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authorAlan Stern <stern@rowland.harvard.edu>2010-06-17 10:36:49 -0400
committerJames Bottomley <James.Bottomley@suse.de>2010-07-28 09:07:49 -0500
commitdb5bd1e0b505c54ff492172ce4abc245cf6cd639 (patch)
treeb0b4c42c45b52ce9f1f4727a144475071a3f0ac3 /drivers/scsi/scsi_sysfs.c
parentdf64d3caab8db6ae17dacd229a03d7689a10c432 (diff)
downloadop-kernel-dev-db5bd1e0b505c54ff492172ce4abc245cf6cd639.zip
op-kernel-dev-db5bd1e0b505c54ff492172ce4abc245cf6cd639.tar.gz
[SCSI] convert to the new PM framework
This patch (as1397b) converts the SCSI midlayer to use the new PM callbacks (struct dev_pm_ops). A new source file, scsi_pm.c, is created to hold the new callback routines, and the existing suspend/resume code is moved there. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/scsi_sysfs.c')
-rw-r--r--drivers/scsi/scsi_sysfs.c48
1 files changed, 1 insertions, 47 deletions
diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index c23ab97..5f85f8e 100644
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -376,57 +376,11 @@ static int scsi_bus_uevent(struct device *dev, struct kobj_uevent_env *env)
return 0;
}
-static int scsi_bus_suspend(struct device * dev, pm_message_t state)
-{
- struct device_driver *drv;
- struct scsi_device *sdev;
- int err;
-
- if (dev->type != &scsi_dev_type)
- return 0;
-
- drv = dev->driver;
- sdev = to_scsi_device(dev);
-
- err = scsi_device_quiesce(sdev);
- if (err)
- return err;
-
- if (drv && drv->suspend) {
- err = drv->suspend(dev, state);
- if (err)
- return err;
- }
-
- return 0;
-}
-
-static int scsi_bus_resume(struct device * dev)
-{
- struct device_driver *drv;
- struct scsi_device *sdev;
- int err = 0;
-
- if (dev->type != &scsi_dev_type)
- return 0;
-
- drv = dev->driver;
- sdev = to_scsi_device(dev);
-
- if (drv && drv->resume)
- err = drv->resume(dev);
-
- scsi_device_resume(sdev);
-
- return err;
-}
-
struct bus_type scsi_bus_type = {
.name = "scsi",
.match = scsi_bus_match,
.uevent = scsi_bus_uevent,
- .suspend = scsi_bus_suspend,
- .resume = scsi_bus_resume,
+ .pm = &scsi_bus_pm_ops,
};
EXPORT_SYMBOL_GPL(scsi_bus_type);
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