diff options
Diffstat (limited to 'drivers/crypto/caam/sg_sw_qm.h')
| -rw-r--r-- | drivers/crypto/caam/sg_sw_qm.h | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/crypto/caam/sg_sw_qm.h b/drivers/crypto/caam/sg_sw_qm.h index b3e1aaaeffea..d56cc7efbc13 100644 --- a/drivers/crypto/caam/sg_sw_qm.h +++ b/drivers/crypto/caam/sg_sw_qm.h @@ -54,15 +54,19 @@ static inline void dma_to_qm_sg_one_last_ext(struct qm_sg_entry *qm_sg_ptr, * but does not have final bit; instead, returns last entry */ static inline struct qm_sg_entry * -sg_to_qm_sg(struct scatterlist *sg, int sg_count, +sg_to_qm_sg(struct scatterlist *sg, int len, struct qm_sg_entry *qm_sg_ptr, u16 offset) { - while (sg_count && sg) { - dma_to_qm_sg_one(qm_sg_ptr, sg_dma_address(sg), - sg_dma_len(sg), offset); + int ent_len; + + while (len) { + ent_len = min_t(int, sg_dma_len(sg), len); + + dma_to_qm_sg_one(qm_sg_ptr, sg_dma_address(sg), ent_len, + offset); qm_sg_ptr++; sg = sg_next(sg); - sg_count--; + len -= ent_len; } return qm_sg_ptr - 1; } @@ -71,10 +75,10 @@ sg_to_qm_sg(struct scatterlist *sg, int sg_count, * convert scatterlist to h/w link table format * scatterlist must have been previously dma mapped */ -static inline void sg_to_qm_sg_last(struct scatterlist *sg, int sg_count, +static inline void sg_to_qm_sg_last(struct scatterlist *sg, int len, struct qm_sg_entry *qm_sg_ptr, u16 offset) { - qm_sg_ptr = sg_to_qm_sg(sg, sg_count, qm_sg_ptr, offset); + qm_sg_ptr = sg_to_qm_sg(sg, len, qm_sg_ptr, offset); qm_sg_entry_set_f(qm_sg_ptr, qm_sg_entry_get_len(qm_sg_ptr)); } |