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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>
hifive-unleashed-5.1
Herbert Xu 2015-06-11 11:28:33 +08:00
parent 72071fe43e
commit 1a5b951f25
1 changed files with 2 additions and 11 deletions
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13
drivers/crypto/picoxcell_crypto.c
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@ -262,18 +262,9 @@ static unsigned spacc_load_ctx(struct spacc_generic_ctx *ctx,
}
/* Count the number of scatterlist entries in a scatterlist. */
static int sg_count(struct scatterlist *sg_list, int nbytes)
static inline int sg_count(struct scatterlist *sg_list, int nbytes)
{
struct scatterlist *sg = sg_list;
int sg_nents = 0;
while (nbytes > 0) {
++sg_nents;
nbytes -= sg->length;
sg = sg_next(sg);
}
return sg_nents;
return sg_nents_for_len(sg_list, nbytes);
}
static inline void ddt_set(struct spacc_ddt *ddt, dma_addr_t phys, size_t len)