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

[Andreas Kemnade]

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.


> > 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.

Regards,
Andreas