redonkable/alistair23-linux
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mmc: card: block.c cleanup for host claim/release.

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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>
This commit is contained in:
Andrei Warkentin 2011-04-11 18:10:24 -05:00 committed by Chris Ball
parent d3a8d95dcb
commit 1a258db6f3
1 changed files with 13 additions and 18 deletions
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31
drivers/mmc/card/block.c
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@ -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)