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dmaengine fixes for v4.18-rc4

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- Driver fixes for k3dma (off by one), pl330 (burst residue granularity)
    and omap-dma (incorrect residue_granularity)
  - Sinan's email update
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Merge tag 'dmaengine-fix-4.18-rc4' of git://git.infradead.org/users/vkoul/slave-dma

Pull dmaengine fixes from Vinod Koul:
 "We have few odd driver fixes and one email update change for you this
  time:

   - Driver fixes for k3dma (off by one), pl330 (burst residue
     granularity) and omap-dma (incorrect residue_granularity)

   - Sinan's email update"

* tag 'dmaengine-fix-4.18-rc4' of git://git.infradead.org/users/vkoul/slave-dma:
  dmaengine: k3dma: Off by one in k3_of_dma_simple_xlate()
  dmaengine: pl330: report BURST residue granularity
  MAINTAINERS: Update email-id of Sinan Kaya
  dmaengine: ti: omap-dma: Fix OMAP1510 incorrect residue_granularity
This commit is contained in:
Linus Torvalds 2018-07-07 17:29:08 -07:00
parent ea9561cfc9 c4c2b7644c
commit 89ac2233d3
4 changed files with 8 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
MAINTAINERS
View file

@ -11835,7 +11835,7 @@ S: Supported
F: arch/hexagon/
QUALCOMM HIDMA DRIVER
M: Sinan Kaya <okaya@codeaurora.org>
M: Sinan Kaya <okaya@kernel.org>
L: linux-arm-kernel@lists.infradead.org
L: linux-arm-msm@vger.kernel.org
L: dmaengine@vger.kernel.org

2
drivers/dma/k3dma.c
View file

@ -794,7 +794,7 @@ static struct dma_chan *k3_of_dma_simple_xlate(struct of_phandle_args *dma_spec,
struct k3_dma_dev *d = ofdma->of_dma_data;
unsigned int request = dma_spec->args[0];
if (request > d->dma_requests)
if (request >= d->dma_requests)
return NULL;
return dma_get_slave_channel(&(d->chans[request].vc.chan));

2
drivers/dma/pl330.c
View file

@ -3033,7 +3033,7 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id)
pd->src_addr_widths = PL330_DMA_BUSWIDTHS;
pd->dst_addr_widths = PL330_DMA_BUSWIDTHS;
pd->directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);
pd->residue_granularity = DMA_RESIDUE_GRANULARITY_SEGMENT;
pd->residue_granularity = DMA_RESIDUE_GRANULARITY_BURST;
pd->max_burst = ((pl330->quirks & PL330_QUIRK_BROKEN_NO_FLUSHP) ?
1 : PL330_MAX_BURST);

6
drivers/dma/ti/omap-dma.c
View file

@ -1485,7 +1485,11 @@ static int omap_dma_probe(struct platform_device *pdev)
od->ddev.src_addr_widths = OMAP_DMA_BUSWIDTHS;
od->ddev.dst_addr_widths = OMAP_DMA_BUSWIDTHS;
od->ddev.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);
od->ddev.residue_granularity = DMA_RESIDUE_GRANULARITY_BURST;
if (__dma_omap15xx(od->plat->dma_attr))
od->ddev.residue_granularity =
DMA_RESIDUE_GRANULARITY_DESCRIPTOR;
else
od->ddev.residue_granularity = DMA_RESIDUE_GRANULARITY_BURST;
od->ddev.max_burst = SZ_16M - 1; /* CCEN: 24bit unsigned */
od->ddev.dev = &pdev->dev;
INIT_LIST_HEAD(&od->ddev.channels);