提交 cbd69dbb 编写于 作者: L Linus Torvalds 提交者: Greg Kroah-Hartman

Suspend changes for PCI core

Changes the PCI core to use the new suspend infrastructure changes.
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
上级 7c8265f5
......@@ -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,
};
......
......@@ -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);
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册