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Commit Graph

1656 Commits

Author SHA1 Message Date
Wolfram Sang
93e9c90010 spi: spi-omap-uwire: replace platform_driver_probe to support deferred probing
Subsystems like pinctrl and gpio rightfully make use of deferred probing at
core level. Now, deferred drivers won't be retried if they don't have a .probe
function specified in the driver struct. Fix this driver to have that, so the
devices it supports won't get lost in a deferred probe.

Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
2013-10-09 12:07:50 +01:00
Wolfram Sang
75dab1bfbb spi: spi-au1550: replace platform_driver_probe to support deferred probing
Subsystems like pinctrl and gpio rightfully make use of deferred probing at
core level. Now, deferred drivers won't be retried if they don't have a .probe
function specified in the driver struct. Fix this driver to have that, so the
devices it supports won't get lost in a deferred probe.

Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
2013-10-09 11:59:03 +01:00
Martin Schwidefsky
0244ad004a Remove GENERIC_HARDIRQ config option
After the last architecture switched to generic hard irqs the config
options HAVE_GENERIC_HARDIRQS & GENERIC_HARDIRQS and the related code
for !CONFIG_GENERIC_HARDIRQS can be removed.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2013-09-13 15:09:52 +02:00
Linus Torvalds
dccfd1e439 ARM: SoC DT updates for 3.12
Device tree and bindings updates for 3.12.
 
 General additions of various on-chip and on-board peripherals on various
 platforms as support gets added. Some of the bigger changes are:
 
 - Addition of (new) PCI-e support on Tegra.
 - More Tegra4 support, including PMC configuration for Dalmore.
 - Addition of a new board for Exynos4 (trats2) and more bindings for 4x12 IP.
 - Addition of Allwinner A20 and A31 SoC and board files.
 - Move of the ST Ericsson device tree files to now use ste-* prefix.
 - More move of hardware description of shmobile platforms to DT.
 - Two new board dts files for Freescale MXs.
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Merge tag 'dt-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC DT updates from Olof Johansson:
 "Device tree and bindings updates for 3.12.

  General additions of various on-chip and on-board peripherals on
  various platforms as support gets added.  Some of the bigger changes
  are:

   - Addition of (new) PCI-e support on Tegra.
   - More Tegra4 support, including PMC configuration for Dalmore.
   - Addition of a new board for Exynos4 (trats2) and more bindings for
     4x12 IP.
   - Addition of Allwinner A20 and A31 SoC and board files.
   - Move of the ST Ericsson device tree files to now use ste-* prefix.
   - More move of hardware description of shmobile platforms to DT.
   - Two new board dts files for Freescale MXs"

* tag 'dt-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (177 commits)
  dts: Rename DW APB timer compatible strings
  dts: Deprecate ALTR as a vendor prefix
  of: add vendor prefix for Altera Corp.
  ARM: at91/dt: sam9x5ek: add sound configuration
  ARM: at91/dt: sam9x5ek: enable SSC
  ARM: at91/dt: sam9x5ek: add WM8731 codec
  ARM: at91/dt: sam9x5: add SSC DMA parameters
  ARM: at91/dt: add at91rm9200 PQFP package version
  ARM: at91: at91rm9200: set default mmc0 pinctrl-names
  ARM: at91: at91sam9n12: correct pin number of gpio-key
  ARM: at91: at91sam9n12: add qt1070 support
  ARM: at91: at91sam9n12: add pinctrl of TWI
  ARM: at91: Add PMU support for sama5d3
  ARM: at91: at91sam9260: add missing pinctrl-names on mmc
  ARM: tegra: configure power off for Dalmore
  ARM: DT: binding fixup to align with vendor-prefixes.txt (DT)
  ARM: dts: add sdio blocks to bcm28155-ap board
  ARM: dts: align sdio numbers to HW definition
  ARM: sun7i: Add Olimex A20-Olinuxino-Micro support
  ARM: sun7i: Add Allwinner A20 DTSI
  ...
2013-09-06 13:26:27 -07:00
Linus Torvalds
2e515bf096 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial tree from Jiri Kosina:
 "The usual trivial updates all over the tree -- mostly typo fixes and
  documentation updates"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (52 commits)
  doc: Documentation/cputopology.txt fix typo
  treewide: Convert retrun typos to return
  Fix comment typo for init_cma_reserved_pageblock
  Documentation/trace: Correcting and extending tracepoint documentation
  mm/hotplug: fix a typo in Documentation/memory-hotplug.txt
  power: Documentation: Update s2ram link
  doc: fix a typo in Documentation/00-INDEX
  Documentation/printk-formats.txt: No casts needed for u64/s64
  doc: Fix typo "is is" in Documentations
  treewide: Fix printks with 0x%#
  zram: doc fixes
  Documentation/kmemcheck: update kmemcheck documentation
  doc: documentation/hwspinlock.txt fix typo
  PM / Hibernate: add section for resume options
  doc: filesystems : Fix typo in Documentations/filesystems
  scsi/megaraid fixed several typos in comments
  ppc: init_32: Fix error typo "CONFIG_START_KERNEL"
  treewide: Add __GFP_NOWARN to k.alloc calls with v.alloc fallbacks
  page_isolation: Fix a comment typo in test_pages_isolated()
  doc: fix a typo about irq affinity
  ...
2013-09-06 09:36:28 -07:00
Linus Torvalds
27703bb4a6 PTR_RET() is a weird name, and led to some confusing usage. We ended
up with PTR_ERR_OR_ZERO(), and replacing or fixing all the usages.
 
 This has been sitting in linux-next for a whole cycle.
 
 Thanks,
 Rusty.
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Merge tag 'PTR_RET-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux

Pull PTR_RET() removal patches from Rusty Russell:
 "PTR_RET() is a weird name, and led to some confusing usage.  We ended
  up with PTR_ERR_OR_ZERO(), and replacing or fixing all the usages.

  This has been sitting in linux-next for a whole cycle"

[ There are still some PTR_RET users scattered about, with some of them
  possibly being new, but most of them existing in Rusty's tree too.  We
  have that

      #define PTR_RET(p) PTR_ERR_OR_ZERO(p)

  thing in <linux/err.h>, so they continue to work for now  - Linus ]

* tag 'PTR_RET-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux:
  GFS2: Replace PTR_RET with PTR_ERR_OR_ZERO
  Btrfs: volume: Replace PTR_RET with PTR_ERR_OR_ZERO
  drm/cma: Replace PTR_RET with PTR_ERR_OR_ZERO
  sh_veu: Replace PTR_RET with PTR_ERR_OR_ZERO
  dma-buf: Replace PTR_RET with PTR_ERR_OR_ZERO
  drivers/rtc: Replace PTR_RET with PTR_ERR_OR_ZERO
  mm/oom_kill: remove weird use of ERR_PTR()/PTR_ERR().
  staging/zcache: don't use PTR_RET().
  remoteproc: don't use PTR_RET().
  pinctrl: don't use PTR_RET().
  acpi: Replace weird use of PTR_RET.
  s390: Replace weird use of PTR_RET.
  PTR_RET is now PTR_ERR_OR_ZERO(): Replace most.
  PTR_RET is now PTR_ERR_OR_ZERO
2013-09-04 17:31:11 -07:00
Olof Johansson
56e9e0f3a3 Merge branch 'socfpga/dt' into next/dt
SoCFPGA DT changes from Dinh Nguyen.

* socfpga/dt:
  dts: Rename DW APB timer compatible strings
  dts: Deprecate ALTR as a vendor prefix
  of: add vendor prefix for Altera Corp.

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-09-03 10:20:06 -07:00
Mark Brown
5787392598 Merge remote-tracking branch 'spi/topic/txx9' into spi-next 2013-09-01 13:49:18 +01:00
Mark Brown
961722f57c Merge remote-tracking branch 'spi/topic/topcliff' into spi-next 2013-09-01 13:49:17 +01:00
Mark Brown
58737f127a Merge remote-tracking branch 'spi/topic/tel62x0' into spi-next 2013-09-01 13:49:14 +01:00
Mark Brown
e7c57cc124 Merge remote-tracking branch 'spi/topic/tegra' into spi-next 2013-09-01 13:49:13 +01:00
Mark Brown
a3e412dcf5 Merge remote-tracking branch 'spi/topic/sirf' into spi-next 2013-09-01 13:49:12 +01:00
Mark Brown
368ce0bca4 Merge remote-tracking branch 'spi/topic/sh-msiof' into spi-next 2013-09-01 13:49:11 +01:00
Mark Brown
874915ed4b Merge remote-tracking branch 'spi/topic/sh-hspi' into spi-next 2013-09-01 13:49:10 +01:00
Mark Brown
2dc745b6ef Merge remote-tracking branch 'spi/topic/s3c64xx' into spi-next 2013-09-01 13:49:09 +01:00
Mark Brown
121a39661b Merge remote-tracking branch 'spi/topic/rspi' into spi-next 2013-09-01 13:49:08 +01:00
Mark Brown
278ac33bbd Merge remote-tracking branch 'spi/topic/quad' into spi-next 2013-09-01 13:49:07 +01:00
Mark Brown
85cac43132 Merge remote-tracking branch 'spi/topic/qspi' into spi-next 2013-09-01 13:49:06 +01:00
Mark Brown
793b3cb6ac Merge remote-tracking branch 'spi/topic/pxa' into spi-next 2013-09-01 13:49:05 +01:00
Mark Brown
720ed2d130 Merge remote-tracking branch 'spi/topic/pl022' into spi-next 2013-09-01 13:49:04 +01:00
Mark Brown
68aa4cb337 Merge remote-tracking branch 'spi/topic/pdata' into spi-next 2013-09-01 13:49:03 +01:00
Mark Brown
11c28cfc1e Merge remote-tracking branch 'spi/topic/orion' into spi-next 2013-09-01 13:49:02 +01:00
Mark Brown
4374f332d9 Merge remote-tracking branch 'spi/topic/omap-100k' into spi-next 2013-09-01 13:49:01 +01:00
Mark Brown
45bb5065e1 Merge remote-tracking branch 'spi/topic/octeon' into spi-next 2013-09-01 13:49:00 +01:00
Mark Brown
455765f02e Merge remote-tracking branch 'spi/topic/nuc900' into spi-next 2013-09-01 13:48:59 +01:00
Mark Brown
7c2fde9b1a Merge remote-tracking branch 'spi/topic/mxs' into spi-next 2013-09-01 13:48:59 +01:00
Mark Brown
9020b75467 Merge remote-tracking branch 'spi/topic/msglen' into spi-next 2013-09-01 13:48:58 +01:00
Mark Brown
84c86edab3 Merge remote-tracking branch 'spi/topic/mpc512x' into spi-next 2013-09-01 13:48:57 +01:00
Mark Brown
4faad26c27 Merge remote-tracking branch 'spi/topic/ioremap' into spi-next 2013-09-01 13:48:56 +01:00
Mark Brown
8e37befc5c Merge remote-tracking branch 'spi/topic/imx' into spi-next 2013-09-01 13:48:55 +01:00
Mark Brown
497cb4473a Merge remote-tracking branch 'spi/topic/ep93xx' into spi-next 2013-09-01 13:48:54 +01:00
Mark Brown
afa8f0cd6c Merge remote-tracking branch 'spi/topic/efm32' into spi-next 2013-09-01 13:48:53 +01:00
Mark Brown
2f2613b028 Merge remote-tracking branch 'spi/topic/dspi' into spi-next 2013-09-01 13:48:52 +01:00
Mark Brown
b49247907d Merge remote-tracking branch 'spi/topic/davinci' into spi-next 2013-09-01 13:48:51 +01:00
Mark Brown
7e718b4bd2 Merge remote-tracking branch 'spi/topic/core' into spi-next 2013-09-01 13:48:50 +01:00
Mark Brown
1f54f94284 Merge remote-tracking branch 'spi/topic/clps711x' into spi-next 2013-09-01 13:48:49 +01:00
Mark Brown
db04e17055 Merge remote-tracking branch 'spi/topic/checks' into spi-next 2013-09-01 13:48:48 +01:00
Mark Brown
788a739676 Merge remote-tracking branch 'spi/topic/build' into spi-next 2013-09-01 13:48:47 +01:00
Mark Brown
f1632c3278 Merge remote-tracking branch 'spi/topic/blackfin-v3' into spi-next 2013-09-01 13:48:45 +01:00
Mark Brown
b29bc3df37 Merge remote-tracking branch 'spi/topic/bitbang' into spi-next 2013-09-01 13:48:44 +01:00
Mark Brown
c3dbe2b76a Merge remote-tracking branch 'spi/topic/bcm2835' into spi-next 2013-09-01 13:48:44 +01:00
Mark Brown
5264af0ca6 Merge remote-tracking branch 'spi/topic/atmel' into spi-next 2013-09-01 13:48:43 +01:00
Wei Yongjun
b6460366fb spi/qspi: fix missing unlock on error in ti_qspi_start_transfer_one()
Add the missing unlock before return from function ti_qspi_start_transfer_one()
in the error handling case.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Mark Brown <broonie@linaro.org>
2013-09-01 13:47:55 +01:00
wangyuhang
a110f93d8b spi: quad: fix the name of DT property
spi: quad: fix the name of DT property in patch

The previous property name spi-tx-nbits and spi-rx-nbits looks not
human-readable. To make it consistent with other devices, using property
name spi-tx-bus-width and spi-rx-bus-width instead of the previous one
specify the number of data wires that spi controller will work in.
Add the specification in spi-bus.txt.

Signed-off-by: wangyuhang <wangyuhang2014@gmail.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2013-09-01 13:45:14 +01:00
Axel Lin
e93b07244d spi: core: Fix spi_register_master error handling
In the case spi_master_initialize_queue() fails, current code calls
device_unregister() before return error from spi_register_master().
However, all the drivers call spi_master_put() in the error path if
spi_register_master() fails. Thus we should call device_del() rather than
device_unregister() before return error from spi_register_master().

This also makes all the spi_register_master() error handling consistent,
because all other error paths of spi_register_master() expect drivers to
call spi_master_put() if spi_register_master() fails.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2013-08-31 17:51:06 +01:00
Axel Lin
d8851a0d4f spi: efm32: Fix build error
Obviously the of_device_id table name is wrong.

Fix below build error:

  CC [M]  drivers/spi/spi-efm32.o
drivers/spi/spi-efm32.c:499:1: error: '__mod_of_device_table' aliased to undefined symbol 'efm32_uart_dt_ids'
make[2]: *** [drivers/spi/spi-efm32.o] Error 1
make[1]: *** [drivers/spi] Error 2
make: *** [drivers] Error 2

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2013-08-31 16:29:14 +01:00
Axel Lin
f073d37de0 spi: altera: Use DIV_ROUND_UP to calculate hw->bytes_per_word
The Altera SPI hardware can be configured to support data width from 1 to 32
since Quartus II 8.1. To avoid truncation by integer division, use DIV_ROUND_UP
to calculate hw->bytes_per_word.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Thomas Chou <thomas@wytron.com.tw>
Signed-off-by: Mark Brown <broonie@linaro.org>
2013-08-31 14:10:41 +01:00
Axel Lin
9d3405dbbb spi: rspi: Add spi_master_get() call to prevent use after free
In rspi_remove(), current code dereferences rspi after spi_unregister_master(),
thus add an extra spi_master_get() call is necessary to prevent use after free.

Current code already has an extra spi_master_put() call in rspi_remove(), so
this patch just adds a spi_master_get() call rather than a spi_master_get() with
spi_master_put() calls.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2013-08-31 12:58:53 +01:00
Mark Brown
a822e99c70 spi: quad: Make DT properties optional
The addition SPI quad support made the DT properties mandatory, breaking
compatibility with existing systems. Fix that by making them optional,
also improving the error messages while we're at it.

Signed-off-by: Mark Brown <broonie@linaro.org>
Tested-by: Stephen Warren <swarren@nvidia.com>
2013-08-31 01:31:40 +01:00
wangyuhang
d5ee722ab9 spi: quad: Fix missing return
Delete a "return" when commit the patch to a new kernel version
 by mistake. So recover it.

Signed-off-by: wangyuhang <wangyuhang2014@gmail.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2013-08-30 22:55:32 +01:00