On Fri, Jan 16, 2015 at 11:11:56AM -0500, Alan Stern wrote: > On Fri, 16 Jan 2015, Peter Chen wrote: > > > During this API, the deactivation count will be update, and it > > will try to connect or disconnect gadget. It can be used to > > enable functions for gadget. > > > > Signed-off-by: Peter Chen <peter.chen@xxxxxxxxxxxxx> > > --- > > drivers/usb/gadget/udc/udc-core.c | 28 +++++++++++++++++++++++++++- > > include/linux/usb/gadget.h | 5 +++++ > > 2 files changed, 32 insertions(+), 1 deletion(-) > > > > diff --git a/drivers/usb/gadget/udc/udc-core.c b/drivers/usb/gadget/udc/udc-core.c > > index 9396a86..86d4d19 100644 > > --- a/drivers/usb/gadget/udc/udc-core.c > > +++ b/drivers/usb/gadget/udc/udc-core.c > > @@ -37,6 +37,7 @@ > > * @list - for use by the udc class driver > > * @vbus - for udcs who care about vbus status, this value is real vbus status; > > * for udcs who do not care about vbus status, this value is always true > > + * @deactivations - the deactivation count to connect or disconnect gadget > > How will this field get initialized? > Thanks, Alan. The function driver will be deactivated default, the patch likes below: http://permalink.gmane.org/gmane.linux.usb.general/112747 (Call usb_udc_activation_handler instead of usb_function_deactivate) The function driver can activate itself at the .bind or on the demand. http://permalink.gmane.org/gmane.linux.usb.general/112748 http://permalink.gmane.org/gmane.linux.usb.general/112752 > Aside from that question, patches 2 and 3 look good. > > Alan Stern > -- Best Regards, Peter Chen -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
