Add runtime support for the dma driver. Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xxxxxxxxxx> --- drivers/dma/xilinx/zynqmp_dma.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/dma/xilinx/zynqmp_dma.c b/drivers/dma/xilinx/zynqmp_dma.c index 6d221e5..dbc102d 100644 --- a/drivers/dma/xilinx/zynqmp_dma.c +++ b/drivers/dma/xilinx/zynqmp_dma.c @@ -23,6 +23,7 @@ #include <linux/slab.h> #include <linux/clk.h> #include <linux/io-64-nonatomic-lo-hi.h> +#include <linux/pm_runtime.h> #include "../dmaengine.h" @@ -1027,6 +1028,9 @@ static int zynqmp_dma_chan_probe(struct zynqmp_dma_device *zdev, return err; } + pm_runtime_set_active(&pdev->dev); + pm_runtime_enable(&pdev->dev); + chan->desc_size = sizeof(struct zynqmp_dma_desc_ll); chan->idle = true; return 0; @@ -1108,6 +1112,8 @@ static int zynqmp_dma_probe(struct platform_device *pdev) free_chan_resources: zynqmp_dma_chan_remove(zdev->chan); + pm_runtime_disable(&pdev->dev); + pm_runtime_set_suspended(&pdev->dev); return ret; } @@ -1125,6 +1131,8 @@ static int zynqmp_dma_remove(struct platform_device *pdev) dma_async_device_unregister(&zdev->common); zynqmp_dma_chan_remove(zdev->chan); + pm_runtime_disable(&pdev->dev); + pm_runtime_set_suspended(&pdev->dev); return 0; } -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
