linux-kernel - Re: Nokia N900: musb is in wrong state after boot

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Message-ID: <87h9d49exz.fsf@linux.intel.com>
Date:	Wed, 08 Jun 2016 13:02:00 +0300
From:	Felipe Balbi <felipe.balbi@...ux.intel.com>
To:	Tony Lindgren <tony@...mide.com>,
	Pali Rohár <pali.rohar@...il.com>
Cc:	joerg Reisenweber <joerg@...nmoko.org>,
	Felipe Balbi <balbi@...com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-omap@...r.kernel.org,
	Ivaylo Dimitrov <ivo.g.dimitrov.75@...il.com>,
	Sebastian Reichel <sre@...nel.org>,
	Aaro Koskinen <aaro.koskinen@....fi>,
	Pavel Machek <pavel@....cz>, Nishanth Menon <nm@...com>
Subject: Re: Nokia N900: musb is in wrong state after boot


Hi,

Tony Lindgren <tony@...mide.com> writes:
> * Pali Rohár <pali.rohar@...il.com> [160607 05:53]:
>> > Tony, what do you think about that patch?
>> > 
>> 
>> Tony, PING
>
> Yeah I don't know, AFAIK we don't have a generic way to
> force MUSB to change mode without ID pin. If you have figured
> something generic for that which does not actually tinker with
> the PHY registers directly, that should be the generic
> musb_set_mode() that we've been wondering about for years.

#define MUSB_TEST_FORCE_HOST	0x80

Can someone confirm on MUSB's docs (and actual running system) that this
does what's supposed to do?

-- 
balbi

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