1 files changed, 0 insertions, 126 deletions
diff --git a/arch/powerpc/crypto/crct10dif-vpmsum_glue.c b/arch/powerpc/crypto/crct10dif-vpmsum_glue.c
deleted file mode 100644
index 1dc8b6915178..000000000000
--- a/arch/powerpc/crypto/crct10dif-vpmsum_glue.c
+++ /dev/null
@@ -1,126 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Calculate a CRC T10-DIF with vpmsum acceleration
- *
- * Copyright 2017, Daniel Axtens, IBM Corporation.
- * [based on crc32c-vpmsum_glue.c]
- */
-
-#include <linux/crc-t10dif.h>
-#include <crypto/internal/hash.h>
-#include <crypto/internal/simd.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/string.h>
-#include <linux/kernel.h>
-#include <linux/cpufeature.h>
-#include <asm/simd.h>
-#include <asm/switch_to.h>
-
-#define VMX_ALIGN		16
-#define VMX_ALIGN_MASK		(VMX_ALIGN-1)
-
-#define VECTOR_BREAKPOINT	64
-
-u32 __crct10dif_vpmsum(u32 crc, unsigned char const *p, size_t len);
-
-static u16 crct10dif_vpmsum(u16 crci, unsigned char const *p, size_t len)
-{
-	unsigned int prealign;
-	unsigned int tail;
-	u32 crc = crci;
-
-	if (len < (VECTOR_BREAKPOINT + VMX_ALIGN) || !crypto_simd_usable())
-		return crc_t10dif_generic(crc, p, len);
-
-	if ((unsigned long)p & VMX_ALIGN_MASK) {
-		prealign = VMX_ALIGN - ((unsigned long)p & VMX_ALIGN_MASK);
-		crc = crc_t10dif_generic(crc, p, prealign);
-		len -= prealign;
-		p += prealign;
-	}
-
-	if (len & ~VMX_ALIGN_MASK) {
-		crc <<= 16;
-		preempt_disable();
-		pagefault_disable();
-		enable_kernel_altivec();
-		crc = __crct10dif_vpmsum(crc, p, len & ~VMX_ALIGN_MASK);
-		disable_kernel_altivec();
-		pagefault_enable();
-		preempt_enable();
-		crc >>= 16;
-	}
-
-	tail = len & VMX_ALIGN_MASK;
-	if (tail) {
-		p += len & ~VMX_ALIGN_MASK;
-		crc = crc_t10dif_generic(crc, p, tail);
-	}
-
-	return crc & 0xffff;
-}
-
-static int crct10dif_vpmsum_init(struct shash_desc *desc)
-{
-	u16 *crc = shash_desc_ctx(desc);
-
-	*crc = 0;
-	return 0;
-}
-
-static int crct10dif_vpmsum_update(struct shash_desc *desc, const u8 *data,
-			    unsigned int length)
-{
-	u16 *crc = shash_desc_ctx(desc);
-
-	*crc = crct10dif_vpmsum(*crc, data, length);
-
-	return 0;
-}
-
-
-static int crct10dif_vpmsum_final(struct shash_desc *desc, u8 *out)
-{
-	u16 *crcp = shash_desc_ctx(desc);
-
-	*(u16 *)out = *crcp;
-	return 0;
-}
-
-static struct shash_alg alg = {
-	.init		= crct10dif_vpmsum_init,
-	.update		= crct10dif_vpmsum_update,
-	.final		= crct10dif_vpmsum_final,
-	.descsize	= CRC_T10DIF_DIGEST_SIZE,
-	.digestsize	= CRC_T10DIF_DIGEST_SIZE,
-	.base		= {
-		.cra_name		= "crct10dif",
-		.cra_driver_name	= "crct10dif-vpmsum",
-		.cra_priority		= 200,
-		.cra_blocksize		= CRC_T10DIF_BLOCK_SIZE,
-		.cra_module		= THIS_MODULE,
-	}
-};
-
-static int __init crct10dif_vpmsum_mod_init(void)
-{
-	if (!cpu_has_feature(CPU_FTR_ARCH_207S))
-		return -ENODEV;
-
-	return crypto_register_shash(&alg);
-}
-
-static void __exit crct10dif_vpmsum_mod_fini(void)
-{
-	crypto_unregister_shash(&alg);
-}
-
-module_cpu_feature_match(PPC_MODULE_FEATURE_VEC_CRYPTO, crct10dif_vpmsum_mod_init);
-module_exit(crct10dif_vpmsum_mod_fini);
-
-MODULE_AUTHOR("Daniel Axtens <dja@axtens.net>");
-MODULE_DESCRIPTION("CRCT10DIF using vector polynomial multiply-sum instructions");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS_CRYPTO("crct10dif");
-MODULE_ALIAS_CRYPTO("crct10dif-vpmsum");