diff options
| -rw-r--r-- | drivers/dma/dw_dmac.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c index 2b0d5e99ae71..e5d97bf9264a 100644 --- a/drivers/dma/dw_dmac.c +++ b/drivers/dma/dw_dmac.c @@ -583,7 +583,9 @@ dwc_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dest, dma_addr_t src, * We can be a lot more clever here, but this should take care * of the most common optimization. */ - if (!((src | dest | len) & 3)) + if (!((src | dest | len) & 7)) + src_width = dst_width = 3; + else if (!((src | dest | len) & 3)) src_width = dst_width = 2; else if (!((src | dest | len) & 1)) src_width = dst_width = 1; |