dmaengine: bcm2835: Declare slave capabilities for the generic code
authorMaxime Ripard <maxime.ripard@free-electrons.com>
Mon, 17 Nov 2014 13:42:45 +0000 (14:42 +0100)
committerVinod Koul <vinod.koul@intel.com>
Mon, 22 Dec 2014 07:03:23 +0000 (12:33 +0530)
Now that the generic slave caps code can make use of the device assigned
capabilities, instead of relying on a callback to be implemented.

Make use of this code.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
drivers/dma/bcm2835-dma.c

index 13b05c1..0723096 100644 (file)
@@ -550,18 +550,6 @@ static struct dma_chan *bcm2835_dma_xlate(struct of_phandle_args *spec,
        return chan;
 }
 
-static int bcm2835_dma_device_slave_caps(struct dma_chan *dchan,
-       struct dma_slave_caps *caps)
-{
-       caps->src_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_4_BYTES);
-       caps->dst_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_4_BYTES);
-       caps->directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);
-       caps->cmd_pause = false;
-       caps->cmd_terminate = true;
-
-       return 0;
-}
-
 static int bcm2835_dma_probe(struct platform_device *pdev)
 {
        struct bcm2835_dmadev *od;
@@ -603,6 +591,9 @@ static int bcm2835_dma_probe(struct platform_device *pdev)
        od->ddev.device_prep_dma_cyclic = bcm2835_dma_prep_dma_cyclic;
        od->ddev.device_config = bcm2835_dma_slave_config;
        od->ddev.device_terminate_all = bcm2835_dma_terminate_all;
+       od->ddev.src_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_4_BYTES);
+       od->ddev.dst_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_4_BYTES);
+       od->ddev.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);
        od->ddev.dev = &pdev->dev;
        INIT_LIST_HEAD(&od->ddev.channels);
        spin_lock_init(&od->lock);