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Commit 6f3125ce authored by Lucas Stach's avatar Lucas Stach Committed by Vinod Koul
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dmaengine: imx-sdma: advertise correct residue granularity 



The SDMA hardware/driver does not actually report the transfer residue at
burst size granularity, but in fact is only able to report residue after
each finished segment.

Signed-off-by: default avatarLucas Stach <l.stach@pengutronix.de>
Tested-by: default avatarFabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent 7c3f4309

drivers/dma/imx-sdma.c

+1 −1
Original line number Diff line number Diff line
@@ -1832,7 +1832,7 @@ static int sdma_probe(struct platform_device *pdev) 
	sdma->dma_device.src_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_4_BYTES);

	sdma->dma_device.dst_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_4_BYTES);

	sdma->dma_device.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);

	sdma->dma_device.residue_granularity = DMA_RESIDUE_GRANULARITY_BURST;

	sdma->dma_device.residue_granularity = DMA_RESIDUE_GRANULARITY_SEGMENT;

	sdma->dma_device.device_issue_pending = sdma_issue_pending;

	sdma->dma_device.dev->dma_parms = &sdma->dma_parms;

	dma_set_max_seg_size(sdma->dma_device.dev, 65535);