From: Antoine Tenart Subject: [PATCH v2 03/12] crypto: sun4i-ss: use lower/upper_32_bits helpers Date: Mon, 29 May 2017 22:27:29 +0200 Message-ID: <20170529202738.2167-4-antoine.tenart@free-electrons.com> References: <20170529202738.2167-1-antoine.tenart@free-electrons.com> Cc: Antoine Tenart , linux-crypto@vger.kernel.org, linux-arm-kernel@lists.infradead.org To: herbert@gondor.apana.org.au, davem@davemloft.net, maxime.ripard@free-electrons.com, wens@csie.org, clabbe.montjoie@gmail.com Return-path: Received: from mail.free-electrons.com ([62.4.15.54]:36575 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751130AbdE2U2N (ORCPT ); Mon, 29 May 2017 16:28:13 -0400 In-Reply-To: <20170529202738.2167-1-antoine.tenart@free-electrons.com> Sender: linux-crypto-owner@vger.kernel.org List-ID: Replace custom bit shifts and masks with lower/upper_32_bits helpers. Signed-off-by: Antoine Tenart --- drivers/crypto/sunxi-ss/sun4i-ss-hash.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/crypto/sunxi-ss/sun4i-ss-hash.c b/drivers/crypto/sunxi-ss/sun4i-ss-hash.c index 39f0abe5ee25..e53c3127b743 100644 --- a/drivers/crypto/sunxi-ss/sun4i-ss-hash.c +++ b/drivers/crypto/sunxi-ss/sun4i-ss-hash.c @@ -188,7 +188,6 @@ static int sun4i_hash(struct ahash_request *areq) struct sg_mapping_iter mi; int in_r, err = 0, zeros; size_t copied = 0; - __be64 bits; dev_dbg(ss->dev, "%s %s bc=%llu len=%u mode=%x wl=%u h0=%0x", __func__, crypto_tfm_alg_name(areq->base.tfm), @@ -423,12 +422,13 @@ static int sun4i_hash(struct ahash_request *areq) /* write the length of data */ if (op->mode == SS_OP_SHA1) { - bits = cpu_to_be64(op->byte_count << 3); - bf[j++] = bits & 0xffffffff; - bf[j++] = (bits >> 32) & 0xffffffff; + __be64 bits = cpu_to_be64(op->byte_count << 3); + bf[j++] = lower_32_bits(bits); + bf[j++] = upper_32_bits(bits); } else { - bf[j++] = (op->byte_count << 3) & 0xffffffff; - bf[j++] = (op->byte_count >> 29) & 0xffffffff; + __le64 bits = op->byte_count << 3; + bf[j++] = lower_32_bits(bits); + bf[j++] = upper_32_bits(bits); } writesl(ss->base + SS_RXFIFO, bf, j); -- 2.9.4