1 files changed, 0 insertions, 147 deletions
diff --git a/arch/arm64/crypto/sha2-ce-glue.c b/arch/arm64/crypto/sha2-ce-glue.c
deleted file mode 100644
index 261f5195cab7..000000000000
--- a/arch/arm64/crypto/sha2-ce-glue.c
+++ /dev/null
@@ -1,147 +0,0 @@
-/*
- * sha2-ce-glue.c - SHA-224/SHA-256 using ARMv8 Crypto Extensions
- *
- * Copyright (C) 2014 - 2017 Linaro Ltd <ard.biesheuvel@linaro.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <asm/neon.h>
-#include <asm/simd.h>
-#include <asm/unaligned.h>
-#include <crypto/internal/hash.h>
-#include <crypto/sha.h>
-#include <crypto/sha256_base.h>
-#include <linux/cpufeature.h>
-#include <linux/crypto.h>
-#include <linux/module.h>
-
-MODULE_DESCRIPTION("SHA-224/SHA-256 secure hash using ARMv8 Crypto Extensions");
-MODULE_AUTHOR("Ard Biesheuvel <ard.biesheuvel@linaro.org>");
-MODULE_LICENSE("GPL v2");
-
-struct sha256_ce_state {
-	struct sha256_state	sst;
-	u32			finalize;
-};
-
-asmlinkage void sha2_ce_transform(struct sha256_ce_state *sst, u8 const *src,
-				  int blocks);
-
-const u32 sha256_ce_offsetof_count = offsetof(struct sha256_ce_state,
-					      sst.count);
-const u32 sha256_ce_offsetof_finalize = offsetof(struct sha256_ce_state,
-						 finalize);
-
-asmlinkage void sha256_block_data_order(u32 *digest, u8 const *src, int blocks);
-
-static int sha256_ce_update(struct shash_desc *desc, const u8 *data,
-			    unsigned int len)
-{
-	struct sha256_ce_state *sctx = shash_desc_ctx(desc);
-
-	if (!may_use_simd())
-		return sha256_base_do_update(desc, data, len,
-				(sha256_block_fn *)sha256_block_data_order);
-
-	sctx->finalize = 0;
-	kernel_neon_begin();
-	sha256_base_do_update(desc, data, len,
-			      (sha256_block_fn *)sha2_ce_transform);
-	kernel_neon_end();
-
-	return 0;
-}
-
-static int sha256_ce_finup(struct shash_desc *desc, const u8 *data,
-			   unsigned int len, u8 *out)
-{
-	struct sha256_ce_state *sctx = shash_desc_ctx(desc);
-	bool finalize = !sctx->sst.count && !(len % SHA256_BLOCK_SIZE);
-
-	if (!may_use_simd()) {
-		if (len)
-			sha256_base_do_update(desc, data, len,
-				(sha256_block_fn *)sha256_block_data_order);
-		sha256_base_do_finalize(desc,
-				(sha256_block_fn *)sha256_block_data_order);
-		return sha256_base_finish(desc, out);
-	}
-
-	/*
-	 * Allow the asm code to perform the finalization if there is no
-	 * partial data and the input is a round multiple of the block size.
-	 */
-	sctx->finalize = finalize;
-
-	kernel_neon_begin();
-	sha256_base_do_update(desc, data, len,
-			      (sha256_block_fn *)sha2_ce_transform);
-	if (!finalize)
-		sha256_base_do_finalize(desc,
-					(sha256_block_fn *)sha2_ce_transform);
-	kernel_neon_end();
-	return sha256_base_finish(desc, out);
-}
-
-static int sha256_ce_final(struct shash_desc *desc, u8 *out)
-{
-	struct sha256_ce_state *sctx = shash_desc_ctx(desc);
-
-	if (!may_use_simd()) {
-		sha256_base_do_finalize(desc,
-				(sha256_block_fn *)sha256_block_data_order);
-		return sha256_base_finish(desc, out);
-	}
-
-	sctx->finalize = 0;
-	kernel_neon_begin();
-	sha256_base_do_finalize(desc, (sha256_block_fn *)sha2_ce_transform);
-	kernel_neon_end();
-	return sha256_base_finish(desc, out);
-}
-
-static struct shash_alg algs[] = { {
-	.init			= sha224_base_init,
-	.update			= sha256_ce_update,
-	.final			= sha256_ce_final,
-	.finup			= sha256_ce_finup,
-	.descsize		= sizeof(struct sha256_ce_state),
-	.digestsize		= SHA224_DIGEST_SIZE,
-	.base			= {
-		.cra_name		= "sha224",
-		.cra_driver_name	= "sha224-ce",
-		.cra_priority		= 200,
-		.cra_blocksize		= SHA256_BLOCK_SIZE,
-		.cra_module		= THIS_MODULE,
-	}
-}, {
-	.init			= sha256_base_init,
-	.update			= sha256_ce_update,
-	.final			= sha256_ce_final,
-	.finup			= sha256_ce_finup,
-	.descsize		= sizeof(struct sha256_ce_state),
-	.digestsize		= SHA256_DIGEST_SIZE,
-	.base			= {
-		.cra_name		= "sha256",
-		.cra_driver_name	= "sha256-ce",
-		.cra_priority		= 200,
-		.cra_blocksize		= SHA256_BLOCK_SIZE,
-		.cra_module		= THIS_MODULE,
-	}
-} };
-
-static int __init sha2_ce_mod_init(void)
-{
-	return crypto_register_shashes(algs, ARRAY_SIZE(algs));
-}
-
-static void __exit sha2_ce_mod_fini(void)
-{
-	crypto_unregister_shashes(algs, ARRAY_SIZE(algs));
-}
-
-module_cpu_feature_match(SHA2, sha2_ce_mod_init);
-module_exit(sha2_ce_mod_fini);