[PATCH] PCI: Add pci shutdown ability
Now pci drivers can know when the system is going down without having to
add a reboot notifier event.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index 37b7961..b42466c 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -318,6 +318,14 @@
return 0;
}
+static void pci_device_shutdown(struct device *dev)
+{
+ struct pci_dev *pci_dev = to_pci_dev(dev);
+ struct pci_driver *drv = pci_dev->driver;
+
+ if (drv && drv->shutdown)
+ drv->shutdown(pci_dev);
+}
#define kobj_to_pci_driver(obj) container_of(obj, struct device_driver, kobj)
#define attr_to_driver_attribute(obj) container_of(obj, struct driver_attribute, attr)
@@ -385,6 +393,7 @@
drv->driver.bus = &pci_bus_type;
drv->driver.probe = pci_device_probe;
drv->driver.remove = pci_device_remove;
+ drv->driver.shutdown = pci_device_shutdown,
drv->driver.owner = drv->owner;
drv->driver.kobj.ktype = &pci_driver_kobj_type;
pci_init_dynids(&drv->dynids);
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 3c89148..cff5ba3 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -671,6 +671,7 @@
int (*suspend) (struct pci_dev *dev, pm_message_t state); /* Device suspended */
int (*resume) (struct pci_dev *dev); /* Device woken up */
int (*enable_wake) (struct pci_dev *dev, pci_power_t state, int enable); /* Enable wake event */
+ void (*shutdown) (struct pci_dev *dev);
struct device_driver driver;
struct pci_dynids dynids;