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| author | Martin Sperl <kernel@martin.sperl.org> | 2016-03-16 12:24:55 -0700 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2016-04-15 09:57:21 +0530 |
| commit | 0fa5867e6a2c6119fac35b8b710bec87b4598940 (patch) | |
| tree | b728bd2b06bd8e516e98c2123b97208998901db6 /drivers/dma/bcm2835-dma.c | |
| parent | f55532a0c0b8bb6148f4e07853b876ef73bc69ca (diff) | |
| download | linux-0fa5867e6a2c6119fac35b8b710bec87b4598940.tar.gz linux-0fa5867e6a2c6119fac35b8b710bec87b4598940.tar.bz2 linux-0fa5867e6a2c6119fac35b8b710bec87b4598940.zip | |
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.c | 1 |
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); |