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authorLinus Walleij <linus.walleij@linaro.org>2017-01-24 11:17:52 +0100
committerUlf Hansson <ulf.hansson@linaro.org>2017-02-13 13:20:37 +0100
commit4e1f780032c56894e8d7b6685b029b718588f483 (patch)
treeff61a0ef3011b2b9cadaf1fd21c0ae99b890fc70 /drivers/mmc/core
parente64aae82eac5397d9976142b9224d4a41424ee54 (diff)
mmc: block: break out mmc_blk_rw_cmd_abort()
As a first step toward breaking apart the very complex function mmc_blk_issue_rw_rq() we break out the command abort code. This code assumes "ret" is != 0 and then repeatedly hammers blk_end_request() until the request to the block layer to end the request succeeds. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc/core')
-rw-r--r--drivers/mmc/core/block.c17
1 files changed, 12 insertions, 5 deletions
diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index 7bd03381810d..14efe92a14ef 100644
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -1598,6 +1598,17 @@ static int mmc_blk_cmd_err(struct mmc_blk_data *md, struct mmc_card *card,
return ret;
}
+static void mmc_blk_rw_cmd_abort(struct mmc_card *card, struct request *req)
+{
+ int ret = 1;
+
+ if (mmc_card_removed(card))
+ req->rq_flags |= RQF_QUIET;
+ while (ret)
+ ret = blk_end_request(req, -EIO,
+ blk_rq_cur_bytes(req));
+}
+
static int mmc_blk_issue_rw_rq(struct mmc_queue *mq, struct request *rqc)
{
struct mmc_blk_data *md = mq->blkdata;
@@ -1737,11 +1748,7 @@ static int mmc_blk_issue_rw_rq(struct mmc_queue *mq, struct request *rqc)
return 1;
cmd_abort:
- if (mmc_card_removed(card))
- req->rq_flags |= RQF_QUIET;
- while (ret)
- ret = blk_end_request(req, -EIO,
- blk_rq_cur_bytes(req));
+ mmc_blk_rw_cmd_abort(card, req);
start_new_req:
if (rqc) {