Re: Issue with Gadget UVC and dummy_hcd

2017-10-05 Thread David Tulloh
On 26 September 2017 at 06:28, Alan Stern wrote: > > On Mon, 25 Sep 2017, David Tulloh wrote: > > > Hi, > > > > I have been trying to get a UVC gadget running through configfs and > > wired in to dummy_hcd. > > ... > > Does uvc use isochronous transf

Re: Issue with Gadget UVC and dummy_hcd

2017-10-05 Thread David Tulloh
On 6 October 2017 at 06:55, Alan Stern wrote: > David, please try the patch below. It should fix this problem. And I > have no idea why I didn't encounter exactly the same recursive locking > error in my own testing... Thanks Alan, the patch works. Is it still possible to go down the deadlocki

Issue with Gadget UVC and dummy_hcd

2017-09-25 Thread David Tulloh
Hi, I have been trying to get a UVC gadget running through configfs and wired in to dummy_hcd. I have largely been following the instructions from the Tizen wiki. https://wiki.tizen.org/USB/Linux_USB_Layers/Configfs_Composite_Gadget/Usage_eq._to_g_webcam.ko However I am getting a hard lockup, I