From 11be0107ab1a893121ff31325e1bf82d843ea4dc Mon Sep 17 00:00:00 2001 From: =?utf8?q?Antoine=20T=C3=A9nart?= Date: Thu, 1 Jun 2017 21:38:55 +0200 Subject: [PATCH] crypto: sun4i-ss - use lower/upper_32_bits helpers Replace custom bit shifts and masks with lower/upper_32_bits helpers. Signed-off-by: Antoine Tenart Tested-by: Corentin Labbe Acked-by: Corentin Labbe Signed-off-by: Herbert Xu --- 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 39f0abe..e53c312 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 @@ hash_final: /* 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); -- 2.7.4