crypto: mv_cesa - the descriptor pointer register needs to be set just once

Signed-off-by: Phil Sutter <phil.sutter@viprinet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/drivers/crypto/mv_cesa.c b/drivers/crypto/mv_cesa.c
index c443246..889c098 100644
--- a/drivers/crypto/mv_cesa.c
+++ b/drivers/crypto/mv_cesa.c
@@ -275,7 +275,6 @@
 	memcpy(cpg->sram + SRAM_CONFIG, &op,
 			sizeof(struct sec_accel_config));
 
-	writel(SRAM_CONFIG, cpg->reg + SEC_ACCEL_DESC_P0);
 	/* GO */
 	writel(SEC_CMD_EN_SEC_ACCL0, cpg->reg + SEC_ACCEL_CMD);
 
@@ -349,7 +348,6 @@
 
 	memcpy(cpg->sram + SRAM_CONFIG, &op, sizeof(struct sec_accel_config));
 
-	writel(SRAM_CONFIG, cpg->reg + SEC_ACCEL_DESC_P0);
 	/* GO */
 	writel(SEC_CMD_EN_SEC_ACCL0, cpg->reg + SEC_ACCEL_CMD);
 
@@ -1063,6 +1061,7 @@
 
 	writel(SEC_INT_ACCEL0_DONE, cpg->reg + SEC_ACCEL_INT_MASK);
 	writel(SEC_CFG_STOP_DIG_ERR, cpg->reg + SEC_ACCEL_CFG);
+	writel(SRAM_CONFIG, cpg->reg + SEC_ACCEL_DESC_P0);
 
 	ret = crypto_register_alg(&mv_aes_alg_ecb);
 	if (ret)