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driver: crypto: mask CRYPTO_SYNC_LOCKSTEP_INT_ST flag 

This flag maybe abnormal trigger.

Change-Id: Id398d1e8636c28b8cc42d950cafa5e2731a41b62
Signed-off-by: Lin Jinhan <troy.lin@rock-chips.com>
This commit is contained in:
Lin Jinhan 2020-11-24 10:50:10 +08:00 committed by Jianhong Chen
parent 94d677da26
commit 00fa57d80d
2 changed files with 8 additions and 2 deletions
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7
drivers/crypto/rockchip/crypto_v2.c
View File

@ -233,7 +233,7 @@ static int rk_hash_direct_calc(void *hw_data, const u8 *data,
struct rk_hash_ctx *hash_ctx = priv->hw_ctx;
struct crypto_lli_desc *lli = &hash_ctx->data_lli;
int ret = -EINVAL;
u32 tmp = 0;
u32 tmp = 0, mask = 0;
assert(IS_ALIGNED((ulong)data, DATA_ADDR_ALIGIN_SIZE));
assert(is_last || IS_ALIGNED(data_len, DATA_LEN_ALIGIN_SIZE));
@ -274,8 +274,11 @@ static int rk_hash_direct_calc(void *hw_data, const u8 *data,
crypto_write(tmp << CRYPTO_WRITE_MASK_SHIFT | tmp,
CRYPTO_DMA_CTL);
/* mask CRYPTO_SYNC_LOCKSTEP_INT_ST flag */
mask = ~(mask | CRYPTO_SYNC_LOCKSTEP_INT_ST);
/* wait calc ok */
RK_WHILE_TIME_OUT(!crypto_read(CRYPTO_DMA_INT_ST),
RK_WHILE_TIME_OUT(!(crypto_read(CRYPTO_DMA_INT_ST) & mask),
RK_CRYPTO_TIME_OUT, ret);
/* clear interrupt status */

3
include/rockchip/crypto_v2.h
View File

@ -81,6 +81,8 @@ enum rk_hash_algo {
/* Crypto DMA control registers*/
#define CRYPTO_DMA_INT_EN 0x0008
#define CRYPTO_NOSYNC_LOCKSTEP_INT_EN _BIT(8)
#define CRYPTO_SYNC_LOCKSTEP_INT_EN _BIT(7)
#define CRYPTO_ZERO_ERR_INT_EN _BIT(6)
#define CRYPTO_LIST_ERR_INT_EN _BIT(5)
#define CRYPTO_SRC_ERR_INT_EN _BIT(4)
@ -90,6 +92,7 @@ enum rk_hash_algo {
#define CRYPTO_LIST_DONE_INT_EN _BIT(0)
#define CRYPTO_DMA_INT_ST 0x000C
#define CRYPTO_SYNC_LOCKSTEP_INT_ST _BIT(7)
#define CRYPTO_ZERO_LEN_INT_ST _BIT(6)
#define CRYPTO_LIST_ERR_INT_ST _BIT(5)
#define CRYPTO_SRC_ERR_INT_ST _BIT(4)