linux-kernel - [PATCH -next] crypto: atmel-aes - convert to use be32_add

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Message-ID: <20200914041746.3701896-1-liushixin2@huawei.com>
Date:   Mon, 14 Sep 2020 12:17:46 +0800
From:   Liu Shixin <liushixin2@...wei.com>
To:     "David S . Miller" <davem@...emloft.net>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>
CC:     <linux-crypto@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, Liu Shixin <liushixin2@...wei.com>
Subject: [PATCH -next] crypto: atmel-aes - convert to use be32_add_cpu()

Convert cpu_to_be32(be32_to_cpu(E1) + E2) to use be32_add_cpu().

Signed-off-by: Liu Shixin <liushixin2@...wei.com>
---
 drivers/crypto/atmel-aes.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/crypto/atmel-aes.c b/drivers/crypto/atmel-aes.c
index a6e14491e080..b1d286004295 100644
--- a/drivers/crypto/atmel-aes.c
+++ b/drivers/crypto/atmel-aes.c
@@ -1539,7 +1539,7 @@ static int atmel_aes_gcm_length(struct atmel_aes_dev *dd)
 
 	/* Write incr32(J0) into IV. */
 	j0_lsw = j0[3];
-	j0[3] = cpu_to_be32(be32_to_cpu(j0[3]) + 1);
+	be32_add_cpu(&j0[3], 1);
 	atmel_aes_write_block(dd, AES_IVR(0), j0);
 	j0[3] = j0_lsw;
 
-- 
2.25.1