diff options
| author | Dave Airlie <airlied@redhat.com> | 2015-03-09 19:58:30 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2015-03-09 19:58:30 +1000 |
| commit | a8c6ecb3be7029881f7c95e5e201a629094a4e1a (patch) | |
| tree | eb006541f40528f51334eefc725f155c4ce386a6 /drivers/dma/mmp_pdma.c | |
| parent | 8dd0eb3566711d81bfbe2b4421b33f0dd723cec4 (diff) | |
| parent | 9eccca0843205f87c00404b663188b88eb248051 (diff) | |
Merge tag 'v4.0-rc3' into drm-next
Linux 4.0-rc3 backmerge to fix two i915 conflicts, and get
some mainline bug fixes needed for my testing box
Conflicts:
drivers/gpu/drm/i915/i915_drv.h
drivers/gpu/drm/i915/intel_display.c
Diffstat (limited to 'drivers/dma/mmp_pdma.c')
| -rw-r--r-- | drivers/dma/mmp_pdma.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/dma/mmp_pdma.c b/drivers/dma/mmp_pdma.c index 8926f271904e..eb410044e1af 100644 --- a/drivers/dma/mmp_pdma.c +++ b/drivers/dma/mmp_pdma.c @@ -219,6 +219,9 @@ static irqreturn_t mmp_pdma_int_handler(int irq, void *dev_id) while (dint) { i = __ffs(dint); + /* only handle interrupts belonging to pdma driver*/ + if (i >= pdev->dma_channels) + break; dint &= (dint - 1); phy = &pdev->phy[i]; ret = mmp_pdma_chan_handler(irq, phy); @@ -999,6 +1002,9 @@ static int mmp_pdma_probe(struct platform_device *op) struct resource *iores; int i, ret, irq = 0; int dma_channels = 0, irq_num = 0; + const enum dma_slave_buswidth widths = + DMA_SLAVE_BUSWIDTH_1_BYTE | DMA_SLAVE_BUSWIDTH_2_BYTES | + DMA_SLAVE_BUSWIDTH_4_BYTES; pdev = devm_kzalloc(&op->dev, sizeof(*pdev), GFP_KERNEL); if (!pdev) @@ -1066,6 +1072,10 @@ static int mmp_pdma_probe(struct platform_device *op) pdev->device.device_config = mmp_pdma_config; pdev->device.device_terminate_all = mmp_pdma_terminate_all; pdev->device.copy_align = PDMA_ALIGNMENT; + pdev->device.src_addr_widths = widths; + pdev->device.dst_addr_widths = widths; + pdev->device.directions = BIT(DMA_MEM_TO_DEV) | BIT(DMA_DEV_TO_MEM); + pdev->device.residue_granularity = DMA_RESIDUE_GRANULARITY_DESCRIPTOR; if (pdev->dev->coherent_dma_mask) dma_set_mask(pdev->dev, pdev->dev->coherent_dma_mask); |