diff options
| author | Ohad Ben-Cohen <ohad@wizery.com> | 2010-10-02 13:54:06 +0200 |
|---|---|---|
| committer | Chris Ball <cjb@laptop.org> | 2010-10-23 21:11:17 +0800 |
| commit | 12ae637f081a7a05144af65802a7b492b9162660 (patch) | |
| tree | 1b54043d766aaf33466f5efad08d53d16a024f85 /drivers/mmc/core/core.c | |
| parent | 9b966aae6419f7d75a87114c4d82bfb8f8699132 (diff) | |
mmc: propagate power save/restore ops return value
Allow power save/restore and their relevant mmc_bus_ops handlers
exit with a return value.
Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
Tested-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'drivers/mmc/core/core.c')
| -rw-r--r-- | drivers/mmc/core/core.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index 3eb7a9be6d8d..8f86d702e46e 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -1583,37 +1583,45 @@ void mmc_stop_host(struct mmc_host *host) mmc_power_off(host); } -void mmc_power_save_host(struct mmc_host *host) +int mmc_power_save_host(struct mmc_host *host) { + int ret = 0; + mmc_bus_get(host); if (!host->bus_ops || host->bus_dead || !host->bus_ops->power_restore) { mmc_bus_put(host); - return; + return -EINVAL; } if (host->bus_ops->power_save) - host->bus_ops->power_save(host); + ret = host->bus_ops->power_save(host); mmc_bus_put(host); mmc_power_off(host); + + return ret; } EXPORT_SYMBOL(mmc_power_save_host); -void mmc_power_restore_host(struct mmc_host *host) +int mmc_power_restore_host(struct mmc_host *host) { + int ret; + mmc_bus_get(host); if (!host->bus_ops || host->bus_dead || !host->bus_ops->power_restore) { mmc_bus_put(host); - return; + return -EINVAL; } mmc_power_up(host); - host->bus_ops->power_restore(host); + ret = host->bus_ops->power_restore(host); mmc_bus_put(host); + + return ret; } EXPORT_SYMBOL(mmc_power_restore_host); |