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Subject[PATCH 1/2] Fix a bug about BUG_ON() on DMA engine capability DMA_INTERRUPT.
Date
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>
---
drivers/dma/dmaengine.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
index 2996523..8db0e7f 100644
--- a/drivers/dma/dmaengine.c
+++ b/drivers/dma/dmaengine.c
@@ -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);
--
1.5.4


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