22415 Commits

Author SHA1 Message Date
Shaohua Li
45cac65b0f readahead: fault retry breaks mmap file read random detection
.fault now can retry.  The retry can break state machine of .fault.  In
filemap_fault, if page is miss, ra->mmap_miss is increased.  In the second
try, since the page is in page cache now, ra->mmap_miss is decreased.  And
these are done in one fault, so we can't detect random mmap file access.

Add a new flag to indicate .fault is tried once.  In the second try, skip
ra->mmap_miss decreasing.  The filemap_fault state machine is ok with it.

I only tested x86, didn't test other archs, but looks the change for other
archs is obvious, but who knows :)

Signed-off-by: Shaohua Li <shaohua.li@fusionio.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-10-09 16:22:47 +09:00
Michel Lespinasse
6b2dbba8b6 mm: replace vma prio_tree with an interval tree
Implement an interval tree as a replacement for the VMA prio_tree.  The
algorithms are similar to lib/interval_tree.c; however that code can't be
directly reused as the interval endpoints are not explicitly stored in the
VMA.  So instead, the common algorithm is moved into a template and the
details (node type, how to get interval endpoints from the node, etc) are
filled in using the C preprocessor.

Once the interval tree functions are available, using them as a
replacement to the VMA prio tree is a relatively simple, mechanical job.

Signed-off-by: Michel Lespinasse <walken@google.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Hillf Danton <dhillf@gmail.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-10-09 16:22:39 +09:00
Catalin Marinas
b69ec42b1b Kconfig: clean up the long arch list for the DEBUG_KMEMLEAK config option
Introduce HAVE_DEBUG_KMEMLEAK config option and select it in corresponding
architecture Kconfig files.  DEBUG_KMEMLEAK now only depends on
HAVE_DEBUG_KMEMLEAK.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Chris Metcalf <cmetcalf@tilera.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-10-09 16:22:14 +09:00
Catalin Marinas
af1839eb4b Kconfig: clean up the long arch list for the UID16 config option
Introduce HAVE_UID16 config option and select it in corresponding
architecture Kconfig files.  UID16 now only depends on HAVE_UID16.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Mike Frysinger <vapier@gentoo.org>
Cc: Mikael Starvik <starvik@axis.com>
Cc: Jesper Nilsson <jesper.nilsson@axis.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-10-09 16:22:13 +09:00
Fabio Estevam
3b4d6c8283 ARM: imx: clk-imx27: Fix divider width field
As per mx27 reference manual, H264DIV and SSI2DIV are 6-bit wide fields in
register PCDR0.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2012-10-09 09:13:03 +02:00
Paul Walmsley
e9332b6eed ARM: OMAP4/AM335x: hwmod: fix disable_module regression in hardreset handling
Commit eb05f691290e99ee0bd1672317d6add789523c1e ("ARM: OMAP: hwmod:
partially un-reset hwmods might not be properly enabled") added code
to skip the IP block disable sequence if all of the block's hardreset
lines weren't asserted.  But this did not handle the case when no
hardreset lines were associated with a module, which is the general
case.  In that situation, the IP block disable would be skipped.  This
is likely to cause PM regressions.

So, modify _omap4_disable_module() and _am33xx_disable_module() to
only bail out early if there are any hardreset lines asserted.  And
move the AM33xx test above the actual module disable code to ensure
that the behavior is consistent.

Reported-by: Archit Taneja <a0393947@ti.com>
Tested-by: Archit Taneja <a0393947@ti.com> # DSS
Cc: Omar Ramirez Luna <omar.luna@linaro.org>
Cc: Vaibhav Hiremath <hvaibhav@ti.com>
Acked-by: Vaibhav Hiremath <hvaibhav@ti.com>
Tested-by: Vaibhav Hiremath <hvaibhav@ti.com> # AM335x
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2012-10-08 23:08:15 -06:00
Jon Hunter
cf956d9f07 ARM: OMAP3: fix workaround for EMU clockdomain
Commit b71c721 (ARM: OMAP2+: clockdomain/hwmod: add workaround for EMU
clockdomain idle problems) added a workaround for the EMU clock domain on
OMAP3/4 devices to prevent the clock domain for transitioning while it is
in use.

In the proposed patch [1] code was added to the omap3xxx_clkdm_clk_enable()
and omap3xxx_clkdm_clk_disable() functions to check for the flag
CLKDM_MISSING_IDLE_REPORTING and perform the appropriate action. However, in the
merged patch it appears that this code was added to the omap2_clkdm_clk_enable()
and omap2_clkdm_clk_disable() functions by mistake.

[1] http://marc.info/?l=linux-arm-kernel&m=134383567112518&w=2

Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2012-10-08 22:39:07 -06:00
Vikram Narayanan
224cd7115a arm/omap: Replace board_ref_clock with enum values
Use the enum for board_ref_clock from linux/wl12xx.h

Signed-off-by: Vikram Narayanan <vikram186@gmail.com>
Cc: linux-omap@vger.kernel.org
Reviewed-by: Pankaj Jangra<jangra.pankaj9@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-10-08 18:09:30 -07:00
Wei Yongjun
09d986226e ARM: OMAP2+: remove duplicated include from board-omap3stalker.c
Remove duplicated include.

dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-10-08 18:09:30 -07:00
Peter Senna Tschudin
59c27953db arch/arm/plat-omap/omap-pm-noop.c: Remove unecessary semicolon
Found by http://coccinelle.lip6.fr/

Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-10-08 18:09:30 -07:00
Peter Senna Tschudin
c09fcc438c arch/arm/mach-omap2: Remove unecessary semicolon
Found by http://coccinelle.lip6.fr/

Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-10-08 18:09:30 -07:00
Peter Senna Tschudin
11eff2788a arch/arm/mach-omap1/devices.c: Remove unecessary semicolon
Found by http://coccinelle.lip6.fr/

Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-10-08 18:09:30 -07:00
Peter Ujfalusi
8bbacc55ba ARM/dts: omap5-evm: pinmux configuration for audio
u-boot stopped configuring 'non essential' pins recently. The kernel needs
to configure the mux for audio needs.
Since the pinmux for these IPs are static let pinctrl to handle the mux
configuration for.
Configuring the mux for: twl6040 (audpwron), McPDM, DMIC, McBSP1 and McBSP2.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-10-08 16:06:28 -07:00
Peter Ujfalusi
5da6a2d57a ARM/dts: Add pinctrl driver entries for omap5
These all use the generic pinctrl-single driver for the padconf registers.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-10-08 16:06:23 -07:00
Peter Ujfalusi
d0339b4b0a ARM/dts: omap4-panda: pinmux configuration for audio
u-boot stopped configuring 'non essential' pins recently. The kernel needs
to configure the mux for audio needs.
Since the pinmux for these IPs are static let pinctrl to handle the mux
configuration for.
Configuring the mux for: twl6040 (audpwron, irq), McPDM and McBSP1.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-10-08 16:06:19 -07:00
Peter Ujfalusi
08386febc7 ARM/dts: omap4-sdp: pinmux configuration for audio
u-boot stopped configuring 'non essential' pins recently. The kernel needs
to configure the mux for audio needs.
Since the pinmux for these IPs are static let pinctrl to handle the mux
configuration for.
Configuring the mux for: twl6040 (audpwron, irq), McPDM, DMIC, McBSP1 and
McBSP2.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-10-08 16:06:15 -07:00
Peter Ujfalusi
42601d587b ARM/dts: omap5-evm: Disable unused McBSP3
McBSP3 is not usable on OMAP4 SDP/Blaze (the pins used for McPDM).

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-10-08 16:06:11 -07:00
Peter Ujfalusi
6e65928130 ARM/dts: omap4-sdp: Disable unused McBSP3
McBSP3 is not usable on OMAP4 SDP/Blaze (the pins used for McPDM).

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-10-08 16:06:07 -07:00
Peter Ujfalusi
6badc636a7 ARM/dts: omap4-panda: Disable unused audio IPs
McBSP2, McBSP3 and DMIC is not usable on PandaBoard (not connected, no
external pins provided for them).

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-10-08 16:06:03 -07:00
Peter Ujfalusi
e13214df1e ARM: OMAP: board-omap4panda: Pin mux configuration for audio needs
u-boot stopped configuring 'non essential' pins recently. These pins are
essential for audio and need to be done to have working audio on the board.
Pin Mux configuration for: twl6040 audpwron gpio, McPDM, and McBSP1.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-10-08 16:05:56 -07:00
Peter Ujfalusi
e3a9ed75ab ARM: OMAP: board-4430-sdp: Pin mux configuration for audio needs
u-boot stopped configuring 'non essential' pins recently. These pins are
essential for audio and need to be done to have working audio on the board.
Pin Mux configuration for: twl6040 audpwron gpio, McPDM, DMIC, McBSP1 and
McBSP2.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-10-08 16:05:51 -07:00
Tony Lindgren
fce680e9fa OMAP PM related fixes for v3.7-rc
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Merge tag 'for_3.7-fixes-pm' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap-pm into omap-for-v3.7-rc1/fixes-pm

OMAP PM related fixes for v3.7-rc
2012-10-08 15:57:41 -07:00
Tony Lindgren
37fedb4c42 This series a couple bug fixes and a couple fixes that make this
driver support recently added OMAP-based SoCs.
 
 The 'get_cpu_device' patch is needed due to a change in the OMAP
 OMAP PM core code which enforces use of get_cpu_device() instead of
 a deprecated OMAP-specific API.
 
 The usage of plat/*.h headers breaks single zImage, so platforms are
 cleaning up and/or removing plat/*.h so the driver needs to be fixed
 accordingly.
 
 This series is based on the merge of Rafael's pm-for-3.7-rc1 tag into
 Linus' master branch: commit 16642a2e7be23bbda013fc32d8f6c68982eab603.
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Merge tag 'for_3.7-fixes-cpufreq' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap-pm into omap-for-v3.7-rc1/fixes-cpufreq

This series a couple bug fixes and a couple fixes that make this
driver support recently added OMAP-based SoCs.

The 'get_cpu_device' patch is needed due to a change in the OMAP
OMAP PM core code which enforces use of get_cpu_device() instead of
a deprecated OMAP-specific API.

The usage of plat/*.h headers breaks single zImage, so platforms are
cleaning up and/or removing plat/*.h so the driver needs to be fixed
accordingly.

This series is based on the merge of Rafael's pm-for-3.7-rc1 tag into
Linus' master branch: commit 16642a2e7be23bbda013fc32d8f6c68982eab603.
2012-10-08 15:54:14 -07:00
Raphael Assenat
b1a923d0a9 AM35xx: Add missing hwmod entry for the HDQ/1-Wire present in AM3505/3517 CPUs.
This patch adds a missing hwmod entry for the HDQ/1-Wire module present
in the AM3505/17 CPUs.

This restores 1-Wire support to our AM3505 boards. We think it probably
stopped working with commit 96b1b29d37b0ca3ecd424a1fe301406cf525fc04
ARM: OMAP2+: HDQ1W: use omap_device

Signed-off-by: Raphael Assenat <raph@8d.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-10-08 15:43:57 -07:00
Afzal Mohammed
61687c611a ARM: OMAP2+: gpmc: annotate exit sections properly
compiler complained,
`gpmc_remove' referenced in section `.data' of arch/arm/mach-omap2/built-in.o: defined in discarded section `.exit.text' of arch/arm/mach-omap2/built-in.o

Annotate gpmc_remove function and dependents with __devexit.

Reported-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Afzal Mohammed <afzal@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-10-08 15:43:57 -07:00
Wei Yongjun
533b298110 ARM: OMAP: fix return value check in realtime_counter_init()
In case of error, the function clk_get() returns ERR_PTR()
and never returns NULL. The NULL test in the return value
check should be replaced with IS_ERR().

dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-10-08 15:43:57 -07:00
Wei Yongjun
64de3a00a1 ARM: OMAP: hsmmc: fix return value check in omap_hsmmc_init_one()
In case of error, the function omap_device_alloc() returns ERR_PTR()
not NULL pointer. The NULL test in the return value check should
be replaced with IS_ERR().

dpatch engine is used to auto generated this patch.
(https://github.com/weiyj/dpatch)

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-10-08 15:43:57 -07:00
Wei Yongjun
9ee677231b OMAPDSS: fix return value check in create_dss_pdev()
In case of error, the function omap_device_alloc() returns ERR_PTR()
not NULL pointer. The NULL test in the return value check should
be replaced with IS_ERR().

dpatch engine is used to auto generated this patch.
(https://github.com/weiyj/dpatch)

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-10-08 15:43:57 -07:00
Vaibhav Hiremath
f0cfa981ce ARM: OMAP2+: Add am335x evm and bone targets to common Makefile
This adds am335x-evm and am335x-bone dtb targets to
'make dtbs', just like other platforms.

Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-10-08 15:43:57 -07:00
Yegor Yefremov
898f08e159 arm: increase FORCE_MAX_ZONEORDER for TI AM33XX
FORCE_MAX_ZONEORDER of 12 is needed to allocation more than 4MB
of consistent DMA memory (da8xx frame buffer driver).

Signed-off-by: Dejan Gacnik <dejan.gacnik@gmail.com>
Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-10-08 15:43:57 -07:00
Axel Lin
4f80681927 ARM: OMAP: OMAP_DEBUG_LEDS needs to select LEDS_CLASS
This fixes below build error when CONFIG_LEDS_CLASS is not set.

  LD      init/built-in.o
arch/arm/plat-omap/built-in.o: In function `fpga_probe':
arch/arm/plat-omap/debug-leds.c:113: undefined reference to `led_classdev_register'
make: *** [vmlinux] Error 1

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-10-08 15:19:32 -07:00
Linus Torvalds
f5a246eab9 Sound updates for 3.7-rc1
This contains pretty many small commits covering fairly large range of
 files in sound/ directory.  Partly because of additional API support
 and partly because of constantly developed ASoC and ARM stuff.
 
 Some highlights:
 
 - Introduced the helper function and documentation for exposing the
   channel map via control API, as discussed in Plumbers; most of PCI
   drivers are covered, will follow more drivers later
 
 - Most of drivers have been replaced with the new PM callbacks (if
   the bus is supported)
 
 - HD-audio controller got the support of runtime PM and the support of
   D3 clock-stop.  Also changing the power_save option in sysfs kicks
   off immediately to enable / disable the power-save mode.
 
 - Another significant code change in HD-audio is the rewrite of
   firmware loading code.  Other than that, most of changes in HD-audio
   are continued cleanups and standardization for the generic auto
   parser and bug fixes (HBR, device-specific fixups), in addition to
   the support of channel-map API.
 
 - Addition of ASoC bindings for the compressed API, used by the
   mid-x86 drivers.
 
 - Lots of cleanups and API refreshes for ASoC codec drivers and
   DaVinci.
 
 - Conversion of OMAP to dmaengine.
 
 - New machine driver for Wolfson Microelectronics Bells.
 
 - New CODEC driver for Wolfson Microelectronics WM0010.
 
 - Enhancements to the ux500 and wm2000 drivers
 
 - A new driver for DA9055 and the support for regulator bypass mode.
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Merge tag 'sound-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound updates from Takashi Iwai:
 "This contains pretty many small commits covering fairly large range of
  files in sound/ directory.  Partly because of additional API support
  and partly because of constantly developed ASoC and ARM stuff.

  Some highlights:

   - Introduced the helper function and documentation for exposing the
     channel map via control API, as discussed in Plumbers; most of PCI
     drivers are covered, will follow more drivers later

   - Most of drivers have been replaced with the new PM callbacks (if
     the bus is supported)

   - HD-audio controller got the support of runtime PM and the support
     of D3 clock-stop.  Also changing the power_save option in sysfs
     kicks off immediately to enable / disable the power-save mode.

   - Another significant code change in HD-audio is the rewrite of
     firmware loading code.  Other than that, most of changes in
     HD-audio are continued cleanups and standardization for the generic
     auto parser and bug fixes (HBR, device-specific fixups), in
     addition to the support of channel-map API.

   - Addition of ASoC bindings for the compressed API, used by the
     mid-x86 drivers.

   - Lots of cleanups and API refreshes for ASoC codec drivers and
     DaVinci.

   - Conversion of OMAP to dmaengine.

   - New machine driver for Wolfson Microelectronics Bells.

   - New CODEC driver for Wolfson Microelectronics WM0010.

   - Enhancements to the ux500 and wm2000 drivers

   - A new driver for DA9055 and the support for regulator bypass mode."

Fix up various arm soc header file reorg conflicts.

* tag 'sound-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (339 commits)
  ALSA: hda - Add new codec ALC283 ALC290 support
  ALSA: hda - avoid unneccesary indices on "Headphone Jack" controls
  ALSA: hda - fix indices on boost volume on Conexant
  ALSA: aloop - add locking to timer access
  ALSA: hda - Fix hang caused by race during suspend.
  sound: Remove unnecessary semicolon
  ALSA: hda/realtek - Fix detection of ALC271X codec
  ALSA: hda - Add inverted internal mic quirk for Lenovo IdeaPad U310
  ALSA: hda - make Realtek/Sigmatel/Conexant use the generic unsol event
  ALSA: hda - make a generic unsol event handler
  ASoC: codecs: Add DA9055 codec driver
  ASoC: eukrea-tlv320: Convert it to platform driver
  ALSA: ASoC: add DT bindings for CS4271
  ASoC: wm_hubs: Ensure volume updates are handled during class W startup
  ASoC: wm5110: Adding missing volume update bits
  ASoC: wm5110: Add OUT3R support
  ASoC: wm5110: Add AEC loopback support
  ASoC: wm5110: Rename EPOUT to HPOUT3
  ASoC: arizona: Add more clock rates
  ASoC: arizona: Add more DSP options for mixer input muxes
  ...
2012-10-09 07:07:14 +09:00
Kevin Hilman
24d7b40a60 ARM: OMAP2+: PM: MPU DVFS: use generic CPU device for MPU-SS
Currently, a dummy omap_device is created for the MPU sub-system so
that a device node exists for MPU DVFS.  Specifically, for the
association of MPU OPPs to a device node, and so that a voltage
regulator can be mapped to a device node.

For drivers to get a handle to this device node, an OMAP-specific API
has been used.  However, the kernel already has device nodes for the
CPU(s) in the system, so we can use those instead of an OMAP-specific
dummy device and then drivers (like OMAP CPUfreq) can use generic
APIs.

To use the existing CPU device nodes, modify the OPP creation and
regulator registration to use the CPU0 device node for registraion.

NOTE: this patch always uses CPU0 as the device node.  On all
      OMAPs today, MPU DVFS scales all CPUs together, so this will
      not be a problem, but this assumption will need to be changed
      if independently scalable CPUs are introduced.

Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
2012-10-08 14:59:04 -07:00
Shubhrajyoti D
12aee6c69f ARM: OMAP: rx51: Fix a section mismatch warn
rx51_si4713_dev is referenced only from rx51_init_si4713.
So the memory for rx51_si4713_dev can be safely freed after init.
Also it references rx51_si4713_board_info which is __initdata_or_module.

fixes the below warning.

WARNING: vmlinux.o(.data+0x30958): Section mismatch in reference from the variable rx51_si4713_dev to the (unknown reference) .init.data:(unknown)
The variable rx51_si4713_dev references
the (unknown reference) __initdata (unknown)
If the reference is valid then annotate the
variable with __init* or __refdata (see linux/init.h) or name the variable:
*_template, *_timer, *_sht, *_ops, *_probe, *_probe_one, *_console

Reported-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Shubhrajyoti D <shubhrajyoti@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-10-08 14:07:21 -07:00
R Sricharan
7a2852908e ARM: OMAP2+: Round of the carve out memory requested to section_size
memblock_steal tries to reserve physical memory during boot.
When the requested size is not aligned on the section size
then, the remaining memory available for lowmem becomes
unaligned on the section boundary. There is a issue with this,
which is discussed in the thread below.

https://lkml.org/lkml/2012/6/28/112

The final conclusion from the thread seems to
be align the memblock_steal calls on the SECTION boundary.
The issue comes out when LPAE is enabled, where the
section size is 2MB.

Boot tested this on OMAP5 evm with and without LPAE.

Signed-off-by: R Sricharan <r.sricharan@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-10-08 14:04:50 -07:00
Colin Cross
9d7d6e363b ARM: OMAP: counter: add locking to read_persistent_clock
read_persistent_clock uses a global variable, use a spinlock to
ensure non-atomic updates to the variable don't overlap and cause
time to move backwards.

Signed-off-by: Colin Cross <ccross@android.com>
Signed-off-by: R Sricharan <r.sricharan@ti.com>
Cc: stable@vger.kernel.org
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-10-08 14:01:12 -07:00
Wei Yongjun
e0654d0177 ARM: imx: fix the return value check in imx_clk_busy_divider()
In case of error, the function clk_register() returns ERR_PTR()
no NULL pointer. The NULL test in the return value check should
be replaced with IS_ERR().

dpatch engine is used to auto generated this patch.
(https://github.com/weiyj/dpatch)

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2012-10-08 12:56:20 +02:00
Marek Vasut
62885f59a2 MXS: Implement DMA support into mxs-i2c
This patch implements DMA support into mxs-i2c. DMA transfers are now enabled
via DT. The DMA operation is enabled by default.

Signed-off-by: Marek Vasut <marex@denx.de>
Tested-by: Fabio Estevam <fabio.estevam@freescale.com>

[wsa: rebased to 3.6-rc7]

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
2012-10-08 12:47:33 +02:00
Wolfram Sang
102084d3d3 Linux 3.6-rc7
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Merge tag 'v3.6-rc7' into i2c-embedded/for-next

Linux 3.6-rc7

Needed to get updates from i2c-embedded/for-current into i2c-embedded/for-next
2012-10-08 12:46:32 +02:00
Fabio Estevam
964a4da327 ARM: imx_v6_v7_defconfig: Enable CONFIG_GPIO_MC9S08DZ60
On mx35pdk board there is an 8-bit microcontroller that controls several IOs, such
as backlight enable pin, USB host VBUS, etc.

Let it build by default.

mx35pdk also needs CONFIG_LCD_PLATFORM to be selected to activate the display,
so also make this the default.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2012-10-08 11:28:19 +02:00
Wei Yongjun
1d10ecf837 ARM: imx: fix return value check in imx3_init_l2x0()
In case of error, the function ioremap() returns NULL
not ERR_PTR(). The IS_ERR() test in the return value
check should be replaced with NULL test.

dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2012-10-08 11:25:27 +02:00
Tony Prisk
096947fdab arm: vt8500: Fix build warning in uncompress.h
This removes a build-time warning in uncompress.h due to incorrectly
cast values being passed to readb/writeb.

Removed arm/io.h and readb/writeb. Read/write directly to the serial
port with a volatile pointer.

Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
Signed-off-by: Olof Johansson <olof@lixom.net>
2012-10-07 14:50:06 -07:00
Viresh Kumar
067bf748bd mmc: sdhci-spear: add device tree bindings
This adds simple DT bindings for SDHCI SPEAr controller. It uses cd-gpios
from common mmc bindings.

This also fixes spear300-evb.dts with correct name for card detect binding.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
2012-10-07 17:41:44 -04:00
Linus Torvalds
c0703c12ef IOMMU Updates for Linux v3.7-rc1
This time the IOMMU updates contain a bunch of fixes and cleanups to
 various IOMMU drivers and the DMA debug code. New features are the
 code for IRQ remapping support with the AMD IOMMU (preperation for that
 was already merged in the last release) and a debugfs interface to
 export some statistics in the NVidia Tegra IOMMU driver.
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Merge tag 'iommu-updates-v3.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull IOMMU updates from Joerg Roedel:
 "This time the IOMMU updates contain a bunch of fixes and cleanups to
  various IOMMU drivers and the DMA debug code.  New features are the
  code for IRQ remapping support with the AMD IOMMU (preperation for
  that was already merged in the last release) and a debugfs interface
  to export some statistics in the NVidia Tegra IOMMU driver."

* tag 'iommu-updates-v3.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (27 commits)
  iommu/amd: Remove obsolete comment line
  dma-debug: Remove local BUS_NOTIFY_UNBOUND_DRIVER define
  iommu/amd: Fix possible use after free in get_irq_table()
  iommu/amd: Report irq remapping through IOMMU-API
  iommu/amd: Print message to system log when irq remapping is enabled
  iommu/irq: Use amd_iommu_irq_ops if supported
  iommu/amd: Make sure irq remapping still works on dma init failure
  iommu/amd: Add initialization routines for AMD interrupt remapping
  iommu/amd: Add call-back routine for HPET MSI
  iommu/amd: Implement MSI routines for interrupt remapping
  iommu/amd: Add IOAPIC remapping routines
  iommu/amd: Add routines to manage irq remapping tables
  iommu/amd: Add IRTE invalidation routine
  iommu/amd: Make sure IOMMU is not considered to translate itself
  iommu/amd: Split device table initialization into irq and dma part
  iommu/amd: Check if IOAPIC information is correct
  iommu/amd: Allocate data structures to keep track of irq remapping tables
  iommu/amd: Add slab-cache for irq remapping tables
  iommu/amd: Keep track of HPET and IOAPIC device ids
  iommu/amd: Fix features reporting
  ...
2012-10-08 06:33:44 +09:00
Paul Walmsley
695f0117e7 ARM: OMAP: omap3evm: fix new sparse warning
Commit e54adb1e79762d3591459e5b0e9b9ff578e33fdb ("ARM: OMAP: omap3evm:
cleanup revision bits") adds a new sparse[1] warning:

arch/arm/mach-omap2/board-omap3evm.c:90:4: warning: symbol 'get_omap3_evm_rev' was not declared. Should it be static?

This symbol no longer appears to be used outside this file, so mark it
static and remove the export.

...

1. https://sparse.wiki.kernel.org/index.php/Main_Page

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Igor Grinberg <grinberg@compulab.co.il>
Cc: Tony Lindgren <tony@atomide.com>
2012-10-07 13:10:00 -06:00
Jon Hunter
3dc3401cfa ARM: OMAP2+: hwmod data: Fix PMU interrupt definitions
Commit 7d7e1eb (ARM: OMAP2+: Prepare for irqs.h removal) and commit ec2c082
(ARM: OMAP2+: Remove hardcoded IRQs and enable SPARSE_IRQ) updated the way
interrupts for OMAP2/3 devices are defined in the HWMOD data structures to
being an index plus a fixed offset (defined by OMAP_INTC_START). The definition
of the PMU interrupts on OMAP2/3 devices is missing the OMAP_INTC_START offset
and so this is causing the allocation of PMU interrupts to fail on OMAP2/3
devices. So add the offset to fix this.

This is patch is based upon Tony's master branch for OMAP.

Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2012-10-07 13:09:59 -06:00
Vaibhav Hiremath
2efd543993 ARM: am33xx: clk: Update clkdev table to add mcasp alias
After Rajendra's common-clock preparation series,
commit (a1978ef4da1 - ARM: omap: hwmod: get rid of
all omap_clk_get_by_name usage) the clkdev table need to
update with an entry for clocks used by hwmod to have
clock name same as the alias.

Without this, the clk_get() in omap_hwmod would fail.

Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2012-10-07 13:09:58 -06:00
Shawn Guo
6852826514 ARM: dts: remove redundant imx dtb targets from Makefile
We already have CONFIG_ARCH_MXC cover imx5 and imx6 dtb targets.
Remove the redundant ones with CONFIG_ARCH_IMX5 and CONFIG_SOC_IMX6Q.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
2012-10-07 07:28:54 -07:00
Olof Johansson
0b33162ec5 Merge branch 'late/fixes' into fixes
This is a series from Arnd that fixes a number of compiler warnings
when building defconfigs on ARM.

* late/fixes:
  ARM: footbridge: nw_gpio_lock is raw_spin_lock
  ARM: mv78xx0: correct addr_map_cfg __initdata annotation
  ARM: footbridge: remove RTC_IRQ definition
  ARM: soc: dependency warnings for errata
  ARM: ks8695: __arch_virt_to_dma type handling
  ARM: rpc: check device_register return code in ecard_probe
  ARM: davinci: don't mark da850_register_cpufreq as __init
  ARM: iop13xx: fix iq81340sc_atux_map_irq prototype
  ARM: iop13xx: mark iop13xx_scan_bus as __devinit
  ARM: mv78xx0: mark mv78xx0_timer_init as __init_refok
  ARM: s3c24xx: fix multiple section mismatch warnings
  ARM: at91: unused variable in at91_pm_verify_clocks
  ARM: at91: skip at91_io_desc definition for NOMMU
  ARM: pxa: work around duplicate definition of GPIO24_SSP1_SFRM
  ARM: pxa: remove sharpsl_fatal_check function
  ARM: pxa: define palmte2_pxa_keys conditionally
  ARM: pxa: Wunused-result warning in viper board file
  ARM: shark: fix shark_pci_init return code

Fixed trivial conflicts in arch/arm/mach-at91/setup.c.

Signed-off-by: Olof Johansson <olof@lixom.net>
2012-10-07 07:22:32 -07:00
Tony Prisk
a4ee7770c4 vt8500: Fix build warning when no framebuffer selected
Check for framebuffer defines before declaring variables in vt8500.c
Removes a compile-time warning about unused variables.

Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
Signed-off-by: Olof Johansson <olof@lixom.net>
2012-10-07 07:20:53 -07:00