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Revision eb72d5207008db54c659fd34f341672decc306ae authored by Charles Keepax on 19 September 2023, 11:03:20 UTC, committed by Linus Torvalds on 23 September 2023, 18:10:23 UTC 
mfd: cs42l43: Use correct macro for new-style PM runtime ops
 
The code was accidentally mixing new and old style macros, update the
macros used to remove an unused function warning whilst building with
no PM enabled in the config.

Fixes: ace6d1448138 ("mfd: cs42l43: Add support for cs42l43 core driver")
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/all/20230822114914.340359-1-ckeepax@opensource.cirrus.com/
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Tested-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Lee Jones <lee@kernel.org>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
1 parent 93397d3
Raw File
sm3_generic.c 
// SPDX-License-Identifier: GPL-2.0-only
/*
 * SM3 secure hash, as specified by OSCCA GM/T 0004-2012 SM3 and
 * described at https://tools.ietf.org/html/draft-shen-sm3-hash-01
 *
 * Copyright (C) 2017 ARM Limited or its affiliates.
 * Written by Gilad Ben-Yossef <gilad@benyossef.com>
 * Copyright (C) 2021 Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
 */

#include <crypto/internal/hash.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/mm.h>
#include <linux/types.h>
#include <crypto/sm3.h>
#include <crypto/sm3_base.h>
#include <linux/bitops.h>
#include <asm/byteorder.h>
#include <asm/unaligned.h>

const u8 sm3_zero_message_hash[SM3_DIGEST_SIZE] = {
	0x1A, 0xB2, 0x1D, 0x83, 0x55, 0xCF, 0xA1, 0x7F,
	0x8e, 0x61, 0x19, 0x48, 0x31, 0xE8, 0x1A, 0x8F,
	0x22, 0xBE, 0xC8, 0xC7, 0x28, 0xFE, 0xFB, 0x74,
	0x7E, 0xD0, 0x35, 0xEB, 0x50, 0x82, 0xAA, 0x2B
};
EXPORT_SYMBOL_GPL(sm3_zero_message_hash);

static int crypto_sm3_update(struct shash_desc *desc, const u8 *data,
			  unsigned int len)
{
	sm3_update(shash_desc_ctx(desc), data, len);
	return 0;
}

static int crypto_sm3_final(struct shash_desc *desc, u8 *out)
{
	sm3_final(shash_desc_ctx(desc), out);
	return 0;
}

static int crypto_sm3_finup(struct shash_desc *desc, const u8 *data,
			unsigned int len, u8 *hash)
{
	struct sm3_state *sctx = shash_desc_ctx(desc);

	if (len)
		sm3_update(sctx, data, len);
	sm3_final(sctx, hash);
	return 0;
}

static struct shash_alg sm3_alg = {
	.digestsize	=	SM3_DIGEST_SIZE,
	.init		=	sm3_base_init,
	.update		=	crypto_sm3_update,
	.final		=	crypto_sm3_final,
	.finup		=	crypto_sm3_finup,
	.descsize	=	sizeof(struct sm3_state),
	.base		=	{
		.cra_name	 =	"sm3",
		.cra_driver_name =	"sm3-generic",
		.cra_priority	=	100,
		.cra_blocksize	 =	SM3_BLOCK_SIZE,
		.cra_module	 =	THIS_MODULE,
	}
};

static int __init sm3_generic_mod_init(void)
{
	return crypto_register_shash(&sm3_alg);
}

static void __exit sm3_generic_mod_fini(void)
{
	crypto_unregister_shash(&sm3_alg);
}

subsys_initcall(sm3_generic_mod_init);
module_exit(sm3_generic_mod_fini);

MODULE_LICENSE("GPL v2");
MODULE_DESCRIPTION("SM3 Secure Hash Algorithm");

MODULE_ALIAS_CRYPTO("sm3");
MODULE_ALIAS_CRYPTO("sm3-generic");
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