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dmaengine: Fix a bug about BUG_ON() on DMA engine capability DMA_INTERRUPT.

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The device->device_prep_dma_interrupt function is used by
DMA_INTERRUPT capability, not DMA_ZERO_SUM.

Signed-off-by: Zhang Wei <wei.zhang@freescale.com>
Acked-by: Maciej Sosnowski <maciej.sosnowski@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Zhang Wei 2008-03-13 17:45:28 -07:00 committed by Dan Williams
parent 56822843ff
commit 9b941c6660
1 changed files with 1 additions and 1 deletions
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2
drivers/dma/dmaengine.c
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@ -357,7 +357,7 @@ int dma_async_device_register(struct dma_device *device)
!device->device_prep_dma_zero_sum);
BUG_ON(dma_has_cap(DMA_MEMSET, device->cap_mask) &&
!device->device_prep_dma_memset);
BUG_ON(dma_has_cap(DMA_ZERO_SUM, device->cap_mask) &&
BUG_ON(dma_has_cap(DMA_INTERRUPT, device->cap_mask) &&
!device->device_prep_dma_interrupt);
BUG_ON(!device->device_alloc_chan_resources);