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* dmaengine: owl: Fix warnings generated during buildManivannan Sadhasivam2018-10-151-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | Following warnings are generated when compiled with W=1, drivers/dma/owl-dma.c:170: warning: Function parameter or member 'cyclic' not described in 'owl_dma_txd' drivers/dma/owl-dma.c:198: warning: Function parameter or member 'cfg' not described in 'owl_dma_vchan' drivers/dma/owl-dma.c:198: warning: Function parameter or member 'drq' not described in 'owl_dma_vchan' drivers/dma/owl-dma.c:225: warning: Function parameter or member 'irq' not described in 'owl_dma' Fix this by adding comments for relevant struct members to appear in kernel-doc. Fixes: d64e1b3f5cce ("dmaengine: owl: Add Slave and Cyclic mode support for Actions Semi Owl S900 SoC") Reported-by: Vinod Koul <vinod.koul@linaro.org> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Reviewed-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Vinod Koul <vkoul@kernel.org>
* dmaengine: owl: Add Slave and Cyclic mode support for Actions Semi Owl S900 SoCManivannan Sadhasivam2018-10-051-7/+272
| | | | | | | | | | | Add Slave and Cyclic mode support for Actions Semi Owl S900 SoC. The slave mode supports bus width of 4 bytes common for all peripherals and 1 byte specific for UART. The cyclic mode supports only block mode transfer. Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Signed-off-by: Vinod Koul <vkoul@kernel.org>
* dmaengine: Add Actions Semi Owl family S900 DMA driverManivannan Sadhasivam2018-08-091-0/+971
Add Actions Semi Owl family S900 DMA driver. Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Signed-off-by: Vinod Koul <vkoul@kernel.org>