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dmaengine: Revert "drivers/dma: remove unused support for MEMSET operations"

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This reverts commit 48a9db462d.

Some platforms actually need support for the memset operations. Bring it back.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Maxime Ripard
2015-05-18 13:46:15 +02:00
committed by Vinod Koul
parent fbea28a2af
commit 4983a501af
2 changed files with 26 additions and 0 deletions
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2
drivers/dma/dmaengine.c
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@@ -832,6 +832,8 @@ int dma_async_device_register(struct dma_device *device)
!device->device_prep_dma_pq);
BUG_ON(dma_has_cap(DMA_PQ_VAL, device->cap_mask) &&
!device->device_prep_dma_pq_val);
BUG_ON(dma_has_cap(DMA_MEMSET, device->cap_mask) &&
!device->device_prep_dma_memset);
BUG_ON(dma_has_cap(DMA_INTERRUPT, device->cap_mask) &&
!device->device_prep_dma_interrupt);
BUG_ON(dma_has_cap(DMA_SG, device->cap_mask) &&