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| author | David S. Miller <davem@davemloft.net> | 2015-03-09 23:38:02 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-03-09 23:38:02 -0400 |
| commit | 3cef5c5b0b56f3f90b0e9ff8d3f8dc57f464cc14 (patch) | |
| tree | 02e95f15bd8a04071a9a36f534a92a066a8ce66a /drivers/dma/mmp_pdma.c | |
| parent | 8ac467e837a24eb024177b4b01013d8e6764913a (diff) | |
| parent | affb8172de395a6e1db52ed9790ca0456d8c29a9 (diff) | |
| download | linux-3cef5c5b0b56f3f90b0e9ff8d3f8dc57f464cc14.tar.gz linux-3cef5c5b0b56f3f90b0e9ff8d3f8dc57f464cc14.tar.bz2 linux-3cef5c5b0b56f3f90b0e9ff8d3f8dc57f464cc14.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
drivers/net/ethernet/cadence/macb.c
Overlapping changes in macb driver, mostly fixes and cleanups
in 'net' overlapping with the integration of at91_ether into
macb in 'net-next'.
Signed-off-by: David S. Miller <davem@davemloft.net>
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); |