From ee1fd870ee09ea5636b3d7a73769cd699241c77c Mon Sep 17 00:00:00 2001 From: Igal Liberman Date: Thu, 15 Jun 2017 09:56:21 +0200 Subject: [PATCH] crypto: inside-secure - optimize DSE bufferability control Configure the data write bufferability to always buffer packets in the DSE. This change slightly improves performance. Signed-off-by: Igal Liberman Signed-off-by: Antoine Tenart Signed-off-by: Herbert Xu --- drivers/crypto/inside-secure/safexcel.c | 1 + drivers/crypto/inside-secure/safexcel.h | 1 + 2 files changed, 2 insertions(+) diff --git a/drivers/crypto/inside-secure/safexcel.c b/drivers/crypto/inside-secure/safexcel.c index 658b307c6a11..73f4ef8d71f3 100644 --- a/drivers/crypto/inside-secure/safexcel.c +++ b/drivers/crypto/inside-secure/safexcel.c @@ -329,6 +329,7 @@ static int safexcel_hw_init(struct safexcel_crypto_priv *priv) val = EIP197_HIA_DSE_CFG_DIS_DEBUG; val |= EIP197_HIA_DxE_CFG_MIN_DATA_SIZE(7) | EIP197_HIA_DxE_CFG_MAX_DATA_SIZE(8); val |= EIP197_HIA_DxE_CFG_DATA_CACHE_CTRL(WR_CACHE_3BITS); + val |= EIP197_HIA_DSE_CFG_ALLWAYS_BUFFERABLE; val |= EIP197_HIA_DSE_CFG_EN_SINGLE_WR; writel(val, priv->base + EIP197_HIA_DSE_CFG); diff --git a/drivers/crypto/inside-secure/safexcel.h b/drivers/crypto/inside-secure/safexcel.h index b8a81c568c99..7e3cbb9ac98e 100644 --- a/drivers/crypto/inside-secure/safexcel.h +++ b/drivers/crypto/inside-secure/safexcel.h @@ -139,6 +139,7 @@ #define EIP197_HIA_DxE_CFG_MIN_DATA_SIZE(n) ((n) << 0) #define EIP197_HIA_DxE_CFG_DATA_CACHE_CTRL(n) (((n) & 0x7) << 4) #define EIP197_HIA_DxE_CFG_MAX_DATA_SIZE(n) ((n) << 8) +#define EIP197_HIA_DSE_CFG_ALLWAYS_BUFFERABLE GENMASK(15, 14) #define EIP197_HIA_DxE_CFG_MIN_CTRL_SIZE(n) ((n) << 16) #define EIP197_HIA_DxE_CFG_CTRL_CACHE_CTRL(n) (((n) & 0x7) << 20) #define EIP197_HIA_DxE_CFG_MAX_CTRL_SIZE(n) ((n) << 24) -- 2.20.1