[PATCH v3 54/59] dmaengine: omap: Declare slave capabilities for the generic code

Maxime Ripard
2014-10-22T15:53:33Z

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>
---
drivers/dma/omap-dma.c | 19 +++++--------------
1 file changed, 5 insertions(+), 14 deletions(-)

diff --git a/drivers/dma/omap-dma.c b/drivers/dma/omap-dma.c
index 90c0bdd53bb0..b66860a93ae4 100644
--- a/drivers/dma/omap-dma.c
+++ b/drivers/dma/omap-dma.c
@@ -1072,19 +1072,6 @@ 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;
@@ -1118,7 +1105,11 @@ 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.generic_slave_caps = true;
od->ddev.dev = &pdev->dev;
INIT_LIST_HEAD(&od->ddev.channels);
INIT_LIST_HEAD(&od->pending);
--
2.1.1