crypto: mv_cesa - Execute some code via function pointers rathr than direct calls

Execute some code via function pointers rathr than direct calls
(to allow customization in the hashing request)

Signed-off-by: Uri Simchoni <uri@jdland.co.il>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 9 insertions, 4 deletions

diff --git a/drivers/crypto/mv_cesa.c b/drivers/crypto/mv_cesa.c
index 4262932d4a27..2b4f07aa89e8 100644
--- a/drivers/crypto/mv_cesa.c
+++ b/drivers/crypto/mv_cesa.c
@@ -51,6 +51,8 @@ enum engine_status {
 struct req_progress {
         struct sg_mapping_iter src_sg_it;
         struct sg_mapping_iter dst_sg_it;
+        void (*complete) (void);
+        void (*process) (int is_first);
 
         /* src mostly */
         int sg_src_left;
@@ -251,6 +253,9 @@ static void mv_crypto_algo_completion(void)
         struct ablkcipher_request *req = ablkcipher_request_cast(cpg->cur_req);
         struct mv_req_ctx *req_ctx = ablkcipher_request_ctx(req);
 
+        sg_miter_stop(&cpg->p.src_sg_it);
+        sg_miter_stop(&cpg->p.dst_sg_it);
+
         if (req_ctx->op != COP_AES_CBC)
                 return ;
 
@@ -294,11 +299,9 @@ static void dequeue_complete_req(void)
         if (cpg->p.hw_processed_bytes < cpg->p.hw_nbytes) {
                 /* process next scatter list entry */
                 cpg->eng_st = ENGINE_BUSY;
-                mv_process_current_q(0);
+                cpg->p.process(0);
         } else {
-                sg_miter_stop(&cpg->p.src_sg_it);
-                sg_miter_stop(&cpg->p.dst_sg_it);
-                mv_crypto_algo_completion();
+                cpg->p.complete();
                 cpg->eng_st = ENGINE_IDLE;
                 local_bh_disable();
                 req->complete(req, 0);
@@ -331,6 +334,8 @@ static void mv_enqueue_new_req(struct ablkcipher_request *req)
         cpg->cur_req = &req->base;
         memset(p, 0, sizeof(struct req_progress));
         p->hw_nbytes = req->nbytes;
+        p->complete = mv_crypto_algo_completion;
+        p->process = mv_process_current_q;
 
         num_sgs = count_sgs(req->src, req->nbytes);
         sg_miter_start(&p->src_sg_it, req->src, num_sgs, SG_MITER_FROM_SG);