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2014-06-25Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-socLinus Torvalds1-2/+12
Pull ARM SoC fixes from Arnd Bergmann: "A new set of bug fixes for 3.16, containing patches for seven platforms: at91: - drivers/misc fix for Kconfig PWM symbol - correction of several values in DT after conversion to CCF - fix at91sam9261/at91sam9261ek mistake in slow crystal vs. slow RC osc imx: - Use GPIO for card CD/WP on imx51-babbage and eukrea-mbimxsd51, because controller base CD/WP is not working in esdhc driver due to runtime PM support - A couple of random ventana gw5xxx board fixes - Add IMX_IPUV3_CORE back to defconfig, which gets lost when moving IPUv3 driver out of staging tree - Fix enet/fec clock selection on imx6sl - Fix display node on imx53-m53evk board - A couple of Cubox-i updates from Russell, which were omitted from the merge window due to dependency integrator: - fix an OF-related regression against 3.15 mvebu: - mvebu (v7) - Fix broken SoC ID detection - Select ARM_CPU_SUSPEND for v7 - Remove armada38x compatible string (no users yet) - Enable Dove SoC in mvebu_v7_defconfig - kirkwood - Fix phy-connection-type on GuruPlug board qcom: - enable gsbi driver in defconfig - fix section mismatch warning in serial driver samsung: - use WFI macro in platform_do_lowpower because exynos cpuhotplug includes a hardcoded WFI instruction and it causes compile error in Thumb-2 mode. - fix GIC reg sizes for exynos4 SoCs - remove reset timer counter value during boot and resume for mct to fix a big jump in printk timestamps - fix pm code to check cortex-A9 for another exynos SoCs - don't rely on firmware's secondary_cpu_start for mcpm sti: - Ethernet clocks were wrongly defined for STiH415/416 platforms - STiH416 B2020 revision E DTS file name contained uppercase, change to lowercase" * tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (33 commits) ARM: at91/dt: sam9261: remove slow RC osc ARM: at91/dt: define sam9261ek slow crystal frequency ARM: at91/dt: sam9261: correctly define mainck ARM: at91/dt: sam9n12: correct PLLA ICPLL and OUT values ARM: at91/dt: sam9x5: correct PLLA ICPLL and OUT values misc: atmel_pwm: fix Kconfig symbols ARM: integrator: fix OF-related regression ARM: mvebu: Fix the improper use of the compatible string armada38x using a wildcard ARM: dts: kirkwood: fix phy-connection-type for Guruplug ARM: EXYNOS: Don't rely on firmware's secondary_cpu_start for mcpm ARM: dts: imx51-eukrea-mbimxsd51-baseboard: unbreak esdhc. ARM: dts: imx51-babbage: Fix esdhc setup ARM: dts: mx5: Move the display out of soc {} node ARM: dts: mx5: Fix IPU port node placement ARM: mvebu: select ARM_CPU_SUSPEND for Marvell EBU v7 platforms ARM: mvebu: Fix broken SoC ID detection ARM: imx_v6_v7_defconfig: Enable CONFIG_IMX_IPUV3_CORE ARM: multi_v7_defconfig: Add QCOM GSBI driver ARM: stih41x: Rename stih416-b2020-revE.dts to stih416-b2020e.dts tty: serial: msm: Fix section mismatch warning ...
2014-06-25ALSA: hda - Adjust speaker HPF and add LED support for HP Spectre 13Takashi Iwai1-0/+5
HP Spectre 13 has the IDT 92HD95 codec, and BIOS seems to set the default high-pass filter in some "safer" range, which results in the very soft tone from the built-in speakers in contrast to Windows. Also, the mute LED control is missing, since 92HD95 codec still has no HP-specific fixups for GPIO setups. This patch adds these missing features: the HPF is adjusted by the vendor-specific verb, and the LED is set up from a DMI string (but with the default polarity = 0 assumption due to the incomplete BIOS on the given machine). Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=74841 Cc: <stable@vger.kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-06-25hwmon: (ntc_thermistor) Use the manufacturer name properlyNaveen Krishna Chatradhi3-11/+19
Murata Manufacturing Co., Ltd is the vendor for NTC (Negative Temperature coefficient) based Thermistors. But, the driver extensively uses "NTC" as the vendor name. This patch corrects the vendor name also updates the compatibility strings according to the vendor-prefix.txt Note: Drivers continue to support the previous compatible strings but further addition of these compatible strings in device tree is deprecated. Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com> Reviewed-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-06-25devicetree: bindings: Document murata vendor prefixNaveen Krishna Chatradhi1-0/+1
Add Murata Manufacturing Co., Ltd. to the list of device tree vendor prefixes. Murata manufactures NTC (Negative Temperature Coefficient) based Thermistors for small scale applications like Mobiles and PDAs. Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com> Acked-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-06-25Merge branch 'urgent.2014.06.23a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into core/urgentIngo Molnar1-0/+6
Pull RCU fixes from Paul E. McKenney: " This series includes the following: 1. Export a pair of debug-object interfaces for RCU that will allow the slab allocators to avoid a recursion bug located by Sasha Levin. Strictly speaking, this is not a regression, but it would be good to enable the fix. 2. Address a serious performance regression on an open/close micro-benchmark located by Dave Hansen. The offending commit is ac1bea85781e (Make cond_resched() report RCU quiescent states). " Signed-off-by: Ingo Molnar <mingo@kernel.org>
2014-06-24dt/bindings: add compatible string for versatile osc clockRob Herring1-2/+2
Signed-off-by: Rob Herring <robh@kernel.org> Cc: Pawel Moll <pawel.moll@arm.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Ian Campbell <ijc+devicetree@hellion.org.uk> Cc: Kumar Gala <galak@codeaurora.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Linus Walleij <linus.walleij@linaro.org>
2014-06-24dt/bindings: arm-boards: add binding for Versatile core moduleRob Herring1-0/+6
Add binding for the core module found on ARM versatile AB and PB boards. Signed-off-by: Rob Herring <robh@kernel.org> Cc: Pawel Moll <pawel.moll@arm.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Ian Campbell <ijc+devicetree@hellion.org.uk> Cc: Kumar Gala <galak@codeaurora.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Linus Walleij <linus.walleij@linaro.org>
2014-06-24ASoC: cs4265: bindings: sound: Add binding for CS4265 CODEC.Paul Handrigan1-0/+29
This patch adds binding documentation for the Cirrus Logic CS4265 I2C CODEC. Signed-off-by: Paul Handrigan <paul.handrigan@cirrus.com> Signed-off-by: Mark Brown <broonie@linaro.org>
2014-06-24ARM: mvebu: Fix the improper use of the compatible string armada38x using a wildcardGregory CLEMENT1-2/+12
Wildcards in compatible strings should be avoid. "marvell,armada38x" was recently introduced but was not yet used. The armada 385 SoC is a superset of the armada 380 SoC (with more CPUs and more PCIe slots). So this patch replaces the use of "marvell,armada38x" by the "marvell,armada380" string. Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com> Link: https://lkml.kernel.org/r/1403533011-21339-1-git-send-email-gregory.clement@free-electrons.com Acked-by: Andrew Lunn <andrew@lunn.ch> Cc: <stable@vger.kernel.org> # v3.15+ Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-06-24video: clps711x: Add bindings documentation for CLPS711X framebufferAlexander Shiyan1-0/+47
Add OF document for Cirrus Logic CLPS711X framebuffer driver. Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2014-06-23kernel/watchdog.c: print traces for all cpus on lockup detectionAaron Tomlin2-0/+22
A 'softlockup' is defined as a bug that causes the kernel to loop in kernel mode for more than a predefined period to time, without giving other tasks a chance to run. Currently, upon detection of this condition by the per-cpu watchdog task, debug information (including a stack trace) is sent to the system log. On some occasions, we have observed that the "victim" rather than the actual "culprit" (i.e. the owner/holder of the contended resource) is reported to the user. Often this information has proven to be insufficient to assist debugging efforts. To avoid loss of useful debug information, for architectures which support NMI, this patch makes it possible to improve soft lockup reporting. This is accomplished by issuing an NMI to each cpu to obtain a stack trace. If NMI is not supported we just revert back to the old method. A sysctl and boot-time parameter is available to toggle this feature. [dzickus@redhat.com: add CONFIG_SMP in certain areas] [akpm@linux-foundation.org: additional CONFIG_SMP=n optimisations] [mq@suse.cz: fix warning] Signed-off-by: Aaron Tomlin <atomlin@redhat.com> Signed-off-by: Don Zickus <dzickus@redhat.com> Cc: David S. Miller <davem@davemloft.net> Cc: Mateusz Guzik <mguzik@redhat.com> Cc: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Jan Moskyto Matejka <mq@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-06-23Documentation/accounting/getdelays.c: add missing null-terminate after strncpy callRickard Strandqvist1-0/+1
Added a guaranteed null-terminate after call to strncpy. This was partly found using a static code analysis program called cppcheck. Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se> Acked-by: Kees Cook <keescook@chromium.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-06-23mm, pcp: allow restoring percpu_pagelist_fraction defaultDavid Rientjes1-1/+2
Oleg reports a division by zero error on zero-length write() to the percpu_pagelist_fraction sysctl: divide error: 0000 [#1] SMP DEBUG_PAGEALLOC CPU: 1 PID: 9142 Comm: badarea_io Not tainted 3.15.0-rc2-vm-nfs+ #19 Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 task: ffff8800d5aeb6e0 ti: ffff8800d87a2000 task.ti: ffff8800d87a2000 RIP: 0010: percpu_pagelist_fraction_sysctl_handler+0x84/0x120 RSP: 0018:ffff8800d87a3e78 EFLAGS: 00010246 RAX: 0000000000000f89 RBX: ffff88011f7fd000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000010 RBP: ffff8800d87a3e98 R08: ffffffff81d002c8 R09: ffff8800d87a3f50 R10: 000000000000000b R11: 0000000000000246 R12: 0000000000000060 R13: ffffffff81c3c3e0 R14: ffffffff81cfddf8 R15: ffff8801193b0800 FS: 00007f614f1e9740(0000) GS:ffff88011f440000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 00007f614f1fa000 CR3: 00000000d9291000 CR4: 00000000000006e0 Call Trace: proc_sys_call_handler+0xb3/0xc0 proc_sys_write+0x14/0x20 vfs_write+0xba/0x1e0 SyS_write+0x46/0xb0 tracesys+0xe1/0xe6 However, if the percpu_pagelist_fraction sysctl is set by the user, it is also impossible to restore it to the kernel default since the user cannot write 0 to the sysctl. This patch allows the user to write 0 to restore the default behavior. It still requires a fraction equal to or larger than 8, however, as stated by the documentation for sanity. If a value in the range [1, 7] is written, the sysctl will return EINVAL. This successfully solves the divide by zero issue at the same time. Signed-off-by: David Rientjes <rientjes@google.com> Reported-by: Oleg Drokin <green@linuxhacker.ru> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-06-23mm, hotplug: probe interface is available on several platformsDavid Rientjes1-9/+6
Documentation/memory-hotplug.txt incorrectly states that the memory driver "probe" interface is only supported on powerpc and is vague about its application on x86. Clarify the platforms that make this interface available if memory hotplug is enabled. Signed-off-by: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-06-23rcu: Reduce overhead of cond_resched() checks for RCUPaul E. McKenney1-0/+6
Commit ac1bea85781e (Make cond_resched() report RCU quiescent states) fixed a problem where a CPU looping in the kernel with but one runnable task would give RCU CPU stall warnings, even if the in-kernel loop contained cond_resched() calls. Unfortunately, in so doing, it introduced performance regressions in Anton Blanchard's will-it-scale "open1" test. The problem appears to be not so much the increased cond_resched() path length as an increase in the rate at which grace periods complete, which increased per-update grace-period overhead. This commit takes a different approach to fixing this bug, mainly by moving the RCU-visible quiescent state from cond_resched() to rcu_note_context_switch(), and by further reducing the check to a simple non-zero test of a single per-CPU variable. However, this approach requires that the force-quiescent-state processing send resched IPIs to the offending CPUs. These will be sent only once the grace period has reached an age specified by the boot/sysfs parameter rcutree.jiffies_till_sched_qs, or once the grace period reaches an age halfway to the point at which RCU CPU stall warnings will be emitted, whichever comes first. Reported-by: Dave Hansen <dave.hansen@intel.com> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Christoph Lameter <cl@gentwo.org> Cc: Mike Galbraith <umgwanakikbuti@gmail.com> Cc: Eric Dumazet <eric.dumazet@gmail.com> Reviewed-by: Josh Triplett <josh@joshtriplett.org> [ paulmck: Made rcu_momentary_dyntick_idle() as suggested by the ktest build robot. Also fixed smp_mb() comment as noted by Oleg Nesterov. ] Merge with e552592e (Reduce overhead of cond_resched() checks for RCU) Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
2014-06-23regulator: palmas: Add tps65917 compatible stringKeerthy1-0/+1
Add tps65917 compatible string. Signed-off-by: Keerthy <j-keerthy@ti.com> Signed-off-by: Mark Brown <broonie@linaro.org>
2014-06-23mfd: Add DT bindings for tps65917 PMICKeerthy1-0/+2
Add DT bindings for tps65917 PMIC. Signed-off-by: Keerthy <j-keerthy@ti.com> Signed-off-by: Mark Brown <broonie@linaro.org>
2014-06-22devicetree: add device tree bindings for cc2520 driverVarka Bhadram1-0/+29
DT bindings for cc2520 radio driver Signed-off-by: Varka Bhadram <varkab@cdac.in> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-06-22Merge 3.16-rc2 into staging-nextGreg Kroah-Hartman6-10/+100
We want the staging fixes here as well.
2014-06-22spi: qup: Remove chip select functionAndy Gross1-0/+6
This patch removes the chip select function. Chip select should instead be supported using GPIOs, defining the DT entry "cs-gpios", and letting the SPI core assert/deassert the chip select as it sees fit. The chip select control inside the controller is buggy. It is supposed to automatically assert the chip select based on the activity in the controller, but it is buggy and doesn't work at all. So instead we elect to use GPIOs. Signed-off-by: Andy Gross <agross@codeaurora.org> Signed-off-by: Mark Brown <broonie@linaro.org>
2014-06-21Merge branch 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linuxLinus Torvalds2-0/+83
Pull i2c new drivers from Wolfram Sang: "Here is a pull request from i2c hoping for the "new driver" rule. Originally, I wanted to send this request during the merge window, but code checkers with very recent additions complained, so a few fixups were needed. So, some more time went by and I merged rc1 to get a stable base" So the "new driver" rule is really about drivers that people absolutely need for the kernel to work on new hardware, which is not so much the case for i2c. So I considered not pulling this, but eventually relented. Just for FYI: the whole (and only) point of "new drivers" is not that new drivers cannot regress things (they can, and they have - by triggering badly tested code on machines that never triggered that code before), but because they can bring to life machines that otherwise wouldn't be useful at all without the drivers. So the new driver rule is for essential things that actual consumers would care about, ie devices like networking or disk drivers that matter to normal people (not server people - they run old kernels anyway, so mainlining new drivers is irrelevant for them). * 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: i2c: sun6-p2wi: fix call to snprintf i2c: rk3x: add NULL entry to the end of_device_id array i2c: sun6i-p2wi: use proper return value in probe i2c: sunxi: add P2WI (Push/Pull 2 Wire Interface) controller support i2c: sunxi: add P2WI DT bindings documentation i2c: rk3x: add driver for Rockchip RK3xxx SoC I2C adapter
2014-06-21Merge branch 'rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuildLinus Torvalds2-3/+3
Pull kbuild fixes from Michal Marek: "There are three fixes for regressions caused by the relative paths series: deb-pkg, tar-pkg and *docs did not work with O=. Plus, there is a fix for the linux-headers deb package and a fixed typo. These are not regression fixes but are safe enough" * 'rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: kbuild: fix a typo in a kbuild document builddeb: fix missing headers in linux-headers package Documentation: Fix DocBook build with relative $(srctree) kbuild: Fix tar-pkg with relative $(objtree) deb-pkg: Fix for relative paths
2014-06-21spi: qup: Add support for v1.1.1Andy Gross1-1/+5
This patch adds support for v1.1.1 of the SPI QUP controller. Signed-off-by: Andy Gross <agross@codeaurora.org> Signed-off-by: Mark Brown <broonie@linaro.org>
2014-06-21Documentation: arm: add URLs to public datasheets for the Marvell Armada 370 SoCThomas Petazzoni1-1/+3
Marvell has very recently released a public version of the "Functional specifications" and "Hardware specifications" datasheets for the Marvell Armada 370 SoC. This allows contributors and developers not under NDA with Marvell to get more details about this SoC than what the current kernel code shows, and hopefully allows to improve the support for this SoC in the mainline kernel, as well as in other projects. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Link: https://lkml.kernel.org/r/1402413878-20224-2-git-send-email-thomas.petazzoni@free-electrons.com Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-06-20dt-binding: add vendor prefix for SolidRunSebastian Hesselbarth1-0/+1
SolidRun is a company from Israel producing small-sized home-media computers like the Marvell Dove based CuBox and Freescale IMX based CuBox-i. Document the missing vendor prefix. Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Link: https://lkml.kernel.org/r/1401140009-31505-1-git-send-email-sebastian.hesselbarth@gmail.com Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-06-20crypto: qat - Update to makefilesTadeusz Struk1-0/+1
Update to makefiles etc. Don't update the firmware/Makefile yet since there is no FW binary in the crypto repo yet. This will be added later. v3 - removed change to ./firmware/Makefile Reviewed-by: Bruce W. Allan <bruce.w.allan@intel.com> Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2014-06-20crypto: ccp - CCP device bindings documentationTom Lendacky1-0/+16
This patch provides the documentation of the device bindings for the AMD Cryptographic Coprocessor driver. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2014-06-19Merge tag 'pm+acpi-3.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pmLinus Torvalds1-4/+10
Pull ACPI and power management fixes from Rafael Wysocki: "These are fixes mostly (ia64 regression related to the ACPI enumeration of devices, cpufreq regressions, fix for I2C controllers included in Intel SoCs, mvebu cpuidle driver fix related to sysfs) plus additional kernel command line arguments from Kees to make it possible to build kernel images with hibernation and the kernel address space randomization included simultaneously, a new ACPI battery driver quirk for a system with a broken BIOS and a couple of ACPI core cleanups. Specifics: - Fix for an ia64 regression introduced during the 3.11 cycle by a commit that modified the hardware initialization ordering and made device discovery fail on some systems. - Fix for a build problem on systems where the cpufreq-cpu0 driver is built-in and the cpu-thermal driver is modular from Arnd Bergmann. - Fix for a recently introduced computational mistake in the intel_pstate driver that leads to excessive rounding errors from Doug Smythies. - Fix for a failure code path in cpufreq_update_policy() that fails to unlock the locks acquired previously from Aaron Plattner. - Fix for the cpuidle mvebu driver to use shorter state names which will prevent the sysfs interface from returning mangled strings. From Gregory Clement. - ACPI LPSS driver fix to make sure that the I2C controllers included in BayTrail SoCs are not held in the reset state while they are being probed from Mika Westerberg. - New kernel command line arguments making it possible to build kernel images with hibernation and kASLR included at the same time and to select which of them will be used via the command line (they are still functionally mutually exclusive, though). From Kees Cook. - ACPI battery driver quirk for Acer Aspire V5-573G that fails to send battery status change notifications timely from Alexander Mezin. - Two ACPI core cleanups from Christoph Jaeger and Fabian Frederick" * tag 'pm+acpi-3.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: cpuidle: mvebu: Fix the name of the states cpufreq: unlock when failing cpufreq_update_policy() intel_pstate: Correct rounding in busy calculation ACPI: use kstrto*() instead of simple_strto*() ACPI / processor replace __attribute__((packed)) by __packed ACPI / battery: add quirk for Acer Aspire V5-573G ACPI / battery: use callback for setting up quirks ACPI / LPSS: Take I2C host controllers out of reset x86, kaslr: boot-time selectable with hibernation PM / hibernate: introduce "nohibernate" boot parameter cpufreq: cpufreq-cpu0: fix CPU_THERMAL dependency ACPI / ia64 / sba_iommu: Restore the working initialization ordering
2014-06-19devres: remove devm_request_and_ioremap()Jingoo Han1-1/+0
devm_request_and_ioremap() was obsoleted by the commit 7509657 ("lib: devres: Introduce devm_ioremap_resource()") and has been deprecated for a long time. So, let's remove this function. In addition, all usages of devm_request_and_ioremap() are also removed. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-06-19w1: new w1_ds2406 driverScott Alfter1-0/+25
Some preliminary work at making use of this driver led me to implement CRC-16 checks on read and write to deal with the occasional glitchiness of the 1-Wire bus. The revised driver (attached) returns an I/O error if the CRC check fails. When reading the chip's state, either you get a valid indication or you get an I/O error. When changing its state, either the change is successful or an I/O error is returned. Signed-off-by: Scott Alfter <scott@alfter.us> Acked-by: Evgeniy Polyakov <zbr@ioremap.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-06-19doc: replace "practise" with "practice" in DocumentationJeremiah Mahler2-3/+3
To keep the Documentation consistent either "practise" or "practice" should be used. Since there are 3 lines with "practise" ~/linux/Documentation$ grep -r practise * | wc -l 3 and 108 lines with "practice" ~/linux/Documentation$ grep -r practice * | wc -l 108 this patch converts "practise" to "practice". Signed-off-by: Jeremiah Mahler <jmmahler@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2014-06-19scsi: doc: fix 'SCSI_NCR_SETUP_MASTER_PARITY'Paul Bolle1-1/+1
Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2014-06-19doc: hpfall.c: fix missing null-terminate after strncpy callRickard Strandqvist1-0/+1
Added a guaranteed null-terminate after call to strncpy. This was partly found using a static code analysis program called cppcheck. Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2014-06-19usb: doc: hotplug.txt code typosJeremiah Mahler1-4/+4
Fixed several typos in the code examples given in Documentation/usb/hotplug.txt. - missing [] with array of struct usb_device_id - checkpatch.pl warning: space between function name and parenthesis - missing terminating ';' Signed-off-by: Jeremiah Mahler <jmmahler@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2014-06-19doc: CN: remove dead link, kerneltrap.org no longer worksPranith Kumar1-4/+0
kerneltrap.org no longer works, remove dead reference Signed-off-by: Pranith Kumar <bobby.prani@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2014-06-19doc: LSM: update reference, kerneltrap.org no longer worksPranith Kumar1-1/+1
kerneltrap.org no longer works, update to a working reference Signed-off-by: Pranith Kumar <bobby.prani@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2014-06-19doc: SubmittingPatches: remove dead link, kerneltrap.org no longer worksPranith Kumar1-4/+0
kerneltrap.org no longer works, remove the dead reference Signed-off-by: Pranith Kumar <bobby.prani@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2014-06-19doc: RCU: update reference, kerneltrap.org no longer worksPranith Kumar1-2/+2
kerneltrap.org no longer works, update to a working reference Signed-off-by: Pranith Kumar <bobby.prani@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2014-06-19drm: add register and unregister functions for connectorsThomas Wood1-3/+3
Introduce generic functions to register and unregister connectors. This provides a common place to add and remove associated user space interfaces. Signed-off-by: Thomas Wood <thomas.wood@intel.com> Reviewed-by: David Herrmann <dh.herrmann@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2014-06-18Merge tag 'iio-for-3.17a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-nextGreg Kroah-Hartman2-0/+24
Jonathan writes: First round of new drivers, cleanups and functionality for the 3.17 cycle. New drivers * t5403 barometric pressure sensor * kxcjk1013 accelerometer (with a locking followup fix). * ak09911 digital compass Documentation * ABI docs for proximity added (interface has been there a long time but somehow snuck through without being documented) * Move iio-trig-sysfs documentation out of staging (got left behind when the driver moved some time ago). Cleanups * drop the timestamp argument from iio_trigger_poll(_chained) as nothing has been done with it for some time. * ad799x kerneldoc for ad799x_chip brought up to date. * replace a number of reimplementations of the GENMASK macro and use the BIT macro to cleanup a few locations. * bring the iio_event_monitor example program up to date with new device types. * fix some incorrect function prototypes in iio_utils.h example code. * INDIO_RING_TRIGGERED to INDIO_BUFFER_TRIGGERED fix in docs. This got left behind after we renamed it a long time back. * fix error handling in the generic_buffer example program. * small tidy ups in the iio-trig-periodic-rtc driver. * Allow reseting iio-trig-periodic-rtc frequency to 0 (default) after it has changed. * Trivial tidy ups in coding style in iio_simply_dummy
2014-06-18kbuild: fix a typo in a kbuild documentMasahiro Yamada1-1/+1
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
2014-06-18ASoC: ak5386: Add regulators to documentation and fix sparse warningDaniel Mack1-0/+4
Document the newly added regulators to the DT binding document. Also, "static const char const *x" is not identical to "static const char * const x", which sparse now complains about. Fix it. Signed-off-by: Daniel Mack <zonque@gmail.com> Signed-off-by: Mark Brown <broonie@linaro.org>
2014-06-18Documentation: Fix DocBook build with relative $(srctree)Michal Marek1-2/+2
After commits 890676c6 (kbuild: Use relative path when building in the source tree) and 9da0763b (kbuild: Use relative path when building in a subdir of the source tree), the $(srctree) variable can be a relative path. This breaks Documentation/DocBook/media/Makefile, because it tries to create symlinks from a subdirectory of the object tree to the source tree. Fix this by using a full path in this case. Reported-by: Randy Dunlap <rdunlap@infradead.org> Acked-by: Randy Dunlap <rdunlap@infradead.org> Tested-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
2014-06-17Merge tag 'v3.16-rc1' into i2c/for-nextWolfram Sang67-451/+3482
Merge a stable base (Linux 3.16-rc1) Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2014-06-17Merge branch 'drm-nouveau-next' of git://anongit.freedesktop.org/git/nouveau/linux-2.6 into drm-nextDave Airlie1-3/+4
This is bigger because it regenerates the internal firmwares after a fix. * 'drm-nouveau-next' of git://anongit.freedesktop.org/git/nouveau/linux-2.6: drm/nouveau/doc: update the thermal documentation drm/nouveau/pwr: fix typo in fifo wrap handling drm/nv50/disp: fix a potential oops in supervisor handling drm/nouveau/disp/dp: don't touch link config after success drm/nouveau/kms: reference vblank for crtc during pageflip. drm/gk104/fb/ram: fixups from an earlier search+replace drm/nv50/gr: remove an unneeded write while initialising PGRAPH drm/nv50/gr: fix overlap while zeroing zcull regions drm/gf100-/gr: report class data to host on fwmthd failure drm/gk104/ibus: increase various random timeouts drm/gk104/clk: only touch divider for mode we'll be using
2014-06-17drm/nouveau/doc: update the thermal documentationMartin Peres1-3/+4
Changes: - Change the maintainer's address (the labri address will expire soon); - Drop the note about not all families supporting all fan modes; - Add a note about the reported RPM not being accurate when driven outside the vbios-defined PWM range. Signed-off-by: Martin Peres <martin.peres@free.fr> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-16ptp: In the testptp utility, use clock_adjtime from glibc when availableChristian Riesch1-1/+4
clock_adjtime was included in glibc 2.14. _GNU_SOURCE must be defined to make it available. Signed-off-by: Christian Riesch <christian.riesch@omicron.at> Cc: Richard Cochran <richardcochran@gmail.com> Acked-by: Richard Cochran <richardcochran@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-06-16x86, kaslr: boot-time selectable with hibernationKees Cook1-4/+7
Changes kASLR from being compile-time selectable (blocked by CONFIG_HIBERNATION), to being boot-time selectable (with hibernation available by default) via the "kaslr" kernel command line. Signed-off-by: Kees Cook <keescook@chromium.org> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-06-16PM / hibernate: introduce "nohibernate" boot parameterKees Cook1-0/+3
To support using kernel features that are not compatible with hibernation, this creates the "nohibernate" kernel boot parameter to disable both hibernation and resume. This allows hibernation support to be a boot-time choice instead of only a compile-time choice. Signed-off-by: Kees Cook <keescook@chromium.org> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-06-16PCI: tegra: Overhaul regulator usageThierry Reding1-3/+32
The current usage of regulators for the Tegra PCIe block is wrong. It doesn't accurately reflect the actual supply inputs of the IP block and therefore isn't as flexible as it should be. Rectify this by describing all possible supply inputs in the device tree binding documentation and deprecate the old supply properties. Signed-off-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>