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>
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>
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>
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>
Peng Ma