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Diffstat (limited to 'drivers/usb/core/usb-acpi.c')
| -rw-r--r-- | drivers/usb/core/usb-acpi.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/usb/core/usb-acpi.c b/drivers/usb/core/usb-acpi.c index cef4252..8d304b0 100644 --- a/drivers/usb/core/usb-acpi.c +++ b/drivers/usb/core/usb-acpi.c @@ -216,6 +216,24 @@ static struct acpi_bus_type usb_acpi_bus = { .find_device = usb_acpi_find_device, }; +int usb_acpi_register_power_resources(struct device *dev) +{ + acpi_handle port_handle = DEVICE_ACPI_HANDLE(dev); + + if (!port_handle) + return -ENODEV; + + return acpi_power_resource_register_device(dev, port_handle); +} + +void usb_acpi_unregister_power_resources(struct device *dev) +{ + acpi_handle port_handle = DEVICE_ACPI_HANDLE(dev); + + if (port_handle) + acpi_power_resource_unregister_device(dev, port_handle); +} + int usb_acpi_register(void) { return register_acpi_bus_type(&usb_acpi_bus); |