dmaengine: omap: Declare slave capabilities for the generic code

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>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

drivers/dma/omap-dma.c

@@ -1070,19 +1070,6 @@ static void omap_dma_free(struct omap_dmadev *od)
 				 BIT(DMA_SLAVE_BUSWIDTH_2_BYTES) | \
 				 BIT(DMA_SLAVE_BUSWIDTH_4_BYTES))
 
-static int omap_dma_device_slave_caps(struct dma_chan *dchan,
-				      struct dma_slave_caps *caps)
-{
-	caps->src_addr_widths = OMAP_DMA_BUSWIDTHS;
-	caps->dst_addr_widths = OMAP_DMA_BUSWIDTHS;
-	caps->directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);
-	caps->cmd_pause = true;
-	caps->cmd_terminate = true;
-	caps->residue_granularity = DMA_RESIDUE_GRANULARITY_BURST;
-
-	return 0;
-}
-
 static int omap_dma_probe(struct platform_device *pdev)
 {
 	struct omap_dmadev *od;
@@ -1116,7 +1103,10 @@ static int omap_dma_probe(struct platform_device *pdev)
 	od->ddev.device_pause = omap_dma_pause;
 	od->ddev.device_resume = omap_dma_resume;
 	od->ddev.device_terminate_all = omap_dma_terminate_all;
-	od->ddev.device_slave_caps = omap_dma_device_slave_caps;
+	od->ddev.src_addr_widths = OMAP_DMA_BUSWIDTHS;
+	od->ddev.dst_addr_widths = OMAP_DMA_BUSWIDTHS;
+	od->ddev.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);
+	od->ddev.residue_granularity = DMA_RESIDUE_GRANULARITY_BURST;
 	od->ddev.dev = &pdev->dev;
 	INIT_LIST_HEAD(&od->ddev.channels);
 	INIT_LIST_HEAD(&od->pending);