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4 Commits

Author SHA1 Message Date
Peng Ma
c983d805a7 dmaengine: fsl-qdma: Continue to clear register on error 
When an error occurs we should clean the error register then to return

Signed-off-by: Peng Ma <peng.ma@nxp.com>
[vkoul: change patch title]
Signed-off-by: Vinod Koul <vkoul@kernel.org>
 2019-06-04 17:35:05 +05:30
Peng Ma
8f95adcf3a dmaengine: fsl-qdma: fixed the source/destination descriptor format 
CMD of Source/Destination descriptor format should be lower of
struct fsl_qdma_engine number data address.

Signed-off-by: Peng Ma <peng.ma@nxp.com>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
 2019-06-04 17:35:02 +05:30
Arnd Bergmann
279cc97c01 dmaengine: fsl-qdma: add MODULE_LICENSE 
The newly added driver lacks a MODULE_LICENSE tag, which now produces
a warning:

WARNING: modpost: missing MODULE_LICENSE() in drivers/dma/fsl-qdma.o

Add the license according to the SPDX specifier.

Fixes: 75628c149b0d ("dmaengine: fsl-qdma: Add qDMA controller driver for Layerscape SoCs")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
 2019-01-07 09:50:16 +05:30
Peng Ma
b092529e0a dmaengine: fsl-qdma: Add qDMA controller driver for Layerscape SoCs 
NXP Queue DMA controller(qDMA) on Layerscape SoCs supports channel
virtuallization by allowing DMA jobs to be enqueued into different
command queues.

Signed-off-by: Wen He <wen.he_1@nxp.com>
Signed-off-by: Jiaheng Fan <jiaheng.fan@nxp.com>
Signed-off-by: Peng Ma <peng.ma@nxp.com>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
 2019-01-07 09:50:16 +05:30