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authorHerbert Xu <herbert@gondor.apana.org.au>2015-06-10 23:28:33 -0400
committerHerbert Xu <herbert@gondor.apana.org.au>2015-06-12 10:45:08 -0400
commit1a5b951f256d772a4ab758bda3a0667b788c0d2a (patch)
tree7e73b3a2ee63c0450c77cf34681f52ba6b0cc5b4 /drivers/crypto
parent72071fe43e8dad13f2a30897876d72463d46d065 (diff)
crypto: picoxcell - Make use of sg_nents_for_len
This patch makes use of the new sg_nents_for_len helper to replace the custom sg_count function. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto')
-rw-r--r--drivers/crypto/picoxcell_crypto.c13
1 files changed, 2 insertions, 11 deletions
diff --git a/drivers/crypto/picoxcell_crypto.c b/drivers/crypto/picoxcell_crypto.c
index aabf9d4f8e2e..9eb27c71cedf 100644
--- a/drivers/crypto/picoxcell_crypto.c
+++ b/drivers/crypto/picoxcell_crypto.c
@@ -262,18 +262,9 @@ static unsigned spacc_load_ctx(struct spacc_generic_ctx *ctx,
262} 262}
263 263
264/* Count the number of scatterlist entries in a scatterlist. */ 264/* Count the number of scatterlist entries in a scatterlist. */
265static int sg_count(struct scatterlist *sg_list, int nbytes) 265static inline int sg_count(struct scatterlist *sg_list, int nbytes)
266{ 266{
267 struct scatterlist *sg = sg_list; 267 return sg_nents_for_len(sg_list, nbytes);
268 int sg_nents = 0;
269
270 while (nbytes > 0) {
271 ++sg_nents;
272 nbytes -= sg->length;
273 sg = sg_next(sg);
274 }
275
276 return sg_nents;
277} 268}
278 269
279static inline void ddt_set(struct spacc_ddt *ddt, dma_addr_t phys, size_t len) 270static inline void ddt_set(struct spacc_ddt *ddt, dma_addr_t phys, size_t len)