229.16345.1770484669403334689.stgit@dwillia2-desk3.amr.corp.intel.com Signed-off-by: Dan Williams <dan.j.williams@intel.com> Reported-by: Ben Hutchings <ben@decadent.org.uk> Cc: Michal Hocko <mhocko@suse.com> Cc: Toshi Kani <toshi.kani@hpe.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Logan Gunthorpe <logang@deltatee.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Masayoshi Mizuma <m.mizuma@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-24Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparcLinus Torvalds
Pull sparc updates from David Miller: 1) Support multiple huge page sizes, from Nitin Gupta. 2) Improve boot time on large memory configurations, from Pavel Tatashin. 3) Make BRK handling more consistent and documented, from Vijay Kumar. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc: sparc64: Fix build error in flush_tsb_user_page sparc64: memblock resizes are not handled properly sparc64: use latency groups to improve add_node_ranges speed sparc64: Add 64K page size support sparc64: Multi-page size support Documentation/sparc: Steps for sending break on sunhv console sparc64: Send break twice from console to return to boot prom sparc64: Migrate hvcons irq to panicked cpu sparc64: Set cpu state to offline when stopped sunvdc: Add support for setting physical sector size sparc64: fix for user probes in high memory sparc: topology_64.h: Fix condition for including cpudata.h sparc32: mm: srmmu: add __ro_after_init to sparc32_cachetlb_ops structures
2017-02-24Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/mdLinus Torvalds
Pull md updates from Shaohua Li: "Mainly fixes bugs and improves performance: - Improve scalability for raid1 from Coly - Improve raid5-cache read performance, disk efficiency and IO pattern from Song and me - Fix a race condition of disk hotplug for linear from Coly - A few cleanup patches from Ming and Byungchul - Fix a memory leak from Neil - Fix WRITE SAME IO failure from me - Add doc for raid5-cache from me" * 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md: (23 commits) md/raid1: fix write behind issues introduced by bio_clone_bioset_partial md/raid1: handle flush request correctly md/linear: shutup lockdep warnning md/raid1: fix a use-after-free bug RAID1: avoid unnecessary spin locks in I/O barrier code RAID1: a new I/O barrier implementation to remove resync window md/raid5: Don't reinvent the wheel but use existing llist API md: fast clone bio in bio_clone_mddev() md: remove unnecessary check on mddev md/raid1: use bio_clone_bioset_partial() in case of write behind md: fail if mddev->bio_set can't be created block: introduce bio_clone_bioset_partial() md: disable WRITE SAME if it fails in underlayer disks md/raid5-cache: exclude reclaiming stripes in reclaim check md/raid5-cache: stripe reclaim only counts valid stripes MD: add doc for raid5-cache Documentation: move MD related doc into a separate dir md: ensure md devices are freed before module is unloaded. md/r5cache: improve journal device efficiency md/r5cache: enable chunk_aligned_read with write back cache ...
2017-02-24Merge branch 'for-linus' of git://git.kernel.dk/linux-blockLinus Torvalds
Pull block updates and fixes from Jens Axboe: - NVMe updates and fixes that missed the first pull request. This includes bug fixes, and support for autonomous power management. - Fix from Christoph for missing clear of the request payload, causing a problem with (at least) the storvsc driver. - Further fixes for the queue/bdi life time issues from Jan. - The Kconfig mq scheduler update from me. - Fixing a use-after-free in dm-rq, spotted by Bart, introduced in this merge window. - Three fixes for nbd from Josef. - Bug fix from Omar, fixing a bug in sas transport code that oopses when bsg ioctls were used. From Omar. - Improvements to the queue restart and tag wait from from Omar. - Set of fixes for the sed/opal code from Scott. - Three trivial patches to cciss from Tobin * 'for-linus' of git://git.kernel.dk/linux-block: (41 commits) dm-rq: don't dereference request payload after ending request blk-mq-sched: separate mark hctx and queue restart operations blk-mq: use sbq wait queues instead of restart for driver tags block/sed-opal: Propagate original error message to userland. nvme/pci: re-check security protocol support after reset block/sed-opal: Introduce free_opal_dev to free the structure and clean up state nvme: detect NVMe controller in recent MacBooks nvme-rdma: add support for host_traddr nvmet-rdma: Fix error handling nvmet-rdma: use nvme cm status helper nvme-rdma: move nvme cm status helper to .h file nvme-fc: don't bother to validate ioccsz and iorcsz nvme/pci: No special case for queue busy on IO nvme/core: Fix race kicking freed request_queue nvme/pci: Disable on removal when disconnected nvme: Enable autonomous power state transitions nvme: Add a quirk mechanism that uses identify_ctrl nvme: make nvmf_register_transport require a create_ctrl callback nvme: Use CNS as 8-bit field and avoid endianness conversion nvme: add semicolon in nvme_command setting ...
2017-02-24watchdog: s3c2410: Add prefix to local functionKrzysztof Kozlowski
Functions marked static inline might not be inlined so a driver-specific prefix for function name helps when looking through call backtrace. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2017-02-24watchdog: s3c2410: Select MFD_SYSCON on all Exynos platformsKrzysztof Kozlowski
Syscon is used not only on Exynos5 SoCs but also on Exynos3250, Exynos4412 and ARMv8 versions (Exynos5433, Exynos7). Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2017-02-24watchdog: s3c2410: Use dev_dbg instead of pr_infoKrzysztof Kozlowski
Replace the 'debug' module parameter and pr_info() with proper device dynamic debug calls because this is the preferred and flexible way of enabling debugging printks. Also remove some obvious debug printks. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Guenter Roeck <linux@roeck-us.net>