{
struct pci_dev * pci_dev = to_pci_dev(dev);
struct pci_driver * drv = pci_dev->driver;
+ int i = 0;
if (drv && drv->suspend)
- return drv->suspend(pci_dev,state);
- return 0;
+ i = drv->suspend(pci_dev,state);
+
+ pci_save_state(pci_dev, pci_dev->saved_config_space);
+ return i;
+}
+
+
+/*
+ * Default resume method for devices that have no driver provided resume,
+ * or not even a driver at all.
+ */
+static void pci_default_resume(struct pci_dev *pci_dev)
+{
+ /* restore the PCI config space */
+ pci_restore_state(pci_dev, pci_dev->saved_config_space);
+ /* if the device was enabled before suspend, reenable */
+ if (pci_dev->is_enabled)
+ pci_enable_device(pci_dev);
+ /* if the device was busmaster before the suspend, make it busmaster again */
+ if (pci_dev->is_busmaster)
+ pci_set_master(pci_dev);
}
static int pci_device_resume(struct device * dev)
if (drv && drv->resume)
drv->resume(pci_dev);
+ else
+ pci_default_resume(pci_dev);
return 0;
}