1 files changed, 0 insertions, 96 deletions
diff --git a/arch/powerpc/lib/crypto/poly1305-p10-glue.c b/arch/powerpc/lib/crypto/poly1305-p10-glue.c
deleted file mode 100644
index 3f1664a724b6..000000000000
--- a/arch/powerpc/lib/crypto/poly1305-p10-glue.c
+++ /dev/null
@@ -1,96 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Poly1305 authenticator algorithm, RFC7539.
- *
- * Copyright 2023- IBM Corp. All rights reserved.
- */
-#include <asm/switch_to.h>
-#include <crypto/internal/poly1305.h>
-#include <linux/cpufeature.h>
-#include <linux/jump_label.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/unaligned.h>
-
-asmlinkage void poly1305_p10le_4blocks(struct poly1305_block_state *state, const u8 *m, u32 mlen);
-asmlinkage void poly1305_64s(struct poly1305_block_state *state, const u8 *m, u32 mlen, int highbit);
-asmlinkage void poly1305_emit_64(const struct poly1305_state *state, const u32 nonce[4], u8 digest[POLY1305_DIGEST_SIZE]);
-
-static __ro_after_init DEFINE_STATIC_KEY_FALSE(have_p10);
-
-static void vsx_begin(void)
-{
-	preempt_disable();
-	enable_kernel_vsx();
-}
-
-static void vsx_end(void)
-{
-	disable_kernel_vsx();
-	preempt_enable();
-}
-
-void poly1305_block_init_arch(struct poly1305_block_state *dctx,
-			      const u8 raw_key[POLY1305_BLOCK_SIZE])
-{
-	if (!static_key_enabled(&have_p10))
-		return poly1305_block_init_generic(dctx, raw_key);
-
-	dctx->h = (struct poly1305_state){};
-	dctx->core_r.key.r64[0] = get_unaligned_le64(raw_key + 0);
-	dctx->core_r.key.r64[1] = get_unaligned_le64(raw_key + 8);
-}
-EXPORT_SYMBOL_GPL(poly1305_block_init_arch);
-
-void poly1305_blocks_arch(struct poly1305_block_state *state, const u8 *src,
-			  unsigned int len, u32 padbit)
-{
-	if (!static_key_enabled(&have_p10))
-		return poly1305_blocks_generic(state, src, len, padbit);
-	vsx_begin();
-	if (len >= POLY1305_BLOCK_SIZE * 4) {
-		poly1305_p10le_4blocks(state, src, len);
-		src += len - (len % (POLY1305_BLOCK_SIZE * 4));
-		len %= POLY1305_BLOCK_SIZE * 4;
-	}
-	while (len >= POLY1305_BLOCK_SIZE) {
-		poly1305_64s(state, src, POLY1305_BLOCK_SIZE, padbit);
-		len -= POLY1305_BLOCK_SIZE;
-		src += POLY1305_BLOCK_SIZE;
-	}
-	vsx_end();
-}
-EXPORT_SYMBOL_GPL(poly1305_blocks_arch);
-
-void poly1305_emit_arch(const struct poly1305_state *state,
-			u8 digest[POLY1305_DIGEST_SIZE],
-			const u32 nonce[4])
-{
-	if (!static_key_enabled(&have_p10))
-		return poly1305_emit_generic(state, digest, nonce);
-	poly1305_emit_64(state, nonce, digest);
-}
-EXPORT_SYMBOL_GPL(poly1305_emit_arch);
-
-bool poly1305_is_arch_optimized(void)
-{
-	return static_key_enabled(&have_p10);
-}
-EXPORT_SYMBOL(poly1305_is_arch_optimized);
-
-static int __init poly1305_p10_init(void)
-{
-	if (cpu_has_feature(CPU_FTR_ARCH_31))
-		static_branch_enable(&have_p10);
-	return 0;
-}
-subsys_initcall(poly1305_p10_init);
-
-static void __exit poly1305_p10_exit(void)
-{
-}
-module_exit(poly1305_p10_exit);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Danny Tsen <dtsen@linux.ibm.com>");
-MODULE_DESCRIPTION("Optimized Poly1305 for P10");