Hi Sudeep, On Wednesday 04 March 2015 17:04:43 Sudeep Holla wrote: > On 04/03/15 16:11, Laurent Pinchart wrote: > > Hi Sudeep, > > > On Wednesday 04 March 2015 15:56:12 Sudeep Holla wrote: > [...] > > >> Also I don't see any message on the host side. Let me know if there's > >> something wrong in my config or test commands. > > > > Looks like a driver bug to me, .udc_start() and .udc_stop() should use > > spin_(un)lock_irq(). Would you like to submit a patch ? I can also do it. > > Thanks for the quick response. Yes I can submit that as I do have the > patch already. Though it removes above dump for possible deadlock, it's > still not working. So I was not sure if that's the right fix. Anyways I > will post that patch and you can review :) > > BTW, if you see above the log also contains "g_mass_storage gadget: > userspace failed to provide iSerialNumber". Is this OK ? or is this the > reason for not seeing any activity on host side. That should be ok. To rule out the possible low-level issues, have you checked that the ISP1761 OC1_N/VBUS pin is properly connected to the VBUS power supply coming from the host ? -- Regards, Laurent Pinchart -- 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
