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path: root/drivers/crypto/atmel-aes.c
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Diffstat (limited to 'drivers/crypto/atmel-aes.c')
-rw-r--r--drivers/crypto/atmel-aes.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/crypto/atmel-aes.c b/drivers/crypto/atmel-aes.c
index 15c7dbd0a13d..fb760664d28f 100644
--- a/drivers/crypto/atmel-aes.c
+++ b/drivers/crypto/atmel-aes.c
@@ -315,10 +315,10 @@ static int atmel_aes_crypt_dma(struct atmel_aes_dev *dd,
dd->dma_size = length;
- if (!(dd->flags & AES_FLAGS_FAST)) {
- dma_sync_single_for_device(dd->dev, dma_addr_in, length,
- DMA_TO_DEVICE);
- }
+ dma_sync_single_for_device(dd->dev, dma_addr_in, length,
+ DMA_TO_DEVICE);
+ dma_sync_single_for_device(dd->dev, dma_addr_out, length,
+ DMA_FROM_DEVICE);
if (dd->flags & AES_FLAGS_CFB8) {
dd->dma_lch_in.dma_conf.dst_addr_width =
@@ -391,6 +391,11 @@ static int atmel_aes_crypt_cpu_start(struct atmel_aes_dev *dd)
{
dd->flags &= ~AES_FLAGS_DMA;
+ dma_sync_single_for_cpu(dd->dev, dd->dma_addr_in,
+ dd->dma_size, DMA_TO_DEVICE);
+ dma_sync_single_for_cpu(dd->dev, dd->dma_addr_out,
+ dd->dma_size, DMA_FROM_DEVICE);
+
/* use cache buffers */
dd->nb_in_sg = atmel_aes_sg_length(dd->req, dd->in_sg);
if (!dd->nb_in_sg)
@@ -459,6 +464,9 @@ static int atmel_aes_crypt_dma_start(struct atmel_aes_dev *dd)
dd->flags |= AES_FLAGS_FAST;
} else {
+ dma_sync_single_for_cpu(dd->dev, dd->dma_addr_in,
+ dd->dma_size, DMA_TO_DEVICE);
+
/* use cache buffers */
count = atmel_aes_sg_copy(&dd->in_sg, &dd->in_offset,
dd->buf_in, dd->buflen, dd->total, 0);