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dmaengine: sirf: Declare slave capabilities for the generic code

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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>
This commit is contained in:
Maxime Ripard 2014-11-17 14:42:51 +01:00 committed by Vinod Koul
parent dcabe456b4
commit 07ffa6ba7a
1 changed files with 3 additions and 13 deletions
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16
drivers/dma/sirf-dma.c
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@ -628,18 +628,6 @@ EXPORT_SYMBOL(sirfsoc_dma_filter_id);
BIT(DMA_SLAVE_BUSWIDTH_4_BYTES) | \ BIT(DMA_SLAVE_BUSWIDTH_4_BYTES) | \
BIT(DMA_SLAVE_BUSWIDTH_8_BYTES)) BIT(DMA_SLAVE_BUSWIDTH_8_BYTES))
static int sirfsoc_dma_device_slave_caps(struct dma_chan *dchan,
struct dma_slave_caps *caps)
{
caps->src_addr_widths = SIRFSOC_DMA_BUSWIDTHS;
caps->dst_addr_widths = SIRFSOC_DMA_BUSWIDTHS;
caps->directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);
caps->cmd_pause = true;
caps->cmd_terminate = true;
return 0;
}
static struct dma_chan *of_dma_sirfsoc_xlate(struct of_phandle_args *dma_spec, static struct dma_chan *of_dma_sirfsoc_xlate(struct of_phandle_args *dma_spec,
struct of_dma *ofdma) struct of_dma *ofdma)
{ {
@ -726,7 +714,9 @@ static int sirfsoc_dma_probe(struct platform_device *op)
dma->device_tx_status = sirfsoc_dma_tx_status; dma->device_tx_status = sirfsoc_dma_tx_status;
dma->device_prep_interleaved_dma = sirfsoc_dma_prep_interleaved; dma->device_prep_interleaved_dma = sirfsoc_dma_prep_interleaved;
dma->device_prep_dma_cyclic = sirfsoc_dma_prep_cyclic; dma->device_prep_dma_cyclic = sirfsoc_dma_prep_cyclic;
dma->device_slave_caps = sirfsoc_dma_device_slave_caps; dma->src_addr_widths = SIRFSOC_DMA_BUSWIDTHS;
dma->dst_addr_widths = SIRFSOC_DMA_BUSWIDTHS;
dma->directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);
INIT_LIST_HEAD(&dma->channels); INIT_LIST_HEAD(&dma->channels);
dma_cap_set(DMA_SLAVE, dma->cap_mask); dma_cap_set(DMA_SLAVE, dma->cap_mask);