1 files changed, 0 insertions, 99 deletions
diff --git a/arch/arm64/lib/crc32.c b/arch/arm64/lib/crc32.c
deleted file mode 100644
index ed3acd71178f..000000000000
--- a/arch/arm64/lib/crc32.c
+++ /dev/null
@@ -1,99 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-
-#include <linux/crc32.h>
-#include <linux/linkage.h>
-#include <linux/module.h>
-
-#include <asm/alternative.h>
-#include <asm/cpufeature.h>
-#include <asm/neon.h>
-#include <asm/simd.h>
-
-#include <crypto/internal/simd.h>
-
-// The minimum input length to consider the 4-way interleaved code path
-static const size_t min_len = 1024;
-
-asmlinkage u32 crc32_le_arm64(u32 crc, unsigned char const *p, size_t len);
-asmlinkage u32 crc32c_le_arm64(u32 crc, unsigned char const *p, size_t len);
-asmlinkage u32 crc32_be_arm64(u32 crc, unsigned char const *p, size_t len);
-
-asmlinkage u32 crc32_le_arm64_4way(u32 crc, unsigned char const *p, size_t len);
-asmlinkage u32 crc32c_le_arm64_4way(u32 crc, unsigned char const *p, size_t len);
-asmlinkage u32 crc32_be_arm64_4way(u32 crc, unsigned char const *p, size_t len);
-
-u32 crc32_le_arch(u32 crc, const u8 *p, size_t len)
-{
-	if (!alternative_has_cap_likely(ARM64_HAS_CRC32))
-		return crc32_le_base(crc, p, len);
-
-	if (len >= min_len && cpu_have_named_feature(PMULL) && crypto_simd_usable()) {
-		kernel_neon_begin();
-		crc = crc32_le_arm64_4way(crc, p, len);
-		kernel_neon_end();
-
-		p += round_down(len, 64);
-		len %= 64;
-
-		if (!len)
-			return crc;
-	}
-
-	return crc32_le_arm64(crc, p, len);
-}
-EXPORT_SYMBOL(crc32_le_arch);
-
-u32 crc32c_arch(u32 crc, const u8 *p, size_t len)
-{
-	if (!alternative_has_cap_likely(ARM64_HAS_CRC32))
-		return crc32c_base(crc, p, len);
-
-	if (len >= min_len && cpu_have_named_feature(PMULL) && crypto_simd_usable()) {
-		kernel_neon_begin();
-		crc = crc32c_le_arm64_4way(crc, p, len);
-		kernel_neon_end();
-
-		p += round_down(len, 64);
-		len %= 64;
-
-		if (!len)
-			return crc;
-	}
-
-	return crc32c_le_arm64(crc, p, len);
-}
-EXPORT_SYMBOL(crc32c_arch);
-
-u32 crc32_be_arch(u32 crc, const u8 *p, size_t len)
-{
-	if (!alternative_has_cap_likely(ARM64_HAS_CRC32))
-		return crc32_be_base(crc, p, len);
-
-	if (len >= min_len && cpu_have_named_feature(PMULL) && crypto_simd_usable()) {
-		kernel_neon_begin();
-		crc = crc32_be_arm64_4way(crc, p, len);
-		kernel_neon_end();
-
-		p += round_down(len, 64);
-		len %= 64;
-
-		if (!len)
-			return crc;
-	}
-
-	return crc32_be_arm64(crc, p, len);
-}
-EXPORT_SYMBOL(crc32_be_arch);
-
-u32 crc32_optimizations(void)
-{
-	if (alternative_has_cap_likely(ARM64_HAS_CRC32))
-		return CRC32_LE_OPTIMIZATION |
-		       CRC32_BE_OPTIMIZATION |
-		       CRC32C_OPTIMIZATION;
-	return 0;
-}
-EXPORT_SYMBOL(crc32_optimizations);
-
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("arm64-optimized CRC32 functions");