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crypto: talitos - change type and name for [src|dst]_is_chained
It's more natural to think of these vars as bool rather than int. Signed-off-by: Horia Geanta <horia.geanta@freescale.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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602499a342
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2a1cfe46b1
1 changed files with 20 additions and 21 deletions
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@ -716,6 +716,8 @@ static int aead_setkey(struct crypto_aead *authenc,
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* talitos_edesc - s/w-extended descriptor
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* @src_nents: number of segments in input scatterlist
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* @dst_nents: number of segments in output scatterlist
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* @src_chained: whether src is chained or not
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* @dst_chained: whether dst is chained or not
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* @dma_len: length of dma mapped link_tbl space
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* @dma_link_tbl: bus physical address of link_tbl
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* @desc: h/w descriptor
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@ -728,8 +730,8 @@ static int aead_setkey(struct crypto_aead *authenc,
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struct talitos_edesc {
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int src_nents;
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int dst_nents;
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int src_is_chained;
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int dst_is_chained;
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bool src_chained;
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bool dst_chained;
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int dma_len;
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dma_addr_t dma_link_tbl;
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struct talitos_desc desc;
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@ -738,7 +740,7 @@ struct talitos_edesc {
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static int talitos_map_sg(struct device *dev, struct scatterlist *sg,
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unsigned int nents, enum dma_data_direction dir,
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int chained)
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bool chained)
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{
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if (unlikely(chained))
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while (sg) {
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@ -768,13 +770,13 @@ static void talitos_sg_unmap(struct device *dev,
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unsigned int dst_nents = edesc->dst_nents ? : 1;
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if (src != dst) {
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if (edesc->src_is_chained)
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if (edesc->src_chained)
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talitos_unmap_sg_chain(dev, src, DMA_TO_DEVICE);
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else
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dma_unmap_sg(dev, src, src_nents, DMA_TO_DEVICE);
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if (dst) {
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if (edesc->dst_is_chained)
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if (edesc->dst_chained)
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talitos_unmap_sg_chain(dev, dst,
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DMA_FROM_DEVICE);
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else
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@ -782,7 +784,7 @@ static void talitos_sg_unmap(struct device *dev,
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DMA_FROM_DEVICE);
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}
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} else
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if (edesc->src_is_chained)
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if (edesc->src_chained)
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talitos_unmap_sg_chain(dev, src, DMA_BIDIRECTIONAL);
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else
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dma_unmap_sg(dev, src, src_nents, DMA_BIDIRECTIONAL);
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@ -974,7 +976,7 @@ static int ipsec_esp(struct talitos_edesc *edesc, struct aead_request *areq,
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sg_count = talitos_map_sg(dev, areq->src, edesc->src_nents ? : 1,
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(areq->src == areq->dst) ? DMA_BIDIRECTIONAL
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: DMA_TO_DEVICE,
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edesc->src_is_chained);
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edesc->src_chained);
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if (sg_count == 1) {
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to_talitos_ptr(&desc->ptr[4], sg_dma_address(areq->src));
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@ -1006,8 +1008,7 @@ static int ipsec_esp(struct talitos_edesc *edesc, struct aead_request *areq,
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if (areq->src != areq->dst)
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sg_count = talitos_map_sg(dev, areq->dst,
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edesc->dst_nents ? : 1,
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DMA_FROM_DEVICE,
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edesc->dst_is_chained);
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DMA_FROM_DEVICE, edesc->dst_chained);
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if (sg_count == 1) {
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to_talitos_ptr(&desc->ptr[5], sg_dma_address(areq->dst));
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@ -1053,17 +1054,17 @@ static int ipsec_esp(struct talitos_edesc *edesc, struct aead_request *areq,
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/*
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* derive number of elements in scatterlist
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*/
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static int sg_count(struct scatterlist *sg_list, int nbytes, int *chained)
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static int sg_count(struct scatterlist *sg_list, int nbytes, bool *chained)
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{
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struct scatterlist *sg = sg_list;
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int sg_nents = 0;
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*chained = 0;
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*chained = false;
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while (nbytes > 0) {
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sg_nents++;
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nbytes -= sg->length;
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if (!sg_is_last(sg) && (sg + 1)->length == 0)
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*chained = 1;
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*chained = true;
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sg = scatterwalk_sg_next(sg);
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}
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@ -1141,7 +1142,7 @@ static struct talitos_edesc *talitos_edesc_alloc(struct device *dev,
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{
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struct talitos_edesc *edesc;
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int src_nents, dst_nents, alloc_len, dma_len;
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int src_chained, dst_chained = 0;
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bool src_chained, dst_chained = false;
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gfp_t flags = cryptoflags & CRYPTO_TFM_REQ_MAY_SLEEP ? GFP_KERNEL :
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GFP_ATOMIC;
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@ -1188,8 +1189,8 @@ static struct talitos_edesc *talitos_edesc_alloc(struct device *dev,
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edesc->src_nents = src_nents;
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edesc->dst_nents = dst_nents;
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edesc->src_is_chained = src_chained;
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edesc->dst_is_chained = dst_chained;
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edesc->src_chained = src_chained;
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edesc->dst_chained = dst_chained;
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edesc->dma_len = dma_len;
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if (dma_len)
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edesc->dma_link_tbl = dma_map_single(dev, &edesc->link_tbl[0],
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@ -1381,7 +1382,7 @@ static int common_nonsnoop(struct talitos_edesc *edesc,
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sg_count = talitos_map_sg(dev, areq->src, edesc->src_nents ? : 1,
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(areq->src == areq->dst) ? DMA_BIDIRECTIONAL
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: DMA_TO_DEVICE,
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edesc->src_is_chained);
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edesc->src_chained);
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if (sg_count == 1) {
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to_talitos_ptr(&desc->ptr[3], sg_dma_address(areq->src));
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@ -1408,8 +1409,7 @@ static int common_nonsnoop(struct talitos_edesc *edesc,
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if (areq->src != areq->dst)
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sg_count = talitos_map_sg(dev, areq->dst,
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edesc->dst_nents ? : 1,
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DMA_FROM_DEVICE,
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edesc->dst_is_chained);
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DMA_FROM_DEVICE, edesc->dst_chained);
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if (sg_count == 1) {
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to_talitos_ptr(&desc->ptr[4], sg_dma_address(areq->dst));
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@ -1577,8 +1577,7 @@ static int common_nonsnoop_hash(struct talitos_edesc *edesc,
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sg_count = talitos_map_sg(dev, req_ctx->psrc,
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edesc->src_nents ? : 1,
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DMA_TO_DEVICE,
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edesc->src_is_chained);
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DMA_TO_DEVICE, edesc->src_chained);
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if (sg_count == 1) {
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to_talitos_ptr(&desc->ptr[3], sg_dma_address(req_ctx->psrc));
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@ -1689,7 +1688,7 @@ static int ahash_process_req(struct ahash_request *areq, unsigned int nbytes)
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unsigned int nbytes_to_hash;
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unsigned int to_hash_later;
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unsigned int nsg;
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int chained;
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bool chained;
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if (!req_ctx->last && (nbytes + req_ctx->nbuf <= blocksize)) {
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/* Buffer up to one whole block */
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