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2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

 kernel/arch/arm/crypto/sha256_neon_glue.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * Glue code for the SHA256 Secure Hash Algorithm assembly implementation
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  * using NEON instructions.
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@@ -6,16 +7,10 @@
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  *
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  * This file is based on sha512_neon_glue.c:
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  *   Copyright © 2014 Jussi Kivilinna <jussi.kivilinna@iki.fi>
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- *
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- * This program is free software; you can redistribute it and/or modify it
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- * under the terms of the GNU General Public License as published by the Free
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- * Software Foundation; either version 2 of the License, or (at your option)
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- * any later version.
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- *
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  */
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 #include <crypto/internal/hash.h>
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-#include <linux/cryptohash.h>
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+#include <crypto/internal/simd.h>
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 #include <linux/types.h>
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 #include <linux/string.h>
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 #include <crypto/sha.h>
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@@ -29,12 +24,12 @@
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 asmlinkage void sha256_block_data_order_neon(u32 *digest, const void *data,
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 					     unsigned int num_blks);
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-static int sha256_update(struct shash_desc *desc, const u8 *data,
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-			 unsigned int len)
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+static int crypto_sha256_neon_update(struct shash_desc *desc, const u8 *data,
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+				     unsigned int len)
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 {
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 	struct sha256_state *sctx = shash_desc_ctx(desc);
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-	if (!may_use_simd() ||
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+	if (!crypto_simd_usable() ||
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 	    (sctx->count % SHA256_BLOCK_SIZE) + len < SHA256_BLOCK_SIZE)
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 		return crypto_sha256_arm_update(desc, data, len);
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@@ -46,10 +41,10 @@
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 	return 0;
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 }
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-static int sha256_finup(struct shash_desc *desc, const u8 *data,
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-			unsigned int len, u8 *out)
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+static int crypto_sha256_neon_finup(struct shash_desc *desc, const u8 *data,
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+				    unsigned int len, u8 *out)
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 {
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-	if (!may_use_simd())
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+	if (!crypto_simd_usable())
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 		return crypto_sha256_arm_finup(desc, data, len, out);
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 	kernel_neon_begin();
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@@ -63,17 +58,17 @@
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 	return sha256_base_finish(desc, out);
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 }
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-static int sha256_final(struct shash_desc *desc, u8 *out)
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+static int crypto_sha256_neon_final(struct shash_desc *desc, u8 *out)
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 {
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-	return sha256_finup(desc, NULL, 0, out);
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+	return crypto_sha256_neon_finup(desc, NULL, 0, out);
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 }
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 struct shash_alg sha256_neon_algs[] = { {
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 	.digestsize	=	SHA256_DIGEST_SIZE,
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 	.init		=	sha256_base_init,
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-	.update		=	sha256_update,
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-	.final		=	sha256_final,
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-	.finup		=	sha256_finup,
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+	.update		=	crypto_sha256_neon_update,
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+	.final		=	crypto_sha256_neon_final,
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+	.finup		=	crypto_sha256_neon_finup,
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 	.descsize	=	sizeof(struct sha256_state),
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 	.base		=	{
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 		.cra_name	=	"sha256",
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@@ -85,9 +80,9 @@
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 }, {
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 	.digestsize	=	SHA224_DIGEST_SIZE,
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 	.init		=	sha224_base_init,
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-	.update		=	sha256_update,
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-	.final		=	sha256_final,
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-	.finup		=	sha256_finup,
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+	.update		=	crypto_sha256_neon_update,
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+	.final		=	crypto_sha256_neon_final,
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+	.finup		=	crypto_sha256_neon_finup,
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 	.descsize	=	sizeof(struct sha256_state),
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 	.base		=	{
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 		.cra_name	=	"sha224",