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path: root/drivers/crypto/omap-aes.c
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Diffstat (limited to 'drivers/crypto/omap-aes.c')
-rw-r--r--drivers/crypto/omap-aes.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/crypto/omap-aes.c b/drivers/crypto/omap-aes.c
index 114c55a59efe..4ed2a8c40394 100644
--- a/drivers/crypto/omap-aes.c
+++ b/drivers/crypto/omap-aes.c
@@ -484,6 +484,8 @@ static int omap_aes_crypt_dma(struct crypto_tfm *tfm,
struct dma_slave_config cfg;
int ret;
+ dma_sync_sg_for_device(dd->dev, dd->in_sg, in_sg_len, DMA_TO_DEVICE);
+
memset(&cfg, 0, sizeof(cfg));
cfg.src_addr = dd->phys_base + AES_REG_DATA_N(dd, 0);
@@ -670,6 +672,8 @@ static void omap_aes_done_task(unsigned long data)
pr_debug("enter done_task\n");
+ dma_sync_sg_for_cpu(dd->dev, dd->in_sg, dd->in_sg_len, DMA_FROM_DEVICE);
+
omap_aes_crypt_dma_stop(dd);
omap_aes_finish_req(dd, 0);
omap_aes_handle_queue(dd, NULL);