1 files changed, 0 insertions, 75 deletions
diff --git a/arch/riscv/lib/crypto/chacha-riscv64-glue.c b/arch/riscv/lib/crypto/chacha-riscv64-glue.c
deleted file mode 100644
index 8c3f11d79be3..000000000000
--- a/arch/riscv/lib/crypto/chacha-riscv64-glue.c
+++ /dev/null
@@ -1,75 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * ChaCha stream cipher (RISC-V optimized)
- *
- * Copyright (C) 2023 SiFive, Inc.
- * Author: Jerry Shih <jerry.shih@sifive.com>
- */
-
-#include <asm/simd.h>
-#include <asm/vector.h>
-#include <crypto/chacha.h>
-#include <crypto/internal/simd.h>
-#include <linux/linkage.h>
-#include <linux/module.h>
-
-static __ro_after_init DEFINE_STATIC_KEY_FALSE(use_zvkb);
-
-asmlinkage void chacha_zvkb(struct chacha_state *state, const u8 *in, u8 *out,
-			    size_t nblocks, int nrounds);
-
-void hchacha_block_arch(const struct chacha_state *state,
-			u32 out[HCHACHA_OUT_WORDS], int nrounds)
-{
-	hchacha_block_generic(state, out, nrounds);
-}
-EXPORT_SYMBOL(hchacha_block_arch);
-
-void chacha_crypt_arch(struct chacha_state *state, u8 *dst, const u8 *src,
-		       unsigned int bytes, int nrounds)
-{
-	u8 block_buffer[CHACHA_BLOCK_SIZE];
-	unsigned int full_blocks = bytes / CHACHA_BLOCK_SIZE;
-	unsigned int tail_bytes = bytes % CHACHA_BLOCK_SIZE;
-
-	if (!static_branch_likely(&use_zvkb) || !crypto_simd_usable())
-		return chacha_crypt_generic(state, dst, src, bytes, nrounds);
-
-	kernel_vector_begin();
-	if (full_blocks) {
-		chacha_zvkb(state, src, dst, full_blocks, nrounds);
-		src += full_blocks * CHACHA_BLOCK_SIZE;
-		dst += full_blocks * CHACHA_BLOCK_SIZE;
-	}
-	if (tail_bytes) {
-		memcpy(block_buffer, src, tail_bytes);
-		chacha_zvkb(state, block_buffer, block_buffer, 1, nrounds);
-		memcpy(dst, block_buffer, tail_bytes);
-	}
-	kernel_vector_end();
-}
-EXPORT_SYMBOL(chacha_crypt_arch);
-
-bool chacha_is_arch_optimized(void)
-{
-	return static_key_enabled(&use_zvkb);
-}
-EXPORT_SYMBOL(chacha_is_arch_optimized);
-
-static int __init riscv64_chacha_mod_init(void)
-{
-	if (riscv_isa_extension_available(NULL, ZVKB) &&
-	    riscv_vector_vlen() >= 128)
-		static_branch_enable(&use_zvkb);
-	return 0;
-}
-subsys_initcall(riscv64_chacha_mod_init);
-
-static void __exit riscv64_chacha_mod_exit(void)
-{
-}
-module_exit(riscv64_chacha_mod_exit);
-
-MODULE_DESCRIPTION("ChaCha stream cipher (RISC-V optimized)");
-MODULE_AUTHOR("Jerry Shih <jerry.shih@sifive.com>");
-MODULE_LICENSE("GPL");