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Author SHA1 Message Date
Dan Streetman
6e099f557d Documentation: expand/clarify debug documentation 
The pr_debug() and related debug print macros all differ from the normal
pr_XXX() macros, in that the normal ones print unconditionally, while
the debug macros are compiled out unless DEBUG is defined or
CONFIG_DYNAMIC_DEBUG is set.  This isn't obvious, and the only way to
find this out is either to review the actual printk.h code or to read
CodingStyle, and the message there doesn't highlight the fact.

Change Documentation/CodingStyle to clearly indicate that pr_debug() and
related debug printing macros behave differently than all other pr_XXX()
macros, and attempt to clarify when and where the different debug
printing methods might be used.

Add short comment to printk.h above the pr_XXX() macros indicating that
while these macros print unconditionally, pr_debug() does not.

Signed-off-by: Dan Streetman <ddstreet@ieee.org>
Cc: Joe Perches <joe@perches.com>
Cc: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2014-06-04 16:54:17 -07:00
Denys Vlasenko
4a0da71b96 Documentation/sysctl/vm.txt: clarify vfs_cache_pressure description 
Existing description is worded in a way which almost encourages setting of
vfs_cache_pressure above 100, possibly way above it.

Users are left in a dark what this numeric value is - an int?  a
percentage?  what the scale is?

As a result, we are getting reports about noticeable performance
degradation from users who have set vfs_cache_pressure to ridiculously
high values - because they thought there is no downside to it.

Via code inspection it's obvious that this value is treated as a
percentage.  This patch changes text to reflect this fact, and adds a
cautionary paragraph advising against setting vfs_cache_pressure sky high.

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2014-06-04 16:54:13 -07:00
Naoya Horiguchi
3ba08129e3 mm/memory-failure.c: support use of a dedicated thread to handle SIGBUS(BUS_MCEERR_AO) 
Currently memory error handler handles action optional errors in the
deferred manner by default.  And if a recovery aware application wants
to handle it immediately, it can do it by setting PF_MCE_EARLY flag.
However, such signal can be sent only to the main thread, so it's
problematic if the application wants to have a dedicated thread to
handler such signals.

So this patch adds dedicated thread support to memory error handler.  We
have PF_MCE_EARLY flags for each thread separately, so with this patch
AO signal is sent to the thread with PF_MCE_EARLY flag set, not the main
thread.  If you want to implement a dedicated thread, you call prctl()
to set PF_MCE_EARLY on the thread.

Memory error handler collects processes to be killed, so this patch lets
it check PF_MCE_EARLY flag on each thread in the collecting routines.

No behavioral change for all non-early kill cases.

Tony said:

: The old behavior was crazy - someone with a multithreaded process might
: well expect that if they call prctl(PF_MCE_EARLY) in just one thread, then
: that thread would see the SIGBUS with si_code = BUS_MCEERR_A0 - even if
: that thread wasn't the main thread for the process.

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Cc: Kamil Iskra <iskra@mcs.anl.gov>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Borislav Petkov <bp@suse.de>
Cc: Chen Gong <gong.chen@linux.jf.intel.com>
Cc: <stable@vger.kernel.org>	[3.2+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2014-06-04 16:54:13 -07:00
Vladimir Davydov
2ee0646870 Documentation/memcg: warn about incomplete kmemcg state 
Kmemcg is currently under development and lacks some important features.
In particular, it does not have support of kmem reclaim on memory pressure
inside cgroup, which practically makes it unusable in real life.  Let's
warn about it in both Kconfig and Documentation to prevent complaints
arising.

Signed-off-by: Vladimir Davydov <vdavydov@parallels.com>
Acked-by: Michal Hocko <mhocko@suse.cz>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2014-06-04 16:54:00 -07:00
Mel Gorman
4f9b16a647 mm: disable zone_reclaim_mode by default 
When it was introduced, zone_reclaim_mode made sense as NUMA distances
punished and workloads were generally partitioned to fit into a NUMA
node.  NUMA machines are now common but few of the workloads are
NUMA-aware and it's routine to see major performance degradation due to
zone_reclaim_mode being enabled but relatively few can identify the
problem.

Those that require zone_reclaim_mode are likely to be able to detect
when it needs to be enabled and tune appropriately so lets have a
sensible default for the bulk of users.

This patch (of 2):

zone_reclaim_mode causes processes to prefer reclaiming memory from
local node instead of spilling over to other nodes.  This made sense
initially when NUMA machines were almost exclusively HPC and the
workload was partitioned into nodes.  The NUMA penalties were
sufficiently high to justify reclaiming the memory.  On current machines
and workloads it is often the case that zone_reclaim_mode destroys
performance but not all users know how to detect this.  Favour the
common case and disable it by default.  Users that are sophisticated
enough to know they need zone_reclaim_mode will detect it.

Signed-off-by: Mel Gorman <mgorman@suse.de>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Zhang Yanfei <zhangyanfei@cn.fujitsu.com>
Acked-by: Michal Hocko <mhocko@suse.cz>
Reviewed-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2014-06-04 16:53:59 -07:00
Li Zhong
56a3c655a3 memory-hotplug: update documentation to hide information about SECTIONS and remove end_phys_index 
Seems we all agree that information about SECTION, e.g. section size,
sections per memory block should be kept as kernel internals, and not
exposed to userspace.

This patch updates Documentation/memory-hotplug.txt to refer to memory
blocks instead of memory sections where appropriate and added a
paragraph to explain that memory blocks are made of memory sections.
The documentation update is mostly provided by Nathan.

Also, as end_phys_index in code is actually not the end section id, but
the end memory block id, which should always be the same as phys_index.
So it is removed here.

Signed-off-by: Li Zhong <zhong@linux.vnet.ibm.com>
Reviewed-by: Zhang Yanfei <zhangyanfei@cn.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2014-06-04 16:53:58 -07:00
Johannes Weiner
3dae7fec5e mm: memcontrol: remove hierarchy restrictions for swappiness and oom_control 
Per-memcg swappiness and oom killing can currently not be tweaked on a
memcg that is part of a hierarchy, but not the root of that hierarchy.
Users have complained that they can't configure this when they turned on
hierarchy mode.  In fact, with hierarchy mode becoming the default, this
restriction disables the tunables entirely.

But there is no good reason for this restriction.  The settings for
swappiness and OOM killing are taken from whatever memcg whose limit
triggered reclaim and OOM invocation, regardless of its position in the
hierarchy tree.

Allow setting swappiness on any group.  The knob on the root memcg
already reads the global VM swappiness, make it writable as well.

Allow disabling the OOM killer on any non-root memcg.

Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@suse.cz>
Cc: Tejun Heo <tj@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2014-06-04 16:53:58 -07:00
Akinobu Mita
5ea3b1b2f8 cma: add placement specifier for "cma=" kernel parameter 
Currently, "cma=" kernel parameter is used to specify the size of CMA,
but we can't specify where it is located.  We want to locate CMA below
4GB for devices only supporting 32-bit addressing on 64-bit systems
without iommu.

This enables to specify the placement of CMA by extending "cma=" kernel
parameter.

Examples:
 1. locate 64MB CMA below 4GB by "cma=64M@0-4G"
 2. locate 64MB CMA exact at 512MB by "cma=64M@512M"

Note that the DMA contiguous memory allocator on x86 assumes that
page_address() works for the pages to allocate.  So this change requires
to limit end address of contiguous memory area upto max_pfn_mapped to
prevent from locating it on highmem area by the argument of
dma_contiguous_reserve().

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Don Dutile <ddutile@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2014-06-04 16:53:57 -07:00
Linus Torvalds
d27050641e DeviceTree for 3.16: 
- Another round of clean-up of FDT related code in architecture code.
   This removes knowledge of internal FDT details from most architectures
   except powerpc.
 - Conversion of kernel's custom FDT parsing code to use libfdt.
 - DT based initialization for generic serial earlycon. The introduction
   of generic serial earlycon support went in thru tty tree.
 - Improve the platform device naming for DT probed devices to ensure
   unique naming and use parent names instead of a global index.
 - Fix a race condition in of_update_property.
 - Unify the various linker section OF match tables and fix several
   function prototype errors.
 - Update platform_get_irq_byname to work in deferred probe cases.
 - 2 binding doc updates
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Merge tag 'devicetree-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux into next

Pull DeviceTree updates from Rob Herring:
 - Another round of clean-up of FDT related code in architecture code.
   This removes knowledge of internal FDT details from most
   architectures except powerpc.
 - Conversion of kernel's custom FDT parsing code to use libfdt.
 - DT based initialization for generic serial earlycon.  The
   introduction of generic serial earlycon support went in through the
   tty tree.
 - Improve the platform device naming for DT probed devices to ensure
   unique naming and use parent names instead of a global index.
 - Fix a race condition in of_update_property.
 - Unify the various linker section OF match tables and fix several
   function prototype errors.
 - Update platform_get_irq_byname to work in deferred probe cases.
 - 2 binding doc updates

* tag 'devicetree-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (58 commits)
  of: handle NULL node in next_child iterators
  of/irq: provide more wrappers for !CONFIG_OF
  devicetree: bindings: Document micrel vendor prefix
  dt: bindings: dwc2: fix required value for the phy-names property
  of_pci_irq: kill useless variable in of_irq_parse_pci()
  of/irq: do irq resolution in platform_get_irq_byname()
  of: Add a testcase for of_find_node_by_path()
  of: Make of_find_node_by_path() handle /aliases
  of: Create unlocked version of for_each_child_of_node()
  lib: add glibc style strchrnul() variant
  of: Handle memory@0 node on PPC32 only
  pci/of: Remove dead code
  of: fix race between search and remove in of_update_property()
  of: Use NULL for pointers
  of: Stop naming platform_device using dcr address
  of: Ensure unique names without sacrificing determinism
  tty/serial: pl011: add DT based earlycon support
  of/fdt: add FDT serial scanning for earlycon
  of/fdt: add FDT address translation support
  serial: earlycon: add DT support
  ...
 2014-06-04 10:02:38 -07:00
Linus Torvalds
b77279bc2e sound updates for 3.16-rc1 
At this time, majority of changes come from ASoC world while we got a
 few new drivers in other places for FireWire and USB.  There have been
 lots of ASoC core cleanups / refactoring, but very little visible to
 external users.
 
 ASoC
 - Support for specifying aux CODECs in DT
 - Removal of the deprecated mux and enum macros
 - More moves towards full componentisation
 - Removal of some unused I/O code
 - Lots of cleanups, fixes and enhancements to the davinci, Freescale,
   Haswell and Realtek drivers
 - Several drivers exposed directly in Kconfig for use with simple-card
 - GPIO descriptor support for jacks
 - More updates and fixes to the Freescale SSI, Intel and rsnd drivers
 - New drivers for Cirrus CS42L56, Realtek RT5639, RT5642 and RT5651 and
   ST STA350, Analog Devices ADAU1361, ADAU1381, ADAU1761 and ADAU1781,
   and Realtek RT5677
 
 HD-audio:
 - Clean up Dell headset quirks
 - Noise fixes for Dell and Sony laptops
 - Thinkpad T440 dock fix
 - Realtek codec updates (ALC293,ALC233,ALC3235)
 - Tegra HD-audio HDMI support
 
 FireWire-audio:
 - FireWire audio stack enhancement (AMDTP, MIDI), support for incoming
   isochronous stream and duplex streams with timestamp synchronization
 - BeBoB-based devices support
 - Fireworks-based device support
 
 USB-audio:
 - Behringer BCD2000 USB device support
 
 Misc:
 - Clean up of a few old drivers, atmel, fm801, etc
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Merge tag 'sound-3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound into next

Pull sound updates from Takashi Iwai:
 "At this time, majority of changes come from ASoC world while we got a
  few new drivers in other places for FireWire and USB.  There have been
  lots of ASoC core cleanups / refactoring, but very little visible to
  external users.

  ASoC:
   - Support for specifying aux CODECs in DT
   - Removal of the deprecated mux and enum macros
   - More moves towards full componentisation
   - Removal of some unused I/O code
   - Lots of cleanups, fixes and enhancements to the davinci, Freescale,
     Haswell and Realtek drivers
   - Several drivers exposed directly in Kconfig for use with
     simple-card
   - GPIO descriptor support for jacks
   - More updates and fixes to the Freescale SSI, Intel and rsnd drivers
   - New drivers for Cirrus CS42L56, Realtek RT5639, RT5642 and RT5651
     and ST STA350, Analog Devices ADAU1361, ADAU1381, ADAU1761 and
     ADAU1781, and Realtek RT5677

  HD-audio:
   - Clean up Dell headset quirks
   - Noise fixes for Dell and Sony laptops
   - Thinkpad T440 dock fix
   - Realtek codec updates (ALC293,ALC233,ALC3235)
   - Tegra HD-audio HDMI support

  FireWire-audio:
   - FireWire audio stack enhancement (AMDTP, MIDI), support for
     incoming isochronous stream and duplex streams with timestamp
     synchronization
   - BeBoB-based devices support
   - Fireworks-based device support

  USB-audio:
   - Behringer BCD2000 USB device support

  Misc:
   - Clean up of a few old drivers, atmel, fm801, etc"

* tag 'sound-3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (480 commits)
  ASoC: Fix wrong argument for card remove callbacks
  ASoC: free jack GPIOs before the sound card is freed
  ALSA: firewire-lib: Remove a comment about restriction of asynchronous operation
  ASoC: cache: Fix error code when not using ASoC level cache
  ALSA: hda/realtek - Fix COEF widget NID for ALC260 replacer fixup
  ALSA: hda/realtek - Correction of fixup codes for PB V7900 laptop
  ALSA: firewire-lib: Use IEC 61883-6 compliant labels for Raw Audio data
  ASoC: add RT5677 CODEC driver
  ASoC: intel: The Baytrail/MAX98090 driver depends on I2C
  ASoC: rt5640: Add the function "get_clk_info" to RL6231 shared support
  ASoC: rt5640: Add the function of the PLL clock calculation to RL6231 shared support
  ASoC: rt5640: Add RL6231 class device shared support for RT5640, RT5645 and RT5651
  ASoC: cache: Fix possible ZERO_SIZE_PTR pointer dereferencing error.
  ASoC: Add helper functions to cast from DAPM context to CODEC/platform
  ALSA: bebob: sizeof() vs ARRAY_SIZE() typo
  ASoC: wm9713: correct mono out PGA sources
  ALSA: synth: emux: soundfont.c: Cleaning up memory leak
  ASoC: fsl: Remove dependencies of boards for SND_SOC_EUKREA_TLV320
  ASoC: fsl-ssi: Use regmap
  ASoC: fsl-ssi: reorder and document fsl_ssi_private
  ...
 2014-06-04 09:08:25 -07:00
Linus Torvalds
15b5883031 fbdev changes for 3.16 (omap) 
* DT support for the panel drivers that were still missing it
 * TI AM43xx support
 * TI OMAP5 support
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Merge tag 'fbdev-omap-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux into next

Pull omap fbdev changes from Tomi Valkeinen:
 - DT support for the panel drivers that were still missing it
 - TI AM43xx support
 - TI OMAP5 support

* tag 'fbdev-omap-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: (46 commits)
  OMAPDSS: move 'compatible' converter to omapdss driver
  OMAPDSS: HDMI: fix devm_ioremap_resource error checks
  OMAPDSS: HDMI: remove unused defines
  OMAPDSS: HDMI: cleanup WP ioremaps
  OMAPDSS: panel NEC-NL8048HL11 DT support
  Doc/DT: Add DT binding documentation for TPO td043mtea1 panel
  OMAPDSS: Panel TPO-TD043MTEA1 DT support
  Doc/DT: Add DT binding documentation for SHARP LS037V7DW01
  OMAPDSS: panel sharp-ls037v7dw01 DT support
  OMAPDSS: panel-sharp-ls037v7dw01: update to use gpiod
  Doc/DT: Add binding doc for lgphilips,lb035q02.txt
  OMAPDSS: panel-lgphilips-lb035q02: Add DT support
  OMAPDSS: panel-lgphilips-lb035q02: use gpiod for enable gpio
  OMAPDSS: hdmi5_core: Fix compilation with OMAP5_DSS_HDMI_AUDIO
  OMAPDSS: panel-dpi: enable-gpio
  OMAPDSS: Fix writes to DISPC_POL_FREQ
  Doc/DT: Add OMAP5 DSS DT bindings
  OMAPDSS: HDMI: cleanup ioremaps
  OMAPDSS: HDMI: Add OMAP5 HDMI support
  OMAPDSS: HDMI: PLL changes for OMAP5
  ...
 2014-06-04 09:07:08 -07:00
Linus Torvalds
4dc4226f99 ACPI and power management updates for 3.16-rc1 
- ACPICA update to upstream version 20140424.  That includes a
    number of fixes and improvements related to things like GPE
    handling, table loading, headers, memory mapping and unmapping,
    DSDT/SSDT overriding, and the Unload() operator.  The acpidump
    utility from upstream ACPICA is included too.  From Bob Moore,
    Lv Zheng, David Box, David Binderman, and Colin Ian King.
 
  - Fixes and cleanups related to ACPI video and backlight interfaces
    from Hans de Goede.  That includes blacklist entries for some new
    machines and using native backlight by default.
 
  - ACPI device enumeration changes to create platform devices
    rather than PNP devices for ACPI device objects with _HID by
    default.  PNP devices will still be created for the ACPI device
    object with device IDs corresponding to real PNP devices, so
    that change should not break things left and right, and we're
    expecting to see more and more ACPI-enumerated platform devices
    in the future.  From Zhang Rui and Rafael J Wysocki.
 
  - Updates for the ACPI LPSS (Low-Power Subsystem) driver allowing
    it to handle system suspend/resume on Asus T100 correctly.
    From Heikki Krogerus and Rafael J Wysocki.
 
  - PM core update introducing a mechanism to allow runtime-suspended
    devices to stay suspended over system suspend/resume transitions
    if certain additional conditions related to coordination within
    device hierarchy are met.  Related PM documentation update and
    ACPI PM domain support for the new feature.  From Rafael J Wysocki.
 
  - Fixes and improvements related to the "freeze" sleep state. They
    affect several places including cpuidle, PM core, ACPI core, and
    the ACPI battery driver.  From Rafael J Wysocki and Zhang Rui.
 
  - Miscellaneous fixes and updates of the ACPI core from Aaron Lu,
    Bjørn Mork, Hanjun Guo, Lan Tianyu, and Rafael J Wysocki.
 
  - Fixes and cleanups for the ACPI processor and ACPI PAD (Processor
    Aggregator Device) drivers from Baoquan He, Manuel Schölling,
    Tony Camuso, and Toshi Kani.
 
  - System suspend/resume optimization in the ACPI battery driver from
    Lan Tianyu.
 
  - OPP (Operating Performance Points) subsystem updates from
    Chander Kashyap, Mark Brown, and Nishanth Menon.
 
  - cpufreq core fixes, updates and cleanups from Srivatsa S Bhat,
    Stratos Karafotis, and Viresh Kumar.
 
  - Updates, fixes and cleanups for the Tegra, powernow-k8, imx6q,
    s5pv210, nforce2, and powernv cpufreq drivers from Brian Norris,
    Jingoo Han, Paul Bolle, Philipp Zabel, Stratos Karafotis, and
    Viresh Kumar.
 
  - intel_pstate driver fixes and cleanups from Dirk Brandewie,
    Doug Smythies, and Stratos Karafotis.
 
  - Enabling the big.LITTLE cpufreq driver on arm64 from Mark Brown.
 
  - Fix for the cpuidle menu governor from Chander Kashyap.
 
  - New ARM clps711x cpuidle driver from Alexander Shiyan.
 
  - Hibernate core fixes and cleanups from Chen Gang, Dan Carpenter,
    Fabian Frederick, Pali Rohár, and Sebastian Capella.
 
  - Intel RAPL (Running Average Power Limit) driver updates from
    Jacob Pan.
 
  - PNP subsystem updates from Bjorn Helgaas and Fabian Frederick.
 
  - devfreq core updates from Chanwoo Choi and Paul Bolle.
 
  - devfreq updates for exynos4 and exynos5 from Chanwoo Choi and
    Bartlomiej Zolnierkiewicz.
 
  - turbostat tool fix from Jean Delvare.
 
  - cpupower tool updates from Prarit Bhargava, Ramkumar Ramachandra
    and Thomas Renninger.
 
  - New ACPI ec_access.c tool for poking at the EC in a safe way
    from Thomas Renninger.
 
 /
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Merge tag 'pm+acpi-3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm into next

Pull ACPI and power management updates from Rafael Wysocki:
 "ACPICA is the leader this time (63 commits), followed by cpufreq (28
  commits), devfreq (15 commits), system suspend/hibernation (12
  commits), ACPI video and ACPI device enumeration (10 commits each).

  We have no major new features this time, but there are a few
  significant changes of how things work.  The most visible one will
  probably be that we are now going to create platform devices rather
  than PNP devices by default for ACPI device objects with _HID.  That
  was long overdue and will be really necessary to be able to use the
  same drivers for the same hardware blocks on ACPI and DT-based systems
  going forward.  We're not expecting fallout from this one (as usual),
  but it's something to watch nevertheless.

  The second change having a chance to be visible is that ACPI video
  will now default to using native backlight rather than the ACPI
  backlight interface which should generally help systems with broken
  Win8 BIOSes.  We're hoping that all problems with the native backlight
  handling that we had previously have been addressed and we are in a
  good enough shape to flip the default, but this change should be easy
  enough to revert if need be.

  In addition to that, the system suspend core has a new mechanism to
  allow runtime-suspended devices to stay suspended throughout system
  suspend/resume transitions if some extra conditions are met
  (generally, they are related to coordination within device hierarchy).
  However, enabling this feature requires cooperation from the bus type
  layer and for now it has only been implemented for the ACPI PM domain
  (used by ACPI-enumerated platform devices mostly today).

  Also, the acpidump utility that was previously shipped as a separate
  tool will now be provided by the upstream ACPICA along with the rest
  of ACPICA code, which will allow it to be more up to date and better
  supported, and we have one new cpuidle driver (ARM clps711x).

  The rest is improvements related to certain specific use cases,
  cleanups and fixes all over the place.

  Specifics:

   - ACPICA update to upstream version 20140424.  That includes a number
     of fixes and improvements related to things like GPE handling,
     table loading, headers, memory mapping and unmapping, DSDT/SSDT
     overriding, and the Unload() operator.  The acpidump utility from
     upstream ACPICA is included too.  From Bob Moore, Lv Zheng, David
     Box, David Binderman, and Colin Ian King.

   - Fixes and cleanups related to ACPI video and backlight interfaces
     from Hans de Goede.  That includes blacklist entries for some new
     machines and using native backlight by default.

   - ACPI device enumeration changes to create platform devices rather
     than PNP devices for ACPI device objects with _HID by default.  PNP
     devices will still be created for the ACPI device object with
     device IDs corresponding to real PNP devices, so that change should
     not break things left and right, and we're expecting to see more
     and more ACPI-enumerated platform devices in the future.  From
     Zhang Rui and Rafael J Wysocki.

   - Updates for the ACPI LPSS (Low-Power Subsystem) driver allowing it
     to handle system suspend/resume on Asus T100 correctly.  From
     Heikki Krogerus and Rafael J Wysocki.

   - PM core update introducing a mechanism to allow runtime-suspended
     devices to stay suspended over system suspend/resume transitions if
     certain additional conditions related to coordination within device
     hierarchy are met.  Related PM documentation update and ACPI PM
     domain support for the new feature.  From Rafael J Wysocki.

   - Fixes and improvements related to the "freeze" sleep state.  They
     affect several places including cpuidle, PM core, ACPI core, and
     the ACPI battery driver.  From Rafael J Wysocki and Zhang Rui.

   - Miscellaneous fixes and updates of the ACPI core from Aaron Lu,
     Bjørn Mork, Hanjun Guo, Lan Tianyu, and Rafael J Wysocki.

   - Fixes and cleanups for the ACPI processor and ACPI PAD (Processor
     Aggregator Device) drivers from Baoquan He, Manuel Schölling, Tony
     Camuso, and Toshi Kani.

   - System suspend/resume optimization in the ACPI battery driver from
     Lan Tianyu.

   - OPP (Operating Performance Points) subsystem updates from Chander
     Kashyap, Mark Brown, and Nishanth Menon.

   - cpufreq core fixes, updates and cleanups from Srivatsa S Bhat,
     Stratos Karafotis, and Viresh Kumar.

   - Updates, fixes and cleanups for the Tegra, powernow-k8, imx6q,
     s5pv210, nforce2, and powernv cpufreq drivers from Brian Norris,
     Jingoo Han, Paul Bolle, Philipp Zabel, Stratos Karafotis, and
     Viresh Kumar.

   - intel_pstate driver fixes and cleanups from Dirk Brandewie, Doug
     Smythies, and Stratos Karafotis.

   - Enabling the big.LITTLE cpufreq driver on arm64 from Mark Brown.

   - Fix for the cpuidle menu governor from Chander Kashyap.

   - New ARM clps711x cpuidle driver from Alexander Shiyan.

   - Hibernate core fixes and cleanups from Chen Gang, Dan Carpenter,
     Fabian Frederick, Pali Rohár, and Sebastian Capella.

   - Intel RAPL (Running Average Power Limit) driver updates from Jacob
     Pan.

   - PNP subsystem updates from Bjorn Helgaas and Fabian Frederick.

   - devfreq core updates from Chanwoo Choi and Paul Bolle.

   - devfreq updates for exynos4 and exynos5 from Chanwoo Choi and
     Bartlomiej Zolnierkiewicz.

   - turbostat tool fix from Jean Delvare.

   - cpupower tool updates from Prarit Bhargava, Ramkumar Ramachandra
     and Thomas Renninger.

   - New ACPI ec_access.c tool for poking at the EC in a safe way from
     Thomas Renninger"

* tag 'pm+acpi-3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (187 commits)
  ACPICA: Namespace: Remove _PRP method support.
  intel_pstate: Improve initial busy calculation
  intel_pstate: add sample time scaling
  intel_pstate: Correct rounding in busy calculation
  intel_pstate: Remove C0 tracking
  PM / hibernate: fixed typo in comment
  ACPI: Fix x86 regression related to early mapping size limitation
  ACPICA: Tables: Add mechanism to control early table checksum verification.
  ACPI / scan: use platform bus type by default for _HID enumeration
  ACPI / scan: always register ACPI LPSS scan handler
  ACPI / scan: always register memory hotplug scan handler
  ACPI / scan: always register container scan handler
  ACPI / scan: Change the meaning of missing .attach() in scan handlers
  ACPI / scan: introduce platform_id device PNP type flag
  ACPI / scan: drop unsupported serial IDs from PNP ACPI scan handler ID list
  ACPI / scan: drop IDs that do not comply with the ACPI PNP ID rule
  ACPI / PNP: use device ID list for PNPACPI device enumeration
  ACPI / scan: .match() callback for ACPI scan handlers
  ACPI / battery: wakeup the system only when necessary
  power_supply: allow power supply devices registered w/o wakeup source
  ...
 2014-06-04 08:57:16 -07:00
Linus Torvalds
d6b92c2c37 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid into next 
Pull HID patches from Jiri Kosina:
 - RMI driver for Synaptics touchpads, by Benjamin Tissoires, Andrew
   Duggan and Jiri Kosina
 - cleanup of hid-sony driver and improved support for Sixaxis and
   Dualshock 4, by Frank Praznik
 - other usual small fixes and support for new device IDs

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (29 commits)
  HID: thingm: thingm_fwinfo[] doesn't need to be global
  HID: core: add two new usages for digitizer
  HID: hid-sensor-hub: new device id and quirk for STM Sensor hub
  HID: usbhid: enable NO_INIT_REPORTS quirk for Semico USB Keykoard
  HID: hid-sensor-hub: Set report quirk for Microsoft Surface
  HID: debug: add labels for HID Sensor Usages
  HID: uhid: Use kmemdup instead of kmalloc + memcpy
  HID: rmi: do not handle touchscreens through hid-rmi
  HID: quirk for Saitek RAT7 and MMO7 mices' mode button
  HID: core: fix validation of report id 0
  HID: rmi: fix masks for x and w_x data
  HID: rmi: fix wrong struct field name
  HID: rmi: do not fetch more than 16 bytes in a query
  HID: rmi: check for the existence of some optional queries before reading query 12
  HID: i2c-hid: hid report descriptor retrieval changes
  HID: add missing hid usages
  HID: hid-sony - allow 3rd party INTEC controller to turn off all leds
  HID: sony: Add blink support to the Sixaxis and DualShock 4 LEDs
  HID: sony: Initialize the controller LEDs with a device ID value
  HID: sony: Use the controller Bluetooth MAC address as the unique value in the battery name string
  ...
 2014-06-04 08:52:36 -07:00
Linus Torvalds
1aacb90eaa Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial into next 
Pull trivial tree changes from Jiri Kosina:
 "Usual pile of patches from trivial tree that make the world go round"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (23 commits)
  staging: go7007: remove reference to CONFIG_KMOD
  aic7xxx: Remove obsolete preprocessor define
  of: dma: doc fixes
  doc: fix incorrect formula to calculate CommitLimit value
  doc: Note need of bc in the kernel build from 3.10 onwards
  mm: Fix printk typo in dmapool.c
  modpost: Fix comment typo "Modules.symvers"
  Kconfig.debug: Grammar s/addition/additional/
  wimax: Spelling s/than/that/, wording s/destinatary/recipient/
  aic7xxx: Spelling s/termnation/termination/
  arm64: mm: Remove superfluous "the" in comment
  of: Spelling s/anonymouns/anonymous/
  dma: imx-sdma: Spelling s/determnine/determine/
  ath10k: Improve grammar in comments
  ath6kl: Spelling s/determnine/determine/
  of: Improve grammar for of_alias_get_id() documentation
  drm/exynos: Spelling s/contro/control/
  radio-bcm2048.c: fix wrong overflow check
  doc: printk-formats: do not mention casts for u64/s64
  doc: spelling error changes
  ...
 2014-06-04 08:50:34 -07:00
Linus Torvalds
b05d59dfce At over 200 commits, covering almost all supported architectures, this 
was a pretty active cycle for KVM.  Changes include:
 
 - a lot of s390 changes: optimizations, support for migration,
   GDB support and more
 
 - ARM changes are pretty small: support for the PSCI 0.2 hypercall
   interface on both the guest and the host (the latter acked by Catalin)
 
 - initial POWER8 and little-endian host support
 
 - support for running u-boot on embedded POWER targets
 
 - pretty large changes to MIPS too, completing the userspace interface
   and improving the handling of virtualized timer hardware
 
 - for x86, a larger set of changes is scheduled for 3.17.  Still,
   we have a few emulator bugfixes and support for running nested
   fully-virtualized Xen guests (para-virtualized Xen guests have
   always worked).  And some optimizations too.
 
 The only missing architecture here is ia64.  It's not a coincidence
 that support for KVM on ia64 is scheduled for removal in 3.17.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm into next

Pull KVM updates from Paolo Bonzini:
 "At over 200 commits, covering almost all supported architectures, this
  was a pretty active cycle for KVM.  Changes include:

   - a lot of s390 changes: optimizations, support for migration, GDB
     support and more

   - ARM changes are pretty small: support for the PSCI 0.2 hypercall
     interface on both the guest and the host (the latter acked by
     Catalin)

   - initial POWER8 and little-endian host support

   - support for running u-boot on embedded POWER targets

   - pretty large changes to MIPS too, completing the userspace
     interface and improving the handling of virtualized timer hardware

   - for x86, a larger set of changes is scheduled for 3.17.  Still, we
     have a few emulator bugfixes and support for running nested
     fully-virtualized Xen guests (para-virtualized Xen guests have
     always worked).  And some optimizations too.

  The only missing architecture here is ia64.  It's not a coincidence
  that support for KVM on ia64 is scheduled for removal in 3.17"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (203 commits)
  KVM: add missing cleanup_srcu_struct
  KVM: PPC: Book3S PR: Rework SLB switching code
  KVM: PPC: Book3S PR: Use SLB entry 0
  KVM: PPC: Book3S HV: Fix machine check delivery to guest
  KVM: PPC: Book3S HV: Work around POWER8 performance monitor bugs
  KVM: PPC: Book3S HV: Make sure we don't miss dirty pages
  KVM: PPC: Book3S HV: Fix dirty map for hugepages
  KVM: PPC: Book3S HV: Put huge-page HPTEs in rmap chain for base address
  KVM: PPC: Book3S HV: Fix check for running inside guest in global_invalidates()
  KVM: PPC: Book3S: Move KVM_REG_PPC_WORT to an unused register number
  KVM: PPC: Book3S: Add ONE_REG register names that were missed
  KVM: PPC: Add CAP to indicate hcall fixes
  KVM: PPC: MPIC: Reset IRQ source private members
  KVM: PPC: Graciously fail broken LE hypercalls
  PPC: ePAPR: Fix hypercall on LE guest
  KVM: PPC: BOOK3S: Remove open coded make_dsisr in alignment handler
  KVM: PPC: BOOK3S: Always use the saved DAR value
  PPC: KVM: Make NX bit available with magic page
  KVM: PPC: Disable NX for old magic page using guests
  KVM: PPC: BOOK3S: HV: Add mixed page-size support for guest
  ...
 2014-06-04 08:47:12 -07:00
Jiri Kosina
beea3f4a29 Merge branches 'for-3.16/i2c-hid', 'for-3.16/rmi4', 'for-3.16/sony' and 'for-3.16/thingm' into for-linus 2014-06-04 13:09:43 +02:00
Rafael J. Wysocki
057beb1de5 Merge branch 'pm-cpufreq' 
* pm-cpufreq: (28 commits)
  cpufreq: handle calls to ->target_index() in separate routine
  cpufreq: s5pv210: drop check for CONFIG_PM_VERBOSE
  cpufreq: intel_pstate: Remove unused member name of cpudata
  cpufreq: Break out early when frequency equals target_freq
  cpufreq: Tegra: drop wrapper around tegra_update_cpu_speed()
  cpufreq: imx6q: Remove unused include
  cpufreq: imx6q: Drop devm_clk/regulator_get usage
  cpufreq: powernow-k8: Suppress checkpatch warnings
  cpufreq: powernv: make local function static
  cpufreq: Enable big.LITTLE cpufreq driver on arm64
  cpufreq: nforce2: remove DEFINE_PCI_DEVICE_TABLE macro
  intel_pstate: Add CPU IDs for Broadwell processors
  cpufreq: Fix build error on some platforms that use cpufreq_for_each_*
  PM / OPP: Move cpufreq specific OPP functions out of generic OPP library
  PM / OPP: Remove cpufreq wrapper dependency on internal data organization
  cpufreq: Catch double invocations of cpufreq_freq_transition_begin/end
  intel_pstate: Remove sample parameter in intel_pstate_calc_busy
  cpufreq: Kconfig: Fix spelling errors
  cpufreq: Make linux-pm@vger.kernel.org official mailing list
  cpufreq: exynos: Use dev_err/info function instead of pr_err/info
  ...
 2014-06-03 23:13:20 +02:00
Rafael J. Wysocki
cd0c5bd391 Merge branches 'pnp', 'powercap', 'pm-runtime' and 'pm-opp' 
* pnp:
  MAINTAINERS: Remove Bjorn Helgaas as PNP maintainer
  PNP / resources: remove positive test on unsigned values

* powercap:
  powercap / RAPL: add new CPU IDs
  powercap / RAPL: further relax energy counter checks

* pm-runtime:
  PM / runtime: Update documentation to reflect the current code flow

* pm-opp:
  PM / OPP: discard duplicate OPPs
  PM / OPP: Make OPP invisible to users in Kconfig
  PM / OPP: fix incorrect OPP count handling in of_init_opp_table
 2014-06-03 23:13:00 +02:00
Rafael J. Wysocki
d9bd44933c Merge branch 'acpi-video' 
* acpi-video:
  ACPI / video: Add 4 new models to the use_native_backlight DMI list
  ACPI / video: Add use native backlight quirk for the ThinkPad W530
  ACPI / video: Unregister the backlight device if a raw one shows up later
  backlight: Add backlight device (un)registration notification
  nouveau: Don't check acpi_video_backlight_support() before registering backlight
  acer-wmi: Add Aspire 5741 to video_vendor_dmi_table
  acer-wmi: Switch to acpi_video_unregister_backlight
  ACPI / video: Add an acpi_video_unregister_backlight function
  ACPI / video: Don't register acpi_video_resume notifier without backlight devices
  ACPI / video: change acpi-video brightness_switch_enabled default to 0
 2014-06-03 23:12:37 +02:00
Rafael J. Wysocki
0e36d43c9c Merge branch 'acpica' 
* acpica: (63 commits)
  ACPICA: Namespace: Remove _PRP method support.
  ACPI: Fix x86 regression related to early mapping size limitation
  ACPICA: Tables: Add mechanism to control early table checksum verification.
  ACPICA: acpidump: Fix repetitive table dump in -n mode.
  ACPI: Clean up acpi_os_map/unmap_memory() to eliminate __iomem.
  ACPICA: Clean up redudant definitions already defined elsewhere
  ACPICA: Linux headers: Add <asm/acenv.h> to remove mis-ordered inclusion of <asm/acpi.h>
  ACPICA: Linux headers: Add <acpi/platform/aclinuxex.h>
  ACPICA: Linux headers: Remove ACPI_PREEMPTION_POINT() due to no usages.
  ACPICA: Update version to 20140424.
  ACPICA: Comment/format update, no functional change.
  ACPICA: Events: Update GPE handling and initialization code.
  ACPICA: Remove extraneous error message for large number of GPEs.
  ACPICA: Tables: Remove old mechanism to validate if XSDT contains NULL entries.
  ACPICA: Tables: Add new mechanism to skip NULL entries in RSDT and XSDT.
  ACPICA: acpidump: Add support to force using RSDT.
  ACPICA: Back port of improvements on exception code.
  ACPICA: Back port of _PRP update.
  ACPICA: acpidump: Fix truncated RSDP signature validation.
  ACPICA: Linux header: Add support for stubbed externals.
  ...
 2014-06-03 23:12:27 +02:00
Rafael J. Wysocki
ee7f9d7c7c Merge branch 'pm-sleep' 
* pm-sleep:
  PM / hibernate: fixed typo in comment
  PM / sleep: unregister wakeup source when disabling device wakeup
  PM / sleep: Introduce command line argument for sleep state enumeration
  PM / sleep: Use valid_state() for platform-dependent sleep states only
  PM / sleep: Add state field to pm_states[] entries
  PM / sleep: Update device PM documentation to cover direct_complete
  PM / sleep: Mechanism to avoid resuming runtime-suspended devices unnecessarily
  PM / hibernate: Fix memory corruption in resumedelay_setup()
  PM / hibernate: convert simple_strtoul to kstrtoul
  PM / hibernate: Documentation: Fix script for unswapping
  PM / hibernate: no kernel_power_off when pm_power_off NULL
  PM / hibernate: use unsigned local variables in swsusp_show_speed()
 2014-06-03 23:10:23 +02:00
Linus Torvalds
776edb5931 Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into next 
Pull core locking updates from Ingo Molnar:
 "The main changes in this cycle were:

   - reduced/streamlined smp_mb__*() interface that allows more usecases
     and makes the existing ones less buggy, especially in rarer
     architectures

   - add rwsem implementation comments

   - bump up lockdep limits"

* 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (33 commits)
  rwsem: Add comments to explain the meaning of the rwsem's count field
  lockdep: Increase static allocations
  arch: Mass conversion of smp_mb__*()
  arch,doc: Convert smp_mb__*()
  arch,xtensa: Convert smp_mb__*()
  arch,x86: Convert smp_mb__*()
  arch,tile: Convert smp_mb__*()
  arch,sparc: Convert smp_mb__*()
  arch,sh: Convert smp_mb__*()
  arch,score: Convert smp_mb__*()
  arch,s390: Convert smp_mb__*()
  arch,powerpc: Convert smp_mb__*()
  arch,parisc: Convert smp_mb__*()
  arch,openrisc: Convert smp_mb__*()
  arch,mn10300: Convert smp_mb__*()
  arch,mips: Convert smp_mb__*()
  arch,metag: Convert smp_mb__*()
  arch,m68k: Convert smp_mb__*()
  arch,m32r: Convert smp_mb__*()
  arch,ia64: Convert smp_mb__*()
  ...
 2014-06-03 12:57:53 -07:00
Linus Torvalds
59a3d4c363 Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into next 
Pull RCU changes from Ingo Molnar:
 "The main RCU changes in this cycle were:

   - RCU torture-test changes.

   - variable-name renaming cleanup.

   - update RCU documentation.

   - miscellaneous fixes.

   - patch to suppress RCU stall warnings while sysrq requests are being
     processed"

* 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (68 commits)
  rcu: Provide API to suppress stall warnings while sysrc runs
  rcu: Variable name changed in tree_plugin.h and used in tree.c
  torture: Remove unused definition
  torture: Remove __init from torture_init_begin/end
  torture: Check for multiple concurrent torture tests
  locktorture: Remove reference to nonexistent Kconfig parameter
  rcutorture: Run rcu_torture_writer at normal priority
  rcutorture: Note diffs from git commits
  rcutorture: Add missing destroy_timer_on_stack()
  rcutorture: Explicitly test synchronous grace-period primitives
  rcutorture:  Add tests for get_state_synchronize_rcu()
  rcutorture: Test RCU-sched primitives in TREE_PREEMPT_RCU kernels
  torture: Use elapsed time to detect hangs
  rcutorture: Check for rcu_torture_fqs creation errors
  torture: Better summary diagnostics for build failures
  torture: Notice if an all-zero cpumask is passed inside a critical section
  rcutorture: Make rcu_torture_reader() use cond_resched()
  sched,rcu: Make cond_resched() report RCU quiescent states
  percpu: Fix raw_cpu_inc_return()
  rcutorture: Export RCU grace-period kthread wait state to rcutorture
  ...
 2014-06-03 12:35:05 -07:00
Linus Torvalds
312c76f1a3 regulator: Updates for v3.16 
The bulk of the changes for this release are a few new drivers however
 there are a couple of noticable core changes and the usual stream of
 cleanups and fixes:
 
  - Move disable of unused regulators later in init so it comes after
    deferred probe has iterated making startup smoother.
  - Fixes reference counting of the DT nodes for constraints from Charles
    Keepax.  This has little practical impact since all real users of
    the regulator bindings use FDT which doesn't need the reference
    counting.
  - Lots of cleanups, especially to the Samsung drivers.
  - Support for Linear Technologies LTC3589, Texas Instruments TPS658640
    and X-Powers AXP20x.
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Merge tag 'regulator-v3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator into next

Pull regulator updates from Mark Brown:
 "The bulk of the changes for this release are a few new drivers however
  there are a couple of noticable core changes and the usual stream of
  cleanups and fixes:

   - move disable of unused regulators later in init so it comes after
     deferred probe has iterated making startup smoother.
   - fixes to reference counting of the DT nodes for constraints from
     Charles Keepax.  This has little practical impact since all real
     users of the regulator bindings use FDT which doesn't need the
     reference counting.
   - lots of cleanups, especially to the Samsung drivers.
   - support for Linear Technologies LTC3589, Texas Instruments
     TPS658640 and X-Powers AXP20x"

* tag 'regulator-v3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (64 commits)
  regulator: pbias: remove unnecessary OOM messages
  regulator: max8649: remove unnecessary OOM messages
  regulator: core: Fix the init of DT defined fixed regulators
  regulator: core: Disable unused regulators after deferred probing is done
  regulator: Don't disable unused regulators we don't have permission for
  regulator: axp20x: Use regulator_map_voltage_ascend for LDO4
  regulator: use of_property_read_{bool|u32}()
  regulator: Fix regulator_get_{optional,exclusive}() documentation
  regulators: Add definition of regulator_set_voltage_time() for !CONFIG_REGULATOR
  regulator: arizona-ldo1: add missing #include
  regulator: pfuze100: Support enable/disable for fixed regulator
  regulator: ltc3589: Remove ltc3589_list_voltage_fixed function
  regulator: ltc3589: Fix module dependency
  regulator: tps6586x: Remove unused to_tps6586x_dev() function
  regulator: tps65218: Convert to use regulator_set_voltage_time_sel
  regulator: tps6586x: Add support for the TPS658640
  regulator: tps6586x: Prepare supporting fixed regulators
  regulator: pfuze100: Don't allocate an invalid gpio
  regulator: pfuze100: Support SWB enable/disable
  regulator: fixed: use of_property_read_{bool|u32}()
  ...
 2014-06-03 11:44:48 -07:00
Linus Torvalds
e13cccfd86 spi: Updates for v3.16 
For this release SPI has been exceptionally quiet, all the work has been
 on improving drivers (including taking advantage of some of the recent
 framework updates):
 
  - DMA support for the rspi driver providing a nice performance boost.
  - Performance improvement for the SIRF controller in PIO mode.
  - New support for the Cadence SPI IP and for pxa2xx on BayTrail.
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Merge tag 'spi-v3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi into next

Pull spi updates from Mark Brown:
 "For this release SPI has been exceptionally quiet, all the work has
  been on improving drivers (including taking advantage of some of the
  recent framework updates):

   - DMA support for the rspi driver providing a nice performance boost
   - performance improvement for the SIRF controller in PIO mode
   - new support for the Cadence SPI IP and for pxa2xx on BayTrail"

* tag 'spi-v3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (59 commits)
  spi: rspi: Extract rspi_common_transfer()
  spi: rspi: Add DMA support for RSPI on RZ/A1H
  spi: rspi: Add DMA support for QSPI on R-Car Gen2
  spi: rspi: Absorb rspi_rz_transfer_out_in() into rspi_rz_transfer_one()
  spi: rspi: Merge rspi_*_dma() into rspi_dma_transfer()
  spi: rspi: Pass sg_tables instead of spi_tranfer to rspi_*_dma()
  spi: rspi: Move RSPI-specific setup out of DMA routines
  spi: rspi: Use SPI core DMA mapping framework
  spi: rspi: SPI DMA core needs both RX and TX DMA to function
  spi: rspi: Remove unneeded resource test in DMA setup
  spi: rspi: Extract rspi_request_dma_chan()
  spi: rspi: Don't consider DMA configuration failures fatal
  spi: rspi: Extract rspi_pio_transfer()
  spi: rspi: Use core SPI_MASTER_MUST_[RT]X handling
  spi: rspi: Remove unused 16-bit DMA support
  spi: rspi: Do not call rspi_receive_init() for TX-only
  spi: rspi: Extract rspi_wait_for_{tx_empty,rx_full}()
  spi/pxa2xx: fix runtime PM enabling order
  spi/fsl-espi: fix rx_buf in fsl_espi_cmd_trans()/fsl_espi_rw_trans()
  spi: core: Ignore unsupported spi-[tr]x-bus-width property values
  ...
 2014-06-03 11:34:43 -07:00
Linus Torvalds
bd698cf659 This is the bulk of pin control changes for the v3.16 
development cycle:
 
 - Antoine Tenart made the get_group_pins() vtable entry
   optional.
 
 - Antoine also provides an entirely new driver for the
   Marvell Berlin SoC. This is unrelated to the existing
   MVEBU hardware driver and warrants its own separate
   driver.
 
 - Reflected from the GPIO subsystem there is a number of
   refactorings to make pin control drivers with gpiochips
   use the new gpiolib irqchip helpers. The following
   drivers were converted to use the new infrastructure:
 
   - ST Microelectronics STiH416 and friends
 
   - The Atmel AT91
 
   - The CSR SiRF (Prima2)
 
   - The Qualcomm MSM series
 
 - Massive improvements in the Qualcomm MSM driver from
   Bjorn Andersson, Andy Gross and Kumar Gala. Among those
   new support for the IPQ8064 and MSM8x74 SoC variants.
 
 - Support for the Freescale i.MX6 SoloX SoC variant.
 
 - Massive improvements in the Allwinner sunxi driver from
   Boris Brezillon, Maxime Ripard and Chen-Yu Tsai.
 
 - Renesas PFC updates from Laurent Pinchart, Kuninori
   Morimoto, Wolfram Sang and Magnus Damm.
 
 - Cleanups and refactorings of the nVidia Tegra driver from
   Stepgen Warren.
 
 - The Exynos driver now supports the Exynos3250 SoC.
 
 - Intel BayTrail updates from Jin Yao, Mika Westerberg.
 
 - The MVEBU driver now supports the Orion5x SoC
   variants, which is part of the effort of getting rid of
   the old Marvell kludges in arch/arm/mach-orion5x
 
 - Rockchip driver updates from Heiko Stuebner.
 
 - A ton of cleanups and janitorial patches from Axel Lin.
 
 - Some minor fixes and improvements here and there.
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Merge tag 'pinctrl-v3.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl into next

Pull pin control changes from Linus Walleij:
 "This is the bulk of pin control changes for the v3.16 development
  cycle:

   - Antoine Tenart made the get_group_pins() vtable entry optional.

   - Antoine also provides an entirely new driver for the Marvell Berlin
     SoC.  This is unrelated to the existing MVEBU hardware driver and
     warrants its own separate driver.

   - reflected from the GPIO subsystem there is a number of refactorings
     to make pin control drivers with gpiochips use the new gpiolib
     irqchip helpers.  The following drivers were converted to use the
     new infrastructure:
       * ST Microelectronics STiH416 and friends
       * The Atmel AT91
       * The CSR SiRF (Prima2)
       * The Qualcomm MSM series

   - massive improvements in the Qualcomm MSM driver from Bjorn
     Andersson, Andy Gross and Kumar Gala.  Among those new support for
     the IPQ8064 and MSM8x74 SoC variants.

   - support for the Freescale i.MX6 SoloX SoC variant.

   - massive improvements in the Allwinner sunxi driver from Boris
     Brezillon, Maxime Ripard and Chen-Yu Tsai.

   - Renesas PFC updates from Laurent Pinchart, Kuninori Morimoto,
     Wolfram Sang and Magnus Damm.

   - Cleanups and refactorings of the nVidia Tegra driver from Stepgen
     Warren.

   - the Exynos driver now supports the Exynos3250 SoC.

   - Intel BayTrail updates from Jin Yao, Mika Westerberg.

   - the MVEBU driver now supports the Orion5x SoC variants, which is
     part of the effort of getting rid of the old Marvell kludges in
     arch/arm/mach-orion5x

   - Rockchip driver updates from Heiko Stuebner.

   - a ton of cleanups and janitorial patches from Axel Lin.

   - some minor fixes and improvements here and there"

* tag 'pinctrl-v3.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (93 commits)
  pinctrl: sirf: fix a bad conflict resolution
  pinctrl: msm: Add more MSM8X74 pin definitions
  pinctrl: qcom: ipq8064: Fix naming convention
  pinctrl: msm: Add missing sdc1 and sdc3 groups
  pinctrl: sirf: switch to using allocated state container
  pinctrl: Enable "power-source" to be extracted from DT files
  pinctrl: sunxi: create irq/pin mapping during init
  pinctrl: pinconf-generic: Use kmemdup instead of kmalloc + memcpy
  pinctrl: berlin: Use devm_ioremap_resource()
  pinctrl: sirf: fix typo for GPIO bank number
  pinctrl: sunxi: depend on RESET_CONTROLLER
  pinctrl: sunxi: fix pin numbers passed to register offset helpers
  pinctrl: add pinctrl driver for imx6sx
  pinctrl/at91: Fix lockup when IRQ on PIOC and PIOD occurs
  pinctrl: msm: switch to using generic GPIO irqchip helpers
  pinctrl: sunxi: Fix multiple registration issue
  pinctrl: sunxi: Fix recursive dependency
  pinctrl: berlin: add the BG2CD pinctrl driver
  pinctrl: berlin: add the BG2 pinctrl driver
  pinctrl: berlin: add the BG2Q pinctrl driver
  ...
 2014-06-03 11:20:32 -07:00
Linus Torvalds
f456205265 New driver for NCT6683D 
New chip support to existing drivers:
 	Add support for STTS2004 and AT30TSE004 to jc42 driver
 	Add support for EMC1402/EMC1412/EMC1422 to emc1403 driver
 
 Other notable changes:
 	Document hwmon kernel API
 	Convert jc42, lm70, lm75, lm77, lm83, lm92, max1619, tmp421,
 	and tmp102 drivers to use new hwmon API functions
 	Replace function macros in lm80, lm92, and jc42 drivers with
 	real code
 	Convert emc1403 driver to use regmap, add support for additional
 	attributes, and add device IDs for EMC1412, EMC1413, and EMC1414
 	Various additional cleanup and minor bug fixes in several drivers
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Merge tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging into next

Pull hwmon updates from Guenter Roeck:
 "New driver for NCT6683D

  New chip support to existing drivers:
   - add support for STTS2004 and AT30TSE004 to jc42 driver
   - add support for EMC1402/EMC1412/EMC1422 to emc1403 driver

  Other notable changes:
   - document hwmon kernel API
   - convert jc42, lm70, lm75, lm77, lm83, lm92, max1619, tmp421, and
     tmp102 drivers to use new hwmon API functions
   - replace function macros in lm80, lm92, and jc42 drivers with real
     code
   - convert emc1403 driver to use regmap, add support for additional
     attributes, and add device IDs for EMC1412, EMC1413, and EMC1414
   - various additional cleanup and minor bug fixes in several drivers"

* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (60 commits)
  hwmon: (nct6775) Fix probe unwind paths to properly unregister platform devices
  hwmon: (nct6683) Fix probe unwind paths to properly unregister platform devices
  hwmon: (ultra45_env) Introduce managed version of kzalloc
  hwmon: Driver for NCT6683D
  hwmon: (lm80) Rearrange code to avoid forward declarations
  hwmon: (lm80) Convert fan display function macros into functions
  hwmon: (lm80) Convert voltage display function macros into functions
  hwmon: (lm80) Convert temperature display function macros into functions
  hwmon: (lm80) Normalize all temperature values to 16 bit
  hwmon: (lm80) Simplify TEMP_FROM_REG
  hwmon: (lm83) Convert to use devm_hwmon_device_register_with_groups
  hwmon: (lm83) Rearange code to avoid forward declarations
  hwmon: (lm83) Drop FSF address
  hwmon: (max1619) Convert to use devm_hwmon_device_register_with_groups
  hwmon: (max1619) Drop function macros
  hwmon: (max1619) Rearrange code to avoid forward declarations
  hwmon: (max1619) Drop FSF address
  hwmon: (max1619) Fix critical alarm display
  hwmon: (jc42) Add support for STTS2004 and AT30TSE004
  hwmon: (jc42) Convert function macros into functions
  ...
 2014-06-03 11:09:43 -07:00
Linus Torvalds
8f5759aeb8 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux into next 
Pull first set of s390 updates from Martin Schwidefsky:
 "The biggest change in this patchset is conversion from the bootmem
  bitmaps to the memblock code.  This conversion requires two common
  code patches to introduce the 'physmem' memblock list.

  We experimented with ticket spinlocks but in the end decided against
  them as they perform poorly on virtualized systems.  But the spinlock
  cleanup and some small improvements are included.

  The uaccess code got another optimization, the get_user/put_user calls
  are now inline again for kernel compiles targeted at z10 or newer
  machines.  This makes the text segment shorter and the code gets a
  little bit faster.

  And as always some bug fixes"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (31 commits)
  s390/lowcore: replace lowcore irb array with a per-cpu variable
  s390/lowcore: reserve 96 bytes for IRB in lowcore
  s390/facilities: remove extract-cpu-time facility check
  s390: require mvcos facility for z10 and newer machines
  s390/boot: fix boot of compressed kernel built with gcc 4.9
  s390/cio: remove weird assignment during argument evaluation
  s390/time: cast tv_nsec to u64 prior to shift in update_vsyscall
  s390/oprofile: make return of 0 explicit
  s390/spinlock: refactor arch_spin_lock_wait[_flags]
  s390/rwlock: add missing local_irq_restore calls
  s390/spinlock,rwlock: always to a load-and-test first
  s390/cio: fix multiple structure definitions
  s390/spinlock: fix system hang with spin_retry <= 0
  s390/appldata: add slab.h for kzalloc/kfree
  s390/uaccess: provide inline variants of get_user/put_user
  s390/pci: add some new arch specific pci attributes
  s390/pci: use pdev->dev.groups for attribute creation
  s390/pci: use macro for attribute creation
  s390/pci: improve state check when processing hotplug events
  s390: split TIF bits into CIF, PIF and TIF bits
  ...
 2014-06-03 10:26:41 -07:00
Linus Torvalds
e5c4ecdc55 USB driver patches for 3.16-rc1 
Here is the big USB driver pull request for 3.16-rc1.
 
 Nothing huge here, but lots of little things in the USB core, and in
 lots of drivers.  Hopefully the USB power management will be work better
 now that it has been reworked to do per-port power control dynamically.
 There's also a raft of gadget driver updates and fixes, CONFIG_USB_DEBUG
 is finally gone now that everything has been converted over to the
 dynamic debug inteface, the last hold-out drivers were cleaned up and
 the config option removed.  There were also other minor things all
 through the drivers/usb/ tree, the shortlog shows this pretty well.
 
 All have been in linux-next, including the very last patch, which came
 from linux-next to fix a build issue on some platforms.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb into next

Pull USB driver updates from Greg KH:
 "Here is the big USB driver pull request for 3.16-rc1.

  Nothing huge here, but lots of little things in the USB core, and in
  lots of drivers.  Hopefully the USB power management will be work
  better now that it has been reworked to do per-port power control
  dynamically.  There's also a raft of gadget driver updates and fixes,
  CONFIG_USB_DEBUG is finally gone now that everything has been
  converted over to the dynamic debug inteface, the last hold-out
  drivers were cleaned up and the config option removed.  There were
  also other minor things all through the drivers/usb/ tree, the
  shortlog shows this pretty well.

  All have been in linux-next, including the very last patch, which came
  from linux-next to fix a build issue on some platforms"

* tag 'usb-3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (314 commits)
  usb: hub_handle_remote_wakeup() only exists for CONFIG_PM=y
  USB: orinoco_usb: remove CONFIG_USB_DEBUG support
  USB: media: lirc: igorplugusb: remove CONFIG_USB_DEBUG support
  USB: media: streamzap: remove CONFIG_USB_DEBUG
  USB: media: redrat3: remove CONFIG_USB_DEBUG usage
  USB: media: redrat3: remove unneeded tracing macro
  usb: qcserial: add additional Sierra Wireless QMI devices
  usb: host: max3421-hcd: Use module_spi_driver
  usb: host: max3421-hcd: Allow platform-data to specify Vbus polarity
  usb: host: max3421-hcd: fix "spi_rd8" uses dynamic stack allocation warning
  usb: host: max3421-hcd: Fix missing unlock in max3421_urb_enqueue()
  usb: qcserial: add Netgear AirCard 341U
  Documentation: dt-bindings: update xhci-platform DT binding for R-Car H2 and M2
  usb: host: xhci-plat: add xhci_plat_start()
  usb: host: max3421-hcd: Fix potential NULL urb dereference
  Revert "usb: gadget: net2280: Add support for PLX USB338X"
  USB: usbip: remove CONFIG_USB_DEBUG reference
  USB: remove CONFIG_USB_DEBUG from defconfig files
  usb: resume child device when port is powered on
  usb: hub_handle_remote_wakeup() depends on CONFIG_PM_RUNTIME=y
  ...
 2014-06-03 09:11:20 -07:00
Linus Torvalds
49eb7b0750 TTY/Serial driver patches for 3.16-rc1 
Here is the big tty / serial driver pull request for 3.16-rc1.
 
 A variety of different serial driver fixes and updates and additions,
 nothing huge, and no real major core tty changes at all.
 
 All have been in linux-next for a while.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty into next

Pull tty/serial driver updates from Greg KH:
 "Here is the big tty / serial driver pull request for 3.16-rc1.

  A variety of different serial driver fixes and updates and additions,
  nothing huge, and no real major core tty changes at all.

  All have been in linux-next for a while"

* tag 'tty-3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (84 commits)
  Revert "serial: imx: remove the DMA wait queue"
  serial: kgdb_nmi: Improve console integration with KDB I/O
  serial: kgdb_nmi: Switch from tasklets to real timers
  serial: kgdb_nmi: Use container_of() to locate private data
  serial: cpm_uart: No LF conversion in put_poll_char()
  serial: sirf: Fix compilation failure
  console: Remove superfluous readonly check
  console: Use explicit pointer type for vc_uni_pagedir* fields
  vgacon: Fix & cleanup refcounting
  ARM: tty: Move HVC DCC assembly to arch/arm
  tty/hvc/hvc_console: Fix wakeup of HVC thread on hvc_kick()
  drivers/tty/n_hdlc.c: replace kmalloc/memset by kzalloc
  vt: emulate 8- and 24-bit colour codes.
  printk/of_serial: fix serial console cessation part way through boot.
  serial: 8250_dma: check the result of TX buffer mapping
  serial: uart: add hw flow control support configuration
  tty/serial: at91: add interrupts for modem control lines
  tty/serial: at91: use mctrl_gpio helpers
  tty/serial: Add GPIOLIB helpers for controlling modem lines
  ARM: at91: gpio: implement get_direction
  ...
 2014-06-03 09:01:02 -07:00
Linus Torvalds
5142c33ed8 Staging driver patches for 3.16-rc1 
Here is the big staging driver pull request for 3.16-rc1.
 
 Lots of stuff here, tons of cleanup patches, a few new drivers, and some
 removed as well, but I think we are still adding a few thousand more
 lines than we remove, due to the new drivers being bigger than the ones
 deleted.
 
 One notible bit of work did stand out, Jes Sorensen has gone on a tear,
 fixing up a wireless driver to be "more sane" than it originally was
 from the vendor, with over 500 patches merged here.  Good stuff, and a
 number of users laptops are better off for it.
 
 All of this has been in linux-next for a while.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging into next

Pull staging driver updates from Greg KH:
 "Here is the big staging driver pull request for 3.16-rc1.

  Lots of stuff here, tons of cleanup patches, a few new drivers, and
  some removed as well, but I think we are still adding a few thousand
  more lines than we remove, due to the new drivers being bigger than
  the ones deleted.

  One notible bit of work did stand out, Jes Sorensen has gone on a
  tear, fixing up a wireless driver to be "more sane" than it originally
  was from the vendor, with over 500 patches merged here.  Good stuff,
  and a number of users laptops are better off for it.

  All of this has been in linux-next for a while"

* tag 'staging-3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (1703 commits)
  staging: skein: fix sparse warning for static declarations
  staging/mt29f_spinand: coding style fixes
  staging: silicom: fix sparse warning for static variable
  staging: lustre: Fix coding style
  staging: android: binder.c: Use more appropriate functions for euid retrieval
  staging: lustre: fix integer as NULL pointer warnings
  Revert "staging: dgap: remove unneeded kfree() in dgap_tty_register_ports()"
  Staging: rtl8192u: r8192U_wx.c Fixed a misplaced brace
  staging: ion: shrink highmem pages on kswapd
  staging: ion: use compound pages on high order pages for system heap
  staging: ion: remove struct ion_page_pool_item
  staging: ion: simplify ion_page_pool_total()
  staging: ion: tidy up a bit
  staging: rtl8723au: Remove redundant casting in usb_ops_linux.c
  staging: rtl8723au: Remove redundant casting in rtl8723a_hal_init.c
  staging: rtl8723au: Remove redundant casting in rtw_xmit.c
  staging: rtl8723au: Remove redundant casting in rtw_wlan_util.c
  staging: rtl8723au: Remove redundant casting in rtw_sta_mgt.c
  staging: rtl8723au: Remove redundant casting in rtw_recv.c
  staging: rtl8723au: Remove redundant casting in rtw_mlme.c
  ...
 2014-06-03 08:34:00 -07:00
Linus Torvalds
4046136afb Char / misc driver patches for 3.16-rc1 
Here is the big char / misc driver updates for 3.16-rc1.
 
 Lots of different driver updates for a variety of different drivers and
 minor driver subsystems.
 
 All have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc into next

Pull char/misc driver patches from Greg KH:
 "Here is the big char / misc driver update for 3.16-rc1.

  Lots of different driver updates for a variety of different drivers
  and minor driver subsystems.

  All have been in linux-next with no reported issues"

* tag 'char-misc-3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (79 commits)
  hv: use correct order when freeing monitor_pages
  spmi: of: fixup generic SPMI devicetree binding example
  applicom: dereferencing NULL on error path
  misc: genwqe: fix uninitialized return value in genwqe_free_sync_sgl()
  miscdevice.h: Simple syntax fix to make pointers consistent.
  MAINTAINERS: Add miscdevice.h to file list for char/misc drivers.
  mcb: Add support for shared PCI IRQs
  drivers: Remove duplicate conditionally included subdirs
  misc: atmel_pwm: only build for supported platforms
  mei: me: move probe quirk to cfg structure
  mei: add per device configuration
  mei: me: read H_CSR after asserting reset
  mei: me: drop harmful wait optimization
  mei: me: fix hw ready reset flow
  mei: fix memory leak of mei_clients array
  uio: fix vma io range check in mmap
  drivers: uio_dmem_genirq: Fix memory leak in uio_dmem_genirq_probe()
  w1: do not unlock unheld list_mutex in __w1_remove_master_device()
  w1: optional bundling of netlink kernel replies
  connector: allow multiple messages to be sent in one packet
  ...
 2014-06-03 08:06:56 -07:00
Rafael J. Wysocki
5ece239918 Merge back earlier cpufreq material. 
Conflicts:
	arch/mips/loongson/lemote-2f/clock.c
	drivers/cpufreq/intel_pstate.c
 2014-06-03 15:03:27 +02:00
Takashi Iwai
8743dcd663 ASoC: Final updates for v3.16 
A few more updates from the last week of development, nothing too
 exciting.  Highlights include:
 
 - GPIO descriptor support for jacks
 - More updates and fixes to the Freescale SSI, Intel and rsnd drivers.
 - New drivers for Analog Devices ADAU1361, ADAU1381, ADAU1761 and
   ADAU1781, and Realtek RT5677.
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Merge tag 'asoc-v3.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-next

ASoC: Final updates for v3.16

A few more updates from the last week of development, nothing too
exciting.  Highlights include:

- GPIO descriptor support for jacks
- More updates and fixes to the Freescale SSI, Intel and rsnd drivers.
- New drivers for Analog Devices ADAU1361, ADAU1381, ADAU1761 and
  ADAU1781, and Realtek RT5677.
 2014-06-03 11:51:14 +02:00
Mark Brown
39b47b599e Merge remote-tracking branches 'asoc/topic/samsung', 'asoc/topic/sgtl5000', 'asoc/topic/simple' and 'asoc/topic/sirf' into asoc-next 2014-06-03 10:39:57 +01:00
Mark Brown
440a528558 Merge remote-tracking branches 'asoc/topic/omap' and 'asoc/topic/rcar' into asoc-next 2014-06-03 10:39:53 +01:00
Mark Brown
b12a1906be Merge remote-tracking branches 'asoc/topic/max98090' and 'asoc/topic/max98095' into asoc-next 2014-06-03 10:39:52 +01:00
Linus Torvalds
a727eaf64f ARM: SoC driver changes 
SoC-near driver changes that we're merging through our tree. Mostly
 because they depend on other changes we have staged, but in some cases
 because the driver maintainers preferred that we did it this way.
 
 This contains a largeish cleanup series of the omap_l3_noc bus driver,
 cpuidle rework for Exynos, some reset driver conversions and a long
 branch of TI EDMA fixes and cleanups, with more to come next release.
 
 The TI EDMA cleanups is a shared branch with the dmaengine tree, with
 a handful of Davinci-specific fixes on top.
 
 After discussion at last year's KS (and some more on the mailing lists),
 we are here adding a drivers/soc directory. The purpose of this is
 to keep per-vendor shared code that's needed by different drivers but
 that doesn't fit into the MFD (nor drivers/platform) model. We expect
 to keep merging contents for this hierarchy through arm-soc so we can
 keep an eye on what the vendors keep adding here and not making it a
 free-for-all to shove in crazy stuff.
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Merge tag 'drivers-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc into next

Pull ARM SoC driver changes from Olof Johansson:
 "SoC-near driver changes that we're merging through our tree.  Mostly
  because they depend on other changes we have staged, but in some cases
  because the driver maintainers preferred that we did it this way.

  This contains a largeish cleanup series of the omap_l3_noc bus driver,
  cpuidle rework for Exynos, some reset driver conversions and a long
  branch of TI EDMA fixes and cleanups, with more to come next release.

  The TI EDMA cleanups is a shared branch with the dmaengine tree, with
  a handful of Davinci-specific fixes on top.

  After discussion at last year's KS (and some more on the mailing
  lists), we are here adding a drivers/soc directory.  The purpose of
  this is to keep per-vendor shared code that's needed by different
  drivers but that doesn't fit into the MFD (nor drivers/platform)
  model.  We expect to keep merging contents for this hierarchy through
  arm-soc so we can keep an eye on what the vendors keep adding here and
  not making it a free-for-all to shove in crazy stuff"

* tag 'drivers-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (101 commits)
  cpufreq: exynos: Fix driver compilation with ARCH_MULTIPLATFORM
  tty: serial: msm: Remove direct access to GSBI
  power: reset: keystone-reset: introduce keystone reset driver
  Documentation: dt: add bindings for keystone pll control controller
  Documentation: dt: add bindings for keystone reset driver
  soc: qcom: fix of_device_id table
  ARM: EXYNOS: Fix kernel panic when unplugging CPU1 on exynos
  ARM: EXYNOS: Move the driver to drivers/cpuidle directory
  ARM: EXYNOS: Cleanup all unneeded headers from cpuidle.c
  ARM: EXYNOS: Pass the AFTR callback to the platform_data
  ARM: EXYNOS: Move S5P_CHECK_SLEEP into pm.c
  ARM: EXYNOS: Move the power sequence call in the cpu_pm notifier
  ARM: EXYNOS: Move the AFTR state function into pm.c
  ARM: EXYNOS: Encapsulate the AFTR code into a function
  ARM: EXYNOS: Disable cpuidle for exynos5440
  ARM: EXYNOS: Encapsulate boot vector code into a function for cpuidle
  ARM: EXYNOS: Pass wakeup mask parameter to function for cpuidle
  ARM: EXYNOS: Remove ifdef for scu_enable in pm
  ARM: EXYNOS: Move scu_enable in the cpu_pm notifier
  ARM: EXYNOS: Use the cpu_pm notifier for pm
  ...
 2014-06-02 16:35:49 -07:00
Linus Torvalds
755a9ba7bf ARM: SoC devicetree updates for 3.16 
As with previous release, this continues to be among the largest branches
 we merge, with lots of new contents.
 
 New things for this release are among other things:
 
 - DTSI contents for the new SoCs supported in 3.16 (see SoC pull request)
 - Qualcomm APQ8064 and APQ8084 SoCs and eval boards
 - Nvidia Jetson TK1 development board (Tegra T124-based)
 
 Two new SoCs that didn't need enough new platform code to stand out
 enough for me to notice when writing the SoC tag, but that adds new DT
 contents are:
 
 - TI DRA72
 - Marvell Berlin 2Q
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Merge tag 'dt-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc into next

Pull ARM SoC devicetree updates from Olof Johansson:
 "As with previous release, this continues to be among the largest
  branches we merge, with lots of new contents.

  New things for this release are among other things:

   - DTSI contents for the new SoCs supported in 3.16 (see SoC pull request)
   - Qualcomm APQ8064 and APQ8084 SoCs and eval boards
   - Nvidia Jetson TK1 development board (Tegra T124-based)

  Two new SoCs that didn't need enough new platform code to stand out
  enough for me to notice when writing the SoC tag, but that adds new DT
  contents are:

   - TI DRA72
   - Marvell Berlin 2Q"

* tag 'dt-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (500 commits)
  ARM: dts: add secure firmware support for exynos5420-arndale-octa
  ARM: dts: add pmu sysreg node to exynos3250
  ARM: dts: correct the usb phy node in exynos5800-peach-pi
  ARM: dts: correct the usb phy node in exynos5420-peach-pit
  ARM: dts: add dts files for exynos5410 and exynos5410-smdk5410
  ARM: dts: add dts files for exynos3250 SoC
  ARM: dts: add mfc node for exynos5800
  ARM: dts: add Vbus regulator for USB 3.0 on exynos5800-peach-pi
  ARM: dts: enable fimd for exynos5800-peach-pi
  ARM: dts: enable display controller for exynos5800-peach-pi
  ARM: dts: enable hdmi for exynos5800-peach-pi
  ARM: dts: add dts file for exynos5800-peach-pi board
  ARM: dts: add dts file for exynos5800 SoC
  ARM: dts: add dts file for exynos5260-xyref5260 board
  ARM: dts: add dts files for exynos5260 SoC
  ARM: dts: update watchdog node name in exynos5440
  ARM: dts: use key code macros on Origen and Arndale boards
  ARM: dts: enable RTC and WDT nodes on Origen boards
  ARM: dts: qcom: Add APQ8084-MTP board support
  ARM: dts: qcom: Add APQ8084 SoC support
  ...
 2014-06-02 16:34:00 -07:00
Linus Torvalds
c67d9ce166 ARM: SoC board support updates for 3.16 
The bulk of this branch is updates for Renesas Shmobile. They are still
 doing some enablement for classic boards first, and then come up with DT
 bindings when they've had a chance to learn more about the hardware. Not
 necessarily a bad way to go about it, and they're looking at moving some
 of the temporary board code resulting from it to drivers/staging instead
 to avoid the churn here.
 
 As a result of the shmobile clock cleanups, we end up merging quite a
 bit of SH code here as well. We ended up merging it here instead of in
 the cleanup branch due to the other board changes depending on it.
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Merge tag 'boards-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc into next

Pull ARM SoC board support updates from Olof Johansson:
 "The bulk of this branch is updates for Renesas Shmobile.  They are
  still doing some enablement for classic boards first, and then come up
  with DT bindings when they've had a chance to learn more about the
  hardware.  Not necessarily a bad way to go about it, and they're
  looking at moving some of the temporary board code resulting from it
  to drivers/staging instead to avoid the churn here.

  As a result of the shmobile clock cleanups, we end up merging quite a
  bit of SH code here as well.  We ended up merging it here instead of
  in the cleanup branch due to the other board changes depending on it"

* tag 'boards-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (130 commits)
  ARM: davinci: remove checks for CONFIG_USB_MUSB_PERIPHERAL
  ARM: add drivers for Colibri T30 to multi_v7_defconfig
  ARM: shmobile: Remove Genmai reference DTS
  ARM: shmobile: Let Genmai multiplatform boot with Genmai DTB
  ARM: shmobile: Sync Genmai DTS with Genmai reference DTS
  ARM: shmobile: genmai-reference: Remove legacy clock support
  ARM: shmobile: Remove non-multiplatform Genmai reference support
  ARM: configs: enable XHCI mvebu support in multi_v7_defconfig
  ARM: OMAP: replace checks for CONFIG_USB_GADGET_OMAP
  ARM: OMAP: AM3517EVM: remove check for CONFIG_PANEL_SHARP_LQ043T1DG01
  ARM: OMAP: SX1: remove check for CONFIG_SX1_OLD_FLASH
  ARM: OMAP: remove some dead code
  ARM: OMAP: omap3stalker: remove two Kconfig macros
  ARM: tegra: tegra_defconfig updates
  ARM: shmobile: r7s72100: use workaround for non DT-clocks
  ARM: shmobile: Add forward declaration of struct clk to silence warning
  ARM: shmobile: r7s72100: remove SPI DT clocks from legacy clock support
  ARM: shmobile: r7s72100: add spi clocks to dtsi
  ARM: shmobile: r7s72100: remove I2C DT clocks from legacy clock support
  ARM: shmobile: r7s72100: add i2c clocks to dtsi
  ...
 2014-06-02 16:21:41 -07:00
Linus Torvalds
825f4e0271 ARM: SoC updates for 3.16 (part 1) 
A quite large set of SoC updates this cycle. In no particular order:
 
 - Multi-cluster power management for Samsung Exynos, adding support for
   big.LITTLE CPU switching on EXYNOS5
 - SMP support for Marvell Armada 375 and 38x
 - SMP rework on Allwinner A31
 - Xilinx Zynq support for SOC_BUS, big endian
 - Marvell orion5x platform cleanup, modernizing the implementation and
   moving to DT.
 - _Finally_ moving Samsung Exynos over to support MULTIPLATFORM, so
   that their platform can be enabled in the same kernel binary as most
   of the other v7 platforms in the tree. \o/ The work isn't quite complete,
   there's some driver fixes still needed, but the basics now work.
 
 New SoC support added:
 - Freescale i.MX6SX
 - LSI Axxia AXM55xx SoCs
 - Samsung EXYNOS 3250, 5260, 5410, 5420 and 5800
 - STi STIH407
 
 Plus a large set of various smaller updates for different platforms. I'm
 probably missing some important one here.
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Merge tag 'soc-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc into next

Pull part one of ARM SoC updates from Olof Johansson:
 "A quite large set of SoC updates this cycle.  In no particular order:

   - Multi-cluster power management for Samsung Exynos, adding support
     for big.LITTLE CPU switching on EXYNOS5

   - SMP support for Marvell Armada 375 and 38x

   - SMP rework on Allwinner A31

   - Xilinx Zynq support for SOC_BUS, big endian

   - Marvell orion5x platform cleanup, modernizing the implementation
     and moving to DT.

   - _Finally_ moving Samsung Exynos over to support MULTIPLATFORM, so
     that their platform can be enabled in the same kernel binary as
     most of the other v7 platforms in the tree.  \o/

     The work isn't quite complete, there's some driver fixes still
     needed, but the basics now work.

  New SoC support added:

   - Freescale i.MX6SX

   - LSI Axxia AXM55xx SoCs

   - Samsung EXYNOS 3250, 5260, 5410, 5420 and 5800

   - STi STIH407

  plus a large set of various smaller updates for different platforms.
  I'm probably missing some important one here"

* tag 'soc-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (281 commits)
  ARM: exynos: don't run exynos4 l2x0 setup on other platforms
  ARM: exynos: Fix "allmodconfig" build errors in mcpm and hotplug
  ARM: EXYNOS: mcpm rename the power_down_finish
  ARM: EXYNOS: Enable mcpm for dual-cluster exynos5800 SoC
  ARM: EXYNOS: Enable multi-platform build support
  ARM: EXYNOS: Consolidate Kconfig entries
  ARM: EXYNOS: Add support for EXYNOS5410 SoC
  ARM: EXYNOS: Support secondary CPU boot of Exynos3250
  ARM: EXYNOS: Add Exynos3250 SoC ID
  ARM: EXYNOS: Add 5800 SoC support
  ARM: EXYNOS: initial board support for exynos5260 SoC
  clk: exynos5410: register clocks using common clock framework
  ARM: debug: qcom: add UART addresses to Kconfig help for APQ8084
  ARM: sunxi: allow building without reset controller
  Documentation: devicetree: arm: sort enable-method entries
  ARM: rockchip: convert smp bringup to CPU_METHOD_OF_DECLARE
  clk: exynos5250: Add missing sysmmu clocks for DISP and ISP blocks
  ARM: dts: axxia: Add reset controller
  power: reset: Add Axxia system reset driver
  ARM: axxia: Adding defconfig for AXM55xx
  ...
 2014-06-02 16:15:12 -07:00
Linus Torvalds
0a58471541 ARM: SoC cleanups for 3.16 
Cleanups for 3.16. Among these are:
 
 - A bunch of misc cleanups for Broadcom platforms, mostly housekeeping
 - Enabling Common Clock Framework on the older s3c24xx Samsung chipsets
 - Cleanup of the Versatile Express system controller code, moving it to syscon
 - Power management cleanups for OMAP platforms
 
 + a handful of other cleanups across the place
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Merge tag 'cleanup-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc into next

Pull ARM SoC cleanups from Olof Johansson:
 "Cleanups for 3.16.  Among these are:

   - a bunch of misc cleanups for Broadcom platforms, mostly
     housekeeping
   - enabling Common Clock Framework on the older s3c24xx Samsung
     chipsets
   - cleanup of the Versatile Express system controller code, moving it
     to syscon
   - power management cleanups for OMAP platforms

  plus a handful of other cleanups across the place"

* tag 'cleanup-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (87 commits)
  ARM: kconfig: allow PCI support to be selected with ARCH_MULTIPLATFORM
  clk: samsung: fix build error
  ARM: vexpress: refine dependencies for new code
  clk: samsung: clk-s3c2410-dlck: do not use PNAME macro as it declares __initdata
  cpufreq: exynos: Fix the compile error
  ARM: S3C24XX: move debug-macro.S into the common space
  ARM: S3C24XX: use generic DEBUG_UART_PHY/_VIRT in debug macro
  ARM: S3C24XX: trim down debug uart handling
  ARM: compressed/head.S: remove s3c24xx special case
  ARM: EXYNOS: Remove unnecessary inclusion of cpu.h
  ARM: EXYNOS: Migrate Exynos specific macros from plat to mach
  ARM: EXYNOS: Remove exynos_subsys registration
  ARM: EXYNOS: Remove duplicate lines in Makefile
  ARM: EXYNOS: use v7_exit_coherency_flush macro for cache disabling
  ARM: OMAP4: PRCM: remove references to cm-regbits-44xx.h from PRCM core files
  ARM: OMAP3/4: PRM: add support of late_init call to prm_ll_ops
  ARM: OMAP3/OMAP4: PRM: add prm_features flags and add IO wakeup under it
  ARM: OMAP3/4: PRM: provide io chain reconfig function through irq setup
  ARM: OMAP2+: PRM: remove unnecessary cpu_is_XXX calls from prm_init / exit
  ARM: OMAP2+: PRCM: cleanup some header includes
  ...
 2014-06-02 16:14:07 -07:00
Linus Torvalds
425553209b PCI changes for the v3.16 merge window: 
Enumeration
     - Notify driver before and after device reset (Keith Busch)
     - Use reset notification in NVMe (Keith Busch)
 
   NUMA
     - Warn if we have to guess host bridge node information (Myron Stowe)
     - Work around AMD Fam15h BIOSes that fail to provide _PXM (Suravee Suthikulpanit)
     - Clean up and mark early_root_info_init() as deprecated (Suravee Suthikulpanit)
 
   Driver binding
     - Add "driver_override" for force specific binding (Alex Williamson)
     - Fail "new_id" addition for devices we already know about (Bandan Das)
 
   Resource management
     - Support BAR sizes up to 8GB (Nikhil Rao, Alan Cox)
     - Don't move IORESOURCE_PCI_FIXED resources (Bjorn Helgaas)
     - Mark SBx00 HPET BAR as IORESOURCE_PCI_FIXED (Bjorn Helgaas)
     - Fail safely if we can't handle BARs larger than 4GB (Bjorn Helgaas)
     - Reject BAR above 4GB if dma_addr_t is too small (Bjorn Helgaas)
     - Don't convert BAR address to resource if dma_addr_t is too small (Bjorn Helgaas)
     - Don't set BAR to zero if dma_addr_t is too small (Bjorn Helgaas)
     - Don't print anything while decoding is disabled (Bjorn Helgaas)
     - Don't add disabled subtractive decode bus resources (Bjorn Helgaas)
     - Add resource allocation comments (Bjorn Helgaas)
     - Restrict 64-bit prefetchable bridge windows to 64-bit resources (Yinghai Lu)
     - Assign i82875p_edac PCI resources before adding device (Yinghai Lu)
 
   PCI device hotplug
     - Remove unnecessary "dev->bus" test (Bjorn Helgaas)
     - Use PCI_EXP_SLTCAP_PSN define (Bjorn Helgaas)
     - Fix rphahp endianess issues (Laurent Dufour)
     - Acknowledge spurious "cmd completed" event (Rajat Jain)
     - Allow hotplug service drivers to operate in polling mode (Rajat Jain)
     - Fix cpqphp possible NULL dereference (Rickard Strandqvist)
 
   MSI
     - Replace pci_enable_msi_block() by pci_enable_msi_exact() (Alexander Gordeev)
     - Replace pci_enable_msix() by pci_enable_msix_exact() (Alexander Gordeev)
     - Simplify populate_msi_sysfs() (Jan Beulich)
 
   Virtualization
     - Add Intel Patsburg (X79) root port ACS quirk (Alex Williamson)
     - Mark RTL8110SC INTx masking as broken (Alex Williamson)
 
   Generic host bridge driver
     - Add generic PCI host controller driver (Will Deacon)
 
   Freescale i.MX6
     - Use new clock names (Lucas Stach)
     - Drop old IRQ mapping (Lucas Stach)
     - Remove optional (and unused) IRQs (Lucas Stach)
     - Add support for MSI (Lucas Stach)
     - Fix imx6_add_pcie_port() section mismatch warning (Sachin Kamat)
 
   Renesas R-Car
     - Add gen2 device tree support (Ben Dooks)
     - Use new OF interrupt mapping when possible (Lucas Stach)
     - Add PCIe driver (Phil Edworthy)
     - Add PCIe MSI support (Phil Edworthy)
     - Add PCIe device tree bindings (Phil Edworthy)
 
   Samsung Exynos
     - Remove unnecessary OOM messages (Jingoo Han)
     - Fix add_pcie_port() section mismatch warning (Sachin Kamat)
 
   Synopsys DesignWare
     - Make MSI ISR shared IRQ aware (Lucas Stach)
 
   Miscellaneous
     - Check for broken config space aliasing (Alex Williamson)
     - Update email address (Ben Hutchings)
     - Fix Broadcom CNB20LE unintended sign extension (Bjorn Helgaas)
     - Fix incorrect vgaarb conditional in WARN_ON() (Bjorn Helgaas)
     - Remove unnecessary __ref annotations (Bjorn Helgaas)
     - Add arch/x86/kernel/quirks.c to MAINTAINERS PCI file patterns (Bjorn Helgaas)
     - Fix use of uninitialized MPS value (Bjorn Helgaas)
     - Tidy x86/gart messages (Bjorn Helgaas)
     - Fix return value from pci_user_{read,write}_config_*() (Gavin Shan)
     - Turn pcibios_penalize_isa_irq() into a weak function (Hanjun Guo)
     - Remove unused serial device IDs (Jean Delvare)
     - Use designated initialization in PCI_VDEVICE (Mark Rustad)
     - Fix powerpc NULL dereference in pci_root_buses traversal (Mike Qiu)
     - Configure MPS on ARM (Murali Karicheri)
     - Remove unnecessary includes of <linux/init.h> (Paul Gortmaker)
     - Move Open Firmware devspec attribute to PCI common code (Sebastian Ott)
     - Use pdev->dev.groups for attribute creation on s390 (Sebastian Ott)
     - Remove pcibios_add_platform_entries() (Sebastian Ott)
     - Add new ID for Intel GPU "spurious interrupt" quirk (Thomas Jarosch)
     - Rename pci_is_bridge() to pci_has_subordinate() (Yijing Wang)
     - Add and use new pci_is_bridge() interface (Yijing Wang)
     - Make pci_bus_add_device() void (Yijing Wang)
 
   DMA API
     - Clarify physical/bus address distinction in docs (Bjorn Helgaas)
     - Fix typos in docs (Emilio López)
     - Update dma_pool_create ()and dma_pool_alloc() descriptions (Gioh Kim)
     - Change dma_declare_coherent_memory() CPU address to phys_addr_t (Bjorn Helgaas)
     - Pass GAPSPCI_DMA_BASE CPU & bus address to dma_declare_coherent_memory() (Bjorn Helgaas)
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Merge tag 'pci-v3.16-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci into next

Pull PCI changes from Bjorn Helgaas:
 "Enumeration
    - Notify driver before and after device reset (Keith Busch)
    - Use reset notification in NVMe (Keith Busch)

  NUMA
    - Warn if we have to guess host bridge node information (Myron Stowe)
    - Work around AMD Fam15h BIOSes that fail to provide _PXM (Suravee
      Suthikulpanit)
    - Clean up and mark early_root_info_init() as deprecated (Suravee
      Suthikulpanit)

  Driver binding
    - Add "driver_override" for force specific binding (Alex Williamson)
    - Fail "new_id" addition for devices we already know about (Bandan
      Das)

  Resource management
    - Support BAR sizes up to 8GB (Nikhil Rao, Alan Cox)
    - Don't move IORESOURCE_PCI_FIXED resources (Bjorn Helgaas)
    - Mark SBx00 HPET BAR as IORESOURCE_PCI_FIXED (Bjorn Helgaas)
    - Fail safely if we can't handle BARs larger than 4GB (Bjorn Helgaas)
    - Reject BAR above 4GB if dma_addr_t is too small (Bjorn Helgaas)
    - Don't convert BAR address to resource if dma_addr_t is too small
      (Bjorn Helgaas)
    - Don't set BAR to zero if dma_addr_t is too small (Bjorn Helgaas)
    - Don't print anything while decoding is disabled (Bjorn Helgaas)
    - Don't add disabled subtractive decode bus resources (Bjorn Helgaas)
    - Add resource allocation comments (Bjorn Helgaas)
    - Restrict 64-bit prefetchable bridge windows to 64-bit resources
      (Yinghai Lu)
    - Assign i82875p_edac PCI resources before adding device (Yinghai Lu)

  PCI device hotplug
    - Remove unnecessary "dev->bus" test (Bjorn Helgaas)
    - Use PCI_EXP_SLTCAP_PSN define (Bjorn Helgaas)
    - Fix rphahp endianess issues (Laurent Dufour)
    - Acknowledge spurious "cmd completed" event (Rajat Jain)
    - Allow hotplug service drivers to operate in polling mode (Rajat Jain)
    - Fix cpqphp possible NULL dereference (Rickard Strandqvist)

  MSI
    - Replace pci_enable_msi_block() by pci_enable_msi_exact()
      (Alexander Gordeev)
    - Replace pci_enable_msix() by pci_enable_msix_exact() (Alexander Gordeev)
    - Simplify populate_msi_sysfs() (Jan Beulich)

  Virtualization
    - Add Intel Patsburg (X79) root port ACS quirk (Alex Williamson)
    - Mark RTL8110SC INTx masking as broken (Alex Williamson)

  Generic host bridge driver
    - Add generic PCI host controller driver (Will Deacon)

  Freescale i.MX6
    - Use new clock names (Lucas Stach)
    - Drop old IRQ mapping (Lucas Stach)
    - Remove optional (and unused) IRQs (Lucas Stach)
    - Add support for MSI (Lucas Stach)
    - Fix imx6_add_pcie_port() section mismatch warning (Sachin Kamat)

  Renesas R-Car
    - Add gen2 device tree support (Ben Dooks)
    - Use new OF interrupt mapping when possible (Lucas Stach)
    - Add PCIe driver (Phil Edworthy)
    - Add PCIe MSI support (Phil Edworthy)
    - Add PCIe device tree bindings (Phil Edworthy)

  Samsung Exynos
    - Remove unnecessary OOM messages (Jingoo Han)
    - Fix add_pcie_port() section mismatch warning (Sachin Kamat)

  Synopsys DesignWare
    - Make MSI ISR shared IRQ aware (Lucas Stach)

  Miscellaneous
    - Check for broken config space aliasing (Alex Williamson)
    - Update email address (Ben Hutchings)
    - Fix Broadcom CNB20LE unintended sign extension (Bjorn Helgaas)
    - Fix incorrect vgaarb conditional in WARN_ON() (Bjorn Helgaas)
    - Remove unnecessary __ref annotations (Bjorn Helgaas)
    - Add arch/x86/kernel/quirks.c to MAINTAINERS PCI file patterns
      (Bjorn Helgaas)
    - Fix use of uninitialized MPS value (Bjorn Helgaas)
    - Tidy x86/gart messages (Bjorn Helgaas)
    - Fix return value from pci_user_{read,write}_config_*() (Gavin Shan)
    - Turn pcibios_penalize_isa_irq() into a weak function (Hanjun Guo)
    - Remove unused serial device IDs (Jean Delvare)
    - Use designated initialization in PCI_VDEVICE (Mark Rustad)
    - Fix powerpc NULL dereference in pci_root_buses traversal (Mike Qiu)
    - Configure MPS on ARM (Murali Karicheri)
    - Remove unnecessary includes of <linux/init.h> (Paul Gortmaker)
    - Move Open Firmware devspec attribute to PCI common code (Sebastian Ott)
    - Use pdev->dev.groups for attribute creation on s390 (Sebastian Ott)
    - Remove pcibios_add_platform_entries() (Sebastian Ott)
    - Add new ID for Intel GPU "spurious interrupt" quirk (Thomas Jarosch)
    - Rename pci_is_bridge() to pci_has_subordinate() (Yijing Wang)
    - Add and use new pci_is_bridge() interface (Yijing Wang)
    - Make pci_bus_add_device() void (Yijing Wang)

  DMA API
    - Clarify physical/bus address distinction in docs (Bjorn Helgaas)
    - Fix typos in docs (Emilio López)
    - Update dma_pool_create ()and dma_pool_alloc() descriptions (Gioh Kim)
    - Change dma_declare_coherent_memory() CPU address to phys_addr_t
      (Bjorn Helgaas)
    - Pass GAPSPCI_DMA_BASE CPU & bus address to dma_declare_coherent_memory()
      (Bjorn Helgaas)"

* tag 'pci-v3.16-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (92 commits)
  MAINTAINERS: Add generic PCI host controller driver
  PCI: generic: Add generic PCI host controller driver
  PCI: imx6: Add support for MSI
  PCI: designware: Make MSI ISR shared IRQ aware
  PCI: imx6: Remove optional (and unused) IRQs
  PCI: imx6: Drop old IRQ mapping
  PCI: imx6: Use new clock names
  i82875p_edac: Assign PCI resources before adding device
  ARM/PCI: Call pcie_bus_configure_settings() to set MPS
  PCI: imx6: Fix imx6_add_pcie_port() section mismatch warning
  PCI: Make pci_bus_add_device() void
  PCI: exynos: Fix add_pcie_port() section mismatch warning
  PCI: Introduce new device binding path using pci_dev.driver_override
  PCI: rcar: Add gen2 device tree support
  PCI: cpqphp: Fix possible null pointer dereference
  PCI: rcar: Add R-Car PCIe device tree bindings
  PCI: rcar: Add MSI support for PCIe
  PCI: rcar: Add Renesas R-Car PCIe driver
  PCI: Fix return value from pci_user_{read,write}_config_*()
  PCI: exynos: Remove unnecessary OOM messages
  ...
 2014-06-02 12:15:19 -07:00
Linus Torvalds
681a289548 Merge branch 'for-3.16/core' of git://git.kernel.dk/linux-block into next 
Pull block core updates from Jens Axboe:
 "It's a big(ish) round this time, lots of development effort has gone
  into blk-mq in the last 3 months.  Generally we're heading to where
  3.16 will be a feature complete and performant blk-mq.  scsi-mq is
  progressing nicely and will hopefully be in 3.17.  A nvme port is in
  progress, and the Micron pci-e flash driver, mtip32xx, is converted
  and will be sent in with the driver pull request for 3.16.

  This pull request contains:

   - Lots of prep and support patches for scsi-mq have been integrated.
     All from Christoph.

   - API and code cleanups for blk-mq from Christoph.

   - Lots of good corner case and error handling cleanup fixes for
     blk-mq from Ming Lei.

   - A flew of blk-mq updates from me:

     * Provide strict mappings so that the driver can rely on the CPU
       to queue mapping.  This enables optimizations in the driver.

     * Provided a bitmap tagging instead of percpu_ida, which never
       really worked well for blk-mq.  percpu_ida relies on the fact
       that we have a lot more tags available than we really need, it
       fails miserably for cases where we exhaust (or are close to
       exhausting) the tag space.

     * Provide sane support for shared tag maps, as utilized by scsi-mq

     * Various fixes for IO timeouts.

     * API cleanups, and lots of perf tweaks and optimizations.

   - Remove 'buffer' from struct request.  This is ancient code, from
     when requests were always virtually mapped.  Kill it, to reclaim
     some space in struct request.  From me.

   - Remove 'magic' from blk_plug.  Since we store these on the stack
     and since we've never caught any actual bugs with this, lets just
     get rid of it.  From me.

   - Only call part_in_flight() once for IO completion, as includes two
     atomic reads.  Hopefully we'll get a better implementation soon, as
     the part IO stats are now one of the more expensive parts of doing
     IO on blk-mq.  From me.

   - File migration of block code from {mm,fs}/ to block/.  This
     includes bio.c, bio-integrity.c, bounce.c, and ioprio.c.  From me,
     from a discussion on lkml.

  That should describe the meat of the pull request.  Also has various
  little fixes and cleanups from Dave Jones, Shaohua Li, Duan Jiong,
  Fengguang Wu, Fabian Frederick, Randy Dunlap, Robert Elliott, and Sam
  Bradshaw"

* 'for-3.16/core' of git://git.kernel.dk/linux-block: (100 commits)
  blk-mq: push IPI or local end_io decision to __blk_mq_complete_request()
  blk-mq: remember to start timeout handler for direct queue
  block: ensure that the timer is always added
  blk-mq: blk_mq_unregister_hctx() can be static
  blk-mq: make the sysfs mq/ layout reflect current mappings
  blk-mq: blk_mq_tag_to_rq should handle flush request
  block: remove dead code in scsi_ioctl:blk_verify_command
  blk-mq: request initialization optimizations
  block: add queue flag for disabling SG merging
  block: remove 'magic' from struct blk_plug
  blk-mq: remove alloc_hctx and free_hctx methods
  blk-mq: add file comments and update copyright notices
  blk-mq: remove blk_mq_alloc_request_pinned
  blk-mq: do not use blk_mq_alloc_request_pinned in blk_mq_map_request
  blk-mq: remove blk_mq_wait_for_tags
  blk-mq: initialize request in __blk_mq_alloc_request
  blk-mq: merge blk_mq_alloc_reserved_request into blk_mq_alloc_request
  blk-mq: add helper to insert requests from irq context
  blk-mq: remove stale comment for blk_mq_complete_request()
  blk-mq: allow non-softirq completions
  ...
 2014-06-02 09:29:34 -07:00
Linus Torvalds
6c52486ded Updates for mmci driver: 
- Put the device into low power state at system suspend.
  - Convert to the common mmc DT parser.
  - Add missing DT bindings needed for ux500.
 
 Updates for ARM ux500|u300:
  - Convert to the common mmc DT bindings.
  - Remove redundant board file for mmci platform data.
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Merge tag 'mmc-v3.16-1' of git://git.linaro.org/people/ulf.hansson/mmc into next

Pull MMC update from Ulf Hansson:
 "These patches are mainly updates for the mmci driver and have been
  tested in linux-next.

  Some ARM SoC related patches are also included and those have been
  acked from the corresponding maintainers to go through my mmc tree.

  Updates for mmci driver:
   - Put the device into low power state at system suspend.
   - Convert to the common mmc DT parser.
   - Add missing DT bindings needed for ux500.

  Updates for ARM ux500|u300:
   - Convert to the common mmc DT bindings.
   - Remove redundant board file for mmci platform data"

* tag 'mmc-v3.16-1' of git://git.linaro.org/people/ulf.hansson/mmc: (22 commits)
  mmc: mmci: Enforce DMA configuration through DT
  mmc: mmci: Enforce max frequency configuration through DT
  mmc: mmci: Enforce mmc capabilities through DT
  mmc: mmci: Enforce DT for signal direction and feedback clock
  ARM: ux500: Remove redundant board file for mmci platform data
  ARM: ux500: Add a vmmc regulator through DT for the poped eMMC for href
  ARM: ux500: Add the mmc capabilities flags to DT
  mmc: mmci: Enable MMC_CAP_CMD23
  mmc: mmci: Mark the DT bindings for highspeed mode as deprecated
  ARM: u300: Convert to the common mmc DT bindings for highspeed mode
  ARM: nomadik: Convert to the common mmc DT bindings for highspeed mode
  ARM: ux500: Convert to the common mmc DT bindings for highspeed mode
  ARM: ux500: Add mmci signal directions and feeback clock in DT for href
  mmc: mmci: Use the common mmc DT parser
  mmc: mmci: Add DT bindings for feedback clock pin
  mmc: mmci: Add DT bindings for signal direction
  mmc: mmci: Update DT documentation
  mmc: mmci: Convert to devm functions
  mmc: mmci: Convert to the mmc gpio API
  mmc: mmci: Put the device into low power state at system suspend
  ...
 2014-06-02 09:22:24 -07:00
Linus Torvalds
c9733c79f4 HSI changes for the v3.16 series: 
- Add some documentation for the HSI subsystem
 
  - Add Device Tree support for the HSI subsystem
 
  - Add OMAP3 SSI driver (SSI is a legacy variant of HSI)
 
  - Add Nokia N900 Modem driver (without speech support for now)
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Merge tag 'hsi-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi into next

Pull HSI (High Speed Syncronous Interface) changes from Sebastian Reichel:
 "Please pull the following changes for the HSI subsystem, which I have
  taken over from Carlos Chinea <carlos.chinea@nokia.com>.

  The below patches have been worked on in the linux-omap mailinglist
  for 10 months and are well tested in linux-next (have been in there
  for more than two weeks) without any problems arising.  Apart from
  that potential regressions are very limited, because the subsystem is
  not yet used by any platform in the mainline kernel.

   - Add some documentation for the HSI subsystem

   - Add Device Tree support for the HSI subsystem

   - Add OMAP3 SSI driver (SSI is a legacy variant of HSI)

   - Add Nokia N900 Modem driver (without speech support for now)"

* tag 'hsi-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi:
  HSI: Introduce Nokia N900 modem driver
  HSI: Introduce driver for SSI Protocol
  Documentation: DT: omap-ssi binding documentation
  HSI: Introduce OMAP SSI driver
  HSI: Add common DT binding for HSI client devices
  HSI: export method to (un)register clients
  HSI: Add channel resource support to HSI clients
  HSI: method to unregister clients from an hsi port
  HSI: hsi-char: fix driver for multiport scenarios
  MAINTAINERS: update HSI entry
  Documentation: HSI: Add some general description for the HSI subsystem
 2014-06-02 09:13:58 -07:00
Mark Brown
8fb3b066a6 Merge remote-tracking branches 'spi/topic/dw', 'spi/topic/fsl', 'spi/topic/fsl-espi' and 'spi/topic/id-const' into spi-next 2014-06-02 17:08:38 +01:00
Mark Brown
446fe5e2d5 Merge remote-tracking branches 'spi/topic/adi', 'spi/topic/atmel' and 'spi/topic/cadence' into spi-next 2014-06-02 17:08:35 +01:00
Mark Brown
f54645d1aa Merge remote-tracking branch 'spi/topic/dt' into spi-next 2014-06-02 17:08:35 +01:00
Mark Brown
b58e917bf9 Merge remote-tracking branches 'regulator/topic/s5m8767', 'regulator/topic/stub', 'regulator/topic/tps65090', 'regulator/topic/tps65217' and 'regulator/topic/tps65218' into regulator-next 2014-06-02 17:08:12 +01:00