diff mbox

[10/10] crypto: atmel-aes: correct usage of dma_sync_* API

Message ID 1428399911-23325-11-git-send-email-leilei.zhao@atmel.com (mailing list archive)
State Accepted
Delegated to: Herbert Xu
Headers show

Commit Message

Leilei Zhao April 7, 2015, 9:45 a.m. UTC 
The output buffer is used for CPU access, so
the API should be dma_sync_single_for_cpu which
makes the cache line invalid in order to reload
the value in memory.

Signed-off-by: Leilei Zhao <leilei.zhao@atmel.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
---
 drivers/crypto/atmel-aes.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox

Patch

diff --git a/drivers/crypto/atmel-aes.c b/drivers/crypto/atmel-aes.c
index 9bd3437..aa84623 100644
--- a/drivers/crypto/atmel-aes.c
+++ b/drivers/crypto/atmel-aes.c
@@ -627,7 +627,7 @@  static int atmel_aes_crypt_dma_stop(struct atmel_aes_dev *dd)
 			dma_unmap_sg(dd->dev, dd->out_sg, 1, DMA_FROM_DEVICE);
 			dma_unmap_sg(dd->dev, dd->in_sg, 1, DMA_TO_DEVICE);
 		} else {
-			dma_sync_single_for_device(dd->dev, dd->dma_addr_out,
+			dma_sync_single_for_cpu(dd->dev, dd->dma_addr_out,
 				dd->dma_size, DMA_FROM_DEVICE);
 
 			/* copy data */