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Commit 76804eb8 authored by LABBE Corentin's avatar LABBE Corentin Committed by Herbert Xu
Browse files

crypto: amcc - replace get_sg_count by sg_nents_for_len 



The get_sg_count function of amcc is the same as sg_nents_for_len from
lib/scatterlist.c

Signed-off-by: default avatarLABBE Corentin <clabbe.montjoie@gmail.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 1f6d79d7

drivers/crypto/amcc/crypto4xx_core.c

+1 −21
Original line number Diff line number Diff line
@@ -740,26 +740,6 @@ void crypto4xx_return_pd(struct crypto4xx_device *dev, 
	pd_uinfo->state = PD_ENTRY_FREE;

}



/*

 * derive number of elements in scatterlist

 * Shamlessly copy from talitos.c

 */

static int get_sg_count(struct scatterlist *sg_list, int nbytes)

{

	struct scatterlist *sg = sg_list;

	int sg_nents = 0;



	while (nbytes) {

		sg_nents++;

		if (sg->length > nbytes)

			break;

		nbytes -= sg->length;

		sg = sg_next(sg);

	}



	return sg_nents;

}



static u32 get_next_gd(u32 current)

{

	if (current != PPC4XX_LAST_GD)
@@ -800,7 +780,7 @@ u32 crypto4xx_build_pd(struct crypto_async_request *req, 
	u32 gd_idx = 0;



	/* figure how many gd is needed */

	num_gd = get_sg_count(src, datalen);

	num_gd = sg_nents_for_len(src, datalen);

	if (num_gd == 1)

		num_gd = 0;