Commit Graph

276833 Commits

Author SHA1 Message Date
Rajeshwari Shinde
ebc433c289 ARM: S5P64X0: Add HSMMC setup for host Controller
Adds support for HSMMC for S5P64X0 platform, performs
setup for host controller and related GPIO.

Signed-off-by: Rajeshwari Shinde <rajeshwari.s@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-26 16:30:43 +09:00
Padmavathi Venna
7d38af51d5 ARM: S3C64XX: Modified according to SPI consolidation work
As SPI platform devices are consolidated to plat-samsung, some
corresponding changes are required in the s3c6410 varient SoCs.

Signed-off-by: Padmavathi Venna <padma.v@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23 10:50:03 +09:00
Padmavathi Venna
5aa4a395af ARM: S5PV210: Modified files for SPI consolidation work
As SPI platform devices are consolidated to plat-samsung, some
corresponding changes are required in the respective machine folder.
Added SPI Setup file for GPIO configurations and platform data
initialization.

Signed-off-by: Padmavathi Venna <padma.v@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23 10:50:03 +09:00
Padmavathi Venna
25dada97a9 ARM: S5P64X0: Modified files for SPI consolidation work
As SPI platform devices are consolidated to plat-samsung, some
corresponding changes are required in the respective machine folder.
Added SPI Setup file for GPIO configurations and platform data
initialization.

Signed-off-by: Padmavathi Venna <padma.v@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23 10:50:02 +09:00
Padmavathi Venna
323d771745 ARM: S5PC100: Modified files for SPI consolidation work
As SPI platform devices are consolidated to plat-samsung, some
corresponding changes are required in the respective machine folder.
Added SPI Setup file for GPIO configurations and platform data
initialization.

Signed-off-by: Padmavathi Venna <padma.v@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23 10:50:01 +09:00
Padmavathi Venna
4566c7f761 ARM: S3C64XX: Modified files for SPI consolidation work
As SPI platform devices are consolidated to plat-samsung, some
corresponding changes are required in the respective machine folder.
Setup files are added for SPI GPIO configurations and platform data
initialization.

Signed-off-by: Padmavathi Venna <padma.v@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23 10:50:00 +09:00
Padmavathi Venna
875a59374c ARM: SAMSUNG: Consolidation of SPI platform devices to plat-samsung
SPI platform device definitions consolidated from respective machine
folder to plat-samsung

Signed-off-by: Padmavathi Venna <padma.v@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23 10:49:53 +09:00
Padmavathi Venna
a153e31abb ARM: SAMSUNG: Remove SPI bus clocks from platform data
SPI bus clocks can be avoided passing through platform
data as spi driver is getting the bus clock using the
generic clock connection id registered via clkdev.

Signed-off-by: Padmavathi Venna <padma.v@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23 10:10:46 +09:00
Padmavathi Venna
8c4b8e718c ARM: S5PV210: Add SPI clkdev support
Registered the SPI bus clocks with clkdev using generic
connection id.

Signed-off-by: Padmavathi Venna <padma.v@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23 10:10:41 +09:00
Padmavathi Venna
c596704f73 ARM: S5P64X0: Add SPI clkdev support
Registered the SPI bus clocks with clkdev using generic
connection id.

Signed-off-by: Padmavathi Venna <padma.v@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23 10:10:37 +09:00
Padmavathi Venna
02717bb9aa ARM: S5PC100: Add SPI clkdev support
Registered the SPI bus clocks with clkdev using generic
connection id.

Signed-off-by: Padmavathi Venna <padma.v@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23 10:10:33 +09:00
Padmavathi Venna
ba47917c68 ARM: S3C64XX: Add SPI clkdev support
Registered the SPI bus clocks with clkdev using generic
connection id.

Signed-off-by: Padmavathi Venna <padma.v@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23 10:10:28 +09:00
Padmavathi Venna
a24d850b9b spi/s3c64xx: Use bus clocks created using clkdev
This patch modifies the driver to stop depending on the
clock names being passed from platform and switch over
to lookup clocks generic names using clkdev

Signed-off-by: Padmavathi Venna <padma.v@samsung.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23 10:10:21 +09:00
Rajeshwari Shinde
4346b6d9c6 mmc: sdhci-s3c: Use generic clock names for sdhci bus clock options
This patch modifies the driver to stop depending on the clock names
being passed from the platform and switch over to bus clock lookup
using generic clock names.

Signed-off-by: Rajeshwari Shinde <rajeshwari.s@samsung.com>
Acked-by: Chris Ball <cjb@laptop.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23 10:09:22 +09:00
Rajeshwari Shinde
a361d10a2b ARM: SAMSUNG: Add lookup of sdhci-s3c clocks using generic names
Add support for lookup of sdhci-s3c controller clocks using generic names
for s3c2416, s3c64xx, s5pc100, s5pv210 and exynos4 SoC's.

Signed-off-by: Rajeshwari Shinde <rajeshwari.s@samsung.com>
[kgene.kim@samsung.com: fixed trailing whitespace]
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23 10:09:16 +09:00
Rajeshwari Shinde
a60879e7ca ARM: SAMSUNG: Remove SDHCI bus clocks from platform data
The bus clocks previously sent through platform data to SDHCI controller
are removed.

Signed-off-by: Rajeshwari Shinde <rajeshwari.s@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23 10:09:10 +09:00
Thomas Abraham
0561ceabd0 ARM: dts: Add intial dts file for EXYNOS4210 SoC, SMDKV310 and ORIGEN
Add initial dts file for EXYNOS4210 SoC. This dts file describes
the SoC specific devices and properties. Along with this, add dts
file for Samsung's SMDKV310 board and Insignal's ORIGEN board which
uses the EXYNOS4210 dts file and extends it to describe the board
specific properties.

Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23 10:07:12 +09:00
Thomas Abraham
6b5ab4f442 ARM: EXYNOS: Add Exynos4 device tree enabled board file
Add a new EXYNOS4 compatible device tree enabled board file. Boards
based on the EXYNOS4 family of SoC's can use this as the machine/board
file. When using this machine fike, a corresponding device tree blob
which describes the board's properties should be supplied at boot time
to the kernel.

Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23 10:07:11 +09:00
Thomas Abraham
39ce4084a6 rtc: rtc-s3c: Add device tree support
Add device tree based discovery support for Samsung's rtc controller.

Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23 10:07:10 +09:00
Thomas Abraham
b3d6ac3e5f input: samsung-keypad: Add device tree support
Add device tree based discovery support for Samsung's keypad controller.

Cc: Joonyoung Shim <jy0922.shim@samsung.com>
Cc: Donghwa Lee <dh09.lee@samsung.com>
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23 10:07:10 +09:00
Thomas Abraham
8742e0441d ARM: S5PV210: Modify platform data for pl330 driver
With the 'struct dma_pl330_peri' removed, the platfrom data for dma
driver can be simplified to a simple list of peripheral request ids.

Cc: Jassi Brar <jassisinghbrar@gmail.com>
Acked-by: Boojin Kim <boojin.kim@samsung.com>
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23 10:07:09 +09:00
Thomas Abraham
7c4cab7f40 ARM: S5PC100: Modify platform data for pl330 driver
With the 'struct dma_pl330_peri' removed, the platfrom data for dma
driver can be simplified to a simple list of peripheral request ids.

Cc: Jassi Brar <jassisinghbrar@gmail.com>
Acked-by: Boojin Kim <boojin.kim@samsung.com>
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23 10:07:08 +09:00
Thomas Abraham
dc732f50e2 ARM: S5P64x0: Modify platform data for pl330 driver
With the 'struct dma_pl330_peri' removed, the platfrom data for dma
driver can be simplified to a simple list of peripheral request ids.

Cc: Jassi Brar <jassisinghbrar@gmail.com>
Cc: Boojin Kim <boojin.kim@samsung.com>
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23 10:07:07 +09:00
Thomas Abraham
66fdb29d37 ARM: EXYNOS: Add a alias for pdma clocks
PDMA controllers when instantiated from device tree are registered using
amba_device_register(). The registration process enables clock to the
controllers to read the peripheral id of the PDMA amba device.

In case of Exynos4, the clocks to the PDMA controllers are named as 'dma'
but amba_device_register() looks up the clock using the name 'apb_pclk'.
Hence, alias clocks with name 'apb_pclk' clock are created for clocks
with name 'dma'.

Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23 10:07:07 +09:00
Thomas Abraham
fca3de6ab9 ARM: EXYNOS: Limit usage of pl330 device instance to non-dt build
The pl330 device instances and associated platform data is required only
for non-device-tree builds. With device tree enabled, the data about the
platform is obtained from the device tree. For images that include both
dt and non-dt platforms, an addditional check is added to ensure that
static amba device registrations is applicable to only non-dt platforms.

Cc: Kukjin Kim <kgene.kim@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23 10:07:06 +09:00
Thomas Abraham
4972a80e16 ARM: SAMSUNG: Add device tree support for pl330 dma engine wrappers
A new dma request id 'DMACH_DT_PROP' is introduced for client drivers
requesting a dma channel. This request indicates that a device tree
node property represting the dma channel is available in
'struct samsung_dma_info'. The dma channel request wrapper uses the
node property value as the value for the filter parameter.

Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23 10:07:05 +09:00
Thomas Abraham
93ed554412 DMA: PL330: Add device tree support
For PL330 dma controllers instantiated from device tree, the channel
lookup is based on phandle of the dma controller and dma request id
specified by the client node. During probe, the private data of each
channel of the controller is set to point to the device node of the
dma controller. The 'chan_id' of the each channel is used as the
dma request id.

Client driver requesting dma channels specify the phandle of the
dma controller and the request id. The pl330 filter function
converts the phandle to the device node pointer and matches that
with channel's private data. If a match is found, the request id
from the client node and the 'chan_id' of the channel is matched.
A channel is found if both the values match.

Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
Acked-by: Boojin Kim <boojin.kim@samsung.com>
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Reviewed-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23 10:07:04 +09:00
Thomas Abraham
e1cd8454da ARM: EXYNOS: Modify platform data for pl330 driver
With the 'struct dma_pl330_peri' removed, the platfrom data for dma
driver can be simplified to a simple list of peripheral request ids.

Cc: Jassi Brar <jassisinghbrar@gmail.com>
Acked-by: Boojin Kim <boojin.kim@samsung.com>
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23 10:07:04 +09:00
Thomas Abraham
cd07251521 DMA: PL330: Infer transfer direction from transfer request instead of platform data
The transfer direction for a channel can be inferred from the transfer
request and the need for specifying transfer direction in platfrom data
can be eliminated. So the structure definition 'struct dma_pl330_peri'
is no longer required.

The channel's private data is set to point to a channel id specified in
the platform data (instead of an instance of type 'struct dma_pl330_peri').
The filter function is correspondingly modified to match the channel id.

With the 'struct dma_pl330_peri' removed from platform data, the dma
controller transfer capabilities cannot be inferred any more. Hence,
the dma controller capabilities is specified using platform data.

Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
Acked-by: Boojin Kim <boojin.kim@samsung.com>
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23 10:07:03 +09:00
Thomas Abraham
3e2ec13a81 DMA: PL330: move filter function into driver
The dma channel selection filter function is moved from plat-samsung
into the pl330 driver. In additon to that, a check is added in the
filter function to ensure that the channel on which the filter has
been invoked is pl330 channel instance (and avoid any incorrect
access of chan->private in a system with multiple types of DMA
drivers).

Suggested-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23 10:07:02 +09:00
Mark Brown
a169a888bf serial: samsung: Fix build for non-Exynos4210 devices
exynos4120_serial_drv_data is only defined when building with support
for Exynos4210 so use the already provided define to ensure that we
don't reference it when building for other SoCs.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
[kgene.kim@samsung.com: Fixed build warning]
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23 10:07:01 +09:00
Thomas Abraham
26c919e1d3 serial: samsung: add device tree support
Add device tree based discovery support for Samsung's uart controller.

Cc: Ben Dooks <ben-linux@fluff.org>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23 10:07:01 +09:00
Thomas Abraham
da121506eb serial: samsung: merge probe() function from all SoC specific extensions
With reset port, set clock and get clock functions in SoC specific extentions
being removed, only the driver probe is left over in these extensions. The
probe function itself can be merged into one and moved into the samsung common
serial driver. With driver probe also moved, all the SoC specific extentions
are no longer required and they are deleted.

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>
2011-12-23 10:07:00 +09:00
Thomas Abraham
0dfb3b41be serial: samsung: merge all SoC specific port reset functions
The port reset function in each of the platform specific extension performs
the same operations and hence all the reset port functions can be merged into
one and moved into the common samsung uart driver. The SoC specific port reset
functions are removed from SoC extensions.

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>
2011-12-23 10:06:59 +09:00
Thomas Abraham
0cfb26e1fb ARM: SAMSUNG: register uart clocks to clock lookup list
Samsung uart driver lookups the clock using the connection id 'clk_uart_baud'.
The uart clocks for all Samsung platforms are reorganized to register them
with the lookup name as required by the uart 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>
2011-12-23 10:06:58 +09:00
Thomas Abraham
c3310fbbeb serial: samsung: remove all uses of get_clksrc and set_clksrc
With clkdev based clock lookup support, the clock set and get operation
using clock names communicated between the samsung uart driver and the
SoC specific extension can be removed.

In addition to that, for each platform specific extension, add the
default clock selection, number of clock options for uart baud generator,
clock selection bit mask and shift values which is required by the
clkdev support in samsung uart driver.

The default clock selection value 'def_clk_sel' specifies the default clock
to be used as the source clock for baud rate generator in case the platform
code does not specify the same.

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>
2011-12-23 10:06:58 +09:00
Thomas Abraham
afba7f91e6 ARM: SAMSUNG: remove struct 's3c24xx_uart_clksrc' and all uses of it
With clkdev based clock lookup added to samsung serial driver, the use
of 'struct s3c24xx_uart_clksrc' to supply clock names in platform
data is removed from all the Samsung platform code.

Cc: Ben Dooks <ben-linux@fluff.org>
Cc: Ramax Lo <ramaxlo@gmail.com>
Cc: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23 10:06:57 +09:00
Thomas Abraham
5f5a7a5578 serial: samsung: switch to clkdev based clock lookup
Instead of using clock names supplied in platform data, use a generic
clock name 'clk_uart_baud' to look up clocks. The platform code should
register clocks with the name 'clk_uart_baud' which can be used by the
baud rate generator. The clock lookup and selection of the best clock
as baud rate clock is reworked.

Platform code can specify the clocks that can be used as source for the
baud clock (as supported previously by passing names of clocks). A new
member is added to the platform data 'clk_sel' which holds a bit-field
value with each bit representing a baud source clock. If a bit at any
bit position is set, that clock is looked up to participate in the
selection of the baud clock source.

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>
2011-12-23 10:06:56 +09:00
Thomas Abraham
046c217c65 ARM: S3C2440: move handling of fclk/n clock to platform code
s3c2440 uses fclk/n (fclk divided by n) clock as one of the possible clocks used
to generate the baud rate clock. The divider 'n' in this case can be logically
represented outside of the uart controller.

This patch creates a new clock by name "fclk_n" for s3c2440 based platforms to
represent the fclk/n clock in the platform code. This clock provides a get_rate
callback that checks the UCON0/1/2 registers to determine the clock rate. The
samsung uart driver would receive the "fclk_n" clock name as one of the possible
baud rate clock options and the driver need not determine clock rate of fclk/n.

Cc: Ben Dooks <ben-linux@fluff.org>
Cc: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23 10:06:55 +09:00
Thomas Abraham
4d84e970d0 serial: samsung: Keep a copy of the location of platform data in driver's private data
Add a pointer to the location of the platform data in the driver's private
data. When instantiated using device tree, pdev->dev->platform_data does not
necessarily point to a valid instance of platform data. The platform data
pointer in the driver's private data could be set to pdev->dev->platform_data
or platform data instance created from device tree.

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>
2011-12-23 10:06:54 +09:00
Thomas Abraham
659d73ada5 gpio/samsung: Add device tree support for EXYNOS4
As gpio chips get registered, a device tree node which represents the
gpio chip is searched and attached to it. A translate function is also
provided to convert the gpio specifier into actual platform settings
for pin function selection, pull up/down and driver strength settings.

Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
[kgene.kim@samsung.com: fixed build error]
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23 10:06:54 +09:00
Thomas Abraham
f983575aa9 ARM: EXYNOS: Enable conversion of GIC dt irq specifier to linux virq
Enable conversion of device tree interrupt specifier to linux
virq domain for GIC controller.

Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23 10:06:53 +09:00
Thomas Abraham
1fb3726cf3 ARM: SAMSUNG: Move timer irq numbers to end of linux irq space
The timer irqs statically mapped from linux irq numbers 11 to 15 are
moved to the end of the statically mapped linux irq space. The GIC PPI
and SPI interrupts are relocated to start from 16 and 32 of the linux
irq space. This is a required to add device tree support for GIC and
Interrupt combiner for EXYNOS4.

A new macro 'IRQ_TIMER_BASE' specifies a platform specific base of the
linux virq number for the timer interrupts. For exynos4, this base is
set to end of the linux virq space.  For the other S5P platforms, the
existing base '11' is retained.

Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23 10:04:39 +09:00
Linus Torvalds
384703b8e6 Linux 3.2-rc6 2011-12-16 18:36:26 -08:00
Linus Torvalds
ed4a51842a Revert "drm/i915: fix infinite recursion on unbind due to ilk vt-d w/a"
This reverts commit eb1711bb94.

It blows up the i915 seqno tracking, resulting in the

	BUG_ON(seqno == 0);

in i915_wait_request() triggering, which will cause lock-ups.

See for example
  https://bugs.launchpad.net/ubuntu/+source/linux/+bug/903010
  https://lkml.org/lkml/2011/12/14/395

Reported-requested-and-tested-by: Dirk Hohndel <dirk@hohndel.org>
Reported-by: Richard Eames <Richard.Eames@flinders.edu.au>
Reported-by: Rocko Requin <rockorequin@hotmail.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Keith Packard <keithp@keithp.com>
Cc: Eric Anholt <eric@anholt.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-12-16 12:58:39 -08:00
Linus Torvalds
64b3dcc35e Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
  sparc32: Be less strict in matching %lo part of relocation.
  sbus: convert drivers/sbus/char/* to use module_platform_driver()
  bbc_i2c: Remove unneeded err variable
  sparc: Use kmemdup rather than duplicating its implementation
2011-12-16 12:26:26 -08:00
Linus Torvalds
24545cf168 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
  ipv6: Check dest prefix length on original route not copied one in rt6_alloc_cow().
  sch_gred: should not use GFP_KERNEL while holding a spinlock
  ipip, sit: copy parms.name after register_netdevice
  ipv6: Fix for adding multicast route for loopback device automatically.
  ssb: fix init regression with SoCs
  rtl8192{ce,cu,de,se}: avoid problems because of possible ERFOFF -> ERFSLEEP transition
  mac80211: fix another race in aggregation start
  fsl_pq_mdio: Clean up tbi address configuration
  ppp: fix pptp double release_sock in pptp_bind()
  net/fec: fix the use of pdev->id
  ath9k: fix check for antenna diversity support
  batman-adv: delete global entry in case of roaming
  batman-adv: in case of roaming mark the client with TT_CLIENT_ROAM
  Bluetooth: Correct version check in hci_setup
  btusb: fix a memory leak in btusb_send_frame()
  Bluetooth: bnep: Fix module reference
  Bluetooth: cmtp: Fix module reference
  Bluetooth: btmrvl: support Marvell Bluetooth device SD8797
2011-12-16 12:17:32 -08:00
Linus Torvalds
c9a7fe9672 Merge branches 'for-linus' and 'for-linus-3.2' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
  Btrfs: unplug every once and a while
  Btrfs: deal with NULL srv_rsv in the delalloc inode reservation code
  Btrfs: only set cache_generation if we setup the block group
  Btrfs: don't panic if orphan item already exists
  Btrfs: fix leaked space in truncate
  Btrfs: fix how we do delalloc reservations and how we free reservations on error
  Btrfs: deal with enospc from dirtying inodes properly
  Btrfs: fix num_workers_starting bug and other bugs in async thread
  BTRFS: Establish i_ops before calling d_instantiate
  Btrfs: add a cond_resched() into the worker loop
  Btrfs: fix ctime update of on-disk inode
  btrfs: keep orphans for subvolume deletion
  Btrfs: fix inaccurate available space on raid0 profile
  Btrfs: fix wrong disk space information of the files
  Btrfs: fix wrong i_size when truncating a file to a larger size
  Btrfs: fix btrfs_end_bio to deal with write errors to a single mirror

* 'for-linus-3.2' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
  btrfs: lower the dirty balance poll interval
2011-12-16 12:15:50 -08:00
Linus Torvalds
2cfab8d74e Merge branch 'drm-intel-fixes' of git://people.freedesktop.org/~keithp/linux
* 'drm-intel-fixes' of git://people.freedesktop.org/~keithp/linux:
  drm/i915/dp: Dither down to 6bpc if it makes the mode fit
  drm/i915: enable semaphores on per-device defaults
  drm/i915: don't set unpin_work if vblank_get fails
  drm/i915: By default, enable RC6 on IVB and SNB when reasonable
  iommu: Export intel_iommu_enabled to signal when iommu is in use
  drm/i915/sdvo: Include LVDS panels for the IS_DIGITAL check
  drm/i915: prevent division by zero when asking for chipset power
  drm/i915: add PCH info to i915_capabilities
  drm/i915: set the right SDVO transcoder for CPT
  drm/i915: no-lvds quirk for ASUS AT5NM10T-I
  drm/i915: Treat pre-gen4 backlight duty cycle value consistently
  drm/i915: Hook up Ivybridge eDP
  drm/i915: add multi-threaded forcewake support
2011-12-16 11:27:56 -08:00
Linus Torvalds
5885b9b3f0 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: HDA: Use LPIB Position fix for Intel SCH Poulsbo
  ALSA: hda: fix mute led polarity for HP laptops with buggy BIOS
  ALSA: HDA: Set position fix to LPIB for an Atom/Poulsbo based device
  ASoC: Fix hx4700 error handling to free gpios if snd_soc_register_card fails
  ASoC: WM8958: correctly show firmware magic on mismatch
  ASoC: mxs: Add appropriate MODULE_ALIAS()
  ASoC: mxs: Add missing MODULE_LICENSE("GPL")
  ASoC: Fix WM8996 24.576MHz clock operation
  ASoC: Include linux/module.h for smdk2443_wm9710
  ASoC: Fix a typo in jive_wm8750
  ASoC: Fix build dependency for SND_SOC_JZ4740_CODEC
  ASoC: Include linux/io.h for jz4740 codec
2011-12-16 11:14:42 -08:00