Commit graph

376,031 commits

Author SHA1 Message Date
P J P
cfb185a148 f2fs: add NULL pointer check
Commit - fa9150a84c - replaces a call to generic_writepages() in
f2fs_write_data_pages() with write_cache_pages(), with a function pointer
argument pointing to routine: __f2fs_writepage.

  -> https://git.kernel.org/linus/fa9150a84ca333f68127097c4fa1eda4b3913a22

  This patch adds a NULL pointer check in f2fs_write_data_pages() to avoid
  a possible NULL pointer dereference, in case if - mapping->a_ops->writepage -
  is NULL.

Signed-off-by: P J P <ppandit@redhat.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
2013-04-03 17:27:52 +09:00
Jaegeuk Kim
b2f2c390c5 f2fs: fix the bitmap consistency of dirty segments
Like below, there are 8 segment bitmaps for SSR victim candidates.

enum dirty_type {
	DIRTY_HOT_DATA,		/* dirty segments assigned as hot data logs */
	DIRTY_WARM_DATA,	/* dirty segments assigned as warm data logs */
	DIRTY_COLD_DATA,	/* dirty segments assigned as cold data logs */
	DIRTY_HOT_NODE,		/* dirty segments assigned as hot node logs */
	DIRTY_WARM_NODE,	/* dirty segments assigned as warm node logs */
	DIRTY_COLD_NODE,	/* dirty segments assigned as cold node logs */
	DIRTY,			/* to count # of dirty segments */
	PRE,			/* to count # of entirely obsolete segments */
	NR_DIRTY_TYPE
};

The upper 6 bitmaps indicates segments dirtied by active log areas respectively.
And, the DIRTY bitmap integrates all the 6 bitmaps.

For example,
 o DIRTY_HOT_DATA : 1010000
 o DIRTY_WARM_DATA: 0100000
 o DIRTY_COLD_DATA: 0001000
 o DIRTY_HOT_NODE : 0000010
 o DIRTY_WARM_NODE: 0000001
 o DIRTY_COLD_NODE: 0000000
In this case,
 o DIRTY          : 1111011,

 which means that we should guarantee the consistency between DIRTY and other
 bitmaps concreately.

However, the SSR mode selects victims freely from any log types, which can set
multiple bits across the various bitmap types.

So, this patch eliminates this inconsistency.

Reviewed-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
2013-04-03 17:27:51 +09:00
Jaegeuk Kim
b74737541c f2fs: avoid race for summary information
In order to do GC more reliably, I'd like to lock the vicitm summary page
until its GC is completed, and also prevent any checkpoint process.

Reviewed-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
2013-04-03 17:27:51 +09:00
Jaegeuk Kim
60374688a1 f2fs: allocate remained free segments in the LFS mode
This patch adds a new condition that allocates free segments in the current
active section even if SSR is needed.
Otherwise, f2fs cannot allocate remained free segments in the section since
SSR finds dirty segments only.

Reviewed-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
2013-04-03 17:27:50 +09:00
Jaegeuk Kim
4ebefc4443 f2fs: check completion of foreground GC
The foreground GCs are triggered under not enough free sections.
So, we should not skip moving valid blocks in the victim segments.

Reviewed-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
2013-04-03 17:27:50 +09:00
Jaegeuk Kim
5ec4e49f9b f2fs: change GC bitmaps to apply the section granularity
This patch removes a bitmap for victim segments selected by foreground GC, and
modifies the other bitmap for victim segments selected by background GC.

1) foreground GC bitmap
 : We don't need to manage this, since we just only one previous victim section
   number instead of the whole victim history.
   The f2fs uses the victim section number in order not to allocate currently
   GC'ed section to current active logs.

2) background GC bitmap
 : This bitmap is used to avoid selecting victims repeatedly by background GCs.
   In addition, the victims are able to be selected by foreground GCs, since
   there is no need to read victim blocks during foreground GCs.

   By the fact that the foreground GC reclaims segments in a section unit, it'd
   be better to manage this bitmap based on the section granularity.

Reviewed-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
2013-04-03 17:27:49 +09:00
Jaegeuk Kim
33afa7fde0 f2fs: allocate new segment aligned with sections
When allocating a new segment under the LFS mode, we should keep the section
boundary.

Reviewed-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
2013-04-03 17:27:49 +09:00
Jaegeuk Kim
56ae674cc2 f2fs: remove redundant lock_page calls
In get_node_page, we do not need to call lock_page all the time.

If the node page is cached as uptodate,

1. grab_cache_page locks the page,
2. read_node_page unlocks the page, and
3. lock_page is called for further process.

Let's avoid this.

Reviewed-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
2013-04-03 17:27:42 +09:00
Sachin Kamat
f4362b1dd7 usb: phy: samsung: convert to devm_ioremap_resource()
Use the newly introduced devm_ioremap_resource() instead of
devm_request_and_ioremap() which provides more consistent error handling.

devm_ioremap_resource() provides its own error messages; so all explicit
error messages can be removed from the failure code paths.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-04-03 10:56:27 +03:00
Jaegeuk Kim
53cf95222f f2fs: introduce TOTAL_SECS macro
Let's use a macro to get the total number of sections.

Reviewed-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
2013-04-03 16:23:10 +09:00
Jaegeuk Kim
5c773ba33a f2fs: do not use duplicate names in a macro
A macro should not use duplicate parameter names.

Reviewed-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
2013-04-03 16:22:44 +09:00
Olof Johansson
16eaaee4d8 Third round of Renesas ARM SoC board updates for v3.10
Highlights:
 
 * Add Lager board support
 * Add ape6evm board support
 * Add Bock-W board support
 * Mackerel MMCIF/SDHI clean ups
 * Add ethernet support to kzm9g-reference
 
 This pull request is based on a merge of:
 
 git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas renesas-pinmux2-for-v3.10
 git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas renesas-boards2-for-v3.10
 
 The merge with renesas-pinmux2-for-v3.10 was made to provide
 run-time dependencies for the following changes:
 
 ARM: shmobile: APE6EVM LAN9220 support
 ARM: shmobile: APE6EVM PFC support
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Merge tag 'renesas-boards3-for-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/boards2

Third round of  Renesas ARM SoC board updates for v3.10

Highlights:

* Add Lager board support
* Add ape6evm board support
* Add Bock-W board support
* Mackerel MMCIF/SDHI clean ups
* Add ethernet support to kzm9g-reference

This pull request is based on a merge of:

git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas renesas-pinmux2-for-v3.10
git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas renesas-boards2-for-v3.10

The merge with renesas-pinmux2-for-v3.10 was made to provide
run-time dependencies for the following changes:

ARM: shmobile: APE6EVM LAN9220 support
ARM: shmobile: APE6EVM PFC support

* tag 'renesas-boards3-for-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: (307 commits)
  ARM: shmobile: mackerel: clean up MMCIF vs. SDHI1 selection
  ARM: shmobile: mackerel: add interrupt names for SDHI0
  ARM: shmobile: mackerel: switch SDHI and MMCIF interfaces to slot-gpio
  ARM: shmobile: mackerel: remove OCR masks, where regulators are used
  ARM: shmobile: mackerel: SDHI resources do not have to be numbered
  ARM: shmobile: Initial r8a7790 Lager board support
  ARM: shmobile: APE6EVM LAN9220 support
  ARM: shmobile: APE6EVM PFC support
  ARM: shmobile: APE6EVM base support
  ARM: shmobile: kzm9g-reference: add ethernet support
  ARM: shmobile: add R-Car M1A Bock-W platform support
  sh-pfc: r8a73a4: Remove unused GPIO bias data
  ARM: shmobile: r8a73a4: Remove all GPIO enums
  sh-pfc: r8a73a4: Remove function GPIOs
  ARM: shmobile: r8a73a4: Remove IRQC function GPIOs
  ARM: shmobile: r8a73a4: Remove SCIF function GPIOs
  sh-pfc: r8a73a4: Remove IRQC function GPIOS
  sh-pfc: r8a73a4: Remove SCIF function GPIOS
  sh-pfc: r8a73a4: Add IRQC pin groups and functions
  sh-pfc: r8a73a4: Add SCIF pin groups and functions
  ...

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-04-02 23:27:51 -07:00
Stephen Warren
d8d6aec6d5 ARM: bcm2835: defconfig updates
Enable the following new features:

* SPI controller driver.
* RNG driver.

Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
2013-04-03 00:24:11 -06:00
Lubomir Rintel
a1bf70828e ARM: bcm2835: add Broadcom BCM2835 RNG to the device tree
This adds a device tree binding for random number generator present on
Broadcom BCM2835 SoC, used in Raspberry Pi and Roku 2 devices.

Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Tested-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
2013-04-03 00:22:27 -06:00
Olof Johansson
e382328a81 Second round of Renesas ARM and SH based SoC pinmux updates for v3.10
Highlights:
 
 * Compilation fixes for sh7269 and for when CONFIG_BUG is not set
 * sh-pfc Support for r8a73a4 SoC
 * Move GPIOs handling from the PFC device to separate GPIO devices on the r8a7779 SoC
 
 This pull request is based on a merge of:
 git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas renesas-pinmux-for-v3.10
 git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas renesas-soc2-for-v3.10
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Merge tag 'renesas-pinmux2-for-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/soc2

Second round of Renesas ARM and SH based SoC pinmux updates for v3.10

Highlights:

* Compilation fixes for sh7269 and for when CONFIG_BUG is not set
* sh-pfc Support for r8a73a4 SoC
* Move GPIOs handling from the PFC device to separate GPIO devices on the r8a7779 SoC

This pull request is based on a merge of:
git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas renesas-pinmux-for-v3.10
git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas renesas-soc2-for-v3.10

* tag 'renesas-pinmux2-for-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: (185 commits)
  sh-pfc: r8a73a4: Remove unused GPIO bias data
  ARM: shmobile: r8a73a4: Remove all GPIO enums
  sh-pfc: r8a73a4: Remove function GPIOs
  ARM: shmobile: r8a73a4: Remove IRQC function GPIOs
  ARM: shmobile: r8a73a4: Remove SCIF function GPIOs
  sh-pfc: r8a73a4: Remove IRQC function GPIOS
  sh-pfc: r8a73a4: Remove SCIF function GPIOS
  sh-pfc: r8a73a4: Add IRQC pin groups and functions
  sh-pfc: r8a73a4: Add SCIF pin groups and functions
  sh-pfc: r8a73a4: Add bias (pull-up/down) pinconf support
  sh-pfc: r8a73a4: GPIO IRQ support
  sh-pfc: r8a73a4: Support sparse GPIO numbers
  sh-pfc: Add r8a73a4 pinmux support
  sh-pfc: r8a7779: Split DU input and output pixel clocks
  sh-pfc: r8a7779: Remove GPIO data
  ARM: shmobile: r8a7779: Register GPIO devices
  sh-pfc: Configure pins as GPIOs at request time when handled externally
  sh-pfc: Skip gpiochip registration when no GPIO resource is found
  sh-pfc: Make GPIO support optional
  sh-pfc: Make function GPIOs support optional
  ...

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-04-02 23:06:57 -07:00
Olof Johansson
2f7053e0ec Second round of Renesas ARM SoC updates for v3.10
Some Highlights:
 
 * Add r8a7790 SoC
 * Add r8a73a4 SoC
 * Migrate r8a7740 SoC from INTC to GIC
 * Add thermal driver support to r8a73a4 SoC
 * Add irqpin DT nodes to sh73a0 SoC
 * Add SCIF support to r8a7778 SoC
 
 This pull request is based on a merge of:
 git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas renesas-soc-for-v3.10
 git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas renesas-intc-external-irq2-for-v3.10
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Merge tag 'renesas-soc2-for-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/soc2

Second round of Renesas ARM SoC updates for v3.10

Some Highlights:

* Add r8a7790 SoC
* Add r8a73a4 SoC
* Migrate r8a7740 SoC from INTC to GIC
* Add thermal driver support to r8a73a4 SoC
* Add irqpin DT nodes to sh73a0 SoC
* Add SCIF support to r8a7778 SoC

This pull request is based on a merge of:
git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas renesas-soc-for-v3.10
git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas renesas-intc-external-irq2-for-v3.10

* tag 'renesas-soc2-for-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: (88 commits)
  ARM: shmobile: r8a7790 SoC 64-bit DT support
  ARM: shmobile: r8a73a4 SoC 64-bit DT support
  ARM: shmobile: r8a7790 PFC support
  ARM: shmobile: r8a7790 IRQC support
  ARM: shmobile: r8a7790 SCIF support
  ARM: shmobile: Initial r8a7790 SoC support
  ARM: shmobile: r8a7779: move global functions to r8a7779.h
  ARM: shmobile: r8a7740: move global functions to r8a7740.h
  ARM: shmobile: sh73a0: move global functions to sh73a0.h
  ARM: shmobile: sh7372: move global functions to sh7372.h
  ARM: shmobile: r8a7779: remove DIV4 clocks and use fixed ratio clock
  ARM: shmobile: r8a7740: use fixed ratio clock
  ARM: shmobile: r8a7740: tidyup comment/implementation mismatch
  ARM: shmobile: sh73a0: use fixed ratio clock
  ARM: shmobile: sh7372: use fixed ratio clock
  ARM: shmobile: add struct clk_ratio and fixed ratio clock macro
  ARM: shmobile: sh7372: remove DIV4_ZT* clocks
  ARM: shmobile: sh73a0: remove DIV4_ZT* clocks
  ARM: shmobile: sh73a0: add a TWD clock
  ARM: shmobile: r8a7740: Migrate from INTC to GIC
  ...

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-04-02 22:49:03 -07:00
David S. Miller
d662483264 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull net into net-next to get the synchronize_net() bug fix in
bonding.

Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-03 01:31:54 -04:00
Vishwanathrao Badarkhe, Manish
c3847a395b ARM: davinci: da850: add tps6507x regulator DT data
Add tps6507x regulator device tree data to da850-evm by
adding regulator consumers with tightened constraints
and regulator-name.TPS6507x regulator handle can be obtained
by using this regulator name.
Regulator constraints are added as per da850 board file.

Regulator names are given as per maximum output voltage the
regulator is capable to provide.
for e.g. regulator name for dcdc1 is "VDCDC1_3.3V".
Also, add tps6507x PMIC I2C slave device under I2C0 node.

Tested on da850-evm.

Signed-off-by: Vishwanathrao Badarkhe, Manish <manishv.b@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
2013-04-03 09:44:52 +05:30
Vishwanathrao Badarkhe, Manish
59638c1315 ARM: regulator: add tps6507x device tree data
Add device tree data for tps6507x regulator by adding
all tps6507x regulator nodes. Regulators are initialized
based on compatible name provided in tps6507x DT file.

All tps6507x PMIC regulator device tree nodes are placed
in a separate device tree include file (tps6507x.dtsi).
tps6507x.dtsi file is created using datasheet
http://www.ti.com/lit/ds/symlink/tps65070.pdf

Tested on da850-evm.

Signed-off-by: Vishwanathrao Badarkhe, Manish <manishv.b@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
2013-04-03 09:44:51 +05:30
Paul Bolle
93bd65150e ARM: davinci: remove test for undefined Kconfig macro
The DaVinci debugging macro contains a check for
CONFIG_DEBUG_DAVINCI_DA8XX_UART0. But there's no corresponding Kconfig
symbol, so this test will always evaluate to false. That Kconfig symbol
is not needed because, as __arch_decomp_setup() shows, there are no
DaVinci DA8XX boards that use UART0 for debugging. We can remove two
lines of unneeded code.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
2013-04-03 09:43:08 +05:30
Manjunathappa, Prakash
d7ca4c755a ARM: davinci: mmc: derive version information from device name
Remove specifying mmc controller IP version information via platform
data, instead specify device name so that driver derives it from
platform_device_id table. Also change the clock node name to match
the changed dev_id.
Tested on da850-evm to make sure driver loads without clk_get failures.

Signed-off-by: Manjunathappa, Prakash <prakash.pm@ti.com>
Reviewed-by: Sekhar Nori <nsekhar@ti.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Chris Ball <cjb@laptop.org>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
2013-04-03 09:42:16 +05:30
Ezequiel Garcia
fb20601a66 ARM: configs: Update mvebu defconfig for thermal
The thermal management driver for Armada XP/370 has been added
so we update the defconfig to reflect this.

Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-04-03 02:47:37 +00:00
Ezequiel Garcia
a10837ba09 ARM: mvebu: Add thermal support to Armada 370 device tree
This patch adds support for the thermal controller available in
all Armada 370 boards. This controller has two 4-byte registers:
one to read the thermal sensor, the other for sensor initialization.

Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-04-03 02:47:37 +00:00
Ezequiel Garcia
693a56eaf4 ARM: mvebu: Add thermal support to Armada XP device tree
This patch adds support for the thermal controller available in
all Armada XP boards. This controller has two 4-byte registers:
one to read the thermal sensor, the other for sensor initialization.

Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-04-03 02:47:36 +00:00
Fabio Estevam
e933a1a12a clocksource: mxs_timer: Add semicolon at end of line
Fix the following build error:

drivers/clocksource/mxs_timer.c:304:1: error: expected ',' or ';' at end of input

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2013-04-03 10:30:08 +08:00
Casey Schaufler
958d2c2f4a Smack: include magic.h in smackfs.c
As reported for linux-next: Tree for Apr 2 (smack)
Add the required include for smackfs.c

Signed-off-by: Casey Schaufler <casey@schaufler-ca.com>
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: James Morris <james.l.morris@oracle.com>
2013-04-03 13:13:51 +11:00
Linus Torvalds
da241efcd9 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) Fix VSOCK layer handling of context ID changes, from Reilly Grant.

 2) Now that we have a synchronize_net() in netdev_rx_handler_unregister(),
    we can't let any call sites hold locks.  Unfortunately bonding does,
    so we have to drop the rwlock there a little bit earlier, fix from
    Veaceslav Falico.

 3) MAC address setting loop exits one iteration too early in mlx4
    driver, from Yan Burman.

 4) Restore ipv6 routes properly upon ifdown/ifup of loopback, from
    Balakumaran Kannan.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
  VSOCK: Handle changes to the VMCI context ID.
  net IPv6 : Fix broken IPv6 routing table after loopback down-up
  cbq: incorrect processing of high limits
  net/mlx4_en: Fix setting initial MAC address
  bonding: get netdev_rx_handler_unregister out of locks
2013-04-02 18:58:01 -07:00
Linus Torvalds
6e8517a90b regmap: Fixes for v3.9
A small collection of fixes.  The most important ones are those from
 Stephen and Lars-Peter both of which fix cache issues that have been
 lurking for a while but not manifesting noticably enough for anyone to
 report them.
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Merge tag 'regmap-v3.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap

Pull regmap fixes from Mark Brown:
 "A small collection of fixes.  The most important ones are those from
  Stephen and Lars-Peter both of which fix cache issues that have been
  lurking for a while but not manifesting noticably enough for anyone to
  report them."

* tag 'regmap-v3.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
  regmap: async: Add missing return
  regmap: don't corrupt work buffer in _regmap_raw_write()
  regmap: cache Fix regcache-rbtree sync
  regmap: Initialize `map->debugfs' before regcache
2013-04-02 18:53:43 -07:00
Linus Torvalds
bd709bd027 Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Pull DRM fixes from Dave Airlie:
 "Two core fixes, both regressions, along with some intel and some
  nouveau fixes for regressions and oopses"

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  drm: correctly restore mappings if drm_open fails
  drm/nouveau: fix NULL ptr dereference from nv50_disp_intr()
  drm/nouveau: fix handling empty channel list in ioctl's
  drm: don't unlock in the addfb error paths
  drm/i915: Fix build failure
  drm/i915: Be sure to turn hsync/vsync back on at crt enable (v2)
  drm/i915: duct-tape locking when eDP init fails
2013-04-02 18:52:24 -07:00
Guennadi Liakhovetski
00ae962f80 ARM: shmobile: mackerel: clean up MMCIF vs. SDHI1 selection
MMCIF and SDHI1 share the same slot on mackerel. One of them is selected
by a jumper, which cannot be queried from software. Currently in software
one of the two interfaces is selected, depending whether or not the MMCIF
driver is enabled. This is not optimal, since the kernel has to be rebuilt
to switch from one interface to another. Still, so far there isn't a
better option. At least make this selection consistent.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-04-03 10:50:44 +09:00
Guennadi Liakhovetski
757688c8b5 ARM: shmobile: mackerel: add interrupt names for SDHI0
To unify with SDHI1 also use named IRQs for SDHI0. This also clarifies
which specific IRQs are used.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-04-03 10:50:44 +09:00
Guennadi Liakhovetski
fe0a14417b ARM: shmobile: mackerel: switch SDHI and MMCIF interfaces to slot-gpio
Both SDHI and MMCIF drivers can use the standard slot-gpio card-detection
functions. Switch mackerel to using them instead of platform callbacks.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-04-03 10:50:43 +09:00
Guennadi Liakhovetski
3f9efeecb4 ARM: shmobile: mackerel: remove OCR masks, where regulators are used
Both SDHI and MMCIF drivers ignore their OCR platform values, when
available voltages can be retrieved from regulators.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-04-03 10:50:43 +09:00
Guennadi Liakhovetski
fb7a89c4af ARM: shmobile: mackerel: SDHI resources do not have to be numbered
The SDHI driver doesn't care about platform resource order, explicit
resource numbering is redundant.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-04-03 10:50:43 +09:00
Magnus Damm
3cc828fdb3 ARM: shmobile: Initial r8a7790 Lager board support
Lager base board support making use of 2 GiB of memory,
the r8a7790 SoC with the SCIF0 serial port and CA15 with
ARM architected timer.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-04-03 10:50:43 +09:00
Magnus Damm
15351a7a22 ARM: shmobile: APE6EVM LAN9220 support
Add LAN9220 support to the APE6EVM board using C and DT.
At this point the PFC driver lacks DT bindings so to
configure the PFC we use PINCTRL in C board code.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-04-03 10:50:43 +09:00
Magnus Damm
2c56055c46 ARM: shmobile: APE6EVM PFC support
Start using the r8a73a4 PFC on the APE6EVM board
and configure the SCIFA0 console signals in the
PFC via PINCTRL.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-04-03 10:50:43 +09:00
Magnus Damm
78ded16886 ARM: shmobile: APE6EVM base support
V3 of APE6EVM base board support making use of
1 GiB of memory, the SCIFA0 serial port and
ARM architected timer.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-04-03 10:50:42 +09:00
Guennadi Liakhovetski
8c1de8ee03 ARM: shmobile: kzm9g-reference: add ethernet support
Add a DT node for the SMSC 9221 ethernet chip, found on kzm9g, to its
reference implementation.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-04-03 10:50:42 +09:00
Kuninori Morimoto
53e42c2974 ARM: shmobile: add R-Car M1A Bock-W platform support
Add basic Bock-W board support

More devices will be added on top of this patch after
PICNTRL and clock framework are in better shape.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-04-03 10:50:42 +09:00
Simon Horman
eb0ae72809 Second round of Renesas ARM and SH based SoC pinmux updates for v3.10
Highlights:
 
 * Compilation fixes for sh7269 and for when CONFIG_BUG is not set
 * sh-pfc Support for r8a73a4 SoC
 * Move GPIOs handling from the PFC device to separate GPIO devices on the r8a7779 SoC
 
 This pull request is based on a merge of:
 git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas renesas-pinmux-for-v3.10
 git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas renesas-soc2-for-v3.10
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Merge tag 'renesas-pinmux2-for-v3.10' into boards-base

Second round of Renesas ARM and SH based SoC pinmux updates for v3.10

Highlights:

* Compilation fixes for sh7269 and for when CONFIG_BUG is not set
* sh-pfc Support for r8a73a4 SoC
* Move GPIOs handling from the PFC device to separate GPIO devices on the r8a7779 SoC

This pull request is based on a merge of:
git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas renesas-pinmux-for-v3.10
git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas renesas-soc2-for-v3.10

This merge is made to supply run-time dependencies for the following
patches that will bea added on top:

ARM: shmobile: APE6EVM LAN9220 support
ARM: shmobile: APE6EVM PFC support
2013-04-03 10:49:18 +09:00
Linus Torvalds
aea7fab8ba Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Pull MIPS fixes from Ralf Baechle:
 "A collection of fixes pretty much across the MIPS code.  Even the
  change to include/linux/signal.h by David Howells' 2a1486981c ("Fix
  breakage in MIPS siginfo handling") should be considered MIPS-specific
  as it touches an ifdefed segment that is only relevant to MIPS and
  which unfortunately can't be made to go away entirely."

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
  Fix breakage in MIPS siginfo handling
  Revert "MIPS: BCM63XX: Call board_register_device from device_initcall()"
  MIPS: BCM63XX: Make nvram checksum failure non fatal
  MIPS: Fix code generation for non-DSP capable CPUs
  MIPS: Fix inconsistent formatting inside /proc/cpuinfo
  MIPS: SEAD3: Enable LL/SC.
  MIPS: Get rid of CONFIG_CPU_HAS_LLSC again
  MIPS: Add dependencies for HAVE_ARCH_TRANSPARENT_HUGEPAGE
  MIPS: VR4133: Fix probe for LL/SC.
  MIPS: Fix logic errors in bitops.c
  MIPS: Use CONFIG_CPU_MIPSR2 in csum_partial.S
  MIPS: compat: Return same error ENOSYS as native for invalid operation.
2013-04-02 18:47:23 -07:00
Marek Vasut
55985e15b8 ARM: mxs: Slow down the I2C clock speed
Slow down the I2C clock speed on M28 and SPS1 as it turns out the
I2C block in i.MX28 can not operate stable enough with the bus
running at 400kHz. Note that the driver used by Freescale runs
the bus at 250kHz when 400kHz speed is selected, but the mainline
Linux kernel runs the bus at actual 400kHz and that's where it is
occasionally unstable. Play safe and run the bus at 100kHz.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2013-04-03 09:34:01 +08:00
Olof Johansson
06b851e58b Merge branch 'lpc32xx/defconfig' of git://git.antcom.de/linux-2.6 into next/soc
* 'lpc32xx/defconfig' of git://git.antcom.de/linux-2.6: (604 commits)
  ARM: LPC32xx: defconfig update: Cleanup (EXPERIMENTAL)
  ARM: LPC32xx: defconfig update: Remove the museum NAND option
  ARM: LPC32xx: defconfig update: Default drivers and cleanup
  ARM: LPC32xx: defconfig update: gpio and keys
  + Linux 3.9-rc4

Signed-off-by: Olof Johansson <olof@lixom.net>

Conflicts:
	arch/arm/Kconfig
2013-04-02 18:33:58 -07:00
Magnus Damm
202ac6a21a sh-pfc: r8a73a4: Remove unused GPIO bias data
Remove unused pull-up/down data from the r8a73a4 PFC code.

Signed-off-by: Magnus Damm <damm@opensource.se>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-04-03 10:30:43 +09:00
Magnus Damm
17924ac1b9 ARM: shmobile: r8a73a4: Remove all GPIO enums
Function GPIOs are not used anymore, and all code use the GPIO numbers
directly. Remove the GPIOs enumeration.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-04-03 10:30:43 +09:00
Magnus Damm
3e36ab671c sh-pfc: r8a73a4: Remove function GPIOs
All r8a73a4 platforms use the pinctrl API to control pin functions.
Function GPIOs are no longer needed.

Signed-off-by: Magnus Damm <damm@opensource.se>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-04-03 10:30:42 +09:00
Magnus Damm
5260a7a363 ARM: shmobile: r8a73a4: Remove IRQC function GPIOs
Remove IRQ pin function GPIOs that have been deprecated by the pinctrl
API.

Signed-off-by: Magnus Damm <damm@opensource.se>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-04-03 10:30:42 +09:00
Magnus Damm
9fdec7b1fe ARM: shmobile: r8a73a4: Remove SCIF function GPIOs
Remove SCIF function GPIOs that have been deprecated by the pinctrl API.

Signed-off-by: Magnus Damm <damm@opensource.se>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-04-03 10:30:41 +09:00
Magnus Damm
f91663ff56 sh-pfc: r8a73a4: Remove IRQC function GPIOS
The r8a73a4 board support will use the pinctrl API to control the
external IRQ pins so remove the unused function GPIOS.

Signed-off-by: Magnus Damm <damm@opensource.se>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-04-03 10:30:41 +09:00