[PATCH v3 01/11] dmaengine: bcm2835: set residue_granularity field
From: <hidden>
Date: 2016-03-05 10:52:12
Also in:
linux-arm-kernel
Subsystem:
dma generic offload engine subsystem, the rest · Maintainers:
Vinod Koul, Linus Torvalds
From: Martin Sperl <redacted> bcm2835-dma supports residue reporting at burst level but didn't report this via the residue_granularity field. See also: https://github.com/raspberrypi/linux/commit/b015555327afa402f70ddc86e3632f59df1cd9d7 for the downstream patch. Signed-off-by: Matthias Reichl <redacted> Signed-off-by: Noralf Trønnes <redacted> Signed-off-by: Martin Sperl <redacted> Reviewed-by: Eric Anholt <redacted> --- drivers/dma/bcm2835-dma.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/dma/bcm2835-dma.c b/drivers/dma/bcm2835-dma.c
index 996c4b0..2d72fe8 100644
--- a/drivers/dma/bcm2835-dma.c
+++ b/drivers/dma/bcm2835-dma.c@@ -625,6 +625,7 @@ static int bcm2835_dma_probe(struct platform_device *pdev) od->ddev.src_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_4_BYTES); od->ddev.dst_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_4_BYTES); od->ddev.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV); + od->ddev.residue_granularity = DMA_RESIDUE_GRANULARITY_BURST; od->ddev.dev = &pdev->dev; INIT_LIST_HEAD(&od->ddev.channels); spin_lock_init(&od->lock);
--
2.1.4
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