diff options
| author | Andrei Warkentin <andreiw@motorola.com> | 2011-04-11 18:10:24 -0500 |
|---|---|---|
| committer | Chris Ball <cjb@laptop.org> | 2011-05-24 21:01:16 -0400 |
| commit | 1a258db6f396e26c2c00b19c0107a891895d4584 (patch) | |
| tree | b9012952b952612a929994f87f3488ce88bcb46f /drivers/mmc | |
| parent | d3a8d95dcbb726b9cf0bbc166b2473bdd236c88c (diff) | |
mmc: card: block.c cleanup for host claim/release.
Move host claim/release into mmc_blk_issue_rq.
(This is helpful so that selecting partition only has to happen
in one place for these commands.)
Signed-off-by: Andrei Warkentin <andreiw@motorola.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/card/block.c | 31 |
1 files changed, 13 insertions, 18 deletions
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index 91a67677360..3e9082b729f 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -273,8 +273,6 @@ static int mmc_blk_issue_discard_rq(struct mmc_queue *mq, struct request *req) unsigned int from, nr, arg; int err = 0; - mmc_claim_host(card->host); - if (!mmc_can_erase(card)) { err = -EOPNOTSUPP; goto out; @@ -294,8 +292,6 @@ out: __blk_end_request(req, err, blk_rq_bytes(req)); spin_unlock_irq(&md->lock); - mmc_release_host(card->host); - return err ? 0 : 1; } @@ -307,8 +303,6 @@ static int mmc_blk_issue_secdiscard_rq(struct mmc_queue *mq, unsigned int from, nr, arg; int err = 0; - mmc_claim_host(card->host); - if (!mmc_can_secure_erase_trim(card)) { err = -EOPNOTSUPP; goto out; @@ -330,8 +324,6 @@ out: __blk_end_request(req, err, blk_rq_bytes(req)); spin_unlock_irq(&md->lock); - mmc_release_host(card->host); - return err ? 0 : 1; } @@ -402,8 +394,6 @@ static int mmc_blk_issue_rw_rq(struct mmc_queue *mq, struct request *req) (rq_data_dir(req) == WRITE) && REL_WRITES_SUPPORTED(card); - mmc_claim_host(card->host); - do { struct mmc_command cmd; u32 readcmd, writecmd, status = 0; @@ -589,8 +579,6 @@ static int mmc_blk_issue_rw_rq(struct mmc_queue *mq, struct request *req) spin_unlock_irq(&md->lock); } while (ret); - mmc_release_host(card->host); - return 1; cmd_err: @@ -617,8 +605,6 @@ static int mmc_blk_issue_rw_rq(struct mmc_queue *mq, struct request *req) spin_unlock_irq(&md->lock); } - mmc_release_host(card->host); - spin_lock_irq(&md->lock); while (ret) ret = __blk_end_request(req, -EIO, blk_rq_cur_bytes(req)); @@ -629,16 +615,25 @@ static int mmc_blk_issue_rw_rq(struct mmc_queue *mq, struct request *req) static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req) { + int ret; + struct mmc_blk_data *md = mq->data; + struct mmc_card *card = md->queue.card; + + mmc_claim_host(card->host); + if (req->cmd_flags & REQ_DISCARD) { if (req->cmd_flags & REQ_SECURE) - return mmc_blk_issue_secdiscard_rq(mq, req); + ret = mmc_blk_issue_secdiscard_rq(mq, req); else - return mmc_blk_issue_discard_rq(mq, req); + ret = mmc_blk_issue_discard_rq(mq, req); } else if (req->cmd_flags & REQ_FLUSH) { - return mmc_blk_issue_flush(mq, req); + ret = mmc_blk_issue_flush(mq, req); } else { - return mmc_blk_issue_rw_rq(mq, req); + ret = mmc_blk_issue_rw_rq(mq, req); } + + mmc_release_host(card->host); + return ret; } static inline int mmc_blk_readonly(struct mmc_card *card) |