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path: root/drivers/virtio/virtio_pci.c
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Diffstat (limited to 'drivers/virtio/virtio_pci.c')
-rw-r--r--drivers/virtio/virtio_pci.c74
1 files changed, 8 insertions, 66 deletions
diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c
index 635e1efb379..2e03d416b9a 100644
--- a/drivers/virtio/virtio_pci.c
+++ b/drivers/virtio/virtio_pci.c
@@ -720,24 +720,6 @@ static void __devexit virtio_pci_remove(struct pci_dev *pci_dev)
}
#ifdef CONFIG_PM
-static int virtio_pci_suspend(struct device *dev)
-{
- struct pci_dev *pci_dev = to_pci_dev(dev);
-
- pci_save_state(pci_dev);
- pci_set_power_state(pci_dev, PCI_D3hot);
- return 0;
-}
-
-static int virtio_pci_resume(struct device *dev)
-{
- struct pci_dev *pci_dev = to_pci_dev(dev);
-
- pci_restore_state(pci_dev);
- pci_set_power_state(pci_dev, PCI_D0);
- return 0;
-}
-
static int virtio_pci_freeze(struct device *dev)
{
struct pci_dev *pci_dev = to_pci_dev(dev);
@@ -758,59 +740,24 @@ static int virtio_pci_freeze(struct device *dev)
return ret;
}
-static int restore_common(struct device *dev)
-{
- struct pci_dev *pci_dev = to_pci_dev(dev);
- struct virtio_pci_device *vp_dev = pci_get_drvdata(pci_dev);
- int ret;
-
- ret = pci_enable_device(pci_dev);
- if (ret)
- return ret;
- pci_set_master(pci_dev);
- vp_finalize_features(&vp_dev->vdev);
-
- return ret;
-}
-
-static int virtio_pci_thaw(struct device *dev)
+static int virtio_pci_restore(struct device *dev)
{
struct pci_dev *pci_dev = to_pci_dev(dev);
struct virtio_pci_device *vp_dev = pci_get_drvdata(pci_dev);
struct virtio_driver *drv;
int ret;
- ret = restore_common(dev);
- if (ret)
- return ret;
-
drv = container_of(vp_dev->vdev.dev.driver,
struct virtio_driver, driver);
- if (drv && drv->thaw)
- ret = drv->thaw(&vp_dev->vdev);
- else if (drv && drv->restore)
- ret = drv->restore(&vp_dev->vdev);
-
- /* Finally, tell the device we're all set */
- if (!ret)
- vp_set_status(&vp_dev->vdev, vp_dev->saved_status);
-
- return ret;
-}
-
-static int virtio_pci_restore(struct device *dev)
-{
- struct pci_dev *pci_dev = to_pci_dev(dev);
- struct virtio_pci_device *vp_dev = pci_get_drvdata(pci_dev);
- struct virtio_driver *drv;
- int ret;
+ ret = pci_enable_device(pci_dev);
+ if (ret)
+ return ret;
- drv = container_of(vp_dev->vdev.dev.driver,
- struct virtio_driver, driver);
+ pci_set_master(pci_dev);
+ vp_finalize_features(&vp_dev->vdev);
- ret = restore_common(dev);
- if (!ret && drv && drv->restore)
+ if (drv && drv->restore)
ret = drv->restore(&vp_dev->vdev);
/* Finally, tell the device we're all set */
@@ -821,12 +768,7 @@ static int virtio_pci_restore(struct device *dev)
}
static const struct dev_pm_ops virtio_pci_pm_ops = {
- .suspend = virtio_pci_suspend,
- .resume = virtio_pci_resume,
- .freeze = virtio_pci_freeze,
- .thaw = virtio_pci_thaw,
- .restore = virtio_pci_restore,
- .poweroff = virtio_pci_suspend,
+ SET_SYSTEM_SLEEP_PM_OPS(virtio_pci_freeze, virtio_pci_restore)
};
#endif