[PATCH v3 52/59] dmaengine: edma: Declare slave capabilities for the generic code

Maxime Ripard
2014-10-22T15:54:16Z

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/edma.c | 21 +++++++--------------
1 file changed, 7 insertions(+), 14 deletions(-)

diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c
index 56735a0aa3a8..ea9c03122806 100644
--- a/drivers/dma/edma.c
+++ b/drivers/dma/edma.c
@@ -971,19 +971,6 @@ static void __init edma_chan_init(struct edma_cc *ecc,
BIT(DMA_SLAVE_BUSWIDTH_3_BYTES) | \
BIT(DMA_SLAVE_BUSWIDTH_4_BYTES))

-static int edma_dma_device_slave_caps(struct dma_chan *dchan,
- struct dma_slave_caps *caps)
-{
- caps->src_addr_widths = EDMA_DMA_BUSWIDTHS;
- caps->dst_addr_widths = EDMA_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 void edma_dma_init(struct edma_cc *ecc, struct dma_device *dma,
struct device *dev)
{
@@ -998,7 +985,13 @@ static void edma_dma_init(struct edma_cc *ecc, struct dma_device *dma,
dma->device_pause = edma_dma_pause;
dma->device_resume = edma_dma_resume;
dma->device_terminate_all = edma_terminate_all;
- dma->device_slave_caps = edma_dma_device_slave_caps;
+
+ dma->src_addr_widths = EDMA_DMA_BUSWIDTHS;
+ dma->dst_addr_widths = EDMA_DMA_BUSWIDTHS;
+ dma->directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);
+ dma->residue_granularity = DMA_RESIDUE_GRANULARITY_BURST;
+ dma->generic_slave_caps = true;
+
dma->dev = dev;

/*
--
2.1.1