The qce driver use a modified version of sg_nents_for_len
called qce_countsg.
This function is now availlable in lib/scatterlist.c

Replace qce_countsg by sg_nents_len_chained

Signed-off-by: LABBE Corentin <clabbe.montj...@gmail.com>
---
 drivers/crypto/qce/ablkcipher.c |  8 ++++----
 drivers/crypto/qce/dma.c        | 19 -------------------
 drivers/crypto/qce/dma.h        |  1 -
 drivers/crypto/qce/sha.c        |  4 ++--
 4 files changed, 6 insertions(+), 26 deletions(-)

diff --git a/drivers/crypto/qce/ablkcipher.c b/drivers/crypto/qce/ablkcipher.c
index ad592de..215bbd2 100644
--- a/drivers/crypto/qce/ablkcipher.c
+++ b/drivers/crypto/qce/ablkcipher.c
@@ -80,11 +80,11 @@ qce_ablkcipher_async_req_handle(struct crypto_async_request 
*async_req)
        dir_src = diff_dst ? DMA_TO_DEVICE : DMA_BIDIRECTIONAL;
        dir_dst = diff_dst ? DMA_FROM_DEVICE : DMA_BIDIRECTIONAL;
 
-       rctx->src_nents = qce_countsg(req->src, req->nbytes,
-                                     &rctx->src_chained);
+       rctx->src_nents = sg_nents_len_chained(req->src, req->nbytes,
+                                              &rctx->src_chained);
        if (diff_dst) {
-               rctx->dst_nents = qce_countsg(req->dst, req->nbytes,
-                                             &rctx->dst_chained);
+               rctx->dst_nents = sg_nents_len_chained(req->dst, req->nbytes,
+                                                      &rctx->dst_chained);
        } else {
                rctx->dst_nents = rctx->src_nents;
                rctx->dst_chained = rctx->src_chained;
diff --git a/drivers/crypto/qce/dma.c b/drivers/crypto/qce/dma.c
index 378cb76..c18aaca 100644
--- a/drivers/crypto/qce/dma.c
+++ b/drivers/crypto/qce/dma.c
@@ -87,25 +87,6 @@ void qce_unmapsg(struct device *dev, struct scatterlist *sg, 
int nents,
                dma_unmap_sg(dev, sg, nents, dir);
 }
 
-int qce_countsg(struct scatterlist *sglist, int nbytes, bool *chained)
-{
-       struct scatterlist *sg = sglist;
-       int nents = 0;
-
-       if (chained)
-               *chained = false;
-
-       while (nbytes > 0 && sg) {
-               nents++;
-               nbytes -= sg->length;
-               if (!sg_is_last(sg) && (sg + 1)->length == 0 && chained)
-                       *chained = true;
-               sg = sg_next(sg);
-       }
-
-       return nents;
-}
-
 struct scatterlist *
 qce_sgtable_add(struct sg_table *sgt, struct scatterlist *new_sgl)
 {
diff --git a/drivers/crypto/qce/dma.h b/drivers/crypto/qce/dma.h
index 65bedb8..4653e2d8 100644
--- a/drivers/crypto/qce/dma.h
+++ b/drivers/crypto/qce/dma.h
@@ -49,7 +49,6 @@ int qce_dma_prep_sgs(struct qce_dma_data *dma, struct 
scatterlist *sg_in,
                     dma_async_tx_callback cb, void *cb_param);
 void qce_dma_issue_pending(struct qce_dma_data *dma);
 int qce_dma_terminate_all(struct qce_dma_data *dma);
-int qce_countsg(struct scatterlist *sg_list, int nbytes, bool *chained);
 void qce_unmapsg(struct device *dev, struct scatterlist *sg, int nents,
                 enum dma_data_direction dir, bool chained);
 int qce_mapsg(struct device *dev, struct scatterlist *sg, int nents,
diff --git a/drivers/crypto/qce/sha.c b/drivers/crypto/qce/sha.c
index be2f504..69c9495 100644
--- a/drivers/crypto/qce/sha.c
+++ b/drivers/crypto/qce/sha.c
@@ -92,8 +92,8 @@ static int qce_ahash_async_req_handle(struct 
crypto_async_request *async_req)
                rctx->authklen = AES_KEYSIZE_128;
        }
 
-       rctx->src_nents = qce_countsg(req->src, req->nbytes,
-                                     &rctx->src_chained);
+       rctx->src_nents = sg_nents_len_chained(req->src, req->nbytes,
+                                              &rctx->src_chained);
        ret = qce_mapsg(qce->dev, req->src, rctx->src_nents, DMA_TO_DEVICE,
                        rctx->src_chained);
        if (ret < 0)
-- 
2.4.6

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