[PATCH 13/24] crypto: atmel-aes: reduce latency of DMA completion
Cyrille Pitchen
cyrille.pitchen at atmel.com
Thu Dec 17 08:48:44 PST 2015
atmel_aes_dma_callback() now directly calls the 'resume' callback instead
of scheduling the done task, which in turn only calls the very same
'resume' callback.
Signed-off-by: Cyrille Pitchen <cyrille.pitchen at atmel.com>
---
drivers/crypto/atmel-aes.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/crypto/atmel-aes.c b/drivers/crypto/atmel-aes.c
index 25dc7bd73532..8a2b3e81c087 100644
--- a/drivers/crypto/atmel-aes.c
+++ b/drivers/crypto/atmel-aes.c
@@ -337,8 +337,8 @@ static void atmel_aes_dma_callback(void *data)
{
struct atmel_aes_dev *dd = data;
- /* dma_lch_out - completed */
- tasklet_schedule(&dd->done_task);
+ dd->is_async = true;
+ (void)dd->resume(dd);
}
static int atmel_aes_crypt_dma(struct atmel_aes_dev *dd,
--
1.8.2.2
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