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authorMaxime Ripard <maxime.ripard@free-electrons.com>2014-11-17 14:42:45 +0100
committerVinod Koul <vinod.koul@intel.com>2014-12-22 12:33:23 +0530
commitb574368024670ab654d3aa79df0ed5a754790efe (patch)
tree635f2a424962885845bff9277ab0f7ad2ce763d3 /drivers/dma/bcm2835-dma.c
parent8ac82f889c525243b3b3b64117bbd8f810aac29b (diff)
dmaengine: bcm2835: 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> Acked-by: Stephen Warren <swarren@wwwdotorg.org> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma/bcm2835-dma.c')
-rw-r--r--drivers/dma/bcm2835-dma.c15
1 files changed, 3 insertions, 12 deletions
diff --git a/drivers/dma/bcm2835-dma.c b/drivers/dma/bcm2835-dma.c
index 13b05c1673b1..0723096fb50a 100644
--- a/drivers/dma/bcm2835-dma.c
+++ b/drivers/dma/bcm2835-dma.c
@@ -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);