1 files changed, 0 insertions, 73 deletions
diff --git a/arch/arm64/lib/crc-t10dif.c b/arch/arm64/lib/crc-t10dif.c
deleted file mode 100644
index c2ffe4fdb59d..000000000000
--- a/arch/arm64/lib/crc-t10dif.c
+++ /dev/null
@@ -1,73 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Accelerated CRC-T10DIF using arm64 NEON and Crypto Extensions instructions
- *
- * Copyright (C) 2016 - 2017 Linaro Ltd <ard.biesheuvel@linaro.org>
- */
-
-#include <linux/cpufeature.h>
-#include <linux/crc-t10dif.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/string.h>
-
-#include <crypto/internal/simd.h>
-
-#include <asm/neon.h>
-#include <asm/simd.h>
-
-static __ro_after_init DEFINE_STATIC_KEY_FALSE(have_asimd);
-static __ro_after_init DEFINE_STATIC_KEY_FALSE(have_pmull);
-
-#define CRC_T10DIF_PMULL_CHUNK_SIZE	16U
-
-asmlinkage void crc_t10dif_pmull_p8(u16 init_crc, const u8 *buf, size_t len,
-				    u8 out[16]);
-asmlinkage u16 crc_t10dif_pmull_p64(u16 init_crc, const u8 *buf, size_t len);
-
-u16 crc_t10dif_arch(u16 crc, const u8 *data, size_t length)
-{
-	if (length >= CRC_T10DIF_PMULL_CHUNK_SIZE) {
-		if (static_branch_likely(&have_pmull)) {
-			if (crypto_simd_usable()) {
-				kernel_neon_begin();
-				crc = crc_t10dif_pmull_p64(crc, data, length);
-				kernel_neon_end();
-				return crc;
-			}
-		} else if (length > CRC_T10DIF_PMULL_CHUNK_SIZE &&
-			   static_branch_likely(&have_asimd) &&
-			   crypto_simd_usable()) {
-			u8 buf[16];
-
-			kernel_neon_begin();
-			crc_t10dif_pmull_p8(crc, data, length, buf);
-			kernel_neon_end();
-
-			return crc_t10dif_generic(0, buf, sizeof(buf));
-		}
-	}
-	return crc_t10dif_generic(crc, data, length);
-}
-EXPORT_SYMBOL(crc_t10dif_arch);
-
-static int __init crc_t10dif_arm64_init(void)
-{
-	if (cpu_have_named_feature(ASIMD)) {
-		static_branch_enable(&have_asimd);
-		if (cpu_have_named_feature(PMULL))
-			static_branch_enable(&have_pmull);
-	}
-	return 0;
-}
-subsys_initcall(crc_t10dif_arm64_init);
-
-static void __exit crc_t10dif_arm64_exit(void)
-{
-}
-module_exit(crc_t10dif_arm64_exit);
-
-MODULE_AUTHOR("Ard Biesheuvel <ard.biesheuvel@linaro.org>");
-MODULE_DESCRIPTION("CRC-T10DIF using arm64 NEON and Crypto Extensions");
-MODULE_LICENSE("GPL v2");