Messages in this thread Patch in this message | | | From | Cyrille Pitchen <> | Subject | [PATCH 22/24] crypto: atmel-aes: change the DMA threshold | Date | Thu, 17 Dec 2015 18:13:06 +0100 |
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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 <cyrille.pitchen@atmel.com> --- 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
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