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2019-06-04dmaengine: fsl-qdma: Continue to clear register on errorPeng Ma1-3/+1
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>
2019-06-04dmaengine: fsl-qdma: fixed the source/destination descriptor formatPeng Ma1-8/+10
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>
2019-01-07dmaengine: fsl-qdma: add MODULE_LICENSEArnd Bergmann1-0/+1
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>
2019-01-07dmaengine: fsl-qdma: Add qDMA controller driver for Layerscape SoCsPeng Ma1-0/+1258
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>