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13 years agoMerge remote-tracking branch 'mips/mips-for-linux-next'
Stephen Rothwell [Wed, 5 Oct 2011 02:00:23 +0000 (13:00 +1100)]
Merge remote-tracking branch 'mips/mips-for-linux-next'

13 years agoMerge remote-tracking branch 'm68knommu/for-next'
Stephen Rothwell [Wed, 5 Oct 2011 01:59:04 +0000 (12:59 +1100)]
Merge remote-tracking branch 'm68knommu/for-next'

13 years agoMerge remote-tracking branch 'm68k/for-next'
Stephen Rothwell [Wed, 5 Oct 2011 01:57:51 +0000 (12:57 +1100)]
Merge remote-tracking branch 'm68k/for-next'

13 years agoMerge remote-tracking branch 'ia64/test'
Stephen Rothwell [Wed, 5 Oct 2011 01:56:38 +0000 (12:56 +1100)]
Merge remote-tracking branch 'ia64/test'

13 years agoMerge branch 'quilt/hexagon'
Stephen Rothwell [Wed, 5 Oct 2011 01:55:19 +0000 (12:55 +1100)]
Merge branch 'quilt/hexagon'

13 years agoMerge remote-tracking branch 'cris/for-next'
Stephen Rothwell [Wed, 5 Oct 2011 01:54:00 +0000 (12:54 +1100)]
Merge remote-tracking branch 'cris/for-next'

13 years agoMerge remote-tracking branch 'blackfin/for-linus'
Stephen Rothwell [Wed, 5 Oct 2011 01:52:46 +0000 (12:52 +1100)]
Merge remote-tracking branch 'blackfin/for-linus'

13 years agoMerge remote-tracking branch 's5p/for-next'
Stephen Rothwell [Wed, 5 Oct 2011 01:49:24 +0000 (12:49 +1100)]
Merge remote-tracking branch 's5p/for-next'

Conflicts:
drivers/gpio/Makefile

13 years agoMerge remote-tracking branch 'i.MX/for-next'
Stephen Rothwell [Wed, 5 Oct 2011 01:48:02 +0000 (12:48 +1100)]
Merge remote-tracking branch 'i.MX/for-next'

Conflicts:
arch/arm/mach-imx/Makefile

13 years agoMerge remote-tracking branch 'at91/at91-next'
Stephen Rothwell [Wed, 5 Oct 2011 01:46:44 +0000 (12:46 +1100)]
Merge remote-tracking branch 'at91/at91-next'

13 years agoMerge commit 'refs/next/20110930/arm-soc'
Stephen Rothwell [Wed, 5 Oct 2011 01:37:02 +0000 (12:37 +1100)]
Merge commit 'refs/next/20110930/arm-soc'

Conflicts:
Documentation/devicetree/bindings/arm/l2cc.txt
arch/arm/mach-at91/board-usb-a9260.c
arch/arm/mach-msm/board-msm8x60.c
arch/arm/mach-mxs/include/mach/gpio.h
arch/arm/mach-nuc93x/Makefile.boot
arch/arm/mach-tegra/board-paz00.h
arch/arm/mach-tegra/board-seaboard.h
arch/arm/mach-u300/Makefile.boot
arch/arm/mm/cache-l2x0.c
arch/arm/plat-mxc/include/mach/gpio.h

13 years agoMerge remote-tracking branch 'arm-lpae/for-next'
Stephen Rothwell [Wed, 5 Oct 2011 01:12:17 +0000 (12:12 +1100)]
Merge remote-tracking branch 'arm-lpae/for-next'

Conflicts:
arch/arm/include/asm/page.h
arch/arm/include/asm/pgalloc.h
arch/arm/include/asm/pgtable-hwdef.h
arch/arm/include/asm/pgtable.h
arch/arm/include/asm/tlb.h
arch/arm/kernel/head.S
arch/arm/kernel/sleep.S
arch/arm/mm/dma-mapping.c
arch/arm/mm/mmu.c

13 years agoMerge remote-tracking branch 'arm/for-next'
Stephen Rothwell [Wed, 5 Oct 2011 01:10:58 +0000 (12:10 +1100)]
Merge remote-tracking branch 'arm/for-next'

13 years agoMerge remote-tracking branch 'pci-current/for-linus'
Stephen Rothwell [Wed, 5 Oct 2011 01:09:35 +0000 (12:09 +1100)]
Merge remote-tracking branch 'pci-current/for-linus'

13 years agoMerge remote-tracking branch 'net-current/master'
Stephen Rothwell [Wed, 5 Oct 2011 01:09:34 +0000 (12:09 +1100)]
Merge remote-tracking branch 'net-current/master'

13 years agoMerge remote-tracking branch 'scsi-rc-fixes/master'
Stephen Rothwell [Wed, 5 Oct 2011 01:09:34 +0000 (12:09 +1100)]
Merge remote-tracking branch 'scsi-rc-fixes/master'

13 years agoMerge remote-tracking branch 'arm-current/fixes'
Stephen Rothwell [Wed, 5 Oct 2011 01:09:31 +0000 (12:09 +1100)]
Merge remote-tracking branch 'arm-current/fixes'

13 years agoMerge branch 'fix/asoc' of git://github.com/tiwai/sound
Linus Torvalds [Tue, 4 Oct 2011 16:59:22 +0000 (09:59 -0700)]
Merge branch 'fix/asoc' of git://github.com/tiwai/sound

* 'fix/asoc' of git://github.com/tiwai/sound:
  ASoC: omap_mcpdm_remove cannot be __devexit
  ASoC: Fix setting update bits for WM8753_LADC and WM8753_RADC
  ASoC: use a valid device for dev_err() in Zylonite

13 years agoMerge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Linus Torvalds [Tue, 4 Oct 2011 16:54:18 +0000 (09:54 -0700)]
Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  drm/radeon/kms: fix channel_remap setup (v2)
  drm/radeon: Set cursor x/y to 0 when x/yorigin > 0.
  drm/radeon: Update AVIVO cursor coordinate origin before x/yorigin calculation.
  drm/radeon: Simplify cursor x/yorigin calculation.
  drm/radeon/kms: fix cursor image off-by-one error
  drm/radeon/kms: Fix logic error in DP HPD handler
  drm/radeon/kms: add retry limits for native DP aux defer
  drm/radeon/kms: fix regression in DP aux defer handling

13 years agoMerge branch 'spi/merge' of git://git.secretlab.ca/git/linux-2.6
Linus Torvalds [Tue, 4 Oct 2011 16:52:56 +0000 (09:52 -0700)]
Merge branch 'spi/merge' of git://git.secretlab.ca/git/linux-2.6

* 'spi/merge' of git://git.secretlab.ca/git/linux-2.6:
  spi-topcliff-pch: Fix overrun issue
  spi-topcliff-pch: Add recovery processing in case FIFO overrun error occurs
  spi-topcliff-pch: Fix CPU read complete condition issue
  spi-topcliff-pch: Fix SSN Control issue
  spi-topcliff-pch: add tx-memory clear after complete transmitting

13 years agoPCI: Disable MPS configuration by default
Jon Mason [Mon, 3 Oct 2011 14:50:20 +0000 (09:50 -0500)]
PCI: Disable MPS configuration by default

Add the ability to disable PCI-E MPS turning and using the BIOS
configured MPS defaults.  Due to the number of issues recently
discovered on some x86 chipsets, make this the default behavior.

Also, add the option for peer to peer DMA MPS configuration.  Peer to
peer DMA is outside the scope of this patch, but MPS configuration could
prevent it from working by having the MPS on one root port different
than the MPS on another.  To work around this, simply make the system
wide MPS the smallest possible value (128B).

Signed-off-by: Jon Mason <mason@myri.com>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agodrm/radeon/kms: fix channel_remap setup (v2)
Alex Deucher [Tue, 4 Oct 2011 14:46:34 +0000 (10:46 -0400)]
drm/radeon/kms: fix channel_remap setup (v2)

Most asics just use the hw default value which requires
no explicit programming.  For those that need a different
value, the vbios will program it properly.  As such,
there's no need to program these registers explicitly
in the driver.  Changing MC_SHARED_CHREMAP requires a reload
of all data in vram otherwise its contents will be scambled.

Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=40103

v2: drop now unused channel_remap functions.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
13 years agospi-topcliff-pch: Fix overrun issue
Tomoya MORINAGA [Tue, 6 Sep 2011 08:16:38 +0000 (17:16 +0900)]
spi-topcliff-pch: Fix overrun issue

We found that adding load, Rx data sometimes drops.(with DMA transfer mode)
The cause is that before starting Rx-DMA processing, Tx-DMA processing starts.
This causes FIFO overrun occurs.

This patch fixes the issue by modifying FIFO tx-threshold and DMA descriptor
size like below.

                      Current                   this patch
Rx-descriptor   4Byte+12Byte*341    -->    12Byte*340-4Byte-12Byte
Rx-threshold                   (Not modified)
Tx-descriptor   4Byte+12Byte*341    -->    16Byte-12Byte*340
Rx-threshold    12Byte              -->    2Byte

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
13 years agospi-topcliff-pch: Add recovery processing in case FIFO overrun error occurs
Tomoya MORINAGA [Tue, 6 Sep 2011 08:16:37 +0000 (17:16 +0900)]
spi-topcliff-pch: Add recovery processing in case FIFO overrun error occurs

Add recovery processing in case FIFO overrun error occurs with DMA transfer mode.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
13 years agospi-topcliff-pch: Fix CPU read complete condition issue
Tomoya MORINAGA [Tue, 6 Sep 2011 08:16:36 +0000 (17:16 +0900)]
spi-topcliff-pch: Fix CPU read complete condition issue

We found Rx data sometimes drops.(with non-DMA transfer mode)
The cause is read complete condition is not true.

This patch fixes the issue.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
13 years agospi-topcliff-pch: Fix SSN Control issue
Tomoya MORINAGA [Tue, 6 Sep 2011 08:16:35 +0000 (17:16 +0900)]
spi-topcliff-pch: Fix SSN Control issue

During processing 1 command/data series,
SSN should keep LOW.
However, currently, SSN becomes HIGH.
This patch fixes the issue.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
13 years agospi-topcliff-pch: add tx-memory clear after complete transmitting
Tomoya MORINAGA [Tue, 6 Sep 2011 08:16:34 +0000 (17:16 +0900)]
spi-topcliff-pch: add tx-memory clear after complete transmitting

Currently, in case of reading date from SPI flash,
command is sent twice.
The cause is that tx-memory clear processing is missing .
This patch adds the tx-momory clear processing.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
13 years agoARM: S5P64X0: Add Power Management support
Abhilash Kesavan [Tue, 4 Oct 2011 11:30:22 +0000 (20:30 +0900)]
ARM: S5P64X0: Add Power Management support

Add suspend-to-ram support for SMDK6440/50

Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoARM: S5P: Make the sleep code common for S5P series SoCs
Abhilash Kesavan [Tue, 4 Oct 2011 11:25:51 +0000 (20:25 +0900)]
ARM: S5P: Make the sleep code common for S5P series SoCs

The sleep code for S5PV210 and EXYNOS4 are identical; moreover
S5p64X0 and S5PC100 for which support will be added soon can
use the same procedure. Create a common sleep code in the plat-s5p
directory so that it can be re-used.

Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoARM: S5P: Make the common S5P PM code conditionally compile
Abhilash Kesavan [Tue, 4 Oct 2011 11:25:51 +0000 (20:25 +0900)]
ARM: S5P: Make the common S5P PM code conditionally compile

Pave the way for adding PM support on S5P64X0, which is more similar
to the S3C64XX series than the S5P series. Hence, the common pm code
(containing dummy functions) should not be used for S5P64X0.

Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoMerge branch 'next-samsung-board-2' into next-samsung-devel-2
Kukjin Kim [Tue, 4 Oct 2011 11:20:21 +0000 (20:20 +0900)]
Merge branch 'next-samsung-board-2' into next-samsung-devel-2

13 years agoMerge branch 'next-samsung-cleanup-2' into next-samsung-devel-2
Kukjin Kim [Tue, 4 Oct 2011 11:20:08 +0000 (20:20 +0900)]
Merge branch 'next-samsung-cleanup-2' into next-samsung-devel-2

Conflicts:
arch/arm/plat-s5p/include/plat/pll.h

13 years agoMerge branch 'next-samsung-devel' into next-samsung-devel-2
Kukjin Kim [Tue, 4 Oct 2011 11:18:36 +0000 (20:18 +0900)]
Merge branch 'next-samsung-devel' into next-samsung-devel-2

Conflicts:
arch/arm/mach-exynos4/clock.c
arch/arm/mach-s3c2412/gpio.c
arch/arm/mach-s5p64x0/dma.c
arch/arm/mach-s5p64x0/gpiolib.c

13 years agoMerge branch 'next-samsung-board' into next-samsung-devel-2
Kukjin Kim [Tue, 4 Oct 2011 11:14:11 +0000 (20:14 +0900)]
Merge branch 'next-samsung-board' into next-samsung-devel-2

13 years agoMerge branch 'next-samsung-cleanup' into next-samsung-devel-2
Kukjin Kim [Tue, 4 Oct 2011 11:14:06 +0000 (20:14 +0900)]
Merge branch 'next-samsung-cleanup' into next-samsung-devel-2

13 years agoARM: SAMSUNG: Move S5P header files to plat-samsung
Kukjin Kim [Wed, 28 Sep 2011 12:06:52 +0000 (21:06 +0900)]
ARM: SAMSUNG: Move S5P header files to plat-samsung

This patch moves header files from plat-s5p to plat-samsung to
remove plat-s5p directory to make one plat-samsung directory
for Samsung SoCs.

Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoARM: SAMSUNG: Move S3C24XX header files to plat-samsung
Kukjin Kim [Wed, 28 Sep 2011 11:48:52 +0000 (20:48 +0900)]
ARM: SAMSUNG: Move S3C24XX header files to plat-samsung

This patch moves header files from plat-s3c24xx to plat-samsung to
remove plat-s3c24xx directory to make one plat-samsung directory for
Samsung SoCs. And this patch includes fixing coding style, too.

Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoARM: SAMSUNG: Moving each SoC support header files
Kukjin Kim [Sat, 10 Sep 2011 01:09:21 +0000 (10:09 +0900)]
ARM: SAMSUNG: Moving each SoC support header files

This patch moves SoC header files for supporting each SoCs to
plat-samsung directory. This is required to make one plat-
directory for Samsung SoCs.

Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoARM: SAMSUNG: Consolidate plat/pll.h
Kukjin Kim [Tue, 4 Oct 2011 10:41:43 +0000 (19:41 +0900)]
ARM: SAMSUNG: Consolidate plat/pll.h

Removed
- arch/arm/plat-s3c24xx/include/plat/pll.h
- arch/arm/mach-s3c64xx/include/mach/pll.h
- arch/arm/plat-s5p/include/plat/pll.h
- arch/arm/plat-samsung/include/plat/pll6553x.h

And created
- arch/arm/plat-samsung/include/plat/pll.h

Cc: Ben Dooks <ben-linux@fluff.org>
[kgene.kim@samsung.com: changed title]
[kgene.kim@samsung.com: fixed conflicts in plat-s5p/include/pll.h]
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoARM: SAMSUNG: Consolidate plat/pwm-clock.h
Kukjin Kim [Mon, 19 Sep 2011 23:44:38 +0000 (08:44 +0900)]
ARM: SAMSUNG: Consolidate plat/pwm-clock.h

Removed
 - arch/arm/plat-s3c24xx/include/mach/pwm-clock.h
 - arch/arm/mach-s3c64xx/include/mach/pwm-clock.h
 - arch/arm/mach-s5p64x0/include/mach/pwm-clock.h
 - arch/arm/mach-s5pc100/include/mach/pwm-clock.h
 - arch/arm/mach-s5pv210/include/mach/pwm-clock.h
 - arch/arm/mach-exynos4/include/mach/pwm-clock.h

And created
 - arch/arm/plat-samsung/include/plat/pwm-clock.h

Cc: Ben Dooks <ben-linux@fluff.org>
[kgene.kim@samsung.com: changed title]
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoARM: SAMSUNG: Cleanup mach/clkdev.h
Kukjin Kim [Mon, 19 Sep 2011 23:39:09 +0000 (08:39 +0900)]
ARM: SAMSUNG: Cleanup mach/clkdev.h

According to commit a3831cf ("ARM: Consolidate the
clkdev header files"), current mach/clkdev.h is no
needed in Samsung stuff.

Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoARM: SAMSUNG: remove sdhci default configuration setup platform helper
Thomas Abraham [Wed, 28 Sep 2011 01:59:34 +0000 (10:59 +0900)]
ARM: SAMSUNG: remove sdhci default configuration setup platform helper

The sdhci platform helper function that sets up the default controller
configuration is removed for all Samsung platforms since such default
controller configuration can be handled by the driver.

Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoARM: EXYNOS4: Add FIMC device on SMDKV310 board
Sachin Kamat [Wed, 28 Sep 2011 02:13:30 +0000 (11:13 +0900)]
ARM: EXYNOS4: Add FIMC device on SMDKV310 board

This patch adds definitions to enable support for s5p-fimc driver on
SMDKV310 board.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoARM: EXYNOS4: Add header file protection macros
Sachin Kamat [Wed, 28 Sep 2011 01:38:12 +0000 (10:38 +0900)]
ARM: EXYNOS4: Add header file protection macros

This patch adds header file protection macros to prevent duplication.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoARM: EXYNOS4: Add usb ehci device to the SMDKV310
Jingoo Han [Wed, 28 Sep 2011 01:33:25 +0000 (10:33 +0900)]
ARM: EXYNOS4: Add usb ehci device to the SMDKV310

This patch is to support usb ehci device to the SMDKV310 board.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoARM: S3C2443: Add hsspi-clock from pclk and rename S3C2443 hsspi sclk
Heiko Stuebner [Mon, 26 Sep 2011 23:45:23 +0000 (08:45 +0900)]
ARM: S3C2443: Add hsspi-clock from pclk and rename S3C2443 hsspi sclk

This clock is common to S3C2443/2416/2450.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoARM: S3C2416: Add HSSPI clock sourced from EPLL
Heiko Stuebner [Mon, 26 Sep 2011 23:45:09 +0000 (08:45 +0900)]
ARM: S3C2416: Add HSSPI clock sourced from EPLL

This clock is special to the S3C2416/2450 SoCs.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoARM: S3C2443: Define constant for HSSPI pclk
Heiko Stuebner [Mon, 26 Sep 2011 23:44:57 +0000 (08:44 +0900)]
ARM: S3C2443: Define constant for HSSPI pclk

It's the same clock for 2443/2416/2450.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoARM: S3C2443: Move i2s clock definitions to common code
Heiko Stuebner [Mon, 26 Sep 2011 23:44:37 +0000 (08:44 +0900)]
ARM: S3C2443: Move i2s clock definitions to common code

S3C2416/S3C2450 use the same clocks for their i2s blocks
and can therefore reuse the existing ones.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoARM: S5P6450: Add LCD-LTE480 and enable Framebuffer support
Ajay Kumar [Mon, 26 Sep 2011 22:53:20 +0000 (07:53 +0900)]
ARM: S5P6450: Add LCD-LTE480 and enable Framebuffer support

This patch:
-- Adds platform device support for LCD-LTE480.
-- Adds platform data for FB with win_mode and default_bpp.
-- Enables FB device support and platform-lcd support.
-- Adds SPCON settings for LCD.

Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoARM: S5P6440: Add LCD-LTE480 and enable Framebuffer support
Ajay Kumar [Mon, 26 Sep 2011 22:51:22 +0000 (07:51 +0900)]
ARM: S5P6440: Add LCD-LTE480 and enable Framebuffer support

This patch:
-- Adds platform device support for LCD-LTE480.
-- Adds platform data for FB with win_mode and default_bpp.
-- Enables FB device support and platform-lcd support.
-- Adds SPCON settings for LCD.

Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoARM: S5P64X0: Add GPIO setup for LCD
Ajay Kumar [Mon, 26 Sep 2011 22:46:57 +0000 (07:46 +0900)]
ARM: S5P64X0: Add GPIO setup for LCD

This patch adds GPIO lines settings(HSYNC, VSYNC, VCLK and VD) for LCD.

Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoARM: S5P64X0: Set s3c_device_fb name
Ajay Kumar [Mon, 26 Sep 2011 22:46:50 +0000 (07:46 +0900)]
ARM: S5P64X0: Set s3c_device_fb name

Set s3c_device_fb name as "s5p64x0-fb" for S5P6440 and S5P6450.

Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoARM: S5P64X0: Add register base and IRQ for Framebuffer
Ajay Kumar [Mon, 26 Sep 2011 22:46:45 +0000 (07:46 +0900)]
ARM: S5P64X0: Add register base and IRQ for Framebuffer

This patch adds:
-- Framebuffer related register mappings and bit fields.
-- IRQ number being used.

Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoARM: EXYNOS4: Add TVOUT support for SMDKV310
Hatim Ali [Mon, 26 Sep 2011 22:37:18 +0000 (07:37 +0900)]
ARM: EXYNOS4: Add TVOUT support for SMDKV310

Add support for TVOUT on SMDKV310 board.

Signed-off-by: Hatim Ali <hatim.rv@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoASoC: Flush Samsung DMA on free
Mark Brown [Mon, 26 Sep 2011 22:29:11 +0000 (07:29 +0900)]
ASoC: Flush Samsung DMA on free

Ever since it was written the Samsung DMA driver has had a TODO in the
hw_free() function wondering if we need to flush the DMA buffers. Up until
now the answer has been no but with the recent improvements Boojin has
done to the DMA infrastructure for the Samsung port the answer has changed
to yes for at least S3C6410 systems.

If we don't then when we next prepare() the channel the API will get
confused trying to run callbacks on the transfers hanging around from the
previous time the stream was open and oops.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Boojin Kim <boojin.kim@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoARM: EXYNOS4: Support suspend/resume for EXYNOS4212
Jongpill Lee [Mon, 26 Sep 2011 22:26:04 +0000 (07:26 +0900)]
ARM: EXYNOS4: Support suspend/resume for EXYNOS4212

Signed-off-by: Jongpill Lee <boyko.lee@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoARM: EXYNOS4: Add PMU register definition for EXYNOS4212
Jongpill Lee [Mon, 26 Sep 2011 22:24:58 +0000 (07:24 +0900)]
ARM: EXYNOS4: Add PMU register definition for EXYNOS4212

Signed-off-by: Jongpill Lee <boyko.lee@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoARM: EXYNOS4: Modify PMU register setting function
Jongpill Lee [Mon, 26 Sep 2011 22:22:11 +0000 (07:22 +0900)]
ARM: EXYNOS4: Modify PMU register setting function

This patch modifies PMU register setting function
to support the other EXYNOS4 SoCs.

Signed-off-by: Jongpill Lee <boyko.lee@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoARM: S5PV210: Add support for M-5MOLS image sensor on UNIVERSAL_C210
Sylwester Nawrocki [Mon, 26 Sep 2011 22:18:55 +0000 (07:18 +0900)]
ARM: S5PV210: Add support for M-5MOLS image sensor on UNIVERSAL_C210

Add voltage regulator definitions for M-5MOLS camera, platform data
definition for the sensor and MIPI-CSI receiver drivers.
Add CAM power domain dependencies for FIMC and CSIS devices.
Define required I2C0 bus timings. Setup camera port A GPIO.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoARM: S5PV210: Add support for NOON010PC30 sensor on GONI board
Sylwester Nawrocki [Mon, 26 Sep 2011 22:18:55 +0000 (07:18 +0900)]
ARM: S5PV210: Add support for NOON010PC30 sensor on GONI board

Add platform data for CIF camera sensor and FIMC platform data
entries for it. Add platform device for s5p-fimc media device
driver and the camera port A I/O pins initialization.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoARM: S5PV210: enable TV support on GONI board
Tomasz Stanislawski [Fri, 16 Sep 2011 09:48:52 +0000 (18:48 +0900)]
ARM: S5PV210: enable TV support on GONI board

This patch adds platform devices and regulators for TV devices on
Samsung Goni board.

Signed-off-by: Tomasz Stanislawski <t.stanislaws@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoARM: EXYNOS4: enable TV support on Universal_C210 board
Tomasz Stanislawski [Fri, 16 Sep 2011 09:48:32 +0000 (18:48 +0900)]
ARM: EXYNOS4: enable TV support on Universal_C210 board

This patch adds platform devices and regulators for TV devices on
Samsung Universal C210 board.

Signed-off-by: Tomasz Stanislawski <t.stanislaws@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoARM: S5P: add support for tv device
Tomasz Stanislawski [Mon, 19 Sep 2011 07:44:42 +0000 (16:44 +0900)]
ARM: S5P: add support for tv device

This patch adds all the resources for TV drivers and devices for Samsung
Exynos4 and S5PV210 platforms.

Signed-off-by: Tomasz Stanislawski <t.stanislaws@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
[m.szyprowski: squashed Exynos4 and S5PV210 patches and rewrote commit message]
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoARM: SAMSUNG: add i2c hdmiphy controller definitions
Tomasz Stanislawski [Fri, 16 Sep 2011 09:44:36 +0000 (18:44 +0900)]
ARM: SAMSUNG: add i2c hdmiphy controller definitions

This patch adds hdmiphy dedicated i2c controller definitions.

Signed-off-by: Tomasz Stanislawski <t.stanislaws@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
[m.szyprowski: renamed to i2c-hdmiphy and squashed Exynos4 and S5PV210 patches]
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoMerge branch 'next/topic-gpio-samsung' into next-samsung-devel
Kukjin Kim [Tue, 4 Oct 2011 09:57:43 +0000 (18:57 +0900)]
Merge branch 'next/topic-gpio-samsung' into next-samsung-devel

13 years agoMerge branch 'next/topic-dma-samsung' into next-samsung-devel
Kukjin Kim [Tue, 4 Oct 2011 09:57:38 +0000 (18:57 +0900)]
Merge branch 'next/topic-dma-samsung' into next-samsung-devel

13 years agoMerge branch 'next/topic-exynos4-devel' into next-samsung-devel
Kukjin Kim [Tue, 4 Oct 2011 09:57:34 +0000 (18:57 +0900)]
Merge branch 'next/topic-exynos4-devel' into next-samsung-devel

13 years agoMerge branch 'next/topic-s3c64xx-devel' into next-samsung-devel
Kukjin Kim [Tue, 4 Oct 2011 09:57:29 +0000 (18:57 +0900)]
Merge branch 'next/topic-s3c64xx-devel' into next-samsung-devel

13 years agoARM: EXYNOS4: Add support SMDK4412 Board
Changhwan Youn [Tue, 4 Oct 2011 08:09:26 +0000 (17:09 +0900)]
ARM: EXYNOS4: Add support SMDK4412 Board

SMDK4412 board is same as a SMDK4212 board except that
it has EXYNOS4412 SoC, thus it can share machine code
with SMDK4212.

This patch renames mach-smdk4212.c to mach-smdk4x12.c
to support both SMDK4212 and SMDK4412 board with one
machine file.

Signed-off-by: Changhwan Youn <chaos.youn@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoARM: EXYNOS4: Add MCT support for EXYNOS4412
Changhwan Youn [Tue, 4 Oct 2011 08:09:26 +0000 (17:09 +0900)]
ARM: EXYNOS4: Add MCT support for EXYNOS4412

Current MCT implementation only provide 2 event timers,
thus cannot support EXYNOS4412 which has 4 CPU cores.
This patch fixes MCT implementation to support SoCs
with 4 cores.

Signed-off-by: Changhwan Youn <chaos.youn@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoARM: EXYNOS4: Add functions for gic interrupt handling
Changhwan Youn [Tue, 4 Oct 2011 08:08:57 +0000 (17:08 +0900)]
ARM: EXYNOS4: Add functions for gic interrupt handling

This patch adds two functions for gic interrupt handling.
1. Add interrupt handling of 4 cores.
2. Dynamically set gic bank offset according to the type of soc.
   Gic bank offset of EXYNOS4412 is 0x4000 while the offset of
   EXYNOS4210 and EXYNOS4212 is 0x8000.

This patch is necessary because EXYNOS4 socs cannot support
GIC register banking as described in commit aab74d3e75364.

Signed-off-by: Changhwan Youn <chaos.youn@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoARM: EXYNOS4: Add support clock for EXYNOS4412
Changhwan Youn [Tue, 4 Oct 2011 08:08:56 +0000 (17:08 +0900)]
ARM: EXYNOS4: Add support clock for EXYNOS4412

This patch makes EXYNOS4412 use same clock code for
EXYNOS4212 because the clock hierarchy of both SoCs
are same.

Signed-off-by: Changhwan Youn <chaos.youn@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoARM: EXYNOS4: Add support new EXYNOS4412 SoC
Changhwan Youn [Tue, 4 Oct 2011 08:08:56 +0000 (17:08 +0900)]
ARM: EXYNOS4: Add support new EXYNOS4412 SoC

This patch adds Samsung EXYNOS4412 SoC support.
The EXYNOS4412 integrates a ARM Cortex A9 quad-core.

Signed-off-by: Changhwan Youn <chaos.youn@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoARM: EXYNOS4: Add support MCT PPI for EXYNOS4212
Changhwan Youn [Tue, 4 Oct 2011 08:02:58 +0000 (17:02 +0900)]
ARM: EXYNOS4: Add support MCT PPI for EXYNOS4212

This patch implements clock event timer using MCT PPI
and make EXYNOS4212 use MCT PPI instead of MCT SPI.

Signed-off-by: Changhwan Youn <chaos.youn@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoARM: EXYNOS4: Add support PPI in external GIC
Changhwan Youn [Tue, 4 Oct 2011 08:02:58 +0000 (17:02 +0900)]
ARM: EXYNOS4: Add support PPI in external GIC

To support PPI in external GIC of EXYNOS4 SoCs,
gic_arch_extn.irq_eoi, irq_unmask and irq_mask are
fixed. This patch is necessary because external GIC of EXYNOS4
cannot support register banking.

Signed-off-by: Changhwan Youn <chaos.youn@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoARM: EXYNOS4: convert boot_params to atag_offset
Tushar Behera [Mon, 19 Sep 2011 11:09:01 +0000 (20:09 +0900)]
ARM: EXYNOS4: convert boot_params to atag_offset

Based on "ARM: introduce atag_offset to replace boot_params"
by Nicolas Pitre (2bb9839e312ed55a6d5824ffa6077ce3d7d63b1e).

Since boot_params variable is deleted from machine_desc, the variable
is modified in the newer board files.

Cc: Nicolas Pitre <nicolas.pitre@linaro.org>
Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
[kgene.kim@samsung.com: added fixing for smdkv310]
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agogpio/samsung: correct pin configuration for S5PC100/S5PC110/EXYNOS4
Marek Szyprowski [Mon, 26 Sep 2011 04:10:32 +0000 (13:10 +0900)]
gpio/samsung: correct pin configuration for S5PC100/S5PC110/EXYNOS4

Commit 1b39d5f2cc introduced new common gpio driver for all Samsung GPIO
SoCs. The new driver use wrong configuration setup for all gpio pins on
S5PC100 and S5PV210 SoCs and external interrupt lines on Exynos4 SoCs.
This patch fixes this issue.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agogpio/samsung: fix GPIO interrupt registration for EXYNOS4 SoCs
Marek Szyprowski [Mon, 26 Sep 2011 04:09:08 +0000 (13:09 +0900)]
gpio/samsung: fix GPIO interrupt registration for EXYNOS4 SoCs

Commit 1b39d5f2cc introduced new common gpio driver for all Samsung GPIO
SoCs. The new driver doesn't correctly register GPIO interrupts on
Samsung Exynos4 SoCs. This is caused by a typo in define name. This
patch fixes this issue.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agogpio/samsung: fix broken configuration for EXYNOS4 GPIO banks
Marek Szyprowski [Mon, 26 Sep 2011 04:06:57 +0000 (13:06 +0900)]
gpio/samsung: fix broken configuration for EXYNOS4 GPIO banks

Commit 1b39d5f2cc introduced new common gpio driver for all Samsung GPIO
SoCs. The new driver doesn't work correctly on Samsung Exynos4 SoC. It
fails to set configuration for all but external interrupt pins. This
patch fixes this issue.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoARM: EXYNOS4: Enable MFC on Samsung SMDKV310
Sachin Kamat [Fri, 12 Aug 2011 09:21:27 +0000 (18:21 +0900)]
ARM: EXYNOS4: Enable MFC on Samsung SMDKV310

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoARM: EXYNOS4: Update config file of NURI to enable RTC
Chanwoo Choi [Fri, 12 Aug 2011 08:14:56 +0000 (17:14 +0900)]
ARM: EXYNOS4: Update config file of NURI to enable RTC

This patch update config file of NURI board to enable RTC

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoARM: EXYNOS4: enable frame buffer on Nuri board
Marek Szyprowski [Thu, 11 Aug 2011 10:57:28 +0000 (19:57 +0900)]
ARM: EXYNOS4: enable frame buffer on Nuri board

This patch adds platform definitions to enable s3c-fb driver.
Framebuffer window with 1280x800x16bpp mode has been defined.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoARM: EXYNOS4: enable frame buffer on Universal C210 board
Marek Szyprowski [Thu, 11 Aug 2011 10:55:40 +0000 (19:55 +0900)]
ARM: EXYNOS4: enable frame buffer on Universal C210 board

This patch adds platform definitions to enable s3c-fb driver.
Framebuffer window with 480x800x16bpp mode has been defined.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoARM: EXYNOS4: Add HPD and PD support for HDMI on ORIGEN
Sachin Kamat [Mon, 3 Oct 2011 00:16:53 +0000 (09:16 +0900)]
ARM: EXYNOS4: Add HPD and PD support for HDMI on ORIGEN

This patch adds hot plug detection(HPD) and power domain(PD)
support for HDMI on ORIGEN board.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoARM: EXYNOS4: Add machine support for 7" LCD on ORIGEN
Tushar Behera [Mon, 3 Oct 2011 00:12:56 +0000 (09:12 +0900)]
ARM: EXYNOS4: Add machine support for 7" LCD on ORIGEN

ORIGEN board is fitted with 7" LCD panel HV070WSA. The pixel
resolution of the LCD panel is 1024x600.

Also power domain device for LCD0 is registered.

Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoARM: EXYNOS4: Configure MAX8997 PMIC for ORIGEN
Inderpal Singh [Sun, 2 Oct 2011 23:51:20 +0000 (08:51 +0900)]
ARM: EXYNOS4: Configure MAX8997 PMIC for ORIGEN

Configure MAX8997 PMIC and provide platform specific
data for ORIGEN board.

Signed-off-by: Inderpal Singh <inderpal.singh@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agolis3: fix regression of HP DriveGuard with 8bit chip
Takashi Iwai [Tue, 4 Oct 2011 01:09:14 +0000 (18:09 -0700)]
lis3: fix regression of HP DriveGuard with 8bit chip

Commit 2a7fade7e03 ("hwmon: lis3: Power on corrections") caused a
regression on HP laptops with 8bit chip.  Writing CTRL2_BOOT_8B bit seems
clearing the BIOS setup, and no proper interrupt for DriveGuard will be
triggered any more.

Since the init code there is basically only for embedded devices, put a
pdata check so that the problematic initialization will be skipped for
hp_accel stuff.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Cc: Eric Piel <eric.piel@tremplin-utc.net>
Cc: Samu Onkalo <samu.p.onkalo@nokia.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoMerge branch 'hwmon-for-linus' of git://github.com/groeck/linux
Linus Torvalds [Mon, 3 Oct 2011 19:54:56 +0000 (12:54 -0700)]
Merge branch 'hwmon-for-linus' of git://github.com/groeck/linux

* 'hwmon-for-linus' of git://github.com/groeck/linux:
  hwmon: (coretemp) Avoid leaving around dangling pointer
  hwmon: (coretemp) Fixup platform device ID change

13 years agoMerge git://github.com/davem330/ide
Linus Torvalds [Mon, 3 Oct 2011 19:53:43 +0000 (12:53 -0700)]
Merge git://github.com/davem330/ide

* git://github.com/davem330/ide:
  ide-disk: Fix request requeuing

13 years agoMerge branch 'btrfs-3.0' of git://github.com/chrismason/linux
Linus Torvalds [Mon, 3 Oct 2011 19:17:44 +0000 (12:17 -0700)]
Merge branch 'btrfs-3.0' of git://github.com/chrismason/linux

* 'btrfs-3.0' of git://github.com/chrismason/linux:
  Btrfs: force a page fault if we have a shorty copy on a page boundary

13 years agoide-disk: Fix request requeuing
Borislav Petkov [Mon, 3 Oct 2011 18:28:18 +0000 (14:28 -0400)]
ide-disk: Fix request requeuing

Simon Kirby reported that on his RAID setup with idedisk underneath
the box OOMs after a couple of days of runtime. Running with
CONFIG_DEBUG_KMEMLEAK pointed to idedisk_prep_fn() which unconditionally
allocates an ide_cmd struct. However, ide_requeue_and_plug() can be
called more than once per request, either from the request issue or the
IRQ handler path and do blk_peek_request() ends up in idedisk_prep_fn()
repeatedly, allocating a struct ide_cmd everytime and "forgetting" the
previous pointer.

Make sure the code reuses the old allocated chunk.

Reported-and-tested-by: Simon Kirby <sim@hostway.ca>
Cc: <stable@kernel.org> [ 39.x, 3.0.x ]
Link: http://marc.info/?l=linux-kernel&m=131667641517919
Link: http://lkml.kernel.org/r/20110922072643.GA27232@hostway.ca
Signed-off-by: Borislav Petkov <bp@alien8.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agopch_gbe: Fixed the issue on which a network freezes
Toshiharu Okada [Sun, 25 Sep 2011 21:27:43 +0000 (21:27 +0000)]
pch_gbe: Fixed the issue on which a network freezes

The pch_gbe driver has an issue which a network stops,
when receiving traffic is high.
In the case, The link down and up are necessary to return a network.

This patch fixed this issue.

Signed-off-by: Toshiharu Okada <toshiharu-linux@dsn.okisemi.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agopch_gbe: Fixed the issue on which PC was frozen when link was downed.
Toshiharu Okada [Sun, 25 Sep 2011 21:27:42 +0000 (21:27 +0000)]
pch_gbe: Fixed the issue on which PC was frozen when link was downed.

When a link was downed during network use,
there is an issue on which PC freezes.

This patch fixed this issue.

Signed-off-by: Toshiharu Okada <toshiharu-linux@dsn.okisemi.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agomake PACKET_STATISTICS getsockopt report consistently between ring and non-ring
Willem de Bruijn [Fri, 30 Sep 2011 10:38:28 +0000 (10:38 +0000)]
make PACKET_STATISTICS getsockopt report consistently between ring and non-ring

This is a minor change.

Up until kernel 2.6.32, getsockopt(fd, SOL_PACKET, PACKET_STATISTICS,
...) would return total and dropped packets since its last invocation. The
introduction of socket queue overflow reporting [1] changed drop
rate calculation in the normal packet socket path, but not when using a
packet ring. As a result, the getsockopt now returns different statistics
depending on the reception method used. With a ring, it still returns the
count since the last call, as counts are incremented in tpacket_rcv and
reset in getsockopt. Without a ring, it returns 0 if no drops occurred
since the last getsockopt and the total drops over the lifespan of
the socket otherwise. The culprit is this line in packet_rcv, executed
on a drop:

drop_n_acct:
        po->stats.tp_drops = atomic_inc_return(&sk->sk_drops);

As it shows, the new drop number it taken from the socket drop counter,
which is not reset at getsockopt. I put together a small example
that demonstrates the issue [2]. It runs for 10 seconds and overflows
the queue/ring on every odd second. The reported drop rates are:
ring: 16, 0, 16, 0, 16, ...
non-ring: 0, 15, 0, 30, 0, 46, 0, 60, 0 , 74.

Note how the even ring counts monotonically increase. Because the
getsockopt adds tp_drops to tp_packets, total counts are similarly
reported cumulatively. Long story short, reinstating the original code, as
the below patch does, fixes the issue at the cost of additional per-packet
cycles. Another solution that does not introduce per-packet overhead
is be to keep the current data path, record the value of sk_drops at
getsockopt() at call N in a new field in struct packetsock and subtract
that when reporting at call N+1. I'll be happy to code that, instead,
it's just more messy.

[1] http://patchwork.ozlabs.org/patch/35665/
[2] http://kernel.googlecode.com/files/test-packetsock-getstatistics.c

Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agonet: xen-netback: correctly restart Tx after a VM restore/migrate
David Vrabel [Fri, 30 Sep 2011 06:37:51 +0000 (06:37 +0000)]
net: xen-netback: correctly restart Tx after a VM restore/migrate

If a VM is saved and restored (or migrated) the netback driver will no
longer process any Tx packets from the frontend.  xenvif_up() does not
schedule the processing of any pending Tx requests from the front end
because the carrier is off.  Without this initial kick the frontend
just adds Tx requests to the ring without raising an event (until the
ring is full).

This was caused by 47103041e91794acdbc6165da0ae288d844c820b (net:
xen-netback: convert to hw_features) which reordered the calls to
xenvif_up() and netif_carrier_on() in xenvif_connect().

Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Cc: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agobonding: properly stop queuing work when requested
Andy Gospodarek [Fri, 23 Sep 2011 10:53:34 +0000 (10:53 +0000)]
bonding: properly stop queuing work when requested

During a test where a pair of bonding interfaces using ARP monitoring
were both brought up and torn down (with an rmmod) repeatedly, a panic
in the timer code was noticed.  I tracked this down and determined that
any of the bonding functions that ran as workqueue handlers and requeued
more work might not properly exit when the module was removed.

There was a flag protected by the bond lock called kill_timers that is
set when the interface goes down or the module is removed, but many of
the functions that monitor link status now unlock the bond lock to take
rtnl first.  There is a chance that another CPU running the rmmod could
get the lock and set kill_timers after the first check has passed.

This patch does not allow any function to queue work that will make
itself run unless kill_timers is not set.  I also noticed while doing
this work that bond_resend_igmp_join_requests did not have a check for
kill_timers, so I added the needed call there as well.

Signed-off-by: Andy Gospodarek <andy@greyhouse.net>
Reported-by: Liang Zheng <lzheng@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agodrm/radeon: Set cursor x/y to 0 when x/yorigin > 0.
Michel Dänzer [Fri, 30 Sep 2011 15:16:53 +0000 (17:16 +0200)]
drm/radeon: Set cursor x/y to 0 when x/yorigin > 0.

Apart from the obvious cleanup, this should make the line

cursor_end = x - xorigin + w;

correct now.

Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
13 years agodrm/radeon: Update AVIVO cursor coordinate origin before x/yorigin calculation.
Michel Dänzer [Fri, 30 Sep 2011 15:16:52 +0000 (17:16 +0200)]
drm/radeon: Update AVIVO cursor coordinate origin before x/yorigin calculation.

Fixes cursor disappearing prematurely when moving off a top/left edge which
is not located at the desktop top/left edge.

Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Cc: stable@kernel.org
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
13 years agodrm/radeon: Simplify cursor x/yorigin calculation.
Michel Dänzer [Fri, 30 Sep 2011 15:16:51 +0000 (17:16 +0200)]
drm/radeon: Simplify cursor x/yorigin calculation.

Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>