On Tue, Aug 9, 2016 at 4:25 PM, Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > On Tue, Aug 09, 2016 at 04:07:56PM +0800, yonglong.wu wrote: >> Hi, >> On Tue, 2016-08-09 at 14:29 +0800, Peter Chen wrote: >> >> On Tue, Aug 9, 2016 at 11:31 AM, Yonglong Wu <yonglong.wu@xxxxxxxxxxxx> wrote: >> > From: Yonglong Wu <yonglong.wu@xxxxxxxxxxxx> >> > >> > According to USB30 specification, the Function Remote Wakeup field can be >> > modified by the SetFeature() requests. SetFeature() is recommended to use. >> > >> > Signed-off-by: Yonglong Wu <yonglong.wu@xxxxxxxxxxxx> >> > --- >> > drivers/usb/core/hub.c | 2 +- >> > 1 file changed, 1 insertion(+), 1 deletion(-) >> > >> > diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c >> > index bee1351..a6f5095 100644 >> > --- a/drivers/usb/core/hub.c >> > +++ b/drivers/usb/core/hub.c >> > @@ -3111,7 +3111,7 @@ static int usb_disable_remote_wakeup(struct usb_device *udev) >> > USB_CTRL_SET_TIMEOUT); >> > else >> > return usb_control_msg(udev, usb_sndctrlpipe(udev, 0), >> > - USB_REQ_CLEAR_FEATURE, USB_RECIP_INTERFACE, >> > + USB_REQ_SET_FEATURE, USB_RECIP_INTERFACE, >> > USB_INTRF_FUNC_SUSPEND, 0, NULL, 0, >> > USB_CTRL_SET_TIMEOUT); >> > } >> > -- >> > 1.7.9.5 >> > >> >> This requirement is so strange, would you please list the detail >> chapter at specification. >> >> >> In USB20 specification, describes in chapter 9.4.5: The Remote Wakeup field can >> be modified by the SetFeature() and ClearFeature() requests using the >> DEVICE_REMOTE_WAKEUP feature selector. >> >> In USB30 specification, also describes in chapter 9.4.5: The Function Remote >> Wakeup field can be modified by the SetFeature() requests using the >> FUNCTION_SUSPEND feature selector. >> >> In USB30 specification only mentioned SetFeature(). > Thanks for your information, you may add chapter 9.4.9 Set Feature reference, It describes Function Remote Wake Enabled/Disabled at suspend options, then the reader can know we can use SET_FEATURE to disable function remote wakeup. Peter > Can you put this information in the changelog text when you resend this > again? > > thanks, > > greg k-h -- 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
