On Mon, Jan 21, 2013 at 10:18:03PM +0800, Lan Tianyu wrote: > This patch is to add runtime pm callback for usb port device. > Set/clear PORT_POWER feature in the resume/suspend callbak. > Add portnum for struct usb_port to record port number. Do > pm_rumtime_get_sync/put(portdev) when a device is plugged/unplugged > to prevent it from being powered off when it is active. > > Acked-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> > Acked-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> > Signed-off-by: Lan Tianyu <tianyu.lan@xxxxxxxxx> > --- > drivers/usb/core/hub.c | 18 ++++++++++++++++++ > drivers/usb/core/hub.h | 4 ++++ > drivers/usb/core/port.c | 45 +++++++++++++++++++++++++++++++++++++++++++++ > 3 files changed, 67 insertions(+) > > diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c > index 29ca6ed..8c1f9a5 100644 > --- a/drivers/usb/core/hub.c > +++ b/drivers/usb/core/hub.c > @@ -714,6 +714,18 @@ static void hub_tt_work(struct work_struct *work) > spin_unlock_irqrestore (&hub->tt.lock, flags); > } > > +int usb_hub_set_port_power(struct usb_device *hdev, int port1, > + bool set) As this is a new global USB function, please provide the proper kerneldoc comments describing what it does. thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
