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Author SHA1 Message Date
Linus Torvalds
7cf7d424c3 Two MTD fixes for 4.1: 
* readtest: the signal-handling code was clobbering the error codes we should
    be handling/reporting in this test, rendering it useless. Noticed by Coverity.
 
  * the common SPI NOR flash DT binding (merged for 4.1-rc1) is being revised,
    so let's change that before 4.1 is minted.
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Merge tag 'for-linus-20150516' of git://git.infradead.org/linux-mtd

Pull MTD fixes from Brian Norris:
 "Two MTD fixes for 4.1:

   - readtest: the signal-handling code was clobbering the error codes
     we should be handling/reporting in this test, rendering it useless.
     Noticed by Coverity.

   - the common SPI NOR flash DT binding (merged for 4.1-rc1) is being
     revised, so let's change that before 4.1 is minted"

* tag 'for-linus-20150516' of git://git.infradead.org/linux-mtd:
  Documentation: dt: mtd: replace "nor-jedec" binding with "jedec, spi-nor"
  mtd: readtest: don't clobber error reports
 2015-05-18 10:01:54 -07:00
Linus Torvalds
dd8edd7e97 TTY/Serial fixes for 4.1-rc4 
Here's some TTY and serial driver fixes for reported issues.  All of
 these have been in linux-next successfully.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-4.1-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial fixes from Greg KH:
 "Here's some TTY and serial driver fixes for reported issues.

  All of these have been in linux-next successfully"

* tag 'tty-4.1-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  pty: Fix input race when closing
  tty/n_gsm.c: fix a memory leak when gsmtty is removed
  Revert "serial/amba-pl011: Leave the TX IRQ alone when the UART is not open"
  serial: omap: Fix error handling in probe
  earlycon: Revert log warnings
 2015-05-16 21:10:05 -07:00
Brian Norris
8947e396a8 Documentation: dt: mtd: replace "nor-jedec" binding with "jedec, spi-nor" 
In commit 8ff16cf77c ("Documentation: devicetree: m25p80: add "nor-jedec"
binding"), we added a generic "nor-jedec" binding to catch all
mostly-compatible SPI NOR flash which can be detected via the READ ID
opcode (0x9F). This was discussed and reviewed at the time, however
objections have come up since then as part of this discussion:

  http://lkml.kernel.org/g/20150511224646.GJ32500@ld-irv-0074

It seems the parties involved agree that "jedec,spi-nor" does a better
job of capturing the fact that this is SPI-specific, not just any NOR
flash.

This binding was only merged for v4.1-rc1, so it's still OK to change
the naming.

At the same time, let's move the documentation to a better name.

Next up: stop referring to code (drivers/mtd/devices/m25p80.c) from the
documentation.

Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Cc: Marek Vasut <marex@denx.de>
Cc: Rafał Miłecki <zajec5@gmail.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Kumar Gala <galak@codeaurora.org>
Cc: devicetree@vger.kernel.org
Acked-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Mark Rutland <mark.rutland@arm.com>
 2015-05-15 13:04:00 -07:00
Peter Hurley
1a48632ffe pty: Fix input race when closing 
A read() from a pty master may mistakenly indicate EOF (errno == -EIO)
after the pty slave has closed, even though input data remains to be read.
For example,

       pty slave       |        input worker        |    pty master
                       |                            |
                       |                            |   n_tty_read()
pty_write()            |                            |     input avail? no
  add data             |                            |     sleep
  schedule worker  --->|                            |     .
                       |---> flush_to_ldisc()       |     .
pty_close()            |       fill read buffer     |     .
  wait for worker      |       wakeup reader    --->|     .
                       |       read buffer full?    |---> input avail ? yes
                       |<---   yes - exit worker    |     copy 4096 bytes to user
  TTY_OTHER_CLOSED <---|                            |<--- kick worker
                       |                            |

		                **** New read() before worker starts ****

                       |                            |   n_tty_read()
                       |                            |     input avail? no
                       |                            |     TTY_OTHER_CLOSED? yes
                       |                            |     return -EIO

Several conditions are required to trigger this race:
1. the ldisc read buffer must become full so the input worker exits
2. the read() count parameter must be >= 4096 so the ldisc read buffer
   is empty
3. the subsequent read() occurs before the kicked worker has processed
   more input

However, the underlying cause of the race is that data is pipelined, while
tty state is not; ie., data already written by the pty slave end is not
yet visible to the pty master end, but state changes by the pty slave end
are visible to the pty master end immediately.

Pipeline the TTY_OTHER_CLOSED state through input worker to the reader.
1. Introduce TTY_OTHER_DONE which is set by the input worker when
   TTY_OTHER_CLOSED is set and either the input buffers are flushed or
   input processing has completed. Readers/polls are woken when
   TTY_OTHER_DONE is set.
2. Reader/poll checks TTY_OTHER_DONE instead of TTY_OTHER_CLOSED.
3. A new input worker is started from pty_close() after setting
   TTY_OTHER_CLOSED, which ensures the TTY_OTHER_DONE state will be
   set if the last input worker is already finished (or just about to
   exit).

Remove tty_flush_to_ldisc(); no in-tree callers.

Fixes: 52bce7f8d4 ("pty, n_tty: Simplify input processing on final close")
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=96311
BugLink: http://bugs.launchpad.net/bugs/1429756
Cc: <stable@vger.kernel.org> # 3.19+
Reported-by: Andy Whitcroft <apw@canonical.com>
Reported-by: H.J. Lu <hjl.tools@gmail.com>
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2015-05-10 19:26:37 +02:00
Linus Torvalds
8f59ae0643 ARM: SoC fixes for 4.1-rc2 
A few patches have come up since the merge window. The largest one is a
 rewrite of the PXA lubbock/mainstone IRQ handling. This was already
 broken in 2011 by a change to the GPIO code and only noticed now.
 
 The other changes contained here are:
 
 MAINTAINERS file updates:
 - Ray Jui and Scott Branden are now co-maintainers for some of the
   mach-bcm chips, while Christian Daudt and Marc Carino have stepped
   down.
 - Andrew Victor is no longer maintaining at91. Instead, Alexandre
   Belloni now becomes an official maintainer, after having done a
   bulk of the work for a while.
 - Baruch Siach, who added the mach-digicolor platform in 4.1
   is now listed as maintainer
 - The git URL for mach-socfpga has changed
 
 Bug fixes:
 - Three bug fixes for new rockchip rk3288 code
 - A regression fix to make SD card support work on certain ux500
   boards
 - multiple smaller dts fixes for imx, omap, mvebu, and shmobile
 - a regression fiix for omap3 power consumption
 - a fix for regression in the ARM CCI bus driver
 
 Configuration changes:
 - more imx platforms are now enabled in multi_v7_defconfig
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Arnd Bergmann:
 "A few patches have come up since the merge window.  The largest one is
  a rewrite of the PXA lubbock/mainstone IRQ handling.  This was already
  broken in 2011 by a change to the GPIO code and only noticed now.

  The other changes contained here are:

  MAINTAINERS file updates:

   - Ray Jui and Scott Branden are now co-maintainers for some of the
     mach-bcm chips, while Christian Daudt and Marc Carino have stepped
     down.

   - Andrew Victor is no longer maintaining at91.  Instead, Alexandre
     Belloni now becomes an official maintainer, after having done a
     bulk of the work for a while.

   - Baruch Siach, who added the mach-digicolor platform in 4.1 is now
     listed as maintainer

   - The git URL for mach-socfpga has changed

  Bug fixes:

   - Three bug fixes for new rockchip rk3288 code

   - A regression fix to make SD card support work on certain ux500
     boards

   - multiple smaller dts fixes for imx, omap, mvebu, and shmobile

   - a regression fiix for omap3 power consumption

   - a fix for regression in the ARM CCI bus driver

  Configuration changes:

   - more imx platforms are now enabled in multi_v7_defconfig"

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (39 commits)
  MAINTAINERS: add Conexant Digicolor machines entry
  MAINTAINERS: socfpga: update the git repo for SoCFPGA
  ARM: multi_v7_defconfig: Select more FSL SoCs
  MAINTAINERS: replace an AT91 maintainer
  drivers: CCI: fix used_mask init in validate_group()
  bus: omap_l3_noc: Fix master id address decoding for OMAP5
  bus: omap_l3_noc: Fix offset for DRA7 CLK1_HOST_CLK1_2 instance
  ARM: dts: dra7: Fix efuse register size for ABB
  ARM: dts: am57xx-beagle-x15: Switch GPIO fan number
  ARM: dts: am57xx-beagle-x15: Switch UART mux pins
  ARM: dts: am437x-sk: reduce col-scan-delay-us
  ARM: dts: am437x-sk: fix for new newhaven display module revision
  ARM: dts: am57xx-beagle-x15: Fix RTC aliases
  ARM: dts: am57xx-beagle-x15: Fix IRQ type for mcp7941x
  ARM: dts: omap3: Add #iommu-cells to isp and iva iommu
  ARM: omap2plus_defconfig: Enable EXTCON_USB_GPIO
  ARM: dts: OMAP3-N900: Add microphone bias voltages
  ARM: OMAP2+: Fix omap off idle power consumption creeping up
  MAINTAINERS: Update brcmstb entry
  MAINTAINERS: Remove Christian Daudt for mach-bcm
  ...
 2015-05-09 16:13:38 -07:00
Linus Torvalds
3e0283a53f Power management and ACPI fixes for v4.1-rc3 
- Fix for a PCI resources management regression introduced during
    the 4.0 cycle and related to the handling of ACPI resources'
    Producer/Consumer flags that turn out to be useless (Jiang Liu).
 
  - Fix for a MacBook regression related to the Smart Battery Subsystem
    (SBS) driver causing various problems (stalls on boot, failure to
    detect or report battery) to happen and introduced during the 3.18
    cycle (Chris Bainbridge).
 
  - Fix for an ACPI/PNP device enumeration regression introduced during
    the 3.16 cycle caused by failing to include two PNP device IDs into
    the list of IDs that PNP device objects need to be created for
    (Witold Szczeponik).
 
  - Fixes for two minor mistakes in the ACPI GPIO properties
    documentation (Antonio Ospite, Rafael J Wysocki).
 
 /
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Merge tag 'pm+acpi-4.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management and ACPI fixes from Rafael Wysocki:
 "These include three regression fixes (PCI resources management,
  ACPI/PNP device enumeration, ACPI SBS on MacBook) and two ACPI
  documentation fixes related to GPIO.

  Specifics:

   - Fix for a PCI resources management regression introduced during the
     4.0 cycle and related to the handling of ACPI resources'
     Producer/Consumer flags that turn out to be useless (Jiang Liu)

   - Fix for a MacBook regression related to the Smart Battery Subsystem
     (SBS) driver causing various problems (stalls on boot, failure to
     detect or report battery) to happen and introduced during the 3.18
     cycle (Chris Bainbridge)

   - Fix for an ACPI/PNP device enumeration regression introduced during
     the 3.16 cycle caused by failing to include two PNP device IDs into
     the list of IDs that PNP device objects need to be created for
     (Witold Szczeponik)

   - Fixes for two minor mistakes in the ACPI GPIO properties
     documentation (Antonio Ospite, Rafael J Wysocki)"

* tag 'pm+acpi-4.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPI / PNP: add two IDs to list for PNPACPI device enumeration
  ACPI / documentation: Fix ambiguity in the GPIO properties document
  ACPI / documentation: fix a sentence about GPIO resources
  ACPI / SBS: Add 5 us delay to fix SBS hangs on MacBook
  x86/PCI/ACPI: Make all resources except [io 0xcf8-0xcff] available on PCI bus
 2015-05-07 15:58:00 -07:00
Rafael J. Wysocki
9a5d9315e4 Merge branches 'acpi-resources', 'acpi-battery', 'acpi-doc' and 'acpi-pnp' 
* acpi-resources:
  x86/PCI/ACPI: Make all resources except [io 0xcf8-0xcff] available on PCI bus

* acpi-battery:
  ACPI / SBS: Add 5 us delay to fix SBS hangs on MacBook

* acpi-doc:
  ACPI / documentation: Fix ambiguity in the GPIO properties document
  ACPI / documentation: fix a sentence about GPIO resources

* acpi-pnp:
  ACPI / PNP: add two IDs to list for PNPACPI device enumeration
 2015-05-07 21:24:34 +02:00
Arnd Bergmann
443318e0b7 Fixes for omaps, mostly a fix for power power consumption 
creeping up during idle, and two l3-noc device fixes:
 
 - Fix power consumption creeping up with I2C4 staying on
 - Fix n900 microphone bias voltages
 - Fix dra7 l3-noc for host clock
 - Fix omap5 l3-noc id address decoding
 
 The rest are all just minor dts fixes:
 
 - Fix changed EXTCON_USB_GPIO_USB in defconfig
 - Fix missing isp and iva #iommu-cells property
 - Various beagle x15 dts fixes for pre-production changes
 - Fix am437x-sk display dts entries
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Merge tag 'omap-for-v4.1/fixes-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes

Merge "omap fixes against v4.1-rc1" from Tony Lindgren:

Fixes for omaps, mostly a fix for power power consumption
creeping up during idle, and two l3-noc device fixes:

- Fix power consumption creeping up with I2C4 staying on
- Fix n900 microphone bias voltages
- Fix dra7 l3-noc for host clock
- Fix omap5 l3-noc id address decoding

The rest are all just minor dts fixes:

- Fix changed EXTCON_USB_GPIO_USB in defconfig
- Fix missing isp and iva #iommu-cells property
- Various beagle x15 dts fixes for pre-production changes
- Fix am437x-sk display dts entries

* tag 'omap-for-v4.1/fixes-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  bus: omap_l3_noc: Fix master id address decoding for OMAP5
  bus: omap_l3_noc: Fix offset for DRA7 CLK1_HOST_CLK1_2 instance
  ARM: dts: dra7: Fix efuse register size for ABB
  ARM: dts: am57xx-beagle-x15: Switch GPIO fan number
  ARM: dts: am57xx-beagle-x15: Switch UART mux pins
  ARM: dts: am437x-sk: reduce col-scan-delay-us
  ARM: dts: am437x-sk: fix for new newhaven display module revision
  ARM: dts: am57xx-beagle-x15: Fix RTC aliases
  ARM: dts: am57xx-beagle-x15: Fix IRQ type for mcp7941x
  ARM: dts: omap3: Add #iommu-cells to isp and iva iommu
  ARM: omap2plus_defconfig: Enable EXTCON_USB_GPIO
  ARM: dts: OMAP3-N900: Add microphone bias voltages
  ARM: OMAP2+: Fix omap off idle power consumption creeping up
 2015-05-07 18:25:38 +02:00
Arnd Bergmann
c92b83a81a The i.MX fixes for 4.1: 
- A couple of imx23-olinuxino device tree fixes regarding to LED GPIO
    polarity and USB dr_mode setting
  - One i.MX28 device tree fix on AUART4 TX-DMA interrupt name
  - Add missing pwm-cells to PWM4 for i.MX25 device tree
  - Fix imx6q-phytec device tree to get correct USB VBUS control
  - Drop invalid pinctrl-assert-gpios property from imx6qdl-sabreauto
    device tree, which was sneaked in from vendor device tree
  - One fix on Wolfram's broken email address
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Merge tag 'imx-fixes-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into fixes

Pull "The i.MX fixes for 4.1" from Shawn Guo:

 - A couple of imx23-olinuxino device tree fixes regarding to LED GPIO
   polarity and USB dr_mode setting
 - One i.MX28 device tree fix on AUART4 TX-DMA interrupt name
 - Add missing pwm-cells to PWM4 for i.MX25 device tree
 - Fix imx6q-phytec device tree to get correct USB VBUS control
 - Drop invalid pinctrl-assert-gpios property from imx6qdl-sabreauto
   device tree, which was sneaked in from vendor device tree
 - One fix on Wolfram's broken email address

* tag 'imx-fixes-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  ARM: dts: imx6qdl-sabreauto: remove pinctrl-assert-gpios
  ARM: dts: imx28: Fix AUART4 TX-DMA interrupt name
  ARM: dts: imx25: Add #pwm-cells to pwm4
  ARM: dts: imx6: phyFLEX: USB VBUS control is active-high
  ARM: mach-imx: devices: platform-sdhci-esdhc-imx: fix broken email address
  ARM: dts: imx23-olinuxino: Fix dr_mode of usb0
  ARM: dts: imx23-olinuxino: Fix polarity of LED GPIO
 2015-05-07 18:21:57 +02:00
Linus Torvalds
5198b44374 Lots of minor IPMI fixes, especially ones that have have come up since 
the SSIF driver has been in the main kernel for a while.
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Merge tag 'for-linus-4.1-1' of git://git.code.sf.net/p/openipmi/linux-ipmi

Pull IPMI fixes from Corey Minyard:
 "Lots of minor IPMI fixes, especially ones that have have come up since
  the SSIF driver has been in the main kernel for a while"

* tag 'for-linus-4.1-1' of git://git.code.sf.net/p/openipmi/linux-ipmi:
  ipmi: Fix multi-part message handling
  ipmi: Add alert handling to SSIF
  ipmi: Fix a problem that messages are not issued in run_to_completion mode
  ipmi: Report an error if ACPI _IFT doesn't exist
  ipmi: Remove unused including <linux/version.h>
  ipmi: Don't report err in the SI driver for SSIF devices
  ipmi: Remove incorrect use of seq_has_overflowed
  ipmi:ssif: Ignore spaces when comparing I2C adapter names
  ipmi_ssif: Fix the logic on user-supplied addresses
 2015-05-05 19:42:01 -07:00
Alexandre Belloni
c71f1e05e6 Documentation: bindings: add abracon,abx80x 
Document the bindings for abracon,abx80x and related compatibles.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Cc: Philippe De Muyter <phdm@macqel.be>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2015-05-05 17:10:10 -07:00
Joe Perches
01e76903f6 kasan: show gcc version requirements in Kconfig and Documentation 
The documentation shows a need for gcc > 4.9.2, but it's really >=.  The
Kconfig entries don't show require versions so add them.  Correct a
latter/later typo too.  Also mention that gcc 5 required to catch out of
bounds accesses to global and stack variables.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrey Ryabinin <a.ryabinin@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2015-05-05 17:10:10 -07:00
Corey Minyard
b0e9aaa99d ipmi:ssif: Ignore spaces when comparing I2C adapter names 
Some of the adapters have spaces in their names, but that's really
hard to pass in as a module or kernel parameters.  So ignore the
spaces.

Signed-off-by: Corey Minyard <cminyard@mvista.com>
 2015-05-05 14:24:45 -05:00
Suman Anna
e7309c2673 bus: omap_l3_noc: Fix master id address decoding for OMAP5 
The L3 Error handling on OMAP5 for the most part is very similar
to that of OMAP4, and had leveraged common data structures and
register layout definitions so far. Upon closer inspection, there
are a few minor differences causing an incorrect decoding and
reporting of the master NIU upon an error:

  1. The L3_TARG_STDERRLOG_MSTADDR.STDERRLOG_MSTADDR occupies
     11 bits on OMAP5 as against 8 bits on OMAP4, with the master
     NIU connID encoded in the 6 MSBs of the STDERRLOG_MSTADDR
     field.
  2. The CLK3 FlagMux component has 1 input source on OMAP4 and 3
     input sources on OMAP5. The common DEBUGSS source is at a
     different input on each SoC.

Fix the above issues by using a OMAP5-specific compatible property
and using SoC-specific data where there are differences.

Signed-off-by: Suman Anna <s-anna@ti.com>
Acked-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
 2015-05-04 10:21:01 -07:00
Rafael J. Wysocki
a00212e219 ACPI / documentation: Fix ambiguity in the GPIO properties document 
The first paragraph in Documentation/acpi/gpio-properties.txt is
ambiguous, so make it more clear.

Reported-by: Antonio Ospite <ao2@ao2.it>
Acked-by: Antonio Ospite <ao2@ao2.it>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
 2015-05-04 14:26:14 +02:00
Linus Torvalds
180d89f6ef powerpc fixes for 4.1 # 2 
- Build fix for SMP=n in book3s_xics.c
 - Fix for Daniel's pci_controller_ops on powernv.
 - Revert the TM syscall abort patch for now.
 - CPU affinity fix from Nathan.
 - Two EEH fixes from Gavin.
 - Fix for CR corruption from Sam.
 - Selftest build fix.
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Merge tag 'powerpc-4.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linux

Pull powerpc fixes from Michael Ellerman:
 - build fix for SMP=n in book3s_xics.c
 - fix for Daniel's pci_controller_ops on powernv.
 - revert the TM syscall abort patch for now.
 - CPU affinity fix from Nathan.
 - two EEH fixes from Gavin.
 - fix for CR corruption from Sam.
 - selftest build fix.

* tag 'powerpc-4.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linux:
  powerpc/powernv: Restore non-volatile CRs after nap
  powerpc/eeh: Delay probing EEH device during hotplug
  powerpc/eeh: Fix race condition in pcibios_set_pcie_reset_state()
  powerpc/pseries: Correct cpu affinity for dlpar added cpus
  selftests/powerpc: Fix the pmu install rule
  Revert "powerpc/tm: Abort syscalls in active transactions"
  powerpc/powernv: Fix early pci_controller_ops loading.
  powerpc/kvm: Fix SMP=n build error in book3s_xics.c
 2015-05-03 10:28:36 -07:00
Antonio Ospite
2375a212ca ACPI / documentation: fix a sentence about GPIO resources 
The sentence "These resources are used be used to pass ..." contains
a suspicious repetition, likely the author meant "These resources can
be used to pass ...".

Simplify the wording.

Signed-off-by: Antonio Ospite <ao2@ao2.it>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
 2015-04-30 23:38:13 +02:00
David Howells
9c4249c8e0 modsign: change default key details 
Change default key details to be more obviously unspecified.

Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: James Morris <james.l.morris@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2015-04-30 09:35:41 -07:00
Linus Torvalds
dcca8de0aa USB fixes for 4.2-rc1 
Here are a number of small USB fixes for 4.2-rc2.  They revert one
 problem patch, fix some minor things, and add some new quirks for
 "broken" devices.
 
 All have been in linux-next successfully.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.1-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB fixes from Greg KH:
 "Here are a number of small USB fixes for 4.2-rc2.  They revert one
  problem patch, fix some minor things, and add some new quirks for
  "broken" devices.

  All have been in linux-next successfully"

* tag 'usb-4.1-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  cdc-acm: prevent infinite loop when parsing CDC headers.
  Revert "usb: host: ehci-msm: Use devm_ioremap_resource instead of devm_ioremap"
  usb: chipidea: otg: remove mutex unlock and lock while stop and start role
  uas: Set max_sectors_240 quirk for ASM1053 devices
  uas: Add US_FL_MAX_SECTORS_240 flag
  uas: Allow uas_use_uas_driver to return usb-storage flags
 2015-04-30 09:08:53 -07:00
Michael Ellerman
68fc378ce3 Revert "powerpc/tm: Abort syscalls in active transactions" 
This reverts commit feba40362b.

Although the principle of this change is good, the implementation has a
few issues.

Firstly we can sometimes fail to abort a syscall because r12 may have
been clobbered by C code if we went down the virtual CPU accounting
path, or if syscall tracing was enabled.

Secondly we have decided that it is safer to abort the syscall even
earlier in the syscall entry path, so that we avoid the syscall tracing
path when we are transactional.

So that we have time to thoroughly test those changes we have decided to
revert this for this merge window and will merge the fixed version in
the next window.

NB. Rather than reverting the selftest we just drop tm-syscall from
TEST_PROGS so that it's not run by default.

Fixes: feba40362b ("powerpc/tm: Abort syscalls in active transactions")
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
 2015-04-30 15:24:58 +10:00
Hans de Goede
ee136af4a0 uas: Add US_FL_MAX_SECTORS_240 flag 
The usb-storage driver sets max_sectors = 240 in its scsi-host template,
for uas we do not want to do that for all devices, but testing has shown
that some devices need it.

This commit adds a US_FL_MAX_SECTORS_240 flag for such devices, and
implements support for it in uas.c, while at it it also adds support
for US_FL_MAX_SECTORS_64 to uas.c.

Cc: stable@vger.kernel.org # 3.16
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2015-04-28 12:48:57 +02:00
Linus Torvalds
2decb2682f Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 
Pull networking fixes from David Miller:

 1) mlx4 doesn't check fully for supported valid RSS hash function, fix
    from Amir Vadai

 2) Off by one in ibmveth_change_mtu(), from David Gibson

 3) Prevent altera chip from reporting false error interrupts in some
    circumstances, from Chee Nouk Phoon

 4) Get rid of that stupid endless loop trying to allocate a FIN packet
    in TCP, and in the process kill deadlocks.  From Eric Dumazet

 5) Fix get_rps_cpus() crash due to wrong invalid-cpu value, also from
    Eric Dumazet

 6) Fix two bugs in async rhashtable resizing, from Thomas Graf

 7) Fix topology server listener socket namespace bug in TIPC, from Ying
    Xue

 8) Add some missing HAS_DMA kconfig dependencies, from Geert
    Uytterhoeven

 9) bgmac driver intends to force re-polling but does so by returning
    the wrong value from it's ->poll() handler.  Fix from Rafał Miłecki

10) When the creater of an rhashtable configures a max size for it,
    don't bark in the logs and drop insertions when that is exceeded.
    Fix from Johannes Berg

11) Recover from out of order packets in ppp mppe properly, from Sylvain
    Rochet

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (41 commits)
  bnx2x: really disable TPA if 'disable_tpa' option is set
  net:treewide: Fix typo in drivers/net
  net/mlx4_en: Prevent setting invalid RSS hash function
  mdio-mux-gpio: use new gpiod_get_array and gpiod_put_array functions
  netfilter; Add some missing default cases to switch statements in nft_reject.
  ppp: mppe: discard late packet in stateless mode
  ppp: mppe: sanity error path rework
  net/bonding: Make DRV macros private
  net: rfs: fix crash in get_rps_cpus()
  altera tse: add support for fixed-links.
  pxa168: fix double deallocation of managed resources
  net: fix crash in build_skb()
  net: eth: altera: Resolve false errors from MSGDMA to TSE
  ehea: Fix memory hook reference counting crashes
  net/tg3: Release IRQs on permanent error
  net: mdio-gpio: support access that may sleep
  inet: fix possible panic in reqsk_queue_unlink()
  rhashtable: don't attempt to grow when at max_size
  bgmac: fix requests for extra polling calls from NAPI
  tcp: avoid looping in tcp_send_fin()
  ...
 2015-04-27 14:05:19 -07:00
Marek Vasut
4ada77e37a ARM: dts: imx28: Fix AUART4 TX-DMA interrupt name 
Fix a typo in the TX DMA interrupt name for AUART4.
This patch makes AUART4 operational again.

Signed-off-by: Marek Vasut <marex@denx.de>
Fixes: f30fb03d4d ("ARM: dts: add generic DMA device tree binding for mxs-dma")
Cc: stable@vger.kernel.org
Acked-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
 2015-04-27 22:44:27 +08:00
Linus Torvalds
78d4256772 platform-drivers-x86 for 4.1 
dell-laptop: Add support for keyboard backlight.
 toshiba_acpi: Adaptive keyboard, hotkey, USB sleep and charge,
               and backlight updates. Update sysfs documentation.
 toshiba_bluetooth: Fix enabling/disabling loop on recent devices
 apple-gmux: lock iGP IO to protect from vgaarb changes
 other: Fix typos, clear gcc warnings, clarify pr_* messages,
        correct return types, update MAINTAINERS.
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Merge tag 'platform-drivers-x86-v4.1-1' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86

Pull x86 platform driver updates from Darren Hart:
 "This series includes significant updates to the toshiba_acpi driver
  and the reintroduction of the dell-laptop keyboard backlight additions
  I had to revert previously.  Also included are various fixes for
  typos, warnings, correctness, and minor bugs.

  Specifics:

  dell-laptop:
     - add support for keyboard backlight.

  toshiba_acpi:
     - adaptive keyboard, hotkey, USB sleep and charge, and backlight
       updates.  Update sysfs documentation.

  toshiba_bluetooth:
     - fix enabling/disabling loop on recent devices

  apple-gmux:
     - lock iGP IO to protect from vgaarb changes

  other:
     - Fix typos, clear gcc warnings, clarify pr_* messages, correct
       return types, update MAINTAINERS"

* tag 'platform-drivers-x86-v4.1-1' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86: (25 commits)
  toshiba_acpi: Do not register vendor backlight when acpi_video bl is available
  MAINTAINERS: Add me on list of Dell laptop drivers
  platform: x86: dell-laptop: Add support for keyboard backlight
  Documentation/ABI: Update sysfs-driver-toshiba_acpi entry
  toshiba_acpi: Fix pr_* messages from USB Sleep Functions
  toshiba_acpi: Update and fix USB Sleep and Charge modes
  wmi: Use bool function return values of true/false not 1/0
  toshiba_bluetooth: Fix enabling/disabling loop on recent devices
  toshiba_bluetooth: Clean up *_add function and disable BT device at removal
  toshiba_bluetooth: Add three new functions to the driver
  toshiba_acpi: Fix the enabling of the Special Functions
  toshiba_acpi: Use the Hotkey Event Type function for keymap choosing
  toshiba_acpi: Add Hotkey Event Type function and definitions
  x86/wmi: delete unused wmi_data_lock mutex causing gcc warning
  apple-gmux: lock iGP IO to protect from vgaarb changes
  MAINTAINERS: Add missing Toshiba devices and add myself as maintainer
  toshiba_acpi: Update events in toshiba_acpi_notify
  intel-oaktrail: Fix trivial typo in comment
  thinkpad_acpi: off by one in adaptive_keyboard_hotkey_notify_hotkey()
  thinkpad_acpi: signedness bugs getting current_mode
  ...
 2015-04-26 13:44:46 -07:00
Linus Torvalds
36a8032d77 platform/chrome: Updates for v4.1 
Here's a set of updates to the Chrome OS platform drivers for this merge window.
 
 Main new things this cycle is:
 
 - Driver changes to expose the lightbar to users. With this, you can make your
   own blinkenlights on Chromebook Pixels.
 - Changes in the way that the atmel_mxt trackpads are probed. The laptop driver
   is trying to be smart and not instantiate the devices that don't answer to
   probe. For the trackpad that can come up in two modes (bootloader or regular),
   this gets complicated since the driver already knows how to handle the two
   modes including the actual addresses used. So now the laptop driver needs to
   know more too, instantiating the regular address even if the bootloader one
   is the probe that passed.
 - mfd driver improvements by Javier Martines Canillas, and a few bugfixes
   from him, kbuild and myself.
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Merge tag 'chrome-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/olof/chrome-platform

Pull chrome platform updates from Olof Johansson:
 "Here's a set of updates to the Chrome OS platform drivers for this
  merge window.

  Main new things this cycle is:

   - Driver changes to expose the lightbar to users.  With this, you can
     make your own blinkenlights on Chromebook Pixels.

   - Changes in the way that the atmel_mxt trackpads are probed.  The
     laptop driver is trying to be smart and not instantiate the devices
     that don't answer to probe.  For the trackpad that can come up in
     two modes (bootloader or regular), this gets complicated since the
     driver already knows how to handle the two modes including the
     actual addresses used.  So now the laptop driver needs to know more
     too, instantiating the regular address even if the bootloader one
     is the probe that passed.

   - mfd driver improvements by Javier Martines Canillas, and a few
     bugfixes from him, kbuild and myself"

* tag 'chrome-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/olof/chrome-platform:
  platform/chrome: chromeos_laptop - instantiate Atmel at primary address
  platform/chrome: cros_ec_lpc - Depend on X86 || COMPILE_TEST
  platform/chrome: cros_ec_lpc - Include linux/io.h header file
  platform/chrome: fix platform_no_drv_owner.cocci warnings
  platform/chrome: cros_ec_lightbar - fix duplicate const warning
  platform/chrome: cros_ec_dev - fix Unknown escape '%' warning
  platform/chrome: Expose Chrome OS Lightbar to users
  platform/chrome: Create sysfs attributes for the ChromeOS EC
  mfd: cros_ec: Instantiate ChromeOS EC character device
  platform/chrome: Add Chrome OS EC userspace device interface
  platform/chrome: Add cros_ec_lpc driver for x86 devices
  mfd: cros_ec: Add char dev and virtual dev pointers
  mfd: cros_ec: Use fixed size arrays to transfer data with the EC
 2015-04-26 13:36:02 -07:00
Linus Torvalds
7f9f44308c CRIS changes for 4.1 
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Merge tag 'cris-for-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/jesper/cris

Pull arch/cris updates from Jesper Nilsson:
 "Some much needed love for the CRIS-port.

  There's a bunch of changes this time, giving the CRISv32 port a bit of
  modern makeover with device-tree, irq domain and gpiolib support, and
  more switchover to generic frameworks.

  Some small fixes and removal of the theoretical SMP support brings up
  the rear"

* tag 'cris-for-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/jesper/cris:
  cris: fix integer overflow in ELF_ET_DYN_BASE
  CRISv32: use GENERIC_SCHED_CLOCK
  CRISv32: use MMIO clocksource
  CRISv32: use generic clockevents
  CRIS: use generic headers via Kbuild
  CRIS: use generic cmpxchg.h
  CRIS: use generic atomic.h
  CRIS: use generic atomic bitops
  CRISv10: remove redundant macros from system.h
  CRIS: remove SMP code
  CRISv32: don't enable irqs in INIT_THREAD
  CRISv32: handle multiple signals
  CRISv32: prevent bogus restarts on sigreturn
  CRISv32: don't attempt syscall restart on irq exit
  Add binding documentation for CRIS
  CRIS: add Axis 88 board device tree
  CRISv32: add device tree support
  CRISv32: add irq domains support
  CRIS: enable GPIOLIB
 2015-04-26 13:31:05 -07:00
Eric Dumazet
a31196b07f net: rfs: fix crash in get_rps_cpus() 
Commit 567e4b7973 ("net: rfs: add hash collision detection") had one
mistake :

RPS_NO_CPU is no longer the marker for invalid cpu in set_rps_cpu()
and get_rps_cpu(), as @next_cpu was the result of an AND with
rps_cpu_mask

This bug showed up on a host with 72 cpus :
next_cpu was 0x7f, and the code was trying to access percpu data of an
non existent cpu.

In a follow up patch, we might get rid of compares against nr_cpu_ids,
if we init the tables with 0. This is silly to test for a very unlikely
condition that exists only shortly after table initialization, as
we got rid of rps_reset_sock_flow() and similar functions that were
writing this RPS_NO_CPU magic value at flow dismantle : When table is
old enough, it never contains this value anymore.

Fixes: 567e4b7973 ("net: rfs: add hash collision detection")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Tom Herbert <tom@herbertland.com>
Cc: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2015-04-26 16:07:57 -04:00
Linus Torvalds
eadf16a912 This mostly includes the PPC changes for 4.1, which this time cover 
Book3S HV only (debugging aids, minor performance improvements and some
 cleanups).  But there are also bug fixes and small cleanups for ARM,
 x86 and s390.
 
 The task_migration_notifier revert and real fix is still pending review,
 but I'll send it as soon as possible after -rc1.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull second batch of KVM changes from Paolo Bonzini:
 "This mostly includes the PPC changes for 4.1, which this time cover
  Book3S HV only (debugging aids, minor performance improvements and
  some cleanups).  But there are also bug fixes and small cleanups for
  ARM, x86 and s390.

  The task_migration_notifier revert and real fix is still pending
  review, but I'll send it as soon as possible after -rc1"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (29 commits)
  KVM: arm/arm64: check IRQ number on userland injection
  KVM: arm: irqfd: fix value returned by kvm_irq_map_gsi
  KVM: VMX: Preserve host CR4.MCE value while in guest mode.
  KVM: PPC: Book3S HV: Use msgsnd for signalling threads on POWER8
  KVM: PPC: Book3S HV: Translate kvmhv_commence_exit to C
  KVM: PPC: Book3S HV: Streamline guest entry and exit
  KVM: PPC: Book3S HV: Use bitmap of active threads rather than count
  KVM: PPC: Book3S HV: Use decrementer to wake napping threads
  KVM: PPC: Book3S HV: Don't wake thread with no vcpu on guest IPI
  KVM: PPC: Book3S HV: Get rid of vcore nap_count and n_woken
  KVM: PPC: Book3S HV: Move vcore preemption point up into kvmppc_run_vcpu
  KVM: PPC: Book3S HV: Minor cleanups
  KVM: PPC: Book3S HV: Simplify handling of VCPUs that need a VPA update
  KVM: PPC: Book3S HV: Accumulate timing information for real-mode code
  KVM: PPC: Book3S HV: Create debugfs file for each guest's HPT
  KVM: PPC: Book3S HV: Add ICP real mode counters
  KVM: PPC: Book3S HV: Move virtual mode ICP functions to real-mode
  KVM: PPC: Book3S HV: Convert ICS mutex lock to spin lock
  KVM: PPC: Book3S HV: Add guest->host real mode completion counters
  KVM: PPC: Book3S HV: Add helpers for lock/unlock hpte
  ...
 2015-04-26 13:06:22 -07:00
Linus Torvalds
c6668726d2 Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending 
Pull SCSI target updates from Nicholas Bellinger:
 "Lots of activity in target land the last months.

  The highlights include:

   - Convert fabric drivers tree-wide to target_register_template() (hch
     + bart)

   - iser-target hardening fixes + v1.0 improvements (sagi)

   - Convert iscsi_thread_set usage to kthread.h + kill
     iscsi_target_tq.c (sagi + nab)

   - Add support for T10-PI WRITE_STRIP + READ_INSERT operation (mkp +
     sagi + nab)

   - DIF fixes for CONFIG_DEBUG_SG=y + UNMAP file emulation (akinobu +
     sagi + mkp)

   - Extended TCMU ABI v2 for future BIDI + DIF support (andy + ilias)

   - Fix COMPARE_AND_WRITE handling for NO_ALLLOC drivers (hch + nab)

  Thanks to everyone who contributed this round with new features,
  bug-reports, fixes, cleanups and improvements.

  Looking forward, it's currently shaping up to be a busy v4.2 as well"

* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (69 commits)
  target: Put TCMU under a new config option
  target: Version 2 of TCMU ABI
  target: fix tcm_mod_builder.py
  target/file: Fix UNMAP with DIF protection support
  target/file: Fix SG table for prot_buf initialization
  target/file: Fix BUG() when CONFIG_DEBUG_SG=y and DIF protection enabled
  target: Make core_tmr_abort_task() skip TMFs
  target/sbc: Update sbc_dif_generate pr_debug output
  target/sbc: Make internal DIF emulation honor ->prot_checks
  target/sbc: Return INVALID_CDB_FIELD if DIF + sess_prot_type disabled
  target: Ensure sess_prot_type is saved across session restart
  target/rd: Don't pass incomplete scatterlist entries to sbc_dif_verify_*
  target: Remove the unused flag SCF_ACK_KREF
  target: Fix two sparse warnings
  target: Fix COMPARE_AND_WRITE with SG_TO_MEM_NOALLOC handling
  target: simplify the target template registration API
  target: simplify target_xcopy_init_pt_lun
  target: remove the unused SCF_CMD_XCOPY_PASSTHROUGH flag
  target/rd: reduce code duplication in rd_execute_rw()
  tcm_loop: fixup tpgt string to integer conversion
  ...
 2015-04-24 10:22:09 -07:00
Linus Torvalds
06b45f2aa7 pwm: Changes for v4.1-rc1 
Not much has been happening in PWM land lately, so this contains mostly
 minor fixes that didn't seem urgent enough for a late pull-request last
 cycle.
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Merge tag 'pwm/for-4.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm

Pull pwm changes from Thierry Reding:
 "Not much has been happening in PWM land lately, so this contains
  mostly minor fixes that didn't seem urgent enough for a late
  pull-request last cycle"

* tag 'pwm/for-4.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm:
  pwm: Remove __init initializer for pwm_add_table()
  pwm: samsung: Fix output race on disabling
  pwm: mxs: Fix period divider computation
  pwm: atmel-hlcdc: Add errata handling for sama5d4
  pwm: pca9685: Constify struct regmap_config
  pwm: imx-pwm: add explicit compatible strings and required clock properties
 2015-04-24 10:11:24 -07:00
Linus Torvalds
b3f4ef0bf2 - cleanup of dma_buf_export() 
- correction of copy-paste stupidity while doing the cleanup
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Merge tag 'dma-buf-for-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/sumits/dma-buf

Pull dma-buf updates from Sumit Semwal:
 "Minor cleanup only; this could've gone in for the 4.0 merge window,
  but for a copy-paste stupidity from me.

  It has been in the for-next since then, and no issues reported.

   - cleanup of dma_buf_export()

   - correction of copy-paste stupidity while doing the cleanup"

* tag 'dma-buf-for-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/sumits/dma-buf:
  staging: android: ion: fix wrong init of dma_buf_export_info
  dma-buf: cleanup dma_buf_export() to make it easily extensible
 2015-04-24 10:05:39 -07:00
Linus Torvalds
d6a4c0e5d3 Merge branch 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma 
Pull slave-dmaengine updates from Vinod Koul:

 - new drivers for:
        - Ingenic JZ4780 controller
        - APM X-Gene controller
        - Freescale RaidEngine device
        - Renesas USB Controller

  - remove device_alloc_chan_resources dummy handlers

  - sh driver cleanups for peri peri and related emmc and asoc patches
    as well

  - fixes and enhancements spread over the drivers

* 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma: (59 commits)
  dmaengine: dw: don't prompt for DW_DMAC_CORE
  dmaengine: shdmac: avoid unused variable warnings
  dmaengine: fix platform_no_drv_owner.cocci warnings
  dmaengine: pch_dma: fix memory leak on failure path in pch_dma_probe()
  dmaengine: at_xdmac: unlock spin lock before return
  dmaengine: xgene: devm_ioremap() returns NULL on error
  dmaengine: xgene: buffer overflow in xgene_dma_init_channels()
  dmaengine: usb-dmac: Fix dereferencing freed memory 'desc'
  dmaengine: sa11x0: report slave capabilities to upper layers
  dmaengine: vdma: Fix compilation warnings
  dmaengine: fsl_raid: statify fsl_re_chan_probe
  dmaengine: Driver support for FSL RaidEngine device.
  dmaengine: xgene_dma_init_ring_mngr() can be static
  Documentation: dma: Add documentation for the APM X-Gene SoC DMA device DTS binding
  arm64: dts: Add APM X-Gene SoC DMA device and DMA clock DTS nodes
  dmaengine: Add support for APM X-Gene SoC DMA engine driver
  dmaengine: usb-dmac: Add Renesas USB DMA Controller (USB-DMAC) driver
  dmaengine: renesas,usb-dmac: Add device tree bindings documentation
  dmaengine: edma: fixed wrongly initialized data parameter to the edma callback
  dmaengine: ste_dma40: fix implicit conversion
  ...
 2015-04-24 09:49:37 -07:00
Linus Torvalds
474095e46c md updates for 4.1 
Highlights:
 
 - "experimental" code for managing md/raid1 across a cluster using
   DLM.  Code is not ready for general use and triggers a WARNING if used.
   However it is looking good and mostly done and having in mainline
   will help co-ordinate development.
 - RAID5/6 can now batch multiple (4K wide) stripe_heads so as to
   handle a full (chunk wide) stripe as a single unit.
 - RAID6 can now perform read-modify-write cycles which should
   help performance on larger arrays: 6 or more devices.
 - RAID5/6 stripe cache now grows and shrinks dynamically.  The value
   set is used as a minimum.
 - Resync is now allowed to go a little faster than the 'mininum' when
   there is competing IO.  How much faster depends on the speed of the
   devices, so the effective minimum should scale with device speed to
   some extent.
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Merge tag 'md/4.1' of git://neil.brown.name/md

Pull md updates from Neil Brown:
 "More updates that usual this time.  A few have performance impacts
  which hould mostly be positive, but RAID5 (in particular) can be very
  work-load ensitive...  We'll have to wait and see.

  Highlights:

   - "experimental" code for managing md/raid1 across a cluster using
     DLM.  Code is not ready for general use and triggers a WARNING if
     used.  However it is looking good and mostly done and having in
     mainline will help co-ordinate development.

   - RAID5/6 can now batch multiple (4K wide) stripe_heads so as to
     handle a full (chunk wide) stripe as a single unit.

   - RAID6 can now perform read-modify-write cycles which should help
     performance on larger arrays: 6 or more devices.

   - RAID5/6 stripe cache now grows and shrinks dynamically.  The value
     set is used as a minimum.

   - Resync is now allowed to go a little faster than the 'mininum' when
     there is competing IO.  How much faster depends on the speed of the
     devices, so the effective minimum should scale with device speed to
     some extent"

* tag 'md/4.1' of git://neil.brown.name/md: (58 commits)
  md/raid5: don't do chunk aligned read on degraded array.
  md/raid5: allow the stripe_cache to grow and shrink.
  md/raid5: change ->inactive_blocked to a bit-flag.
  md/raid5: move max_nr_stripes management into grow_one_stripe and drop_one_stripe
  md/raid5: pass gfp_t arg to grow_one_stripe()
  md/raid5: introduce configuration option rmw_level
  md/raid5: activate raid6 rmw feature
  md/raid6 algorithms: xor_syndrome() for SSE2
  md/raid6 algorithms: xor_syndrome() for generic int
  md/raid6 algorithms: improve test program
  md/raid6 algorithms: delta syndrome functions
  raid5: handle expansion/resync case with stripe batching
  raid5: handle io error of batch list
  RAID5: batch adjacent full stripe write
  raid5: track overwrite disk count
  raid5: add a new flag to track if a stripe can be batched
  raid5: use flex_array for scribble data
  md raid0: access mddev->queue (request queue member) conditionally because it is not set when accessed from dm-raid
  md: allow resync to go faster when there is competing IO.
  md: remove 'go_faster' option from ->sync_request()
  ...
 2015-04-24 09:28:01 -07:00
Linus Torvalds
d56a669ca5 Devicetree updates for 4.1: 
- DT endianness specification bindings
 - Big endian 8250 serial support
 - DT overlay unittest updates
 - Various DT doc updates
 - Compile fixes for OF_IRQ=n
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Merge tag 'devicetree-for-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull second batch of devicetree updates from Rob Herring:
 "As Grant mentioned in the first devicetree pull request, here is the
  2nd batch of DT changes for 4.1.  The main remaining item here is the
  endianness bindings and related 8250 driver support.

   - DT endianness specification bindings

   - big-endian 8250 serial support

   - DT overlay unittest updates

   - various DT doc updates

   - compile fixes for OF_IRQ=n"

* tag 'devicetree-for-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  frv: add io{read,write}{16,32}be functions
  mn10300: add io{read,write}{16,32}be functions
  Documentation: DT bindings: add doc for Altera's SoCFPGA platform
  of: base: improve of_get_next_child() kernel-doc
  Doc: dt: arch_timer: discourage clock-frequency use
  of: unittest: overlay: Keep track of created overlays
  of/fdt: fix allocation size for device node path
  serial: of_serial: Support big-endian register accesses
  serial: 8250: Add support for big-endian MMIO accesses
  of: Document {little,big,native}-endian bindings
  of/fdt: Add endianness helper function for early init code
  of: Add helper function to check MMIO register endianness
  of/fdt: Remove "reg" data prints from early_init_dt_scan_memory
  of: add vendor prefix for Artesyn
  of: Add dummy of_irq_to_resource_table() for IRQ_OF=n
  of: OF_IRQ should depend on IRQ_DOMAIN
 2015-04-24 08:46:18 -07:00
Linus Torvalds
836ee4874e Initial ACPI support for arm64: 
This series introduces preliminary ACPI 5.1 support to the arm64 kernel
 using the "hardware reduced" profile. We don't support any peripherals
 yet, so it's fairly limited in scope:
 
 - Memory init (UEFI)
 - ACPI discovery (RSDP via UEFI)
 - CPU init (FADT)
 - GIC init (MADT)
 - SMP boot (MADT + PSCI)
 - ACPI Kconfig options (dependent on EXPERT)
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull initial ACPI support for arm64 from Will Deacon:
 "This series introduces preliminary ACPI 5.1 support to the arm64
  kernel using the "hardware reduced" profile.  We don't support any
  peripherals yet, so it's fairly limited in scope:

   - MEMORY init (UEFI)

   - ACPI discovery (RSDP via UEFI)

   - CPU init (FADT)

   - GIC init (MADT)

   - SMP boot (MADT + PSCI)

   - ACPI Kconfig options (dependent on EXPERT)

  ACPI for arm64 has been in development for a while now and hardware
  has been available that can boot with either FDT or ACPI tables.  This
  has been made possible by both changes to the ACPI spec to cater for
  ARM-based machines (known as "hardware-reduced" in ACPI parlance) but
  also a Linaro-driven effort to get this supported on top of the Linux
  kernel.  This pull request is the result of that work.

  These changes allow us to initialise the CPUs, interrupt controller,
  and timers via ACPI tables, with memory information and cmdline coming
  from EFI.  We don't support a hybrid ACPI/FDT scheme.  Of course,
  there is still plenty of work to do (a serial console would be nice!)
  but I expect that to happen on a per-driver basis after this core
  series has been merged.

  Anyway, the diff stat here is fairly horrible, but splitting this up
  and merging it via all the different subsystems would have been
  extremely painful.  Instead, we've got all the relevant Acks in place
  and I've not seen anything other than trivial (Kconfig) conflicts in
  -next (for completeness, I've included my resolution below).  Nearly
  half of the insertions fall under Documentation/.

  So, we'll see how this goes.  Right now, it all depends on EXPERT and
  I fully expect people to use FDT by default for the immediate future"

* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (31 commits)
  ARM64 / ACPI: make acpi_map_gic_cpu_interface() as void function
  ARM64 / ACPI: Ignore the return error value of acpi_map_gic_cpu_interface()
  ARM64 / ACPI: fix usage of acpi_map_gic_cpu_interface
  ARM64: kernel: acpi: honour acpi=force command line parameter
  ARM64: kernel: acpi: refactor ACPI tables init and checks
  ARM64: kernel: psci: let ACPI probe PSCI version
  ARM64: kernel: psci: factor out probe function
  ACPI: move arm64 GSI IRQ model to generic GSI IRQ layer
  ARM64 / ACPI: Don't unflatten device tree if acpi=force is passed
  ARM64 / ACPI: additions of ACPI documentation for arm64
  Documentation: ACPI for ARM64
  ARM64 / ACPI: Enable ARM64 in Kconfig
  XEN / ACPI: Make XEN ACPI depend on X86
  ARM64 / ACPI: Select ACPI_REDUCED_HARDWARE_ONLY if ACPI is enabled on ARM64
  clocksource / arch_timer: Parse GTDT to initialize arch timer
  irqchip: Add GICv2 specific ACPI boot support
  ARM64 / ACPI: Introduce ACPI_IRQ_MODEL_GIC and register device's gsi
  ACPI / processor: Make it possible to get CPU hardware ID via GICC
  ACPI / processor: Introduce phys_cpuid_t for CPU hardware ID
  ARM64 / ACPI: Parse MADT for SMP initialization
  ...
 2015-04-24 08:23:45 -07:00
Linus Torvalds
c76397e930 ARC changes for 4.1-rc1: 
- perf fixes/improvements
 - miscll cleanups
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Merge tag 'arc-4.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc

Pull ARC updates from Vineet Gupta:

 - perf fixes/improvements

 - misc cleanups

* tag 'arc-4.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
  ARC: perf: don't add code for impossible case
  ARC: perf: Rename DT binding to not confuse with power mgmt
  ARC: perf: add user space attribution in callchains
  ARC: perf: Add kernel callchain support
  ARC: perf: support cache hit/miss ratio
  ARC: perf: Add some comments/debug stuff
  ARC: perf: make @arc_pmu static global
  ARC: mem init spring cleaning - No functional changes
  ARC: Fix RTT boot printing
  ARC: fold __builtin_constant_p() into test_bit()
  ARC: rename unhandled exception handler
  ARC: cosmetic: Remove unused ECR bitfield masks
  ARC: Fix WRITE_BCR
  ARC: [nsimosci] Update defconfig
  arc: copy_thread(): rename 'arg' argument to 'kthread_arg'
 2015-04-24 07:55:54 -07:00
Linus Torvalds
1aef882f02 xfs: update for 4.1-rc1 
This update contains:
 o RENAME_WHITEOUT support
 o conversion of per-cpu superblock accounting to use generic counters
 o new inode mmap lock so that we can lock page faults out of truncate, hole
   punch and other direct extent manipulation functions to avoid racing mmap
   writes from causing data corruption
 o rework of direct IO submission and completion to solve data corruption issue
   when running concurrent extending DIO writes. Also solves problem of running
   IO completion transactions in interrupt context during size extending AIO
   writes.
 o FALLOC_FL_INSERT_RANGE support for inserting holes into a file via direct
   extent manipulation to avoid needing to copy data within the file
 o attribute block header field overflow fix for 64k block size filesystems
 o Lots of changes to log messaging to be more informative and concise when
   errors occur. Also prevent a lot of unnecessary log spamming due to cascading
   failures in error conditions.
 o lots of cleanups and bug fixes
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Merge tag 'xfs-for-linus-4.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs

Pull xfs update from Dave Chinner:
 "This update contains:

   - RENAME_WHITEOUT support

   - conversion of per-cpu superblock accounting to use generic counters

   - new inode mmap lock so that we can lock page faults out of
     truncate, hole punch and other direct extent manipulation functions
     to avoid racing mmap writes from causing data corruption

   - rework of direct IO submission and completion to solve data
     corruption issue when running concurrent extending DIO writes.
     Also solves problem of running IO completion transactions in
     interrupt context during size extending AIO writes.

   - FALLOC_FL_INSERT_RANGE support for inserting holes into a file via
     direct extent manipulation to avoid needing to copy data within the
     file

   - attribute block header field overflow fix for 64k block size
     filesystems

   - Lots of changes to log messaging to be more informative and concise
     when errors occur.  Also prevent a lot of unnecessary log spamming
     due to cascading failures in error conditions.

   - lots of cleanups and bug fixes

  One thing of note is the direct IO fixes that we merged last week
  after the window opened.  Even though a little late, they fix a user
  reported data corruption and have been pretty well tested.  I figured
  there was not much point waiting another 2 weeks for -rc1 to be
  released just so I could send them to you..."

* tag 'xfs-for-linus-4.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs: (49 commits)
  xfs: using generic_file_direct_write() is unnecessary
  xfs: direct IO EOF zeroing needs to drain AIO
  xfs: DIO write completion size updates race
  xfs: DIO writes within EOF don't need an ioend
  xfs: handle DIO overwrite EOF update completion correctly
  xfs: DIO needs an ioend for writes
  xfs: move DIO mapping size calculation
  xfs: factor DIO write mapping from get_blocks
  xfs: unlock i_mutex in xfs_break_layouts
  xfs: kill unnecessary firstused overflow check on attr3 leaf removal
  xfs: use larger in-core attr firstused field and detect overflow
  xfs: pass attr geometry to attr leaf header conversion functions
  xfs: disallow ro->rw remount on norecovery mount
  xfs: xfs_shift_file_space can be static
  xfs: Add support FALLOC_FL_INSERT_RANGE for fallocate
  fs: Add support FALLOC_FL_INSERT_RANGE for fallocate
  xfs: Fix incorrect positive ENOMEM return
  xfs: xfs_mru_cache_insert() should use GFP_NOFS
  xfs: %pF is only for function pointers
  xfs: fix shadow warning in xfs_da3_root_split()
  ...
 2015-04-24 07:08:41 -07:00
Dinh Nguyen
f3b07b8611 Documentation: DT bindings: add doc for Altera's SoCFPGA platform 
Document "altr,socfpga-cyclone5", "altr,socfpga-arria5", and
"altr,socfpga-arria10".

Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>
Signed-off-by: Rob Herring <robh@kernel.org>
 2015-04-22 22:37:22 -05:00
Linus Torvalds
a62d016cec Common MTD: 
* Add Kconfig option for keeping both the 'master' and 'partition' MTDs
    registered as devices. This would really make a better default if we could
    do it over, as it allows a lot more flexibility in (1) determining the flash
    topology of the system from user-space and (2) adding temporary partitions
    at runtime (ioctl(BLKPG)). Unfortunately, this would possibly cause
    user-space breakage, as it will cause renumbering of the /dev/mtdX devices.
    We'll see if we can change this in the future, as there have already been a
    few people looking for this feature, and I know others have just been
    working around our current limitations instead of fixing them this way.
  * Along with the previous change, add some additional information to sysfs, so
    user-space can read the offset of each partition within its master device
 
 SPI NOR:
  * add new device tree compatible binding to represent the mostly-compatible
    class of SPI NOR flash which can be detected by their extended JEDEC ID
    bytes, cutting down the duplication of our ID tables
  * misc. new IDs
 
 Various other miscellaneous fixes and changes
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Merge tag 'for-linus-20150422' of git://git.infradead.org/linux-mtd

Pull MTD updates from Brian Norris:
 "Common MTD:

   - Add Kconfig option for keeping both the 'master' and 'partition'
     MTDs registered as devices.  This would really make a better
     default if we could do it over, as it allows a lot more flexibility
     in (1) determining the flash topology of the system from user-space
     and (2) adding temporary partitions at runtime (ioctl(BLKPG)).

     Unfortunately, this would possibly cause user-space breakage, as it
     will cause renumbering of the /dev/mtdX devices.  We'll see if we
     can change this in the future, as there have already been a few
     people looking for this feature, and I know others have just been
     working around our current limitations instead of fixing them this
     way.

   - Along with the previous change, add some additional information to
     sysfs, so user-space can read the offset of each partition within
     its master device

  SPI NOR:

   - add new device tree compatible binding to represent the
     mostly-compatible class of SPI NOR flash which can be detected by
     their extended JEDEC ID bytes, cutting down the duplication of our
     ID tables

   - misc.  new IDs

  Various other miscellaneous fixes and changes"

* tag 'for-linus-20150422' of git://git.infradead.org/linux-mtd: (53 commits)
  mtd: spi-nor: Add support for Macronix mx25u6435f serial flash
  mtd: spi-nor: Add support for Winbond w25q64dw serial flash
  mtd: spi-nor: add support for the Winbond W25X05 flash
  mtd: spi-nor: support en25s64 device
  mtd: m25p80: bind to "nor-jedec" ID, for auto-detection
  Documentation: devicetree: m25p80: add "nor-jedec" binding
  mtd: Make MTD tests cancelable
  mtd: mtd_oobtest: Fix bitflip_limit usage in test case 3
  mtd: docg3: remove invalid __exit annotations
  mtd: fsl_ifc_nand: use msecs_to_jiffies for time conversion
  mtd: atmel_nand: don't map the ROM table if no pmecc table offset in DT
  mtd: atmel_nand: add a definition for the oob reserved bytes
  mtd: part: Remove partition overlap checks
  mtd: part: Add sysfs variable for offset of partition
  mtd: part: Create the master device node when partitioned
  mtd: ts5500_flash: Fix typo in MODULE_DESCRIPTION in ts5500_flash.c
  mtd: denali: Disable sub-page writes in Denali NAND driver
  mtd: pxa3xx_nand: cleanup wait_for_completion handling
  mtd: nand: gpmi: Check for scan_bbt() error
  mtd: nand: gpmi: fixup return type of wait_for_completion_timeout
  ...
 2015-04-22 12:00:44 -07:00
Linus Torvalds
7c034dfd58 InfiniBand/RDMA updates for 4.1: 
- IPoIB fixes from Doug Ledford and Erez Shitrit
  - iSER updates from Sagi Grimberg
  - mlx4 GUID handling changes from Yishai Hadas
  - other misc fixes
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Merge tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband

Pull InfiniBand/RDMA updates from Roland Dreier:

 - IPoIB fixes from Doug Ledford and Erez Shitrit

 - iSER updates from Sagi Grimberg

 - mlx4 GUID handling changes from Yishai Hadas

 - other misc fixes

* tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (51 commits)
  mlx5: wrong page mask if CONFIG_ARCH_DMA_ADDR_T_64BIT enabled for 32Bit architectures
  IB/iser: Rewrite bounce buffer code path
  IB/iser: Bump version to 1.6
  IB/iser: Remove code duplication for a single DMA entry
  IB/iser: Pass struct iser_mem_reg to iser_fast_reg_mr and iser_reg_sig_mr
  IB/iser: Modify struct iser_mem_reg members
  IB/iser: Make fastreg pool cache friendly
  IB/iser: Move PI context alloc/free to routines
  IB/iser: Move fastreg descriptor pool get/put to helper functions
  IB/iser: Merge build page-vec into register page-vec
  IB/iser: Get rid of struct iser_rdma_regd
  IB/iser: Remove redundant assignments in iser_reg_page_vec
  IB/iser: Move memory reg/dereg routines to iser_memory.c
  IB/iser: Don't pass ib_device to fall_to_bounce_buff routine
  IB/iser: Remove a redundant struct iser_data_buf
  IB/iser: Remove redundant cmd_data_len calculation
  IB/iser: Fix wrong calculation of protection buffer length
  IB/iser: Handle fastreg/local_inv completion errors
  IB/iser: Fix unload during ep_poll wrong dereference
  ib_srpt: convert printk's to pr_* functions
  ...
 2015-04-22 11:50:05 -07:00
Robert Shearman
37bde79979 mpls: Per-device enabling of packet input 
An MPLS network is a single trust domain where the edges must be in
control of what labels make their way into the core. The simplest way
of ensuring this is for the edge device to always impose the labels,
and not allow forward labeled traffic from untrusted neighbours. This
is achieved by allowing a per-device configuration of whether MPLS
traffic input from that interface should be processed or not.

To be secure by default, the default state is changed to MPLS being
disabled on all interfaces unless explicitly enabled and no global
option is provided to change the default. Whilst this differs from
other protocols (e.g. IPv6), network operators are used to explicitly
enabling MPLS forwarding on interfaces, and with the number of links
to the MPLS core typically fairly low this doesn't present too much of
a burden on operators.

Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Robert Shearman <rshearma@brocade.com>
Reviewed-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2015-04-22 14:24:54 -04:00
Linus Torvalds
7dcca3e92a Merge git://www.linux-watchdog.org/linux-watchdog 
Pull watchdog updates from Wim Van Sebroeck:
 "This contains following changes:

   - Octeon: convert to watchdog-API and apply some fixes
   - Cadence wdt: remove dependency on ARCH
   - add DT bindings for qcom + msm
   - bcm281xx: Remove use of seq_printf return value
   - stmp3xxx_rtc_wdt + pnx4008_wdt: fix broken email addresses"

* git://www.linux-watchdog.org/linux-watchdog:
  watchdog: stmp3xxx_rtc_wdt: fix broken email address
  watchdog: pnx4008_wdt: fix broken email address
  watchdog: octeon: use fixed length string for register names
  watchdog: octeon: fix some trivial coding style issues
  watchdog: octeon: convert to WATCHDOG_CORE API
  watchdog: cadence: Remove Kconfig dependency on ARCH
  ARM: msm: add watchdog entries to DT timer binding doc
  ARM: qcom: add description of KPSS WDT for IPQ8064
  watchdog: qcom: use timer devicetree binding
  watchdog: bcm281xx: Remove use of seq_printf return value
 2015-04-22 11:22:55 -07:00
Linus Torvalds
8b3c8ba3d8 ARM: SoC late changes for v4.1 
We were expecting to sit on this branch through most of the merge window since
 the contents was merged into our tree late, but we ended up sitting on all of
 our contents so it can go in with the rest.
 
 The contents here is:
 
 - A large branch of cleanups of the CM/PRM blocks on OMAP.
 - A couple of patches plumbing up CM/PRM on OMAP5 and DRA7.
 - A branch with DT updates for Freescale i.MX. including some shuffling from
   .dts to .dtsi (include) files that causes a little churn.
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Merge tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC late changes from Olof Johansson:
 "We were expecting to sit on this branch through most of the merge
  window since the contents was merged into our tree late, but we ended
  up sitting on all of our contents so it can go in with the rest.

  The contents here is:

   - a large branch of cleanups of the CM/PRM blocks on OMAP.

   - a couple of patches plumbing up CM/PRM on OMAP5 and DRA7.

   - a branch with DT updates for Freescale i.MX.  including some
     shuffling from .dts to .dtsi (include) files that causes a little
     churn"

* tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (78 commits)
  ARM: OMAP2+: Fix booting with configs that don't have MFD_SYSCON
  ARM: OMAP4+: control: add support for initializing control module via DT
  ARM: dts: dra7: add minimal l4 bus layout with control module support
  ARM: dts: omap5: add minimal l4 bus layout with control module support
  ARM: OMAP4+: control: remove support for legacy pad read/write
  ARM: OMAP4: display: convert display to use syscon for dsi muxing
  ARM: dts: omap4: add minimal l4 bus layout with control module support
  ARM: dts: am4372: add minimal l4 bus layout with control module support
  ARM: dts: am43xx-epos-evm: fix pinmux node layout
  ARM: dts: am33xx: add minimal l4 bus layout with control module support
  ARM: dts: omap3: add minimal l4 bus layout with control module support
  ARM: dts: omap24xx: add minimal l4 bus layout with control module support
  ARM: OMAP2+: control: add syscon support for register accesses
  ARM: OMAP2+: id: cache omap_type value
  ARM: OMAP2+: control: remove API for getting control module base address
  ARM: OMAP2+: clock: add low-level support for regmap
  ARM: OMAP4+: PRM: get rid of cpu_is_omap44xx calls from interrupt init
  ARM: OMAP4+: PRM: setup prm_features from the PRM init time flags
  ARM: OMAP2+: CM: move SoC specific init calls within a generic API
  ARM: OMAP4+: PRM: determine prm_device_inst based on DT compatibility
  ...
 2015-04-22 09:24:55 -07:00
Linus Torvalds
e5ac320de1 ARM: SoC multiplatform code changes for v4.1 
The changes here belong to two main platforms:
 
 - Atmel At91 is flipping the bit and going multiplatform. This includes some
   cleanups and removal of code, and the final flip of config dependencies
 
 - Shmobile has several platforms that are going multiplatform, but this
   branch also contains a bunch of cleanups that they weren't able to keep
   separate in a good way. THere's also a removal of one of their SoCs and the
   corresponding boards (sh7372 and mackerel).
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Merge tag 'armsoc-multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC multiplatform code changes from Olof Johansson:
 "The changes here belong to two main platforms:

   - Atmel At91 is flipping the bit and going multiplatform.  This
     includes some cleanups and removal of code, and the final flip of
     config dependencies

   - Shmobile has several platforms that are going multiplatform, but
     this branch also contains a bunch of cleanups that they weren't
     able to keep separate in a good way.  THere's also a removal of one
     of their SoCs and the corresponding boards (sh7372 and mackerel)"

* tag 'armsoc-multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (67 commits)
  ARM: at91/pm: move AT91_MEMCTRL_* to pm.h
  ARM: at91/pm: move the standby functions to pm.c
  ARM: at91: fix pm_suspend.S compilation when ARMv6 is selected
  ARM: at91: add a Kconfig dependency on multi-platform
  ARM: at91: drop AT91_TIMER_HZ
  ARM: at91: remove hardware.h
  ARM: at91: remove SoC headers
  ARM: at91: remove useless mach/cpu.h
  ARM: at91: remove unused headers
  ARM: at91: switch at91_dt_defconfig to multiplatform
  ARM: at91: switch to multiplatform
  ARM: shmobile: r8a7778: enable multiplatform target
  ARM: shmobile: bockw: add sound to DT
  ARM: shmobile: r8a7778: add sound to DT
  ARM: shmobile: bockw: add devices hooked up to i2c0 to DT
  DT: i2c: add trivial binding for OKI ML86V7667 video decoder
  ARM: shmobile: r8a7778: common clock framework CPG driver
  ARM: shmobile: bockw dts: set extal clock frequency
  ARM: shmobile: bockw dts: Move Ethernet node to BSC
  ARM: shmobile: r8a73a4: Remove legacy code
  ...
 2015-04-22 09:20:15 -07:00
Linus Torvalds
7d2b6ef19c ARM: SoC driver updates for v4.1 
Driver updates for v4.1. Some of these are for drivers/soc, where we find more
 and more SoC-specific drivers these days. Some are for other driver subsystems
 where we have received acks from the appropriate maintainers.
 
 The larger parts of this branch are:
 
 - MediaTek support for their PMIC wrapper interface, a high-level interface
   for talking to the system PMIC over a dedicated I2C interface.
 - Qualcomm SCM driver has been moved to drivers/firmware. It's used for CPU
   up/down and needs to be in a shared location for arm/arm64 common code.
 - Cleanup of ARM-CCI PMU code.
 - Anoter set of cleanusp to the OMAP GPMC code.
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC driver updates from Olof Johansson:
 "Driver updates for v4.1.  Some of these are for drivers/soc, where we
  find more and more SoC-specific drivers these days.  Some are for
  other driver subsystems where we have received acks from the
  appropriate maintainers.

  The larger parts of this branch are:

   - MediaTek support for their PMIC wrapper interface, a high-level
     interface for talking to the system PMIC over a dedicated I2C
     interface.

   - Qualcomm SCM driver has been moved to drivers/firmware.  It's used
     for CPU up/down and needs to be in a shared location for arm/arm64
     common code.

   - cleanup of ARM-CCI PMU code.

   - another set of cleanusp to the OMAP GPMC code"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (43 commits)
  soc/mediatek: Remove unused variables
  clocksource: atmel-st: select MFD_SYSCON
  soc: mediatek: Add PMIC wrapper for MT8135 and MT8173 SoCs
  arm-cci: Fix CCI PMU event validation
  arm-cci: Split the code for PMU vs driver support
  arm-cci: Get rid of secure transactions for PMU driver
  arm-cci: Abstract the CCI400 PMU specific definitions
  arm-cci: Rearrange code for splitting PMU vs driver code
  drivers: cci: reject groups spanning multiple HW PMUs
  ARM: at91: remove useless include
  clocksource: atmel-st: remove mach/hardware dependency
  clocksource: atmel-st: use syscon/regmap
  ARM: at91: time: move the system timer driver to drivers/clocksource
  ARM: at91: properly initialize timer
  ARM: at91: at91rm9200: remove deprecated arm_pm_restart
  watchdog: at91rm9200: implement restart handler
  watchdog: at91rm9200: use the system timer syscon
  mfd: syscon: Add atmel system timer registers definition
  ARM: at91/dt: declare atmel,at91rm9200-st as a syscon
  soc: qcom: gsbi: Add support for ADM CRCI muxing
  ...
 2015-04-22 09:18:17 -07:00
Linus Torvalds
5c73cc4b6c ARM: DT updates for v4.1 
As always, this tends to be one of our bigger branches. There are lots of
 updates this release, but not that many jumps out as something that needs
 more detailed coverage. Some of the highlights are:
 
 - DTs for the new Annapurna Labs Alpine platform
 - More graphics DT pieces falling into place on Exynos, bridges, clocks.
 - Plenty of DT updates for Qualcomm platforms for various IP blocks
 - Some churn on Tegra due to switch-over to tool-generated pinctrl data
 - Misc fixes and updates for Atmel at91 platforms
 - Various DT updates to add IP block support on Broadcom's Cygnus platforms
 - More updates for Renesas platforms as DT support is added for various IP
   blocks (IPMMU, display, audio, etc).
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Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM DT updates from Olof Johansson:
 "As always, this tends to be one of our bigger branches.  There are
  lots of updates this release, but not that many jumps out as something
  that needs more detailed coverage.  Some of the highlights are:

   - DTs for the new Annapurna Labs Alpine platform

   - more graphics DT pieces falling into place on Exynos, bridges,
     clocks.

   - plenty of DT updates for Qualcomm platforms for various IP blocks

   - some churn on Tegra due to switch-over to tool-generated pinctrl
     data

   - misc fixes and updates for Atmel at91 platforms

   - various DT updates to add IP block support on Broadcom's Cygnus
     platforms

   - more updates for Renesas platforms as DT support is added for
     various IP blocks (IPMMU, display, audio, etc)"

* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (231 commits)
  ARM: dts: alpine: add internal pci
  Revert "ARM: dts: mt8135: Add pinctrl/GPIO/EINT node for mt8135."
  ARM: mvebu: use 0xf1000000 as internal registers on Armada 370 DB
  ARM: dts: qcom: Add idle state device nodes for 8064
  ARM: dts: qcom: Add idle states device nodes for 8084
  ARM: dts: qcom: Add idle states device nodes for 8974/8074
  ARM: dts: qcom: Update power-controller device node for 8064 Krait CPUs
  ARM: dts: qcom: Add power-controller device node for 8084 Krait CPUs
  ARM: dts: qcom: Add power-controller device node for 8074 Krait CPUs
  devicetree: bindings: Document qcom,idle-states
  devicetree: bindings: Update qcom,saw2 node bindings
  dt-bindings: Add #defines for MSM8916 clocks and resets
  arm: dts: qcom: Add LPASS Audio HW to IPQ8064 device tree
  arm: dts: qcom: Add APQ8084 chipset SPMI PMIC's nodes
  arm: dts: qcom: Add 8x74 chipset SPMI PMIC's nodes
  arm: dts: qcom: Add SPMI PMIC Arbiter nodes for APQ8084 and MSM8974
  arm: dts: qcom: Add LCC nodes
  arm: dts: qcom: Add TCSR support for MSM8960
  arm: dts: qcom: Add TCSR support for MSM8660
  arm: dts: qcom: Add TCSR support for IPQ8064
  ...
 2015-04-22 09:09:46 -07:00
Linus Torvalds
e6c81cce56 ARM: SoC platform updates for v4.1 
Our SoC branch usually contains expanded support for new SoCs and other core
 platform code. In this case, that includes:
 
 - Support for the new Annapurna Labs "Alpine" platform
 - A rework greatly simplifying adding new platform support to the MCPM
   subsystem (Multi-cluster power management)
 - Cpuidle and PM improvements for Exynos3250
 - Misc updates for Renesas, OMAP, Meson, i.MX. Some of these could have
   gone in other branches but ended up here for various reasons.
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC platform updates from Olof Johansson:
 "Our SoC branch usually contains expanded support for new SoCs and
  other core platform code.  In this case, that includes:

   - support for the new Annapurna Labs "Alpine" platform

   - a rework greatly simplifying adding new platform support to the
     MCPM subsystem (Multi-cluster power management)

   - cpuidle and PM improvements for Exynos3250

   - misc updates for Renesas, OMAP, Meson, i.MX.  Some of these could
     have gone in other branches but ended up here for various reasons"

* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (53 commits)
  ARM: alpine: add support for generic pci
  ARM: Exynos: migrate DCSCB to the new MCPM backend abstraction
  ARM: vexpress: migrate DCSCB to the new MCPM backend abstraction
  ARM: vexpress: DCSCB: tighten CPU validity assertion
  ARM: vexpress: migrate TC2 to the new MCPM backend abstraction
  ARM: MCPM: move the algorithmic complexity to the core code
  ARM: EXYNOS: allow cpuidle driver usage on Exynos3250 SoC
  ARM: EXYNOS: add AFTR mode support for Exynos3250
  ARM: EXYNOS: add code for setting/clearing boot flag
  ARM: EXYNOS: fix CPU1 hotplug on Exynos3250
  ARM: S3C64XX: Use fixed IRQ bases to avoid conflicts on Cragganmore
  ARM: cygnus: fix const declaration bcm_cygnus_dt_compat
  ARM: DRA7: hwmod: Fix the hwmod class for GPTimer4
  ARM: DRA7: hwmod: Add data for GPTimers 13 through 16
  ARM: EXYNOS: Remove left over 'extra_save'
  ARM: EXYNOS: Constify exynos_pm_data array
  ARM: EXYNOS: use static in suspend.c
  ARM: EXYNOS: Use platform device name as power domain name
  ARM: EXYNOS: add support for async-bridge clocks for pm_domains
  ARM: omap-device: add missed callback for suspend-to-disk
  ...
 2015-04-22 09:08:39 -07:00
Linus Torvalds
d0440c59f5 ARM: SoC cleanups for v4.1 
We've got a fairly large cleanup branch this time. The bulk of this is removal
 of non-DT platforms of several flavors:
 
 - Atmel at91 platforms go full-DT, with removal of remaining board-file based
   support
 - OMAP removes legacy board files for three more platforms
 - Removal of non-DT mach-msm, newer Qualcomm platforms now live in mach-qcom
 - Freescale i.MX25 also removes non-DT platform support
 
 Most of the rest of the changes here are fallout from the above, i.e. for
 example removal of drivers that now lack platforms, etc.
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Merge tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC cleanups from Olof Johansson:
 "We've got a fairly large cleanup branch this time.  The bulk of this
  is removal of non-DT platforms of several flavors:

   - Atmel at91 platforms go full-DT, with removal of remaining
     board-file based support

   - OMAP removes legacy board files for three more platforms

   - removal of non-DT mach-msm, newer Qualcomm platforms now live in
     mach-qcom

   - Freescale i.MX25 also removes non-DT platform support"

Most of the rest of the changes here are fallout from the above, i.e. for
example removal of drivers that now lack platforms, etc.

* tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (58 commits)
  mmc: Remove msm_sdcc driver
  gpio: Remove gpio-msm-v1 driver
  ARM: Remove mach-msm and associated ARM architecture code
  ARM: shmobile: cpuidle: Remove the pointless default driver
  ARM: davinci: dm646x: Add interrupt resource for McASPs
  ARM: davinci: irqs: Correct McASP1 TX interrupt definition for DM646x
  ARM: davinci: dm646x: Clean up the McASP DMA resources
  ARM: davinci: devices-da8xx: Add support for McASP2 on da830
  ARM: davinci: devices-da8xx: Clean up and correct the McASP device creation
  ARM: davinci: devices-da8xx: Add interrupt resource to McASP structs
  ARM: davinci: devices-da8xx: Add resource name for the McASP DMA request
  ARM: OMAP2+: Remove legacy support for omap3 TouchBook
  ARM: OMAP3: Remove legacy support for devkit8000
  ARM: OMAP3: Remove legacy support for EMA-Tech Stalker board
  ARM: shmobile: Consolidate the pm code for R-Car Gen2
  ARM: shmobile: r8a7791: Correct SYSCIER value
  ARM: shmobile: r8a7790: Correct SYSCIER value
  ARM: at91: remove old setup
  ARM: at91: sama5d4: remove useless map_io
  ARM: at91: sama5 use SoC detection infrastructure
  ...
 2015-04-22 09:04:39 -07:00
Linus Torvalds
38eb1dbb0d ARM: SoC fixes for v4.1 
Here's the usual "low-priority fixes that didn't make it into the last
 few -rcs, with a twist: We had a fixes pull request that I didn't send
 in time to get into 4.0, so we'll send some of them to Greg for -stable as
 well.
 
 Contents here is as usual not all that controversial:
 
 - A handful of randconfig fixes from Arnd, in particular for older Samsung
   platforms
 - Exynos fixes, !SMP building, DTS updates for MMC and lid switch
 - Kbuild fix to create output subdirectory for DTB files
 - Misc minor fixes for OMAP
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "Here's the usual "low-priority fixes that didn't make it into the last
  few -rcs, with a twist: We had a fixes pull request that I didn't send
  in time to get into 4.0, so we'll send some of them to Greg for
  -stable as well.

  Contents here is as usual not all that controversial:

   - a handful of randconfig fixes from Arnd, in particular for older
     Samsung platforms

   - Exynos fixes, !SMP building, DTS updates for MMC and lid switch

   - Kbuild fix to create output subdirectory for DTB files

   - misc minor fixes for OMAP"

* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (23 commits)
  ARM: at91/dt: sama5d3 xplained: add phy address for macb1
  kbuild: Create directory for target DTB
  ARM: mvebu: Disable CPU Idle on Armada 38x
  ARM: DRA7: Enable Cortex A15 errata 798181
  ARM: dts: am57xx-beagle-x15: Add thermal map to include fan and tmp102
  ARM: dts: DRA7: Add bandgap and related thermal nodes
  bus: ocp2scp: SYNC2 value should be changed to 0x6
  ARM: dts: am4372: Add "ti,am437x-ocp2scp" as compatible string for OCP2SCP
  ARM: OMAP2+: remove superfluous NULL pointer check
  ARM: EXYNOS: Fix build breakage cpuidle on !SMP
  ARM: dts: fix lid and power pin-functions for exynos5250-spring
  ARM: dts: fix mmc node updates for exynos5250-spring
  ARM: OMAP4: remove dead kconfig option OMAP4_ERRATA_I688
  MAINTAINERS: add OMAP defconfigs under OMAP SUPPORT
  ARM: OMAP1: PM: fix some build warnings on 1510-only Kconfigs
  ARM: cns3xxx: don't export static symbol
  ARM: S3C24XX: avoid a Kconfig warning
  ARM: S3C24XX: fix header file inclusions
  ARM: S3C24XX: fix building without PM_SLEEP
  ARM: S3C24XX: use SAMSUNG_WAKEMASK for s3c2416
  ...
 2015-04-22 09:03:30 -07:00
Mathieu Olivari
cf79fb14d0 ARM: msm: add watchdog entries to DT timer binding doc 
The watchdog has been reworked to use the same DT node as the timer.
This change is updating the device tree doc accordingly.

Signed-off-by: Mathieu Olivari <mathieu@codeaurora.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
 2015-04-22 15:28:16 +02:00