From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Re: [PATCH 0/4] musb fixes for v4.9-rc cycle Date: Wed, 23 Nov 2016 08:34:49 -0800 Message-ID: <20161123163448.GJ4082@atomide.com> References: <20161107215020.31399-1-tony@atomide.com> <1557347.d3YjqqaO81@avalon> <839f0f26-3bb0-d368-8cff-dbccaffa7244@ti.com> <10445300.62NO2xvFpp@avalon> <47c6e11e-3725-8955-5cc4-654df4d1c3bc@ti.com> <20161123155747.GF4082@atomide.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8BIT Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-usb-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Tomi Valkeinen Cc: Laurent Pinchart , Bin Liu , Boris Brezillon , Greg Kroah-Hartman , Andreas Kemnade , Felipe Balbi , Kishon Vijay Abraham I , Ivaylo Dimitrov , Johan Hovold , Ladislav Michl , Sergei Shtylyov , linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-omap@vger.kernel.org * Tomi Valkeinen [161123 08:13]: > On 23/11/16 17:57, Tony Lindgren wrote: > > * Tomi Valkeinen [161123 07:54]: > >> On 23/11/16 17:49, Laurent Pinchart wrote: > >>> Hi Tomi, > >>> > >>> On Wednesday 23 Nov 2016 12:14:17 Tomi Valkeinen wrote: > >>>> On 10/11/16 23:25, Laurent Pinchart wrote: > >>>>>>>> [ 2.766174] musb_bus_suspend 2586: trying to suspend as a_idle while > >>>>>>>> active > >>>>>>>> > >>>>>>>> printed in a loop at boot time. I've traced musb->is_active being set > >>>>>>>> to 1 in musb_start() with > >>>>> > >>>>> Actually disabling CONFIG_USB_MUSB_HDRC gets rid of the problem, quite > >>>>> understandably. It's not a fix though, just a workaround. Are you > >>>>> interested in investigating this ? > >>>> > >>>> I'm seeing this too. Did you manage to boot your Panda? If I disable > >>>> CONFIG_USB_MUSB_HDRC, I don't see that error print, but the ethernet > >>>> doesn't work, and so my nfsroot doesn't mount. > >>> > >>> Do you use ethernet over USB gadget or over LAN9514 (smsx95xx) ? The LAN9514 > >>> is connected to the EHCI USB interface so it shouldn't depend on MUSB. > >> > >> smsx95xx. I didn't look at it further, so possibly there's something > >> else broken/changed that prevented the ethernet from working. > > > > I have omap2plus_defconfig with initramfs work just fine for nfsroot > > and musb peripheral mode on pandaboard es. Well I have not tried it > > since last week with Linux next. > > Ok, I found the issue. I had to enable CONFIG_NOP_USB_XCEIV. (the > musb_bus_suspend issue is still there, though). OK. And what changes to your current .config make the musb_bus_suspend() issues show up? If it happens with USB-B cable from host to musb with musb set to host only mode I'm not suprised there are errors :) Regards, Tony -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html