diff options
Diffstat (limited to 'drivers/pci/pci-acpi.c')
| -rw-r--r-- | drivers/pci/pci-acpi.c | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c index 1af4008182f..b98106c110e 100644 --- a/drivers/pci/pci-acpi.c +++ b/drivers/pci/pci-acpi.c @@ -283,7 +283,6 @@ static struct pci_platform_pm_ops acpi_pci_platform_pm = { .is_manageable = acpi_pci_power_manageable, .set_state = acpi_pci_set_power_state, .choose_state = acpi_pci_choose_state, - .can_wakeup = acpi_pci_can_wakeup, .sleep_wake = acpi_pci_sleep_wake, .run_wake = acpi_pci_run_wake, }; @@ -321,10 +320,39 @@ static int acpi_pci_find_root_bridge(struct device *dev, acpi_handle *handle) return 0; } +static void acpi_pci_wakeup_setup(struct device *dev) +{ + struct acpi_device *adev = acpi_dev_pm_get_node(dev); + struct pci_dev *pci_dev = to_pci_dev(dev); + + if (!adev || !adev->wakeup.flags.valid) + return; + + device_set_wakeup_capable(dev, true); + acpi_pci_sleep_wake(pci_dev, false); + + pci_acpi_add_pm_notifier(adev, pci_dev); + if (adev->wakeup.flags.run_wake) + device_set_run_wake(dev, true); +} + +static void acpi_pci_wakeup_cleanup(struct device *dev) +{ + struct acpi_device *adev = acpi_dev_pm_get_node(dev); + + if (adev && adev->wakeup.flags.valid) { + device_set_wakeup_capable(dev, false); + device_set_run_wake(dev, false); + pci_acpi_remove_pm_notifier(adev); + } +} + static struct acpi_bus_type acpi_pci_bus = { .bus = &pci_bus_type, .find_device = acpi_pci_find_device, .find_bridge = acpi_pci_find_root_bridge, + .setup = acpi_pci_wakeup_setup, + .cleanup = acpi_pci_wakeup_cleanup, }; static int __init acpi_pci_init(void) |