From 0a641712ef9459df5d8c19fc19e686887257b3e3 Mon Sep 17 00:00:00 2001 From: Joel Fernandes Date: Sat, 17 Aug 2013 21:42:26 -0500 Subject: crypto: omap-aes - Sync SG before DMA operation Earlier functions that did a similar sync are replaced by the dma_sync_sg_* which can operate on entire SG list. Signed-off-by: Joel Fernandes Signed-off-by: Herbert Xu --- drivers/crypto/omap-aes.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers/crypto/omap-aes.c') diff --git a/drivers/crypto/omap-aes.c b/drivers/crypto/omap-aes.c index 114c55a..4ed2a8c 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); -- cgit v1.1