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authorMartin Sperl <kernel@martin.sperl.org>2016-03-16 12:24:55 -0700
committerVinod Koul <vinod.koul@intel.com>2016-04-15 09:57:21 +0530
commit0fa5867e6a2c6119fac35b8b710bec87b4598940 (patch)
treeb728bd2b06bd8e516e98c2123b97208998901db6 /drivers/dma/bcm2835-dma.c
parentf55532a0c0b8bb6148f4e07853b876ef73bc69ca (diff)
downloadlinux-0fa5867e6a2c6119fac35b8b710bec87b4598940.tar.bz2
dmaengine: bcm2835: set residue_granularity field
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 <hias@horus.com> Signed-off-by: Noralf Trønnes <noralf@tronnes.org> Signed-off-by: Martin Sperl <kernel@martin.sperl.org> Reviewed-by: Eric Anholt <eric@anholt.net> Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma/bcm2835-dma.c')
-rw-r--r--drivers/dma/bcm2835-dma.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/dma/bcm2835-dma.c b/drivers/dma/bcm2835-dma.c
index 996c4b00d323..2d72fe81243f 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);