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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:
b015555327
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>
hifive-unleashed-5.1
Martin Sperl 2016-03-16 12:24:55 -07:00 committed by Vinod Koul
parent f55532a0c0
commit 0fa5867e6a
1 changed files with 1 additions and 0 deletions
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1
drivers/dma/bcm2835-dma.c
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@ -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);