Commit Graph

1893 Commits

Author SHA1 Message Date
Linus Torvalds
61f3d0a988 spi: Updates for v3.10
A fairly quiet release for SPI, mainly driver work.  A few highlights:
 
 - Supports bits per word compatibility checking in the core.
 - Allow use of the IP used in Freescale SPI controllers outside
   Freescale SoCs.
 - DMA support for the Atmel SPI driver.
 - New drivers for the BCM2835 and Tegra114.
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Merge tag 'spi-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi updates from Mark Brown:
 "A fairly quiet release for SPI, mainly driver work.  A few highlights:

   - Supports bits per word compatibility checking in the core.
   - Allow use of the IP used in Freescale SPI controllers outside
     Freescale SoCs.
   - DMA support for the Atmel SPI driver.
   - New drivers for the BCM2835 and Tegra114"

* tag 'spi-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (68 commits)
  spi-topcliff-pch: fix to use list_for_each_entry_safe() when delete list items
  spi-topcliff-pch: missing platform_driver_unregister() on error in pch_spi_init()
  ARM: dts: add pinctrl property for spi node for atmel SoC
  ARM: dts: add spi nodes for the atmel boards
  ARM: dts: add spi nodes for atmel SoC
  ARM: at91: add clocks for spi dt entries
  spi/spi-atmel: add dmaengine support
  spi/spi-atmel: add flag to controller data for lock operations
  spi/spi-atmel: add physical base address
  spi/sirf: fix MODULE_DEVICE_TABLE
  MAINTAINERS: Add git repository and update my address
  spi/s3c64xx: Check for errors in dmaengine prepare_transfer()
  spi/s3c64xx: Fix non-dmaengine usage
  spi: omap2-mcspi: fix error return code in omap2_mcspi_probe()
  spi/s3c64xx: let device core setup the default pin configuration
  MAINTAINERS: Update Grant's email address and maintainership
  spi: omap2-mcspi: Fix transfers if DMADEVICES is not set
  spi: s3c64xx: move to generic dmaengine API
  spi-gpio: init CS before spi_bitbang_setup()
  spi: spi-mpc512x-psc: let transmiter/receiver enabled when in xfer loop
  ...
2013-04-29 16:38:41 -07:00
Linus Torvalds
4f567cbc95 Char / Misc driver update for 3.10-rc1
Here's the big char / misc driver update for 3.10-rc1
 
 A number of various driver updates, the majority being new functionality
 in the MEI driver subsystem (it's now a subsystem, it started out just a
 single driver), extcon updates, memory updates, hyper-v updates, and a
 bunch of other small stuff that doesn't fit in any other tree.
 
 All of these have been in linux-next for a while
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc driver update from Greg Kroah-Hartman:
 "Here's the big char / misc driver update for 3.10-rc1

  A number of various driver updates, the majority being new
  functionality in the MEI driver subsystem (it's now a subsystem, it
  started out just a single driver), extcon updates, memory updates,
  hyper-v updates, and a bunch of other small stuff that doesn't fit in
  any other tree.

  All of these have been in linux-next for a while"

* tag 'char-misc-3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (148 commits)
  Tools: hv: Fix a checkpatch warning
  tools: hv: skip iso9660 mounts in hv_vss_daemon
  tools: hv: use FIFREEZE/FITHAW in hv_vss_daemon
  tools: hv: use getmntent in hv_vss_daemon
  Tools: hv: Fix a checkpatch warning
  tools: hv: fix checks for origin of netlink message in hv_vss_daemon
  Tools: hv: fix warnings in hv_vss_daemon
  misc: mark spear13xx-pcie-gadget as broken
  mei: fix krealloc() misuse in in mei_cl_irq_read_msg()
  mei: reduce flow control only for completed messages
  mei: reseting -> resetting
  mei: fix reading large reposnes
  mei: revamp mei_irq_read_client_message function
  mei: revamp mei_amthif_irq_read_message
  mei: revamp hbm state machine
  Revert "drivers/scsi: use module_pcmcia_driver() in pcmcia drivers"
  Revert "scsi: pcmcia: nsp_cs: remove module init/exit function prototypes"
  scsi: pcmcia: nsp_cs: remove module init/exit function prototypes
  mei: wd: fix line over 80 characters
  misc: tsl2550: Use dev_pm_ops
  ...
2013-04-29 11:18:34 -07:00
Linus Torvalds
000a74f41e These are the pinctrl changes for v3.10:
- Patrice Chotard contributed a new configuration debugfs interface
   and reintroduced fine-grained locking into the core: instead of
   having a "big pinctrl lock" we have a per-controller lock and
   specialized locks for the global controller and pinctrl handle
   lists.
 - Haoijan Zhuang deleted all the PXA and MMP2 pinctrl drivers and
   replaced them with pinctrl-single (which is also used by other SoCs)
   so we are gaining consolidation. The platform particulars now come
   in through the device tree.
 - Haoijan also added support for generic pin config into the
   pinctrl-single driver which is another big consolidation win.
 - Finally also GPIO ranges are now supported by the pinctrl-single
   driver.
 - Tomasz Figa contributed a new Samsung S3C pinctrl driver, bringing
   more of the older Samsung platforms under the pinctrl umbrella and
   out of arch/arm.
 - Maxime Ripard contributed new Allwinner A10/A13 drivers.
 - Sachin Kamat, Wei Yongjun and Axel Lin did a lot of cleanups.
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Merge tag 'pinctrl-for-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pinctrl update from Linus Walleij:
 "These are the pinctrl changes for v3.10:

   - Patrice Chotard contributed a new configuration debugfs interface
     and reintroduced fine-grained locking into the core: instead of
     having a "big pinctrl lock" we have a per-controller lock and
     specialized locks for the global controller and pinctrl handle
     lists.

   - Haoijan Zhuang deleted all the PXA and MMP2 pinctrl drivers and
     replaced them with pinctrl-single (which is also used by other
     SoCs) so we are gaining consolidation.  The platform particulars
     now come in through the device tree.

   - Haoijan also added support for generic pin config into the
     pinctrl-single driver which is another big consolidation win.

   - Finally also GPIO ranges are now supported by the pinctrl-single
     driver.

   - Tomasz Figa contributed a new Samsung S3C pinctrl driver, bringing
     more of the older Samsung platforms under the pinctrl umbrella and
     out of arch/arm.

   - Maxime Ripard contributed new Allwinner A10/A13 drivers.

   - Sachin Kamat, Wei Yongjun and Axel Lin did a lot of cleanups."

* tag 'pinctrl-for-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (66 commits)
  pinctrl: move subsystem mutex to pinctrl_dev struct
  pinctrl/pinconfig: fix misplaced goto
  pinctrl: s3c64xx: Fix build error caused by undefined chained_irq_enter
  pinctrl/pinconfig: add debug interface
  pinctrl: abx500: fix issue when no pdata
  pinctrl: pinctrl-single: add missing double quote
  pinctrl: sunxi: Rename wemac functions to emac
  pinctrl: exynos5440: add gpio interrupt support
  pinctrl: exynos5440: fix probe failure due to missing pin-list in config nodes
  pinctrl: ab8505: Staticize some symbols
  pinctrl: ab8540: Staticize some symbols
  pinctrl: ab9540: Staticize some symbols
  pinctrl: ab8500: Staticize some symbols
  pinctrl: abx500: Staticize some symbols
  pinctrl: Add pinctrl-s3c64xx driver
  pinctrl: samsung: Handle banks with two configuration registers
  pinctrl: samsung: Remove hardcoded register offsets
  pinctrl: samsung: Split pin bank description into two structures
  pinctrl: samsung: Include pinctrl-exynos driver data conditionally
  pinctrl: samsung: Protect bank registers with a spinlock
  ...
2013-04-29 09:40:35 -07:00
Tomi Valkeinen
9bf9d47a29 Merge branch '3.10/fb-mmap' into for-next
Merge topic branch to get vm_iomap_memory into use.

Conflicts:
	drivers/video/fbmon.c
2013-04-26 09:14:47 +03:00
Wenyou Yang
a68b728f7a ARM: dts: add pinctrl property for spi node for atmel SoC
Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Tested-by: Richard Genoud <richard.genoud@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-24 11:02:57 +01:00
Richard Genoud
b6811e9ab7 ARM: dts: add spi nodes for the atmel boards
Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
[wenyou.yang@atmel.com: added spi nodes for the sam9263ek, sam9g20ek, sam9m10g45ek and sam9n12ek boards]
[wenyou.yang@atmel.com: submit the patch]
Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-24 11:02:48 +01:00
Richard Genoud
d50f88a0c3 ARM: dts: add spi nodes for atmel SoC
Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
[wenyou.yang@atmel.com: add spi nodes for sam9260, sam9263, sam9g45 and sam9n12]
[wenyou.yang@atmel.com: remove spi property "cs-gpios" to the board dts files]
[wenyou.yang@atmel.com: submit the patch]
Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-24 11:02:44 +01:00
Greg Kroah-Hartman
2f093e2aa4 Merge 3.9-rc7 into char-misc-next
We want the fixes in there.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-04-14 18:21:35 -07:00
Arnd Bergmann
71bd98aff0 mvebu fixes for v3.9 round 3
- Kirkwood
     - a couple of small fixes for the Iomega ix2-200 board (ether and led)
  - mvebu
     - allow GPIO button to work on Mirabox when running SMP
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Merge tag 'mvebu_fixes_for_v3.9_round3' of git://git.infradead.org/users/jcooper/linux into fixes

From Jason Cooper <jason@lakedaemon.net>:

mvebu fixes for v3.9 round 3

 - Kirkwood
    - a couple of small fixes for the Iomega ix2-200 board (ether and led)
 - mvebu
    - allow GPIO button to work on Mirabox when running SMP

* tag 'mvebu_fixes_for_v3.9_round3' of git://git.infradead.org/users/jcooper/linux:
  arm: mvebu: Fix the irq map function in SMP mode
  Fix GE0/GE1 init on ix2-200 as GE0 has no PHY
  ARM: Kirkwood: Fix typo in the definition of ix2-200 rebuild LED

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2013-04-11 16:55:29 +02:00
Arnd Bergmann
0a01216c45 The imx fixes for 3.9, take 5:
* A couple imx35 clock fixes for regressions caused by common clock
   framework conversion.  The admux and iomux get disabled by common
   clock framework late initcall, and hence causes problems.
 * Add missing twd clock lookup in device tree.  This becomes required
   since commit bd60345 (ARM: use device tree to get smp_twd clock)
   forces all DT boot to find lookup from device tree.
 * Fix imx6q ldb_di clock parents mismatch per reference manual.
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Merge tag 'imx-fixes-3.9-5' of git://git.linaro.org/people/shawnguo/linux-2.6 into fixes

From Shawn Guo <shawn.guo@linaro.org>:

The imx fixes for 3.9, take 5:

* A couple imx35 clock fixes for regressions caused by common clock
  framework conversion.  The admux and iomux get disabled by common
  clock framework late initcall, and hence causes problems.
* Add missing twd clock lookup in device tree.  This becomes required
  since commit bd60345 (ARM: use device tree to get smp_twd clock)
  forces all DT boot to find lookup from device tree.
* Fix imx6q ldb_di clock parents mismatch per reference manual.

* tag 'imx-fixes-3.9-5' of git://git.linaro.org/people/shawnguo/linux-2.6: (217 commits)
  ARM i.MX6: Fix ldb_di clock selection
  ARM: imx: provide twd clock lookup from device tree
  ARM: imx35 Bugfix admux clock
  ARM: clk-imx35: Bugfix iomux clock

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2013-04-09 14:56:08 +02:00
Shawn Guo
2bb4b70b1d ARM: imx: provide twd clock lookup from device tree
While booting from device tree, imx6q used to provide twd clock lookup
by calling clk_register_clkdev() in clock driver.  However, the commit
bd60345 (ARM: use device tree to get smp_twd clock) forces DT boot to
look up the clock from device tree.  It causes the failure below when
twd driver tries to get the clock, and hence kernel has to calibrate the
local timer frequency.

 smp_twd: clock not found -2
 ...
 Calibrating local timer... 396.13MHz.

Fix the regression by providing twd clock lookup from device tree, and
remove the unused twd clk_register_clkdev() call from clock driver.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2013-04-09 19:46:31 +08:00
Arnd Bergmann
81211c4cc0 The mxs fixes for 3.9, take 4:
- A couple mxs boards that run I2C at 400 kHz experience some unstable
    issue occasionally.  Slow down the clock speed to have I2C work
    reliably.
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Merge tag 'mxs-fixes-3.9-4' of git://git.linaro.org/people/shawnguo/linux-2.6 into fixes

From Shawn Guo <shawn.guo@linaro.org>:

The mxs fixes for 3.9, take 4:
 - A couple mxs boards that run I2C at 400 kHz experience some unstable
   issue occasionally.  Slow down the clock speed to have I2C work
   reliably.

* tag 'mxs-fixes-3.9-4' of git://git.linaro.org/people/shawnguo/linux-2.6:
  ARM: mxs: Slow down the I2C clock speed

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2013-04-08 17:46:16 +02:00
Tony Prisk
7ab0a48420 video: fb: vt8500: Convert framebuffer drivers to standardized binding
Now that a display timing binding is available, convert our almost identical
binding to use the standard binding.

This patch converts the vt8500 and wm8505 framebuffer drivers and
associated dts/dtsi files to use the standard binding as defined in
bindings/video/display-timing.txt.

There are two side-effects of making this conversion:

1) The fb node should now be in the board file, rather than the soc file as
the display-timing node is a child of the fb node.

2) We still require a bits per pixel property to initialize the framebuffer
for the different lcd panels. Rather than including this as part of the
display timing, it is moved into the framebuffer node.

I have also taken the opportunity to alphabetise the includes of each
driver to avoid double-ups.

Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-04-04 13:07:34 +03:00
Linus Walleij
6a7b3e9704 Linux 3.9-rc5
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Merge tag 'v3.9-rc5' into devel

Linux 3.9-rc5

Conflicts:
	drivers/pinctrl/pinconf.c
2013-04-03 22:18:36 +02:00
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
Linus Torvalds
118c9a45fd arm-soc: bug fixes for 3.9-rc5
After a quiet set of fixes for 3.9-rc4, a lot of people woke up and sent
 urgent fixes for 3.9. I pushed back on a number of them that got
 deferred to 3.10, but these are the ones that seemed important.
 
 Regression in 3.9:
 
 - Multiple regressions in OMAP2+ clock cleanup
 - SH-Mobile frame buffer bug fix that merged here because of maintainer MIA
 - ux500 prcmu changes broke DT booting
 - MMCI duplicated regulator setup on ux500
 - New ux500 clock driver broke ethernet on snowball
 - Local interrupt driver for mvebu broke ethernet
 - MVEBU GPIO driver did not get set up right on Orion DT
 - incorrect interrupt number on Orion crypto for DT
 
 Long-standing bugs, including candidates for stable:
 
 - Kirkwood MMC needs to disable invalid card detect pins
 - MV SDIO pinmux was wrong on Mirabox
 - GoFlex Net board file needs to set NAND chip delay
 - MSM timer restart race
 - ep93xx early debug code broke in 3.7
 - i.MX CPU hotplug race
 - Incorrect clock setup for OMAP1 USB
 - Workaround for bad clock setup by some old OMAP4 boot loaders
 - Static I/O mappings on cns3xxx since 3.2
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Merge tag 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC bug fixes from Arnd Bergmann:
 "After a quiet set of fixes for 3.9-rc4, a lot of people woke up and
  sent urgent fixes for 3.9.  I pushed back on a number of them that got
  deferred to 3.10, but these are the ones that seemed important.

  Regression in 3.9:

   - Multiple regressions in OMAP2+ clock cleanup
   - SH-Mobile frame buffer bug fix that merged here because of
     maintainer MIA
   - ux500 prcmu changes broke DT booting
   - MMCI duplicated regulator setup on ux500
   - New ux500 clock driver broke ethernet on snowball
   - Local interrupt driver for mvebu broke ethernet
   - MVEBU GPIO driver did not get set up right on Orion DT
   - incorrect interrupt number on Orion crypto for DT

  Long-standing bugs, including candidates for stable:

   - Kirkwood MMC needs to disable invalid card detect pins
   - MV SDIO pinmux was wrong on Mirabox
   - GoFlex Net board file needs to set NAND chip delay
   - MSM timer restart race
   - ep93xx early debug code broke in 3.7
   - i.MX CPU hotplug race
   - Incorrect clock setup for OMAP1 USB
   - Workaround for bad clock setup by some old OMAP4 boot loaders
   - Static I/O mappings on cns3xxx since 3.2"

* tag 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: cns3xxx: fix mapping of private memory region
  arm: mvebu: Fix pinctrl for Armada 370 Mirabox SDIO port.
  arm: orion5x: correct IRQ used in dtsi for mv_cesa
  arm: orion5x: fix orion5x.dtsi gpio parameters
  ARM: Kirkwood: fix unused mvsdio gpio pins
  arm: mvebu: Use local interrupt only for the timer 0
  ARM: kirkwood: Fix chip-delay for GoFlex Net
  ARM: ux500: Enable the clock controlling Ethernet on Snowball
  ARM: ux500: Stop passing ios_handler() as an MMCI power controlling call-back
  ARM: ux500: Apply the TCPM and TCDM locations and sizes to dbx5x0 DT
  fbdev: sh_mobile_lcdc: fixup B side hsync adjust settings
  ARM: OMAP: clocks: Delay clk inits atleast until slab is initialized
  ARM: imx: fix sync issue between imx_cpu_die and imx_cpu_kill
  ARM: msm: Stop counting before reprogramming clockevent
  ARM: ep93xx: Fix wait for UART FIFO to be empty
  ARM: OMAP4: PM: fix PM regression introduced by recent clock cleanup
  ARM: OMAP3: hwmod data: keep MIDLEMODE in force-standby for musb
  ARM: OMAP4: clock data: lock USB DPLL on boot
  ARM: OMAP1: fix USB host on 1710
2013-04-02 08:35:03 -07:00
Greg Kroah-Hartman
974857266a Merge v3.9-rc5 into char-misc-next
This picks up the fixes in 3.9-rc5 that we need here.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-04-01 10:50:58 -07:00
Nigel Roberts
8f08d66672 ARM: Kirkwood: Fix typo in the definition of ix2-200 rebuild LED
In the conversion to pinctrl, an error in the pins for the rebuild
LED was introduced. This patch assigns the correct pins and includes
the correct name for the LED in kirkwood-iomega_ix2_200.dts.

Signed-off-by: Nigel Roberts <nigel@nobiscuit.com>
Cc: <stable@vger.kernel.org> # v3.8.x
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-04-01 15:55:18 +00:00
Arnd Bergmann
76a254f764 mvebu fixes for v3.9 (round 2)
- mvebu
     - interrupt fix
     - DT pinctrl definition for sdio
 
  - kirkwood
     - chip-delay for GoFlex Net (fix reading nand)
     - set mvsdio unused pins to invalid value for legacy boards (0 is valid)
 
  - orion5x
     - fix typo in gpio parameters
     - use correct irq in dtsi
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Merge tag 'mvebu_fixes_for_v3.9_round2' of git://git.infradead.org/users/jcooper/linux into fixes

From Jason Cooper <jason@lakedaemon.net>:

mvebu fixes for v3.9 (round 2)

 - mvebu
    - interrupt fix
    - DT pinctrl definition for sdio

 - kirkwood
    - chip-delay for GoFlex Net (fix reading nand)
    - set mvsdio unused pins to invalid value for legacy boards (0 is valid)

 - orion5x
    - fix typo in gpio parameters
    - use correct irq in dtsi

* tag 'mvebu_fixes_for_v3.9_round2' of git://git.infradead.org/users/jcooper/linux:
  arm: mvebu: Fix pinctrl for Armada 370 Mirabox SDIO port.
  arm: orion5x: correct IRQ used in dtsi for mv_cesa
  arm: orion5x: fix orion5x.dtsi gpio parameters
  ARM: Kirkwood: fix unused mvsdio gpio pins
  arm: mvebu: Use local interrupt only for the timer 0
  ARM: kirkwood: Fix chip-delay for GoFlex Net

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2013-03-29 00:04:23 +01:00
Ryan Press
879d68a445 arm: mvebu: Fix pinctrl for Armada 370 Mirabox SDIO port.
The previous configuration used the wrong "clk" pin.  Without this
change mv_sdio worked because the bootloader would set the pin up, but
with a bootloader that does not set the pin, mv_sdio fails to detect any
card.

I have tested this change using a mwifiex_sdio wireless network adapter
over the SDIO interface.

Signed-off-by: Ryan Press <ryan@presslab.us>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-03-28 17:29:23 +00:00
Alexander Clouter
e0656a9cbb arm: orion5x: correct IRQ used in dtsi for mv_cesa
The crypto functionality in the orion5x dtsi uses the Ethernet IRQ and
so things do not work and there is much grumbling at boot time.
The IRQ for the crypto should be 28, and not 22, and that is what this
patch corrects.

Signed-off-by: Alexander Clouter <alex@digriz.org.uk>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-03-28 17:22:10 +00:00
Alexander Clouter
835f6322c6 arm: orion5x: fix orion5x.dtsi gpio parameters
orion5x.dtsi is missing the gpio alias as well as including a typo
('ngpio' instead of 'ngpios') that prevented the orion-gpio driver
from loading.  Also missing were the interrupt-controller properties.
This patches resolves those glitches.

Signed-off-by: Alexander Clouter <alex@digriz.org.uk>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-03-28 17:21:20 +00:00
Eric Hutter
2992714d43 ARM: kirkwood: Fix chip-delay for GoFlex Net
This fixes "Too few good blocks within range" issues on GoFlex Net by setting
chip-delay to 40.

The basic problem was discussed at http://forum.doozan.com/read.php?2,7451

Signed-off-by: Eric Hutter <hutter.eric@gmail.com>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Cc: <stable@vger.kernel.org> # v3.6.x
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-03-28 16:19:22 +00:00
Arnd Bergmann
cba26c5ab9 Fixes boot regressions on Device Tree:
- Get TCPM and TCDM locations from the device tree
 - Skip passing the ios_handler for the MMCI
 - Enable the ethernet clock for Snowball
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Merge tag 'ux500-fixes-for-v3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson into fixes

From Linus Walleij <linus.walleij@stericsson.com>:

Fixes boot regressions on Device Tree:
- Get TCPM and TCDM locations from the device tree
- Skip passing the ios_handler for the MMCI
- Enable the ethernet clock for Snowball

* tag 'ux500-fixes-for-v3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson:
  ARM: ux500: Enable the clock controlling Ethernet on Snowball
  ARM: ux500: Stop passing ios_handler() as an MMCI power controlling call-back
  ARM: ux500: Apply the TCPM and TCDM locations and sizes to dbx5x0 DT

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2013-03-27 22:36:26 +01:00
Lee Jones
e73081d9af ARM: ux500: Apply the TCPM and TCDM locations and sizes to dbx5x0 DT
This fixes a regression introduced by commit:
  05ec260 mfd:db8500-prcmu: update resource passing

All DBx5x0 based SoCs have access to two Tightly Coupled Memory
(TCM) locations based on the PRCMU itself. One area from program
memory (TCPM) and one for data memory (TCDM). The PRCMU needs to
know where these are in order to function correctly. However,
these are currently passed though platform device resources, which
can only be obtained if Device Tree booting isn't in use. Thus we
must also support them in DT by supplying them through the PRCMU
node.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-27 20:19:55 +01:00
Greg Kroah-Hartman
e58b9a25ee ASoC/extcon: arizona: Fix interaction between HPDET and headphone outputs
This patch series covers both ASoC and extcon subsystems and fixes an
 interaction between the HPDET function and the headphone outputs - we
 really shouldn't run HPDET while the headphone is active.  The first
 patch is a refactoring to make the extcon side easier.
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Merge tag 'arizona-extcon-asoc' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/misc into char-misc-next

Mark writes:

	ASoC/extcon: arizona: Fix interaction between HPDET and headphone outputs

	This patch series covers both ASoC and extcon subsystems and fixes an
	interaction between the HPDET function and the headphone outputs - we
	really shouldn't run HPDET while the headphone is active.  The first
	patch is a refactoring to make the extcon side easier.
2013-03-26 09:19:02 -07:00
David Brown
97f00f7120 SSBI: Convert SSBI to device tree
The SSBI bus is exclusive to the Qualcomm MSM targets, and all SoCs
using it will be using device tree.  Convert this driver to indentify
with device tree.

This makes the bus probing a good bit simpler, since the attaching of
child nodes can be represented directly in the devicetree, rather than
having to be inferred by name.

Signed-off-by: David Brown <davidb@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-25 10:39:40 -07:00
Linus Torvalds
fb9bb1829d arm-soc: bug fixes for 3.9-rc4
Four patches for arm-soc this week:
 
 - Kevin Hilman is no longer reachable under his previous email address.
   He submitted the patch earlier, but nobody felt responsible to pick
   it up.
 
 - One Tegra fix for an incorect register address in device tree.
 
 - IMX multiplatform support exposes a configuration option that
   leads to unbootable kernels on all other machines and that needs
   to depend on that platform.
 
 - A nontrivial bug fix for the setup of the mxs video output.
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Merge tag 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC bug fixes from Arnd Bergmann:
 "Four patches for arm-soc this week:

   - Kevin Hilman is no longer reachable under his previous email
     address.  He submitted the patch earlier, but nobody felt
     responsible to pick it up.

   - One Tegra fix for an incorect register address in device tree.

   - IMX multiplatform support exposes a configuration option that leads
     to unbootable kernels on all other machines and that needs to
     depend on that platform.

   - A nontrivial bug fix for the setup of the mxs video output."

* tag 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  MAINTAINERS: update email address for Kevin Hilman
  ARM: tegra: fix register address of slink controller
  ARM: imx: add dependency check for DEBUG_IMX_UART_PORT
  ARM: video: mxs: Fix mxsfb misconfiguring VDCTRL0
2013-03-25 09:26:10 -07:00
Laxman Dewangan
57471c8d3c ARM: tegra: fix register address of slink controller
Fix typo on register address of slink3 controller where register
address is wrongly set as 0x7000d480 but it is 0x7000d800.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2013-03-22 21:30:16 +01:00
Linus Torvalds
1c6ba37b3d arm-soc: bug fixes for 3.9-rc3
Things are calming down for arm-soc as well. This set of bug fixes is
 dominated in size by the at91 platform bug fixes. Some of them were
 meant to go through the framebuffer tree during the merge window, but
 since the framebuffer maintainer could not be reached, I offered to
 take them here. The other notable at91 change is the addition of pinctrl
 definitions to fix the NAND controller.
 
 The rest are mostly simple regression fixes:
 
 * Our removal of VIRT_TO_BUS conflicted with Stephen Rothwell's
   renaming of the Kconfig symbol. You will get a trivial merge conflict
   here, we still want to remove it.
 * missing bits for clocks on imx and s5pv210
 * missing header inclusions in mmp and shmobile
 * typos in s5pv210 camera and vt8500 clock support code
 
 and three trivial fixes for pre-3.8 bugs:
 
 * an old bogus build warning in the joystick driver
 * a misleading Kconfig description
 * a NULL pointer check on davinci
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Merge tag 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC bug fixes from Arnd Bergmann:
 "Things are calming down for arm-soc as well.  This set of bug fixes is
  dominated in size by the at91 platform bug fixes.  Some of them were
  meant to go through the framebuffer tree during the merge window, but
  since the framebuffer maintainer could not be reached, I offered to
  take them here.  The other notable at91 change is the addition of
  pinctrl definitions to fix the NAND controller.

  The rest are mostly simple regression fixes:

   - Our removal of VIRT_TO_BUS conflicted with Stephen Rothwell's
     renaming of the Kconfig symbol.  You will get a trivial merge
     conflict here, we still want to remove it.
   - missing bits for clocks on imx and s5pv210
   - missing header inclusions in mmp and shmobile
   - typos in s5pv210 camera and vt8500 clock support code

  and three trivial fixes for pre-3.8 bugs:

   - an old bogus build warning in the joystick driver
   - a misleading Kconfig description
   - a NULL pointer check on davinci"

* tag 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: fix CONFIG_VIRT_TO_BUS handling
  ARM: i.MX35: enable MAX clock
  ARM: Scorpion is a v7 architecture, not v6
  ARM: mmp: add platform_device head file in gplugd
  input/joystick: use get_cycles on ARM
  [media] s5p-fimc: fix s5pv210 build
  clk: vt8500: Fix "fix device clock divisor calculations"
  ARM: i.MX25: Fix DT compilation
  ARM: at91: fix infinite loop in at91_irq_suspend/resume
  ARM: at91: add gpio suspend/resume support when using pinctrl
  ARM: at91: fix LCD-wiring mode
  atmel_lcdfb: fix 16-bpp modes on older SOCs
  ARM: at91: dt: at91sam9x5: complete NAND pinctrl
  ARM: at91: dt: at91sam9x5: correct NAND pins comments
  ARM: davinci: edma: fix dmaengine induced null pointer dereference on da830
  ARM: shmobile: marzen: Include mmc/host.h
  ARM: EXYNOS: Add #dma-cells for generic dma binding support for PL330
  ARM: S5PV210: Fix PL330 DMA controller clkdev entries
2013-03-18 08:17:14 -07:00
Linus Torvalds
de1893f640 This is the first batch of MFD fixes for 3.9.
With this one we have:
 
 - An ab8500 build failure fix.
 - An ab8500 device tree parsing fix.
 - A fix for twl4030_madc remove routine to work properly (when built-in).
 - A fix for properly registering palmas interrupt handler.
 - A fix for omap-usb init routine to actually write into the hostconfig
   register.
 - A couple of warning fixes for ab8500-gpadc and tps65912.
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Merge tag 'mfd-fixes-3.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-fixes

Pull MFD fixes from Samuel Ortiz:
 "This is the first batch of MFD fixes for 3.9.

  With this one we have:

   - An ab8500 build failure fix.
   - An ab8500 device tree parsing fix.
   - A fix for twl4030_madc remove routine to work properly (when
     built-in).
   - A fix for properly registering palmas interrupt handler.
   - A fix for omap-usb init routine to actually write into the
     hostconfig register.
   - A couple of warning fixes for ab8500-gpadc and tps65912"

* tag 'mfd-fixes-3.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-fixes:
  mfd: twl4030-madc: Remove __exit_p annotation
  mfd: ab8500: Kill "reg" property from binding
  mfd: ab8500-gpadc: Complain if we fail to enable vtvout LDO
  mfd: wm831x: Don't forward declare enum wm831x_auxadc
  mfd: twl4030-audio: Fix argument type for twl4030_audio_disable_resource()
  mfd: tps65912: Declare and use tps65912_irq_exit()
  mfd: palmas: Provide irq flags through DT/platform data
  mfd: Make AB8500_CORE select POWER_SUPPLY to fix build error
  mfd: omap-usb-host: Actually update hostconfig
2013-03-15 17:34:01 -07:00
Arnd Bergmann
a5e9902842 Merge branch 'v3.9-samsung-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into fixes
From Kukjin Kim <kgene.kim@samsung.com>:

* 'v3.9-samsung-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: EXYNOS: Add dma-cells for generic dma binding support for PL330
  ARM: S5PV210: Fix PL330 DMA controller clkdev entries

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2013-03-14 23:57:57 +01:00
Arnd Bergmann
7ac6c89189 Two patches for Device Tree on at91sam9x5/NAND.
Two more for fixing PM suspend/resume IRQ on AIC5 and
 GPIO used with pinctrl.
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Merge tag 'at91-fixes' of git://github.com/at91linux/linux-at91 into fixes

From Nicolas Ferre <nicolas.ferre@atmel.com>:

Two patches for Device Tree on at91sam9x5/NAND.
Two more for fixing PM suspend/resume IRQ on AIC5 and
GPIO used with pinctrl.

* tag 'at91-fixes' of git://github.com/at91linux/linux-at91:
  ARM: at91: fix infinite loop in at91_irq_suspend/resume
  ARM: at91: add gpio suspend/resume support when using pinctrl
  ARM: at91: dt: at91sam9x5: complete NAND pinctrl
  ARM: at91: dt: at91sam9x5: correct NAND pins comments

Includes an update to -rc2

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2013-03-14 23:55:59 +01:00
Richard Genoud
7f06472f1c ARM: at91: dt: at91sam9x5: complete NAND pinctrl
There was only chip enable and readdy/busy pins for the nand controller.
This add the rest of the pins.
pinctrl_nand_16bits contains the specific muxes for 16 bits NANDs.

Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2013-03-13 10:25:24 +01:00
Richard Genoud
f04feec250 ARM: at91: dt: at91sam9x5: correct NAND pins comments
Comments on NAND pins where inverted.

Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2013-03-13 10:25:07 +01:00
Linus Torvalds
6d9431a749 arm-soc fixes for 3.9-rc2
These bug fixes are for the largest part for mvebu/kirkwood, which
 saw a few regressions after the clock infrastructure was enabled,
 and for OMAP, which showed a few more preexisting bugs with
 the new multiplatform support.
 
 Other small fixes are for imx, mxs, tegra, spear and socfpga.
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Merge tag 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Arnd Bergmann:
 "These bug fixes are for the largest part for mvebu/kirkwood, which saw
  a few regressions after the clock infrastructure was enabled, and for
  OMAP, which showed a few more preexisting bugs with the new
  multiplatform support.

  Other small fixes are for imx, mxs, tegra, spear and socfpga"

* tag 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (37 commits)
  ARM: spear3xx: Use correct pl080 header file
  Arm: socfpga: pl330: Add #dma-cells for generic dma binding support
  ARM: multiplatform: Sort the max gpio numbers.
  ARM: imx: fix typo "DEBUG_IMX50_IMX53_UART"
  ARM: imx: pll1_sys should be an initial on clk
  arm: mach-orion5x: fix typo in compatible string of a .dts file
  arm: mvebu: fix address-cells in mpic DT node
  arm: plat-orion: fix address decoding when > 4GB is used
  arm: mvebu: Reduce reg-io-width with UARTs
  ARM: Dove: add RTC device node
  arm: mvebu: enable the USB ports on Armada 370 Reference Design board
  ARM: dove: drop "select COMMON_CLK_DOVE"
  rtc: rtc-mv: Add support for clk to avoid lockups
  gpio: mvebu: Add clk support to prevent lockup
  ARM: kirkwood: fix to retain gbe MAC addresses for DT kernels
  ARM: kirkwood: of_serial: fix clock gating by removing clock-frequency
  ARM: mxs: cfa10049: Fix fb initialisation function
  ARM: SPEAr13xx: Fix typo "ARCH_HAVE_CPUFREQ"
  ARM: OMAP: RX-51: add missing USB phy binding
  clk: Tegra: Remove duplicate smp_twd clock
  ...
2013-03-12 10:21:38 -07:00
Arnd Bergmann
d52701d39e mfd: ab8500: Kill "reg" property from binding
The ab8500 device is a child of the prcmu device, which is a memory mapped
bus device, whose children are addressable using physical memory addresses,
not using mailboxes, so a mailbox number in the ab8500 node cannot be
parsed by DT. Nothing uses this number, since it was only introduced
as part of the failed attempt to clean up prcmu mailbox handling, and
we can simply remove it.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2013-03-12 09:39:01 +01:00
Padmavathi Venna
0d8abbfd96 Arm: socfpga: pl330: Add #dma-cells for generic dma binding support
This patch adds #dma-cells property to PL330 DMA controller nodes for
supporting generic dma dt bindings on SOCFPGA platform. #dma-channels
and #dma-requests are not required now but added in advance.

Signed-off-by: Padmavathi Venna <padma.v@samsung.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2013-03-11 22:01:57 +01:00
Arnd Bergmann
7546152348 mvebu fixes for v3.9
The first four patches:
 
   89c58c1 rtc: rtc-mv: Add support for clk to avoid lockups
   de88747 gpio: mvebu: Add clk support to prevent lockup
   7bf5b40 ARM: kirkwood: fix to retain gbe MAC addresses for DT kernels
   93fff4c ARM: kirkwood: of_serial: fix clock gating by removing clock-frequency
 
 are Cc'd to stable since they were held over from the previous merge window.
 
 The rest are a small collection of fixes and a couple of devicetree conversion
 catchups.
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Merge tag 'mvebu_fixes_for_v3.9' of git://git.infradead.org/users/jcooper/linux into fixes

mvebu fixes for v3.9 from Jason Cooper <jason@lakedaemon.net>:

The first four patches:

  89c58c1 rtc: rtc-mv: Add support for clk to avoid lockups
  de88747 gpio: mvebu: Add clk support to prevent lockup
  7bf5b40 ARM: kirkwood: fix to retain gbe MAC addresses for DT kernels
  93fff4c ARM: kirkwood: of_serial: fix clock gating by removing clock-frequency

are Cc'd to stable since they were held over from the previous merge window.

The rest are a small collection of fixes and a couple of devicetree conversion
catchups.

* tag 'mvebu_fixes_for_v3.9' of git://git.infradead.org/users/jcooper/linux:
  arm: mach-orion5x: fix typo in compatible string of a .dts file
  arm: mvebu: fix address-cells in mpic DT node
  arm: plat-orion: fix address decoding when > 4GB is used
  arm: mvebu: Reduce reg-io-width with UARTs
  ARM: Dove: add RTC device node
  arm: mvebu: enable the USB ports on Armada 370 Reference Design board
  ARM: dove: drop "select COMMON_CLK_DOVE"
  rtc: rtc-mv: Add support for clk to avoid lockups
  gpio: mvebu: Add clk support to prevent lockup
  ARM: kirkwood: fix to retain gbe MAC addresses for DT kernels
  ARM: kirkwood: of_serial: fix clock gating by removing clock-frequency

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2013-03-11 21:55:40 +01:00
Thomas Petazzoni
b2d57222b0 arm: mach-orion5x: fix typo in compatible string of a .dts file
The orion5x-lacie-ethernet-disk-mini-v2.dts file was using
"marvell-orion5x-88f5182" as a compatible string, while it should have
been "marvell,orion5x-88f5182".

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-03-08 22:19:42 +00:00
Thomas Petazzoni
1b72b78fda arm: mvebu: fix address-cells in mpic DT node
There is no need to have a #address-cells property in the MPIC Device
Tree node, and more than that, having it confuses the of_irq_map_raw()
logic, which will be used by the Marvell PCIe driver.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-03-08 22:15:54 +00:00
Heikki Krogerus
e366154f70 arm: mvebu: Reduce reg-io-width with UARTs
Setting the reg-io-width to 1 byte represents more accurate
description of the HW.

This will fix an issue where UART driver causes kernel
panic during bootup. Gregory CLEMENT traced the issue to
autoconfig() in 8250.c, where the existence of FIFO is
checked from UART_IIR register. The register is now read as
32-bit value as the reg-io-width is set to 4-bytes. The
retuned value seems to contain bogus data for bits 31:8,
causing the issue.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Cc: Gregory CLEMENT <gregory.clement@free-electrons.com>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Tested-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Tested-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Tested-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-03-08 22:03:44 +00:00
Jean-Francois Moine
85c0c13dcd ARM: Dove: add RTC device node
The commit:

  48be9ac ARM: Dove: split legacy and DT setup

removed the RTC initialization.  This patch re-enables the RTC
via the DT.

Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-03-08 21:53:33 +00:00
Florian Fainelli
e822f75d84 arm: mvebu: enable the USB ports on Armada 370 Reference Design board
This patch modifies the Armada 370 Reference Design DTS file to enable
support for the two USB ports found on this board.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-03-08 21:44:30 +00:00
Andrew Lunn
89c58c198b rtc: rtc-mv: Add support for clk to avoid lockups
The Marvell RTC on Kirkwood makes use of the runit clock. Ensure the
driver clk_prepare_enable() this clock, otherwise there is a danger
the SoC will lockup when accessing RTC registers with the clock
disabled.

Reported-by: Simon Baatz <gmbnomis@gmail.com>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Simon Baatz <gmbnomis@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-03-08 21:34:41 +00:00
Andrew Lunn
de88747f51 gpio: mvebu: Add clk support to prevent lockup
The kirkwood SoC GPIO cores use the runit clock. Add code to
clk_prepare_enable() runit, otherwise there is a danger of locking up
the SoC by accessing the GPIO registers when runit clock is not
ticking.

Reported-by: Simon Baatz <gmbnomis@gmail.com>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Simon Baatz <gmbnomis@gmail.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-03-08 21:34:34 +00:00
Jason Cooper
93fff4ce19 ARM: kirkwood: of_serial: fix clock gating by removing clock-frequency
When DT support for kirkwood was first introduced, there was no clock
infrastructure.  As a result, we had to manually pass the
clock-frequency to the driver from the device node.

Unfortunately, on kirkwood, with minimal config or all module configs,
clock-frequency breaks booting because of_serial doesn't consume the
gate_clk when clock-frequency is defined.

The end result on kirkwood is that runit gets gated, and then the boot
fails when the kernel tries to write to the serial port.

Fix the issue by removing the clock-frequency parameter from all
kirkwood dts files.

Booted on dreamplug without earlyprintk and successfully logged in via
ttyS0.

Reported-by: Simon Baatz <gmbnomis@gmail.com>
Tested-by: Simon Baatz <gmbnomis@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-03-08 21:32:52 +00:00
Haojian Zhuang
86853c83e3 gpio: add gpio offset in gpio range cells property
Add gpio offset into "gpio-range-cells" property. It's used to support
sparse pinctrl range in gpio chip.

Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-07 05:27:29 +01:00
Padmavathi Venna
0a96d4d369 ARM: EXYNOS: Add #dma-cells for generic dma binding support for PL330
This patch adds #dma-cells property to PL330 DMA controller
nodes for supporting generic dma dt bindings on samsung exynos
platforms. #dma-channels and #dma-requests are not required now
but added in advance.

Signed-off-by: Padmavathi Venna <padma.v@samsung.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2013-03-07 10:33:07 +09:00
Jonathan Austin
b8083f86e8 ARM: 7666/1: decompressor: add -mno-single-pic-base for building the decompressor
Before jumping to (position independent) C-code from the decompressor's
assembler world we set-up the C environment. This setup currently does not
set r9, which for arm-none-uclinux-uclibceabi toolchains is by default
expected to be the PIC offset base register (IE should point to the
beginning of the GOT).

Currently, therefore, in order to build working kernels that use the
decompressor it is necessary to use an arm-linux-gnueabi toolchain, or
similar. uClinux toolchains cause a prefetch abort to occur at the beginning
of the decompress_kernel function.

This patch allows uClinux toolchains to build bootable zImages by forcing
the -mno-single-pic-base option, which ensures that the location of the GOT
is re-derived each time it is required, and r9 becomes free for use as a
general purpose register.

This has a small (4% in instruction terms) advantage over the alternative of
setting r9 to point to the GOT before calling into the C-world.

Signed-off-by: Jonathan Austin <jonathan.austin@arm.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2013-03-06 23:45:42 +00:00