The get_sg_count function of amcc is the same as sg_nents_for_len from
lib/scatterlist.c
Signed-off-by: LABBE Corentin <clabbe.montjoie@xxxxxxxxx>
---
drivers/crypto/amcc/crypto4xx_core.c | 22 +---------------------
1 file changed, 1 insertion(+), 21 deletions(-)
diff --git a/drivers/crypto/amcc/crypto4xx_core.c b/drivers/crypto/amcc/crypto4xx_core.c
index 192a8fa..27288fc 100644
--- a/drivers/crypto/amcc/crypto4xx_core.c
+++ b/drivers/crypto/amcc/crypto4xx_core.c
@@ -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;
--
2.4.6
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