diff options
| author | Ludovic Desroches <ludovic.desroches@atmel.com> | 2015-01-06 19:36:26 +0300 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2015-01-13 21:34:02 +0300 |
| commit | 816070ede77003e033c76cd1f72127d9bb6c9a03 (patch) | |
| tree | 4af1e2ca17fe093fa2a96c214a25d87ca3927f3c /drivers/dma/at_hdmac.c | |
| parent | 891653ab836d5a8ef9eba0d347318364bd309a00 (diff) | |
| download | linux-816070ede77003e033c76cd1f72127d9bb6c9a03.tar.xz | |
dmaengine: at_hdmac: declare slave capabilities
Declare slave capabilities to suppress "this driver doesn't support generic
slave capabilities reporting" warning.
Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma/at_hdmac.c')
| -rw-r--r-- | drivers/dma/at_hdmac.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c index 86450b3442f2..1e1a4c567542 100644 --- a/drivers/dma/at_hdmac.c +++ b/drivers/dma/at_hdmac.c @@ -42,6 +42,11 @@ #define ATC_DEFAULT_CFG (ATC_FIFOCFG_HALFFIFO) #define ATC_DEFAULT_CTRLB (ATC_SIF(AT_DMA_MEM_IF) \ |ATC_DIF(AT_DMA_MEM_IF)) +#define ATC_DMA_BUSWIDTHS\ + (BIT(DMA_SLAVE_BUSWIDTH_UNDEFINED) |\ + BIT(DMA_SLAVE_BUSWIDTH_1_BYTE) |\ + BIT(DMA_SLAVE_BUSWIDTH_2_BYTES) |\ + BIT(DMA_SLAVE_BUSWIDTH_4_BYTES)) /* * Initial number of descriptors to allocate for each channel. This could @@ -1531,6 +1536,10 @@ static int __init at_dma_probe(struct platform_device *pdev) atdma->dma_common.device_pause = atc_pause; atdma->dma_common.device_resume = atc_resume; atdma->dma_common.device_terminate_all = atc_terminate_all; + atdma->dma_common.src_addr_widths = ATC_DMA_BUSWIDTHS; + atdma->dma_common.dst_addr_widths = ATC_DMA_BUSWIDTHS; + atdma->dma_common.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV); + atdma->dma_common.residue_granularity = DMA_RESIDUE_GRANULARITY_BURST; } dma_writel(atdma, EN, AT_DMA_ENABLE); |