Hi, On Mon, 31 Aug 2015 11:54:13 -0500 Felipe Balbi <balbi@xxxxxx> wrote: > On Mon, Aug 31, 2015 at 07:48:28PM +0300, ville.syrjala@xxxxxxxxxxxxxxx wrote: > > From: Ville Syrj舁ç<ville.syrjala@xxxxxxxxxxxxxxx> > > > > This reverts commit 8f2c9544aba636134303105ecb164190a39dece4. > > > > As it breaks g_ether on my Baytrail FFRD8 device. Everything starts out > > fine, but after a bit of data has been transferred it just stops > > flowing. > > > > Note that I do get a bunch of these "NOHZ: local_softirq_pending 08" > > when booting the machine, but I'm not really sure if they're related > > to this problem. > > I have a feeling your problem is elsewhere. We *are* completing one TRB > at a time. If usb_request.no_interrupt is flagged, it seems dwc3 does not set IOC on the corresponding TRB. Does it break the assumption every TRB (without SG) will trigger one corresponding EP event? u_ether is the function module that utilizes 'no_interrupt' flag. -- Masakazu Mokuno -- 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
