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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>
This commit is contained in:
Horia Geanta 2012-08-02 17:16:39 +03:00 коммит произвёл Herbert Xu
Родитель 602499a342
Коммит 2a1cfe46b1
1 изменённых файлов: 20 добавлений и 21 удалений
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41
drivers/crypto/talitos.c
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@ -716,6 +716,8 @@ badkey:
* talitos_edesc - s/w-extended descriptor
* @src_nents: number of segments in input scatterlist
* @dst_nents: number of segments in output scatterlist
* @src_chained: whether src is chained or not
* @dst_chained: whether dst is chained or not
* @dma_len: length of dma mapped link_tbl space
* @dma_link_tbl: bus physical address of link_tbl
* @desc: h/w descriptor
@ -728,8 +730,8 @@ badkey:
struct talitos_edesc {
int src_nents;
int dst_nents;
int src_is_chained;
int dst_is_chained;
bool src_chained;
bool dst_chained;
int dma_len;
dma_addr_t dma_link_tbl;
struct talitos_desc desc;
@ -738,7 +740,7 @@ struct talitos_edesc {
static int talitos_map_sg(struct device *dev, struct scatterlist *sg,
unsigned int nents, enum dma_data_direction dir,
int chained)
bool chained)
{
if (unlikely(chained))
while (sg) {
@ -768,13 +770,13 @@ static void talitos_sg_unmap(struct device *dev,
unsigned int dst_nents = edesc->dst_nents ? : 1;
if (src != dst) {
if (edesc->src_is_chained)
if (edesc->src_chained)
talitos_unmap_sg_chain(dev, src, DMA_TO_DEVICE);
else
dma_unmap_sg(dev, src, src_nents, DMA_TO_DEVICE);
if (dst) {
if (edesc->dst_is_chained)
if (edesc->dst_chained)
talitos_unmap_sg_chain(dev, dst,
DMA_FROM_DEVICE);
else
@ -782,7 +784,7 @@ static void talitos_sg_unmap(struct device *dev,
DMA_FROM_DEVICE);
}
} else
if (edesc->src_is_chained)
if (edesc->src_chained)
talitos_unmap_sg_chain(dev, src, DMA_BIDIRECTIONAL);
else
dma_unmap_sg(dev, src, src_nents, DMA_BIDIRECTIONAL);
@ -974,7 +976,7 @@ static int ipsec_esp(struct talitos_edesc *edesc, struct aead_request *areq,
sg_count = talitos_map_sg(dev, areq->src, edesc->src_nents ? : 1,
(areq->src == areq->dst) ? DMA_BIDIRECTIONAL
: DMA_TO_DEVICE,
edesc->src_is_chained);
edesc->src_chained);
if (sg_count == 1) {
to_talitos_ptr(&desc->ptr[4], sg_dma_address(areq->src));
@ -1006,8 +1008,7 @@ static int ipsec_esp(struct talitos_edesc *edesc, struct aead_request *areq,
if (areq->src != areq->dst)
sg_count = talitos_map_sg(dev, areq->dst,
edesc->dst_nents ? : 1,
DMA_FROM_DEVICE,
edesc->dst_is_chained);
DMA_FROM_DEVICE, edesc->dst_chained);
if (sg_count == 1) {
to_talitos_ptr(&desc->ptr[5], sg_dma_address(areq->dst));
@ -1053,17 +1054,17 @@ static int ipsec_esp(struct talitos_edesc *edesc, struct aead_request *areq,
/*
* derive number of elements in scatterlist
*/
static int sg_count(struct scatterlist *sg_list, int nbytes, int *chained)
static int sg_count(struct scatterlist *sg_list, int nbytes, bool *chained)
{
struct scatterlist *sg = sg_list;
int sg_nents = 0;
*chained = 0;
*chained = false;
while (nbytes > 0) {
sg_nents++;
nbytes -= sg->length;
if (!sg_is_last(sg) && (sg + 1)->length == 0)
*chained = 1;
*chained = true;
sg = scatterwalk_sg_next(sg);
}
@ -1141,7 +1142,7 @@ static struct talitos_edesc *talitos_edesc_alloc(struct device *dev,
{
struct talitos_edesc *edesc;
int src_nents, dst_nents, alloc_len, dma_len;
int src_chained, dst_chained = 0;
bool src_chained, dst_chained = false;
gfp_t flags = cryptoflags & CRYPTO_TFM_REQ_MAY_SLEEP ? GFP_KERNEL :
GFP_ATOMIC;
@ -1188,8 +1189,8 @@ static struct talitos_edesc *talitos_edesc_alloc(struct device *dev,
edesc->src_nents = src_nents;
edesc->dst_nents = dst_nents;
edesc->src_is_chained = src_chained;
edesc->dst_is_chained = dst_chained;
edesc->src_chained = src_chained;
edesc->dst_chained = dst_chained;
edesc->dma_len = dma_len;
if (dma_len)
edesc->dma_link_tbl = dma_map_single(dev, &edesc->link_tbl[0],
@ -1381,7 +1382,7 @@ static int common_nonsnoop(struct talitos_edesc *edesc,
sg_count = talitos_map_sg(dev, areq->src, edesc->src_nents ? : 1,
(areq->src == areq->dst) ? DMA_BIDIRECTIONAL
: DMA_TO_DEVICE,
edesc->src_is_chained);
edesc->src_chained);
if (sg_count == 1) {
to_talitos_ptr(&desc->ptr[3], sg_dma_address(areq->src));
@ -1408,8 +1409,7 @@ static int common_nonsnoop(struct talitos_edesc *edesc,
if (areq->src != areq->dst)
sg_count = talitos_map_sg(dev, areq->dst,
edesc->dst_nents ? : 1,
DMA_FROM_DEVICE,
edesc->dst_is_chained);
DMA_FROM_DEVICE, edesc->dst_chained);
if (sg_count == 1) {
to_talitos_ptr(&desc->ptr[4], sg_dma_address(areq->dst));
@ -1577,8 +1577,7 @@ static int common_nonsnoop_hash(struct talitos_edesc *edesc,
sg_count = talitos_map_sg(dev, req_ctx->psrc,
edesc->src_nents ? : 1,
DMA_TO_DEVICE,
edesc->src_is_chained);
DMA_TO_DEVICE, edesc->src_chained);
if (sg_count == 1) {
to_talitos_ptr(&desc->ptr[3], sg_dma_address(req_ctx->psrc));
@ -1689,7 +1688,7 @@ static int ahash_process_req(struct ahash_request *areq, unsigned int nbytes)
unsigned int nbytes_to_hash;
unsigned int to_hash_later;
unsigned int nsg;
int chained;
bool chained;
if (!req_ctx->last && (nbytes + req_ctx->nbuf <= blocksize)) {
/* Buffer up to one whole block */