[PATCH v3 57/59] dmaengine: sun6i: Declare slave capabilities for the generic code

Maxime Ripard
2014-10-22T15:46:04Z

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/sun6i-dma.c | 10 ++++++++++
1 file changed, 10 insertions(+)

diff --git a/drivers/dma/sun6i-dma.c b/drivers/dma/sun6i-dma.c
index c3a6b3f789a8..c5d7957e7853 100644
--- a/drivers/dma/sun6i-dma.c
+++ b/drivers/dma/sun6i-dma.c
@@ -921,6 +921,16 @@ static int sun6i_dma_probe(struct platform_device *pdev)
sdc->slave.device_resume = sun6i_dma_resume;
sdc->slave.device_terminate_all = sun6i_dma_terminate_all;
sdc->slave.chancnt = NR_MAX_VCHANS;
+ sdc->slave.generic_slave_caps = true;
+ sdc->slave.src_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_1_BYTE) |
+ BIT(DMA_SLAVE_BUSWIDTH_2_BYTES) |
+ BIT(DMA_SLAVE_BUSWIDTH_4_BYTES);
+ sdc->slave.dst_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_1_BYTE) |
+ BIT(DMA_SLAVE_BUSWIDTH_2_BYTES) |
+ BIT(DMA_SLAVE_BUSWIDTH_4_BYTES);
+ sdc->slave.directions = BIT(DMA_DEV_TO_MEM) |
+ BIT(DMA_MEM_TO_DEV);
+ sdc->slave.residue_granularity = DMA_RESIDUE_GRANULARITY_BURST;
sdc->slave.dev = &pdev->dev;

sdc->pchans = devm_kcalloc(&pdev->dev, NR_MAX_CHANNELS,
--
2.1.1