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author | Dave Airlie <airlied@redhat.com> | 2012-03-15 10:24:32 +0000 |
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committer | Dave Airlie <airlied@redhat.com> | 2012-03-15 10:24:32 +0000 |
commit | 8229c885fe361e521ac64de36b16011e54a30de0 (patch) | |
tree | 572e5d34b16713ddef9e803308c6f72014aff01b /drivers/scsi/scsi_pm.c | |
parent | c3c50e8b651887bcefcc13beb3739c00b2379b5c (diff) | |
parent | fde7d9049e55ab85a390be7f415d74c9f62dd0f9 (diff) | |
download | talos-op-linux-8229c885fe361e521ac64de36b16011e54a30de0.tar.gz talos-op-linux-8229c885fe361e521ac64de36b16011e54a30de0.zip |
drm: Merge tag 'v3.3-rc7' into drm-core-next
Merge the fixes so far into core-next, needed to test
intel driver.
Conflicts:
drivers/gpu/drm/i915/intel_ringbuffer.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 bf8bf79e6a1f..c4670642d023 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, |