Suspend changes for PCI core

Changes the PCI core to use the new suspend infrastructure changes.

Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index 474e9cd..9e7d6ce 100644 (file)
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -264,6 +264,19 @@ static int pci_device_remove(struct device * dev)
        return 0;
 }
 
+static int pci_device_suspend_prepare(struct device * dev, pm_message_t state)
+{
+       struct pci_dev * pci_dev = to_pci_dev(dev);
+       struct pci_driver * drv = pci_dev->driver;
+       int i = 0;
+
+       if (drv && drv->suspend_prepare) {
+               i = drv->suspend_prepare(pci_dev, state);
+               suspend_report_result(drv->suspend_prepare, i);
+       }
+       return i;
+}
+
 static int pci_device_suspend(struct device * dev, pm_message_t state)
 {
        struct pci_dev * pci_dev = to_pci_dev(dev);
@@ -279,6 +292,18 @@ static int pci_device_suspend(struct device * dev, pm_message_t state)
        return i;
 }
 
+static int pci_device_suspend_late(struct device * dev, pm_message_t state)
+{
+       struct pci_dev * pci_dev = to_pci_dev(dev);
+       struct pci_driver * drv = pci_dev->driver;
+       int i = 0;
+
+       if (drv && drv->suspend_late) {
+               i = drv->suspend_late(pci_dev, state);
+               suspend_report_result(drv->suspend_late, i);
+       }
+       return i;
+}
 
 /*
  * Default resume method for devices that have no driver provided resume,
@@ -313,6 +338,17 @@ static int pci_device_resume(struct device * dev)
        return error;
 }
 
+static int pci_device_resume_early(struct device * dev)
+{
+       int error = 0;
+       struct pci_dev * pci_dev = to_pci_dev(dev);
+       struct pci_driver * drv = pci_dev->driver;
+
+       if (drv && drv->resume_early)
+               error = drv->resume_early(pci_dev);
+       return error;
+}
+
 static void pci_device_shutdown(struct device *dev)
 {
        struct pci_dev *pci_dev = to_pci_dev(dev);
@@ -508,9 +544,12 @@ struct bus_type pci_bus_type = {
        .uevent         = pci_uevent,
        .probe          = pci_device_probe,
        .remove         = pci_device_remove,
+       .suspend_prepare= pci_device_suspend_prepare,
        .suspend        = pci_device_suspend,
-       .shutdown       = pci_device_shutdown,
+       .suspend_late   = pci_device_suspend_late,
+       .resume_early   = pci_device_resume_early,
        .resume         = pci_device_resume,
+       .shutdown       = pci_device_shutdown,
        .dev_attrs      = pci_dev_attrs,
 };
 

diff --git a/include/linux/pci.h b/include/linux/pci.h
index 8565b81..4b2e629 100644 (file)
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -345,7 +345,10 @@ struct pci_driver {
        const struct pci_device_id *id_table;   /* must be non-NULL for probe to be called */
        int  (*probe)  (struct pci_dev *dev, const struct pci_device_id *id);   /* New device inserted */
        void (*remove) (struct pci_dev *dev);   /* Device removed (NULL if not a hot-plug capable driver) */
+       int  (*suspend_prepare) (struct pci_dev *dev, pm_message_t state);
        int  (*suspend) (struct pci_dev *dev, pm_message_t state);      /* Device suspended */
+       int  (*suspend_late) (struct pci_dev *dev, pm_message_t state);
+       int  (*resume_early) (struct pci_dev *dev);
        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);