The block driver's blk-mq paths do not use mmc_start_areq(). In order to
remove mmc_start_areq() entirely, start by removing it from mmc_test.

Signed-off-by: Adrian Hunter <adrian.hun...@intel.com>
---
 drivers/mmc/core/mmc_test.c | 122 ++++++++++++++++++++------------------------
 1 file changed, 54 insertions(+), 68 deletions(-)

diff --git a/drivers/mmc/core/mmc_test.c b/drivers/mmc/core/mmc_test.c
index 478869805b96..9311c8de2061 100644
--- a/drivers/mmc/core/mmc_test.c
+++ b/drivers/mmc/core/mmc_test.c
@@ -171,11 +171,6 @@ struct mmc_test_multiple_rw {
        enum mmc_test_prep_media prepare;
 };
 
-struct mmc_test_async_req {
-       struct mmc_async_req areq;
-       struct mmc_test_card *test;
-};
-
 /*******************************************************************/
 /*  General helper functions                                       */
 /*******************************************************************/
@@ -741,30 +736,6 @@ static int mmc_test_check_result(struct mmc_test_card 
*test,
        return ret;
 }
 
-static enum mmc_blk_status mmc_test_check_result_async(struct mmc_card *card,
-                                      struct mmc_async_req *areq)
-{
-       struct mmc_test_async_req *test_async =
-               container_of(areq, struct mmc_test_async_req, areq);
-       int ret;
-
-       mmc_test_wait_busy(test_async->test);
-
-       /*
-        * FIXME: this would earlier just casts a regular error code,
-        * either of the kernel type -ERRORCODE or the local test framework
-        * RESULT_* errorcode, into an enum mmc_blk_status and return as
-        * result check. Instead, convert it to some reasonable type by just
-        * returning either MMC_BLK_SUCCESS or MMC_BLK_CMD_ERR.
-        * If possible, a reasonable error code should be returned.
-        */
-       ret = mmc_test_check_result(test_async->test, areq->mrq);
-       if (ret)
-               return MMC_BLK_CMD_ERR;
-
-       return MMC_BLK_SUCCESS;
-}
-
 /*
  * Checks that a "short transfer" behaved as expected
  */
@@ -831,6 +802,45 @@ static struct mmc_test_req *mmc_test_req_alloc(void)
        return rq;
 }
 
+static void mmc_test_wait_done(struct mmc_request *mrq)
+{
+       complete(&mrq->completion);
+}
+
+static int mmc_test_start_areq(struct mmc_test_card *test,
+                              struct mmc_request *mrq,
+                              struct mmc_request *prev_mrq)
+{
+       struct mmc_host *host = test->card->host;
+       int err = 0;
+
+       if (mrq) {
+               init_completion(&mrq->completion);
+               mrq->done = mmc_test_wait_done;
+               mmc_pre_req(host, mrq);
+       }
+
+       if (prev_mrq) {
+               wait_for_completion(&prev_mrq->completion);
+               err = mmc_test_wait_busy(test);
+               if (!err)
+                       err = mmc_test_check_result(test, prev_mrq);
+       }
+
+       if (!err && mrq) {
+               err = mmc_start_request(host, mrq);
+               if (err)
+                       mmc_retune_release(host);
+       }
+
+       if (prev_mrq)
+               mmc_post_req(host, prev_mrq, 0);
+
+       if (err && mrq)
+               mmc_post_req(host, mrq, err);
+
+       return err;
+}
 
 static int mmc_test_nonblock_transfer(struct mmc_test_card *test,
                                      struct scatterlist *sg, unsigned sg_len,
@@ -838,17 +848,10 @@ static int mmc_test_nonblock_transfer(struct 
mmc_test_card *test,
                                      unsigned blksz, int write, int count)
 {
        struct mmc_test_req *rq1, *rq2;
-       struct mmc_test_async_req test_areq[2];
-       struct mmc_async_req *done_areq;
-       struct mmc_async_req *cur_areq = &test_areq[0].areq;
-       struct mmc_async_req *other_areq = &test_areq[1].areq;
-       enum mmc_blk_status status;
+       struct mmc_request *mrq, *prev_mrq;
        int i;
        int ret = RESULT_OK;
 
-       test_areq[0].test = test;
-       test_areq[1].test = test;
-
        rq1 = mmc_test_req_alloc();
        rq2 = mmc_test_req_alloc();
        if (!rq1 || !rq2) {
@@ -856,33 +859,25 @@ static int mmc_test_nonblock_transfer(struct 
mmc_test_card *test,
                goto err;
        }
 
-       cur_areq->mrq = &rq1->mrq;
-       cur_areq->err_check = mmc_test_check_result_async;
-       other_areq->mrq = &rq2->mrq;
-       other_areq->err_check = mmc_test_check_result_async;
+       mrq = &rq1->mrq;
+       prev_mrq = NULL;
 
        for (i = 0; i < count; i++) {
-               mmc_test_prepare_mrq(test, cur_areq->mrq, sg, sg_len, dev_addr,
-                                    blocks, blksz, write);
-               done_areq = mmc_start_areq(test->card->host, cur_areq, &status);
-
-               if (status != MMC_BLK_SUCCESS || (!done_areq && i > 0)) {
-                       ret = RESULT_FAIL;
+               mmc_test_req_reset(container_of(mrq, struct mmc_test_req, mrq));
+               mmc_test_prepare_mrq(test, mrq, sg, sg_len, dev_addr, blocks,
+                                    blksz, write);
+               ret = mmc_test_start_areq(test, mrq, prev_mrq);
+               if (ret)
                        goto err;
-               }
 
-               if (done_areq)
-                       mmc_test_req_reset(container_of(done_areq->mrq,
-                                               struct mmc_test_req, mrq));
+               if (!prev_mrq)
+                       prev_mrq = &rq2->mrq;
 
-               swap(cur_areq, other_areq);
+               swap(mrq, prev_mrq);
                dev_addr += blocks;
        }
 
-       done_areq = mmc_start_areq(test->card->host, NULL, &status);
-       if (status != MMC_BLK_SUCCESS)
-               ret = RESULT_FAIL;
-
+       ret = mmc_test_start_areq(test, NULL, prev_mrq);
 err:
        kfree(rq1);
        kfree(rq2);
@@ -2356,11 +2351,9 @@ static int mmc_test_ongoing_transfer(struct 
mmc_test_card *test,
        struct mmc_test_req *rq = mmc_test_req_alloc();
        struct mmc_host *host = test->card->host;
        struct mmc_test_area *t = &test->area;
-       struct mmc_test_async_req test_areq = { .test = test };
        struct mmc_request *mrq;
        unsigned long timeout;
        bool expired = false;
-       enum mmc_blk_status blkstat = MMC_BLK_SUCCESS;
        int ret = 0, cmd_ret;
        u32 status = 0;
        int count = 0;
@@ -2373,9 +2366,6 @@ static int mmc_test_ongoing_transfer(struct mmc_test_card 
*test,
                mrq->sbc = &rq->sbc;
        mrq->cap_cmd_during_tfr = true;
 
-       test_areq.areq.mrq = mrq;
-       test_areq.areq.err_check = mmc_test_check_result_async;
-
        mmc_test_prepare_mrq(test, mrq, t->sg, t->sg_len, dev_addr, t->blocks,
                             512, write);
 
@@ -2388,11 +2378,9 @@ static int mmc_test_ongoing_transfer(struct 
mmc_test_card *test,
 
        /* Start ongoing data request */
        if (use_areq) {
-               mmc_start_areq(host, &test_areq.areq, &blkstat);
-               if (blkstat != MMC_BLK_SUCCESS) {
-                       ret = RESULT_FAIL;
+               ret = mmc_test_start_areq(test, mrq, NULL);
+               if (ret)
                        goto out_free;
-               }
        } else {
                mmc_wait_for_req(host, mrq);
        }
@@ -2426,9 +2414,7 @@ static int mmc_test_ongoing_transfer(struct mmc_test_card 
*test,
 
        /* Wait for data request to complete */
        if (use_areq) {
-               mmc_start_areq(host, NULL, &blkstat);
-               if (blkstat != MMC_BLK_SUCCESS)
-                       ret = RESULT_FAIL;
+               ret = mmc_test_start_areq(test, NULL, mrq);
        } else {
                mmc_wait_for_req_done(test->card->host, mrq);
        }
-- 
1.9.1

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