diff options
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/pci-driver.c | 41 |
1 files changed, 40 insertions, 1 deletions
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c index 474e9cd0e9e4..9e7d6ceb3805 100644 --- 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, }; |