From 816070ede77003e033c76cd1f72127d9bb6c9a03 Mon Sep 17 00:00:00 2001 From: Ludovic Desroches Date: Tue, 6 Jan 2015 17:36:26 +0100 Subject: 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 Acked-by: Maxime Ripard Acked-by: Nicolas Ferre Signed-off-by: Vinod Koul --- drivers/dma/at_hdmac.c | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'drivers/dma/at_hdmac.c') 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); -- cgit