Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit f7aee878 authored by Krzysztof Kozlowski's avatar Krzysztof Kozlowski Committed by Herbert Xu
Browse files

crypto: stm32_crc32 - Use existing define with polynomial 



Do not define again the polynomial but use header with existing define.

Signed-off-by: default avatarKrzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent e37f2f93

drivers/crypto/stm32/stm32_crc32.c

+4 −7
Original line number Diff line number Diff line
@@ -6,6 +6,7 @@ 


#include <linux/bitrev.h>

#include <linux/clk.h>

#include <linux/crc32poly.h>

#include <linux/module.h>

#include <linux/platform_device.h>

#include <linux/pm_runtime.h>
@@ -29,10 +30,6 @@ 
#define CRC_CR_REVERSE          (BIT(7) | BIT(6) | BIT(5))

#define CRC_INIT_DEFAULT        0xFFFFFFFF



/* Polynomial reversed */

#define POLY_CRC32              0xEDB88320

#define POLY_CRC32C             0x82F63B78



#define CRC_AUTOSUSPEND_DELAY	50



struct stm32_crc {
@@ -69,7 +66,7 @@ static int stm32_crc32_cra_init(struct crypto_tfm *tfm) 
	struct stm32_crc_ctx *mctx = crypto_tfm_ctx(tfm);



	mctx->key = CRC_INIT_DEFAULT;

	mctx->poly = POLY_CRC32;

	mctx->poly = CRC32_POLY_LE;

	return 0;

}
@@ -78,7 +75,7 @@ static int stm32_crc32c_cra_init(struct crypto_tfm *tfm) 
	struct stm32_crc_ctx *mctx = crypto_tfm_ctx(tfm);



	mctx->key = CRC_INIT_DEFAULT;

	mctx->poly = POLY_CRC32C;

	mctx->poly = CRC32C_POLY_LE;

	return 0;

}
@@ -187,7 +184,7 @@ static int stm32_crc_final(struct shash_desc *desc, u8 *out) 
	struct stm32_crc_ctx *mctx = crypto_shash_ctx(desc->tfm);



	/* Send computed CRC */

	put_unaligned_le32(mctx->poly == POLY_CRC32C ?

	put_unaligned_le32(mctx->poly == CRC32C_POLY_LE ?

			   ~ctx->partial : ctx->partial, out);



	return 0;