Re: [PATCH 1/6] usb: add reset endpoint operations

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On Tue, Apr 07, 2009 at 07:17:09PM +0100, David Vrabel wrote:
> Greg KH wrote:
> > On Tue, Apr 07, 2009 at 05:31:55PM +0000, David Vrabel wrote:
> >> Wireless USB endpoint state has a sequence number and a current
> >> window and not just a single toggle bit.  So allow HCDs to provide a
> >> endpoint_reset method and call this or clear the software toggles as
> >> required (after a clear halt).
> >>
> >> usb_settoggle() and friends are then HCD internal and are moved into
> >> core/hcd.h.
> > 
> > You remove this api, yet the pvrusb2 driver used it, and you don't seem
> > to have resolved the issue where it was calling it:
> > 
> >> diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c
> >> index fa304e5..b86682d 100644
> >> --- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c
> >> +++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c
> >> @@ -1418,7 +1418,6 @@ static int pvr2_upload_firmware1(struct pvr2_hdw *hdw)
> >>  		return ret;
> >>  	}
> >>  
> >> -	usb_settoggle(hdw->usb_dev, 0 & 0xf, !(0 & USB_DIR_IN), 0);
> >>  	usb_clear_halt(hdw->usb_dev, usb_sndbulkpipe(hdw->usb_dev, 0 & 0x7f));
> >>  
> >>  	pipe = usb_sndctrlpipe(hdw->usb_dev, 0);
> > 
> > Should usb_reset_endpoint() be called here instead?
> 
> usb_clear_halt() calls usb_reset_endpoint().

Ah, stupid me :)

thanks,

greg k-h
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