dmaengine: Fix a bug about BUG_ON() on DMA engine capability DMA_INTERRUPT.
Zhang Wei [Fri, 14 Mar 2008 00:45:28 +0000 (17:45 -0700)]
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>

drivers/dma/dmaengine.c

index 2996523..8db0e7f 100644 (file)
@@ -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);