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2014-12-08nios2: I/O MappingLey Foon Tan
This patch adds several definitions for I/O accessors and ioremap(). Signed-off-by: Ley Foon Tan <lftan@altera.com>
2014-12-08nios2: Memory managementLey Foon Tan
This patch contains the initialisation of the memory blocks, MMU attributes and the memory map. Signed-off-by: Ley Foon Tan <lftan@altera.com>
2014-12-08nios2: Traps exception handlingLey Foon Tan
This patch contains traps exception handling. Signed-off-by: Ley Foon Tan <lftan@altera.com>
2014-12-08nios2: Exception handlingLey Foon Tan
This patch contains the exception entry code (kernel/entry.S) and misaligned exception. Signed-off-by: Ley Foon Tan <lftan@altera.com>
2014-12-08nios2: Kernel booting and initializationLey Foon Tan
This patch adds the kernel booting and the initial setup code. Signed-off-by: Ley Foon Tan <lftan@altera.com>
2014-12-08nios2: Assembly macros and definitionsLey Foon Tan
This patch add assembly macros and definitions used in the .S files across arch/nios2/ and together with asm-offsets.c. Signed-off-by: Ley Foon Tan <lftan@altera.com>
2014-12-08asm-generic: add generic futex for !CONFIG_SMPLey Foon Tan
Follow m68k futex implementation for !CONFIG_SMP. Signed-off-by: Ley Foon Tan <lftan@altera.com> Acked-by: Arnd Bergmann <arnd@arndb.de>
2014-12-07Linux 3.18v3.18Linus Torvalds
2014-12-07genirq: Move irq_chip_write_msi_msg() helper to coreThomas Gleixner
No point to expose this to the world. The only legitimate user is the core code. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Jiang Liu <jiang.liu@linux.intel.com> Cc: Marc Zyngier <marc.zyngier@arm.com>
2014-12-07Merge branch 'for-3.18-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata Pull libata fixes from Tejun Heo: "Three libata fixes for v3.18. Nothing too interesting. PCI ID ID and quirk additions to ahci and an error handling path fix in sata_fsl" * 'for-3.18-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata: ahci: disable MSI on SAMSUNG 0xa800 SSD sata_fsl: fix error handling of irq_of_parse_and_map AHCI: Add DeviceIDs for Sunrise Point-LP SATA controller
2014-12-06Merge git://www.linux-watchdog.org/linux-watchdogLinus Torvalds
Pull watchdog fix from Wim Van Sebroeck: "Fix the watchdog mask bit offset for Exynos7" * git://www.linux-watchdog.org/linux-watchdog: watchdog: s3c2410_wdt: Fix the mask bit offset for Exynos7
2014-12-06Merge branch 'i2c/for-current' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux Pull i2c fixes from Wolfram Sang: "Here are two more driver bugfixes for I2C which would be good to have" * 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: i2c: cadence: Set the hardware time-out register to maximum value i2c: davinci: generate STP always when NACK is received
2014-12-05watchdog: s3c2410_wdt: Fix the mask bit offset for Exynos7Abhilash Kesavan
The watchdog mask bit offset listed for Exynos7 is incorrect. Fix this. Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com> Acked-by: Naveen Krishna Chatradhi <naveenkrishna.ch@gmail.com Reviewd-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2014-12-05Merge branch 'x86-urgent-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fixes from Thomas Gleixner: "Two final fixlets for 3.18: - Prevent microcode reload wreckage on 32bit - Unbreak cross compilation" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86, microcode: Limit the microcode reloading to 64-bit for now x86: Use $(OBJDUMP) instead of plain objdump
2014-12-05Merge tag 'sound-3.18' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixlet from Takashi Iwai: "Just one commit for adding a copule of HD-audio quirk entries" * tag 'sound-3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: hda/realtek - Add headset Mic support for new Dell machine
2014-12-05ARM: dts: rk3288: add arm,cpu-registers-not-fw-configuredSonny Rao
This will enable use of physical arch timers on rk3288, where each core comes out of reset with a different virtual offset. Using physical timers will help with SMP booting on coreboot and older u-boot and should also allow suspend-resume and cpu-hotplug to work on all firmwares. Firmware which does initialize the cpu registers properly at boot and cpu-hotplug can remove this property from the device tree. Signed-off-by: Sonny Rao <sonnyrao@chromium.org> Signed-off-by: Olof Johansson <olof@lixom.net>
2014-12-05hwmon: (lm75) Strengthen detect functionGuenter Roeck
A chip returning 0x00 in all registers is erroneously detected as LM75. Check hysteresis and temperature limit registers and abort if both are 0 to reduce the likelyhood for this to happen. Reviewed-by: Rob Coulson <rob.coulson@gmail.com> Reviewed-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-12-05ARM: omap2plus_defconfig: enable ECAP and EHRPWMFelipe Balbi
Many of AM335x and AM437x hook backlight to one of these two devices. By enabling their drivers we make sure pwm-backlight can do its thing. Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-12-05ARM: omap2plus_defconfig: enable XHCIFelipe Balbi
AM437x devices have a DWC3 IP inside of them. The host side implementation of DWC3 is XHCI compliant. By enabling XHCI driver, we get the USB host port on AM437x Starter Kit working out of the box. Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-12-05ARM: omap2plus_defconfig: enable AM33XX SoC soundFelipe Balbi
Without this, sound on AM437x Starter Kit will not work. Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-12-05ARM: omap2plus_defconfig: enable EDT FT5X06 touchscreenFelipe Balbi
AM437x Starter Kit ships with EDT FT5306 touchscreen device. By enabling the driver we make sure touchscreen will work out of the box. Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-12-05ARM: omap2plus_defconfig: remove unwanted ethernet driversFelipe Balbi
None of these drivers are known to be used on any platform supported by omap2plus_defconfig, by removing them we get a slight smaller kernel. Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-12-05arm64: remove the unnecessary arm64_swiotlb_init()Ding Tianhong
The commit 3690951fc6d42f3a0903987677d0e592c49dd8db (arm64: Use swiotlb late initialisation) switches the DMA mapping code to swiotlb_tlb_late_init_with_default_size(), the arm64_swiotlb_init() will not used anymore, so remove this function. Signed-off-by: Ding Tianhong <dingtianhong@huawei.com> Signed-off-by: Will Deacon <will.deacon@arm.com>
2014-12-05Merge remote-tracking branches 'regulator/topic/sky81452' and ↵Mark Brown
'regulator/topic/stub' into regulator-next
2014-12-05Merge remote-tracking branches 'regulator/topic/rn5t618', ↵Mark Brown
'regulator/topic/rpm', 'regulator/topic/rt5033', 'regulator/topic/s2mpa01' and 'regulator/topic/s2mps11' into regulator-next
2014-12-05Merge remote-tracking branches 'regulator/topic/max77686', ↵Mark Brown
'regulator/topic/max77693', 'regulator/topic/max77802', 'regulator/topic/power-off' and 'regulator/topic/rk808' into regulator-next
2014-12-05Merge remote-tracking branches 'regulator/topic/anatop', ↵Mark Brown
'regulator/topic/disable', 'regulator/topic/dummy' and 'regulator/topic/gpio' into regulator-next
2014-12-05Merge remote-tracking branch 'regulator/topic/core' into regulator-nextMark Brown
2014-12-05Merge remote-tracking branch 'regulator/fix/da9063' into regulator-linusMark Brown
2014-12-05Merge branch 'topic/suspend' of ↵Mark Brown
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator into regulator-sky81452 Conflicts: drivers/regulator/sky81452-regulator.c
2014-12-05mmc: queue: Improve error handling during allocation of bounce buffersBhuvanesh Surachari
Allocation of previous bounce buffer in mmc_init_queue when the current bounce buffer allocation fails was leading to a crash later in __blk_segment_map_sg. Error handling is improved by allocating previous bounce buffer only if the current bounce buffer allocation succeeds. Signed-off-by: Bhuvanesh Surachari <bhuvanesh_surachari@mentor.com> Signed-off-by: Harish Jenny K N <harish_kandiga@mentor.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2014-12-04Revert "ARM: dts: rockchip: temporarily disable smp on rk3288"Olof Johansson
We now have the physical-timers patches lined up as a dependency in this same branch, so we can revert the temporary disablement. This reverts commit b77d43943ea83997c6c37b8831d1561981d499c5. Signed-off-by: Olof Johansson <olof@lixom.net>
2014-12-04Merge branch 'clocksource/physical-timers' into next/dtOlof Johansson
These are a pre-req to get rk3288 SMP to work with some firmwares, so merge it in here as well as in next/drivers. * clocksource/physical-timers: clocksource: arch_timer: Allow the device tree to specify uninitialized timer registers clocksource: arch_timer: Fix code to use physical timers when requested
2014-12-04Merge branch 'clocksource/physical-timers' into next/driversOlof Johansson
* clocksource/physical-timers: clocksource: arch_timer: Allow the device tree to specify uninitialized timer registers clocksource: arch_timer: Fix code to use physical timers when requested
2014-12-04clocksource: arch_timer: Allow the device tree to specify uninitialized ↵Doug Anderson
timer registers Some 32-bit (ARMv7) systems are architected like this: * The firmware doesn't know and doesn't care about hypervisor mode and we don't want to add the complexity of hypervisor there. * The firmware isn't involved in SMP bringup or resume. * The ARCH timer come up with an uninitialized offset (CNTVOFF) between the virtual and physical counters. Each core gets a different random offset. * The device boots in "Secure SVC" mode. * Nothing has touched the reset value of CNTHCTL.PL1PCEN or CNTHCTL.PL1PCTEN (both default to 1 at reset) On systems like the above, it doesn't make sense to use the virtual counter. There's nobody managing the offset and each time a core goes down and comes back up it will get reinitialized to some other random value. This adds an optional property which can inform the kernel of this situation, and firmware is free to remove the property if it is going to initialize the CNTVOFF registers when each CPU comes out of reset. Currently, the best course of action in this case is to use the physical timer, which is why it is important that CNTHCTL hasn't been changed from its reset value and it's a reasonable assumption given that the firmware has never entered HYP mode. Note that it's been said that on ARMv8 systems the firmware and kernel really can't be architected as described above. That means using the physical timer like this really only makes sense for ARMv7 systems. Signed-off-by: Doug Anderson <dianders@chromium.org> Signed-off-by: Sonny Rao <sonnyrao@chromium.org> Reviewed-by: Mark Rutland <mark.rutland@arm.com> Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Olof Johansson <olof@lixom.net>
2014-12-04clocksource: arch_timer: Fix code to use physical timers when requestedSonny Rao
This is a bug fix for using physical arch timers when the arch_timer_use_virtual boolean is false. It restores the arch_counter_get_cntpct() function after removal in 0d651e4e "clocksource: arch_timer: use virtual counters" We need this on certain ARMv7 systems which are architected like this: * The firmware doesn't know and doesn't care about hypervisor mode and we don't want to add the complexity of hypervisor there. * The firmware isn't involved in SMP bringup or resume. * The ARCH timer come up with an uninitialized offset between the virtual and physical counters. Each core gets a different random offset. * The device boots in "Secure SVC" mode. * Nothing has touched the reset value of CNTHCTL.PL1PCEN or CNTHCTL.PL1PCTEN (both default to 1 at reset) One example of such as system is RK3288 where it is much simpler to use the physical counter since there's nobody managing the offset and each time a core goes down and comes back up it will get reinitialized to some other random value. Fixes: 0d651e4e65e9 ("clocksource: arch_timer: use virtual counters") Cc: stable@vger.kernel.org Signed-off-by: Sonny Rao <sonnyrao@chromium.org> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org> Signed-off-by: Olof Johansson <olof@lixom.net>
2014-12-04ARM: imx6: fix bogus use of irq_get_irq_dataMarc Zyngier
The imx6 PM code seems to be quite creative in its use of irq_data, using something that is very much a hardware interrupt number where we expect a virtual one. Yes, it worked so far, but that's only luck, and it will definitely explode in 3.19. Fix it by using a pair of helper functions that deal with the actual hardware. Tested-by: Fabio Estevam <fabio.estevam@freescale.com> Acked-by: Philipp Zabel <p.zabel@pengutronix.de> Acked-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Olof Johansson <olof@lixom.net>
2014-12-04ARM: imx: irq: fix buggy usage of irq_data irq fieldMarc Zyngier
mach-imx directly references to the irq field in struct irq_data, and uses this to directly poke hardware register. But irq is the *virtual* irq number, something that has nothing to do with the actual HW irq (stored in the hwirq field). And once we put the stacked domain code in action, the whole thing explodes, as these two values are *very* different. Just replacing all instances of irq with hwirq fixes the issue. Tested-by: Fabio Estevam <fabio.estevam@freescale.com> Acked-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Olof Johansson <olof@lixom.net>
2014-12-04Merge tag 'bcm5301x-dt-2014-12-04' of https://github.com/hauke/linux into ↵Olof Johansson
next/dt Merge "ARM: BCM5301X: DT changes for v3.19 #2" from Hauke Mehrtens: ARM: BCM5301X: dts updates This adds the IRQ number to the main dts file and some new dts files for newly added devices. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> * tag 'bcm5301x-dt-2014-12-04' of https://github.com/hauke/linux: ARM: BCM5301X: Add DT for Buffalo WZR-600DHP2 ARM: BCM5301X: Add DT for Asus RT-N18U ARM: BCM5301X: Add DT for Buffalo WZR-1750DHP ARM: BCM5301X: Add DT for Netgear R6300 V2 ARM: BCM5301X: Add buttons for Netgear R6250 ARM: BCM5301X: Add IRQs to Broadcom's bus-axi in DTS file Signed-off-by: Olof Johansson <olof@lixom.net>
2014-12-04ARM: multi_v7_defconfig: enable MAX77686 PMIC drivers for exynos4412-prime ↵Tyler Baker
based SoCs This patch enables the MAX77686 PMIC drivers in the multi_v7_defconfig used on exynos4412-prime family of SoCs [1]. The exynos4412-prime based boards are producing the following runtime errors only on the multi_v7_defconfig [2]: kern.err: deviceless supply vdd_arm not found, using dummy regulator kern.err: exynos-cpufreq exynos-cpufreq: failed to set cpu voltage to 1287500 kern.err: cpufreq: __target_index: Failed to change cpu frequency: -22 I reviewed the exynos_defconfig, which does not produce these runtime errors. It was obvious that the exynos_defconfig has the PMIC drivers enabled, whereas the multi_v7_defconfig does not. This patch has been tested on a odroid-u2 and a odroid-u3 board. It has resolved the runtime errors. Therefore, I purpose we enabled these drivers in the multi_v7_defconfig. [1] http://www.hardkernel.com/main/products/prdt_info.php?g_code=G135270682824 [2] http://storage.armcloud.us/kernel-ci/mainline/v3.18-rc7-48-g7cc78f8/arm-multi_v7_defconfig/lab-tbaker-00/boot-exynos4412-odroidu3.html Signed-off-by: Tyler Baker <tyler.baker@linaro.org> Signed-off-by: Olof Johansson <olof@lixom.net>
2014-12-04Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linuxLinus Torvalds
Pull drm intel fixes from Dave Airlie: "Two intel stable fixes, that should be it from me for this round" * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: drm/i915: Unlock panel even when LVDS is disabled drm/i915: More cautious with pch fifo underruns
2014-12-04Merge tag 'pm+acpi-3.18-rc8' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull ACPI backlight fix from Rafael Wysocki: "This is a simple fix for an ACPI backlight regression introduced by a recent commit that overlooked a corner case which should have been taken into account" * tag 'pm+acpi-3.18-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: ACPI / video: update condition to check if device is in _DOD list
2014-12-05Merge tag 'drm-intel-fixes-2014-12-04' of ↵Dave Airlie
git://anongit.freedesktop.org/drm-intel into drm-fixes Silence some pch fifo underrun reports and panel locking backtraces, both cc: stable. * tag 'drm-intel-fixes-2014-12-04' of git://anongit.freedesktop.org/drm-intel: drm/i915: Unlock panel even when LVDS is disabled drm/i915: More cautious with pch fifo underruns
2014-12-04Merge tag 'media/v3.18-rc8' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media Pull media fixes from Mauro Carvalho Chehab: "A core fix and some driver fixes: - regression fix in Remote Controller core affecting RC6 protocol handling - fix video buffer handling in cx23885 - race fix in solo6x10 - fix image selection in smiapp - fix reported payload size on s2255drv - two updates for MAINTAINERS file" * tag 'media/v3.18-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: [media] rc-core: fix toggle handling in the rc6 decoder MAINTAINERS: Update mchehab's addresses [media] cx23885: use sg = sg_next(sg) instead of sg++ [media] s2255drv: fix payload size for JPG, MJPEG [media] Update MAINTAINERS for solo6x10 [media] solo6x10: fix a race in IRQ handler [media] smiapp: Only some selection targets are settable
2014-12-04uapi: fix to export linux/vm_sockets.hMasahiro Yamada
A typo "header=y" was introduced by commit 7071cf7fc435 ("uapi: add missing network related headers to kbuild"). Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Cc: Stephen Hemminger <stephen@networkplumber.org> Cc: David Miller <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-12-04regulator: core: Fix regualtor_ena_gpio_free not to access pin after freeingSeung-Woo Kim
After freeing pin from regulator_ena_gpio_free, loop can access the pin. So this patch fixes not to access pin after freeing. Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2014-12-04ARM: BCM5301X: Add DT for Buffalo WZR-600DHP2Rafał Miłecki
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2014-12-04ARM: BCM5301X: Add DT for Asus RT-N18URafał Miłecki
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2014-12-04ARM: BCM5301X: Add DT for Buffalo WZR-1750DHPRafał Miłecki
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2014-12-04ARM: BCM5301X: Add DT for Netgear R6300 V2Rafał Miłecki
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
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