diff options
Diffstat (limited to 'drivers/crypto/sahara.c')
| -rw-r--r-- | drivers/crypto/sahara.c | 30 |
1 files changed, 3 insertions, 27 deletions
diff --git a/drivers/crypto/sahara.c b/drivers/crypto/sahara.c index 820dc3acb28c..cea241125938 100644 --- a/drivers/crypto/sahara.c +++ b/drivers/crypto/sahara.c @@ -274,30 +274,6 @@ static u32 sahara_aes_data_link_hdr(struct sahara_dev *dev) SAHARA_HDR_CHA_SKHA | SAHARA_HDR_PARITY_BIT; } -static int sahara_sg_length(struct scatterlist *sg, - unsigned int total) -{ - int sg_nb; - unsigned int len; - struct scatterlist *sg_list; - - sg_nb = 0; - sg_list = sg; - - while (total) { - len = min(sg_list->length, total); - - sg_nb++; - total -= len; - - sg_list = sg_next(sg_list); - if (!sg_list) - total = 0; - } - - return sg_nb; -} - static char *sahara_err_src[16] = { "No error", "Header error", @@ -502,8 +478,8 @@ static int sahara_hw_descriptor_create(struct sahara_dev *dev) idx++; } - dev->nb_in_sg = sahara_sg_length(dev->in_sg, dev->total); - dev->nb_out_sg = sahara_sg_length(dev->out_sg, dev->total); + dev->nb_in_sg = sg_nents_for_len(dev->in_sg, dev->total); + dev->nb_out_sg = sg_nents_for_len(dev->out_sg, dev->total); if ((dev->nb_in_sg + dev->nb_out_sg) > SAHARA_MAX_HW_LINK) { dev_err(dev->device, "not enough hw links (%d)\n", dev->nb_in_sg + dev->nb_out_sg); @@ -818,7 +794,7 @@ static int sahara_sha_hw_links_create(struct sahara_dev *dev, dev->in_sg = rctx->in_sg; - dev->nb_in_sg = sahara_sg_length(dev->in_sg, rctx->total); + dev->nb_in_sg = sg_nents_for_len(dev->in_sg, rctx->total); if ((dev->nb_in_sg) > SAHARA_MAX_HW_LINK) { dev_err(dev->device, "not enough hw links (%d)\n", dev->nb_in_sg + dev->nb_out_sg); |