diff options
Diffstat (limited to 'drivers/usb/core/driver.c')
| -rw-r--r-- | drivers/usb/core/driver.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c index 14b83f2a4e87..adf5ca8a2396 100644 --- a/drivers/usb/core/driver.c +++ b/drivers/usb/core/driver.c @@ -1700,6 +1700,20 @@ int usb_runtime_idle(struct device *dev) return 0; } +int usb_set_usb2_hardware_lpm(struct usb_device *udev, int enable) +{ + struct usb_hcd *hcd = bus_to_hcd(udev->bus); + int ret = -EPERM; + + if (hcd->driver->set_usb2_hw_lpm) { + ret = hcd->driver->set_usb2_hw_lpm(hcd, udev, enable); + if (!ret) + udev->usb2_hw_lpm_enabled = enable; + } + + return ret; +} + #endif /* CONFIG_USB_SUSPEND */ struct bus_type usb_bus_type = { |