On Wed, Sep 02, 2015 at 05:09:39PM +0900, Masakazu Mokuno wrote: > 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・<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. XferInProgress should still trigger. Besides, I tested with the exact same setup (different SoC though), just look at the thread. -- balbi
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