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| author | Seungwon Jeon <tgih.jun@samsung.com> | 2011-12-26 18:03:05 +0900 |
|---|---|---|
| committer | Chris Ball <cjb@laptop.org> | 2012-01-11 23:58:46 -0500 |
| commit | 17e9ff559a7dbb7a6df332007d2ffcd3e7d83fba (patch) | |
| tree | 061d911ea055301633ac394990e497a8ba67d94d /drivers/mmc/core | |
| parent | d83b6e035f983ec2833bf175ae093281b42ba551 (diff) | |
| download | linux-stable-17e9ff559a7dbb7a6df332007d2ffcd3e7d83fba.tar.gz linux-stable-17e9ff559a7dbb7a6df332007d2ffcd3e7d83fba.tar.bz2 linux-stable-17e9ff559a7dbb7a6df332007d2ffcd3e7d83fba.zip | |
mmc: core: Add claiming of hosts during mmc_cache_ctrl
While calling mmc_cache_ctrl() a host is not claimed. This patch
adds the mmc_try_claim_host() for quick response in suspend.
Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'drivers/mmc/core')
| -rw-r--r-- | drivers/mmc/core/core.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index a2aa860956ef..22050525be84 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -2355,7 +2355,13 @@ int mmc_suspend_host(struct mmc_host *host) cancel_delayed_work(&host->disable); cancel_delayed_work(&host->detect); mmc_flush_scheduled_work(); - err = mmc_cache_ctrl(host, 0); + if (mmc_try_claim_host(host)) { + err = mmc_cache_ctrl(host, 0); + mmc_do_release_host(host); + } else { + err = -EBUSY; + } + if (err) goto out; |