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Groups > linux.kernel > #1359245
| From | Eric Anholt <eric@anholt.net> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 1/8] dmaengine: bcm2835: set residue_granularity field |
| Date | 2016-03-16 20:30 +0100 |
| Message-ID | <rdpiP-4Or-27@gated-at.bofh.it> (permalink) |
| References | <rdpiO-4Or-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
From: Martin Sperl <kernel@martin.sperl.org> 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> --- 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); -- 2.7.0
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[PATCH 0/8 v4] bcm2835 DMA slave support Eric Anholt <eric@anholt.net> - 2016-03-16 20:30 +0100 [PATCH 5/8] dmaengine: bcm2835: move controlblock chain generation into separate method Eric Anholt <eric@anholt.net> - 2016-03-16 20:30 +0100 [PATCH 6/8] dmaengine: bcm2835: limit max length based on channel type Eric Anholt <eric@anholt.net> - 2016-03-16 20:30 +0100 [PATCH 8/8] dmaengine: bcm2835: add dma_memcopy support to bcm2835-dma Eric Anholt <eric@anholt.net> - 2016-03-16 20:30 +0100 [PATCH 1/8] dmaengine: bcm2835: set residue_granularity field Eric Anholt <eric@anholt.net> - 2016-03-16 20:30 +0100 [PATCH 7/8] dmaengine: bcm2835: add slave_sg support to bcm2835-dma Eric Anholt <eric@anholt.net> - 2016-03-16 20:30 +0100 [PATCH 4/8] dmaengine: bcm2835: move cyclic member from bcm2835_chan into bcm2835_desc Eric Anholt <eric@anholt.net> - 2016-03-16 20:30 +0100 [PATCH 2/8] dmaengine: bcm2835: remove unnecessary masking of dma channels Eric Anholt <eric@anholt.net> - 2016-03-16 20:30 +0100 [PATCH 3/8] dmaengine: bcm2835: add additional defines for DMA-registers Eric Anholt <eric@anholt.net> - 2016-03-16 20:30 +0100 Re: [PATCH 0/8 v4] bcm2835 DMA slave support Martin Sperl <martin@sperl.org> - 2016-03-17 11:30 +0100 Re: [PATCH 0/8 v4] bcm2835 DMA slave support Martin Sperl <kernel@martin.sperl.org> - 2016-03-17 14:20 +0100
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