[PATCH 22/24] crypto: atmel-aes: change the DMA threshold
From: Cyrille Pitchen <hidden>
Date: 2015-12-17 17:14:30
Also in:
linux-arm-kernel, lkml
Subsystem:
crypto api, the rest · Maintainers:
Herbert Xu, "David S. Miller", Linus Torvalds
Increase the DMA threshold to 256: PIO accesses offer better performances than the DMA when processing small amounts of data. Signed-off-by: Cyrille Pitchen <redacted> --- drivers/crypto/atmel-aes.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/crypto/atmel-aes.c b/drivers/crypto/atmel-aes.c
index a34919f6b7d7..ea645b4ee997 100644
--- a/drivers/crypto/atmel-aes.c
+++ b/drivers/crypto/atmel-aes.c@@ -76,7 +76,7 @@ #define ATMEL_AES_QUEUE_LENGTH 50 -#define ATMEL_AES_DMA_THRESHOLD 16 +#define ATMEL_AES_DMA_THRESHOLD 256 struct atmel_aes_caps {
--
1.8.2.2