diff options
| author | Adrian Hunter <adrian.hunter@intel.com> | 2015-05-07 13:10:18 +0300 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2015-06-01 10:06:56 +0300 |
| commit | 436f8daa6f5a2943a20df8f3447da250b46f0d87 (patch) | |
| tree | 6cab41859647c93d93fa481fc3443cd98d81cafb /drivers | |
| parent | 66073d8671c41fb0bc8c6e36531b4eafb70c990e (diff) | |
| download | linux-436f8daa6f5a2943a20df8f3447da250b46f0d87.tar.xz | |
mmc: mmc: Hold re-tuning in mmc_sleep()
The sleep command is issued after deselecting the
card, but re-tuning won't work on a deselected card
so re-tuning must be held.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mmc/core/mmc.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index f36c76f8b232..fd41b289ac91 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -21,6 +21,7 @@ #include <linux/mmc/mmc.h> #include "core.h" +#include "host.h" #include "bus.h" #include "mmc_ops.h" #include "sd_ops.h" @@ -1511,9 +1512,12 @@ static int mmc_sleep(struct mmc_host *host) unsigned int timeout_ms = DIV_ROUND_UP(card->ext_csd.sa_timeout, 10000); int err; + /* Re-tuning can't be done once the card is deselected */ + mmc_retune_hold(host); + err = mmc_deselect_cards(host); if (err) - return err; + goto out_release; cmd.opcode = MMC_SLEEP_AWAKE; cmd.arg = card->rca << 16; @@ -1534,7 +1538,7 @@ static int mmc_sleep(struct mmc_host *host) err = mmc_wait_for_cmd(host, &cmd, 0); if (err) - return err; + goto out_release; /* * If the host does not wait while the card signals busy, then we will @@ -1545,6 +1549,8 @@ static int mmc_sleep(struct mmc_host *host) if (!cmd.busy_timeout || !(host->caps & MMC_CAP_WAIT_WHILE_BUSY)) mmc_delay(timeout_ms); +out_release: + mmc_retune_release(host); return err; } |