On Fri, Sep 30, 2016 at 11:56 AM, Tony Lindgren <tony@xxxxxxxxxxx> wrote: > * Adam Ford <aford173@xxxxxxxxx> [160929 10:54]: >> Does anyone with an OMAP3 board (not 33xx) have any problems >> communicating with USB devices with a TWL4030 under the Kernel 4.4.y >> branch? >> >> I can get devices to enumerate (keyboard, USB thumb drive, removable >> hard drive, CD-ROM drive and mouse), but I cannot mount any of the >> storage devices and the mouse and keyboard get power, but no >> communcation. I tried doing a hexdump of mouse0 and received no data >> when I move the mouse. >> >> Whatever the issue is, appears to have been fixed in the 4.7 Kernel, >> but I'm trying to stay on an LTS kernel. I am able to mount drives, >> use the mouse, keyboard, etc. using the same device tree, so I think >> it's a kernel driver issue somewhere. I am focussing on the MUSB >> driver for now. >> >> I'm running git bisect now to see if I can identify what happened, but >> I thought I'd ask. If I can determine what patch/patches fix it, I'll >> reply back. > > Best to check what got applied after v4.4 to v4.4.y for musb. If > that does not solve it, there are probably missing fixes in the > mainline kernel for musb that are not in v4.4.y. > There are two patches that I applied from 4.7.y that made the 4.4.y LTS kernel work. bba40e6948b94cba71965285fbac31bd078c024a and 4c2ba0c67394514f3f75c660c9f5d02e66a7efd4 Once applied, the OTG controller works on 4.4.y Is there any way we can push those patches to the 4.4.y LTS support since they both fix bugs? > Regards, > > Tony Thank you, adam -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
