diff options
| author | Jiri Kosina <jkosina@suse.cz> | 2012-04-08 21:48:52 +0200 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2012-04-08 21:48:52 +0200 |
| commit | e75d660672ddd11704b7f0fdb8ff21968587b266 (patch) | |
| tree | ccb9c107744c10b553c0373e450bee3971d16c00 /drivers/scsi/scsi_pm.c | |
| parent | 61282f37927143e45b03153f3e7b48d6b702147a (diff) | |
| parent | 0034102808e0dbbf3a2394b82b1bb40b5778de9e (diff) | |
Merge branch 'master' into for-next
Merge with latest Linus' tree, as I have incoming patches
that fix code that is newer than current HEAD of for-next.
Conflicts:
drivers/net/ethernet/realtek/r8169.c
Diffstat (limited to 'drivers/scsi/scsi_pm.c')
| -rw-r--r-- | drivers/scsi/scsi_pm.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/scsi/scsi_pm.c b/drivers/scsi/scsi_pm.c index bf8bf79e6a1..c4670642d02 100644 --- a/drivers/scsi/scsi_pm.c +++ b/drivers/scsi/scsi_pm.c @@ -7,6 +7,7 @@ #include <linux/pm_runtime.h> #include <linux/export.h> +#include <linux/async.h> #include <scsi/scsi.h> #include <scsi/scsi_device.h> @@ -92,6 +93,19 @@ static int scsi_bus_resume_common(struct device *dev) return err; } +static int scsi_bus_prepare(struct device *dev) +{ + if (scsi_is_sdev_device(dev)) { + /* sd probing uses async_schedule. Wait until it finishes. */ + async_synchronize_full(); + + } else if (scsi_is_host_device(dev)) { + /* Wait until async scanning is finished */ + scsi_complete_async_scans(); + } + return 0; +} + static int scsi_bus_suspend(struct device *dev) { return scsi_bus_suspend_common(dev, PMSG_SUSPEND); @@ -110,6 +124,7 @@ static int scsi_bus_poweroff(struct device *dev) #else /* CONFIG_PM_SLEEP */ #define scsi_bus_resume_common NULL +#define scsi_bus_prepare NULL #define scsi_bus_suspend NULL #define scsi_bus_freeze NULL #define scsi_bus_poweroff NULL @@ -218,6 +233,7 @@ void scsi_autopm_put_host(struct Scsi_Host *shost) #endif /* CONFIG_PM_RUNTIME */ const struct dev_pm_ops scsi_bus_pm_ops = { + .prepare = scsi_bus_prepare, .suspend = scsi_bus_suspend, .resume = scsi_bus_resume_common, .freeze = scsi_bus_freeze, |