diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mmc/core/bus.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c index 8101b77c2acf..ec6075ec5767 100644 --- a/drivers/mmc/core/bus.c +++ b/drivers/mmc/core/bus.c @@ -167,6 +167,19 @@ static int mmc_bus_suspend(struct device *dev) if (mmc_bus_needs_resume(host)) return 0; ret = host->bus_ops->suspend(host); + + /* + * bus_ops->suspend may fail due to some reason + * In such cases if we return error to PM framework + * from here without calling pm_generic_resume then mmc + * request may get stuck since PM framework will assume + * that mmc bus is not suspended (because of error) and + * it won't call resume again. + * + * So in case of error call pm_generic_resume(). + */ + if (ret) + pm_generic_resume(dev); return ret; } |