On 02/03/2014 01:51 PM, Paul Zimmerman wrote: ... > Stephen, Andre, > > Can you test the attached patch, please? It works for my on the Synopsys > PCIe-based FPGA board. Unfortunately my RPI board is currently broken, > so I am unable to test it there to verify it actually fixes the problem > you are seeing. > > The dwc2 driver doesn't use the usb_device toggle bits anywhere else, > so the quickest fix is to just remove the problematic code from > _dwc2_hcd_endpoint_reset(). > > If you give me your tested-bys, I will submit this as a proper patch > to Greg. I've tested a basically equivalent patch (link below), so I feel comfortable saying: Tested-by: Stephen Warren <swarren@xxxxxxxxxxxxx> https://github.com/swarren/linux-rpi/commit/f7b9c896153cc0501acecb58053db978ec00a5bf > @@ -2579,9 +2579,11 @@ static void _dwc2_hcd_endpoint_reset(struct usb_hcd *hcd, > > spin_lock_irqsave(&hsotg->lock, flags); > > +#if 0 > usb_settoggle(udev, epnum, is_out, 0); > if (is_control) > usb_settoggle(udev, epnum, !is_out, 0); > +#endif > dwc2_hcd_endpoint_reset(hsotg, ep); > > spin_unlock_irqrestore(&hsotg->lock, flags); _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
