On Mon, Feb 9, 2015 at 12:39 PM, Tony Lindgren <tony@xxxxxxxxxxx> wrote: > * Bin Liu <binmlist@xxxxxxxxx> [150206 10:21]: >> Tony, >> >> On Fri, Feb 6, 2015 at 11:23 AM, Tony Lindgren <tony@xxxxxxxxxxx> wrote: >> > * George Cherian <george.cherian@xxxxxx> [150206 05:05]: >> >> Hi Tony, >> >> >> >> You also need to add similar things in dsps_musb_reset(); >> >> >> >> Otherwise you might not recover from a BABBLE condition. >> > >> > Thank I totally missed that, updated patch below. >> > >> > Do you have some testcase that easily triggers BABBLE >> > on MUSB? >> >> I normally just shorten DP or DM to VBUS to trigger babble. No device >> is connected to the port, if I remembered correctly. > > Oh OK, that sounds a bit risky with 5V on the VBUS if a > device is detected? I think I'll wait on that :) Sorry, 'shorten' is not a good work for what I did. Just use a wire to quickly touch DP or DM to VBUS, which pulls up DP/DM shortly, but long enough to cross SOF to generate a babble. Regards, -Bin. > > Regards, > > Tony -- 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
