[Letux-kernel] [PATCH] usb: musb: Check devctl status again for a spurious session request

[Tony Lindgren]

* Andreas Kemnade <andreas at kemnade.info> [210605 14:21]:
> On Sat, 5 Jun 2021 08:18:14 +0300
> Tony Lindgren <tony at atomide.com> wrote:
> 
> > * Andreas Kemnade <andreas at kemnade.info> [210604 17:00]:
> > > On Fri, 4 Jun 2021 12:39:54 +0300
> > > Tony Lindgren <tony at atomide.com> wrote:  
> > > > Does the following patch fix things for you or does something else break again? :)
> > > >   
> > > sigh,..
> > > ok, it breaks something. gadget (at least ecm) only works if
> > > musb/phy stuff is loaded, ecm configured via configfs
> > > rmmod omap2430
> > > modprube 2430
> > > 
> > > until the next usb disconnect
> > > and another rmmod/modprobe is required.  
> > 
> > Hmm I don't follow, do you mean there's now another issue after a
> > system suspend? Or is this issue not related to system suspend and
> > resume?
> > 
> independently of suspend.

OK

> > > The following musb patches were applied additional to that one you
> > > added to this mail on top of 5.13-rc4.
> > > 
> > > usb: musb: fix MUSB_QUIRK_B_DISCONNECT_99 handling
> > > usb: musb: Add missing PM suspend and resume functions for 2430 glue
> > > usb: musb: Check devctl status again for a spurious session request  
> > 
> > Does one of the above cause some additional usb gadget issue?
> > 
> I do not see any additional gadget issue just with them. It just starts
> with the small patch you proposed to fix suspend power consumption in
> this thread.

Oh OK, so some more mystery hardware debugging still left to do then.

Regards,

Tony