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| author | Adrian Hunter <adrian.hunter@intel.com> | 2017-03-13 14:36:43 +0200 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2017-04-24 21:42:06 +0200 |
| commit | f34bdd2f7e2881090f566a2f93b0d8e1189091e0 (patch) | |
| tree | 51045348d38e1b63d8607cd1d5dea76f65c242f5 /drivers/mmc | |
| parent | 4b67e63faaa21eab225bc3827a9d06e6ae54bdc7 (diff) | |
| download | linux-f34bdd2f7e2881090f566a2f93b0d8e1189091e0.tar.gz linux-f34bdd2f7e2881090f566a2f93b0d8e1189091e0.tar.bz2 linux-f34bdd2f7e2881090f566a2f93b0d8e1189091e0.zip | |
mmc: core: Factor out mrq preparation from mmc_start_request()
In preparation to reuse the code for CQE support.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/core/core.c | 40 |
1 files changed, 27 insertions, 13 deletions
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index 6b063f0c2553..ffc263283f54 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -292,23 +292,18 @@ static void mmc_mrq_pr_debug(struct mmc_host *host, struct mmc_request *mrq) } } -static int mmc_start_request(struct mmc_host *host, struct mmc_request *mrq) +static int mmc_mrq_prep(struct mmc_host *host, struct mmc_request *mrq) { #ifdef CONFIG_MMC_DEBUG unsigned int i, sz; struct scatterlist *sg; #endif - mmc_retune_hold(host); - - if (mmc_card_removed(host->card)) - return -ENOMEDIUM; - - mmc_mrq_pr_debug(host, mrq); - - WARN_ON(!host->claimed); - mrq->cmd->error = 0; - mrq->cmd->mrq = mrq; + if (mrq->cmd) { + mrq->cmd->error = 0; + mrq->cmd->mrq = mrq; + mrq->cmd->data = mrq->data; + } if (mrq->sbc) { mrq->sbc->error = 0; mrq->sbc->mrq = mrq; @@ -325,8 +320,6 @@ static int mmc_start_request(struct mmc_host *host, struct mmc_request *mrq) if (sz != mrq->data->blocks * mrq->data->blksz) return -EINVAL; #endif - - mrq->cmd->data = mrq->data; mrq->data->error = 0; mrq->data->mrq = mrq; if (mrq->stop) { @@ -335,6 +328,27 @@ static int mmc_start_request(struct mmc_host *host, struct mmc_request *mrq) mrq->stop->mrq = mrq; } } + + return 0; +} + +static int mmc_start_request(struct mmc_host *host, struct mmc_request *mrq) +{ + int err; + + mmc_retune_hold(host); + + if (mmc_card_removed(host->card)) + return -ENOMEDIUM; + + mmc_mrq_pr_debug(host, mrq); + + WARN_ON(!host->claimed); + + err = mmc_mrq_prep(host, mrq); + if (err) + return err; + led_trigger_event(host->led, LED_FULL); __mmc_start_request(host, mrq); |