1 files changed, 0 insertions, 50 deletions
diff --git a/arch/arm64/crypto/aes-ctr-fallback.h b/arch/arm64/crypto/aes-ctr-fallback.h
deleted file mode 100644
index 3ac911990ec7..000000000000
--- a/arch/arm64/crypto/aes-ctr-fallback.h
+++ /dev/null
@@ -1,50 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Fallback for sync aes(ctr) in contexts where kernel mode NEON
- * is not allowed
- *
- * Copyright (C) 2017 Linaro Ltd <ard.biesheuvel@linaro.org>
- */
-
-#include <crypto/aes.h>
-#include <crypto/internal/skcipher.h>
-
-asmlinkage void __aes_arm64_encrypt(u32 *rk, u8 *out, const u8 *in, int rounds);
-
-static inline int aes_ctr_encrypt_fallback(struct crypto_aes_ctx *ctx,
-					   struct skcipher_request *req)
-{
-	struct skcipher_walk walk;
-	u8 buf[AES_BLOCK_SIZE];
-	int err;
-
-	err = skcipher_walk_virt(&walk, req, true);
-
-	while (walk.nbytes > 0) {
-		u8 *dst = walk.dst.virt.addr;
-		u8 *src = walk.src.virt.addr;
-		int nbytes = walk.nbytes;
-		int tail = 0;
-
-		if (nbytes < walk.total) {
-			nbytes = round_down(nbytes, AES_BLOCK_SIZE);
-			tail = walk.nbytes % AES_BLOCK_SIZE;
-		}
-
-		do {
-			int bsize = min(nbytes, AES_BLOCK_SIZE);
-
-			__aes_arm64_encrypt(ctx->key_enc, buf, walk.iv,
-					    6 + ctx->key_length / 4);
-			crypto_xor_cpy(dst, src, buf, bsize);
-			crypto_inc(walk.iv, AES_BLOCK_SIZE);
-
-			dst += AES_BLOCK_SIZE;
-			src += AES_BLOCK_SIZE;
-			nbytes -= AES_BLOCK_SIZE;
-		} while (nbytes > 0);
-
-		err = skcipher_walk_done(&walk, tail);
-	}
-	return err;
-}