Remove duplicate configuration of CRPT->SHA_CTL/CRPT->HMAC_CTL in SHA alter.

Author: ccli8

features/mbedtls/targets/TARGET_NUVOTON/TARGET_M480/sha/sha_alt_hw.c

@@ -156,7 +156,7 @@ void mbedtls_sha256_hw_starts( crypto_sha_context *ctx, int is224)
 
     SHA_Open(is224 ? SHA_MODE_SHA224 : SHA_MODE_SHA256, SHA_NO_SWAP, 0);
 
-    // Ensure we have correct initial inernal states in SHA_DGST registers even though SHA H/W is not actually started.
+    // Ensure we have correct initial internal states in SHA_DGST registers even though SHA H/W is not actually started.
     CRPT->HMAC_CTL |= CRPT_HMAC_CTL_START_Msk;
 
     return;
@@ -237,7 +237,7 @@ void mbedtls_sha512_hw_starts( crypto_sha_context *ctx, int is384)
 
     SHA_Open(is384 ? SHA_MODE_SHA384 : SHA_MODE_SHA512, SHA_NO_SWAP, 0);
 
-    // Ensure we have correct initial inernal states in SHA_DGST registers even though SHA H/W is not actually started.
+    // Ensure we have correct initial internal states in SHA_DGST registers even though SHA H/W is not actually started.
     CRPT->HMAC_CTL |= CRPT_HMAC_CTL_START_Msk;
 
     return;
@@ -325,8 +325,6 @@ void crypto_sha_update_nobuf(crypto_sha_context *ctx, const unsigned char *input
     uint32_t DGSTs[16] = { 0 };
 
     while (rmn > 0) {
-        CRPT->HMAC_CTL = sha_ctl_start;
-
         uint32_t data = nu_get32_be(in_pos);
         if (rmn <= 4) { // Last word of a (in)complete block
             if (islast) {

features/mbedtls/targets/TARGET_NUVOTON/TARGET_NUC472/sha/sha_alt_hw.c

@@ -76,7 +76,7 @@ void mbedtls_sha1_hw_starts(crypto_sha_context *ctx)
 
     SHA_Open(SHA_MODE_SHA1, SHA_NO_SWAP);
 
-    // Ensure we have correct initial inernal states in SHA_DGST registers even though SHA H/W is not actually started.
+    // Ensure we have correct initial internal states in SHA_DGST registers even though SHA H/W is not actually started.
     CRPT->SHA_CTL |= CRPT_SHA_CTL_START_Msk;
 
     return;
@@ -156,7 +156,7 @@ void mbedtls_sha256_hw_starts( crypto_sha_context *ctx, int is224)
 
     SHA_Open(is224 ? SHA_MODE_SHA224 : SHA_MODE_SHA256, SHA_NO_SWAP);
 
-    // Ensure we have correct initial inernal states in SHA_DGST registers even though SHA H/W is not actually started.
+    // Ensure we have correct initial internal states in SHA_DGST registers even though SHA H/W is not actually started.
     CRPT->SHA_CTL |= CRPT_SHA_CTL_START_Msk;
 
     return;
@@ -244,8 +244,6 @@ void crypto_sha_update_nobuf(crypto_sha_context *ctx, const unsigned char *input
     uint32_t DGSTs[8] = { 0 };
 
     while (rmn > 0) {
-        CRPT->SHA_CTL = sha_ctl_start;
-
         uint32_t data = nu_get32_be(in_pos);
         if (rmn <= 4) { // Last word of a (in)complete block
             if (islast) {