diff options
Diffstat (limited to 'drivers/dma/dmaengine.c')
| -rw-r--r-- | drivers/dma/dmaengine.c | 7 | 
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c index d9f7c097cfd6..2cfa8458b51b 100644 --- a/drivers/dma/dmaengine.c +++ b/drivers/dma/dmaengine.c @@ -1159,6 +1159,13 @@ int dma_async_device_register(struct dma_device *device)  		return -EIO;  	} +	if (dma_has_cap(DMA_MEMCPY_SG, device->cap_mask) && !device->device_prep_dma_memcpy_sg) { +		dev_err(device->dev, +			"Device claims capability %s, but op is not defined\n", +			"DMA_MEMCPY_SG"); +		return -EIO; +	} +  	if (dma_has_cap(DMA_XOR, device->cap_mask) && !device->device_prep_dma_xor) {  		dev_err(device->dev,  			"Device claims capability %s, but op is not defined\n",  |