linux-toradex.git/drivers/dma/pch_dma.c, branch v3.4.2

dmaengine: add context parameter to prep_slave_sg and prep_dma_cyclic

2012-03-21T13:50:23+00:00

Add context parameter to device_prep_slave_sg() and device_prep_dma_cyclic()
interfaces to allow passing client/target specific information associated
with the data transfer.
Modify all affected DMA engine drivers.

Signed-off-by: Alexandre Bounine 
Acked-by: Linus Walleij 
Acked-by: Felipe Balbi 
Signed-off-by: Vinod Koul

dmaengine: consolidate initialization of cookies

2012-03-13T06:07:22+00:00

Provide a common function to initialize a channels cookie values.

Signed-off-by: Russell King 
Tested-by: Linus Walleij 
Reviewed-by: Linus Walleij 
Acked-by: Jassi Brar 
[imx-sdma.c & mxs-dma.c]
Tested-by: Shawn Guo 
Signed-off-by: Vinod Koul

dmaengine: consolidate tx_status functions

2012-03-13T06:07:14+00:00

Now that we have the completed cookie in the dma_chan structure, we
can consolidate the tx_status functions by providing a function to set
the txstate structure and returning the DMA status.  We also provide
a separate helper to set the residue for cookies which are still in
progress.

Signed-off-by: Russell King 
Tested-by: Linus Walleij 
Reviewed-by: Linus Walleij 
Acked-by: Jassi Brar 
[imx-sdma.c & mxs-dma.c]
Tested-by: Shawn Guo 
Signed-off-by: Vinod Koul

dmaengine: consolidate assignment of DMA cookies

2012-03-13T06:06:52+00:00

Everyone deals with assigning DMA cookies in the same way (it's part of
the API so they should be), so lets consolidate the common code into a
helper function to avoid this duplication.

Signed-off-by: Russell King 
Tested-by: Linus Walleij 
Reviewed-by: Linus Walleij 
Acked-by: Jassi Brar 
[imx-sdma.c & mxs-dma.c]
Tested-by: Shawn Guo 
Signed-off-by: Vinod Koul

dmaengine: add private header file

2012-03-13T06:06:44+00:00

Add a local private header file to contain definitions and declarations
which should only be used by DMA engine drivers.

We also fix linux/dmaengine.h to use LINUX_DMAENGINE_H to guard against
multiple inclusion.

Signed-off-by: Russell King 
Tested-by: Linus Walleij 
Reviewed-by: Linus Walleij 
Acked-by: Jassi Brar 
[imx-sdma.c & mxs-dma.c]
Tested-by: Shawn Guo 
Signed-off-by: Vinod Koul

dmaengine: move last completed cookie into generic dma_chan structure

2012-03-13T06:06:06+00:00

Every DMA engine implementation declares a last completed dma cookie
in their private dma channel structures.  This is pointless, and
forces driver specific code.  Move this out into the common dma_chan
structure.

Signed-off-by: Russell King 
Tested-by: Linus Walleij 
Reviewed-by: Linus Walleij 
Acked-by: Jassi Brar 
[imx-sdma.c & mxs-dma.c]
Tested-by: Shawn Guo 
Signed-off-by: Vinod Koul

Merge branch 'dma_slave_direction' into next_test_dirn

2011-11-17T09:24:57+00:00

resolved conflicts:
	drivers/media/video/mx3_camera.c

pch_dma: Support new device LAPIS Semiconductor ML7831 IOH

2011-11-17T08:57:41+00:00

ML7831 is companion chip for Intel Atom E6xx series.

Signed-off-by: Tomoya MORINAGA 
Signed-off-by: Vinod Koul

pch_dma: Change company name OKI SEMICONDUCTOR to LAPIS Semiconductor

2011-11-17T08:57:41+00:00

On October 1 in 2011,
OKI SEMICONDUCTOR Co., Ltd. changed the company name in to LAPIS Semiconductor
Co., Ltd.

Signed-off-by: Tomoya MORINAGA 
Signed-off-by: Vinod Koul

dmaengine: move drivers to dma_transfer_direction

2011-10-27T15:23:43+00:00

fixup usage of dma direction by introducing dma_transfer_direction,
this patch moves dma/drivers/* to use new enum

Cc: Jassi Brar 
Cc: Russell King 
Cc: Viresh Kumar 
Cc: Linus Walleij 
Cc: Nicolas Ferre 
Cc: Mika Westerberg 
Cc: H Hartley Sweeten 
Cc: Li Yang 
Cc: Zhang Wei 
Cc: Sascha Hauer 
Cc: Guennadi Liakhovetski 
Cc: Shawn Guo 
Cc: Yong Wang 
Cc: Tomoya MORINAGA 
Cc: Boojin Kim 
Cc: Barry Song 
Acked-by: Mika Westerberg 
Acked-by: Linus Walleij 
Acked-by: Viresh Kumar 
Acked-by: Nicolas Ferre 
Signed-off-by: Vinod Koul