From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sergei Shtylyov Subject: Re: Nokia N900: musb is in wrong state after boot Date: Wed, 8 Jun 2016 15:04:02 +0300 Message-ID: <71cb45ec-a269-d510-df34-eb6eaa781da8@cogentembedded.com> References: <201601091616.04193@pali> <3690314.8jDXSUDcRZ@saturn> <20160121192113.GM19432@atomide.com> <201601231357.32629@pali> <20160529103824.GM29844@pali> <20160607125044.GI29844@pali> <20160608095321.GH22406@atomide.com> <87h9d49exz.fsf@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: <87h9d49exz.fsf-VuQAYsv1563Yd54FQh9/CA@public.gmane.org> Sender: linux-usb-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Felipe Balbi , Tony Lindgren , =?UTF-8?Q?Pali_Roh=c3=a1r?= Cc: joerg Reisenweber , Felipe Balbi , Greg Kroah-Hartman , linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Ivaylo Dimitrov , Sebastian Reichel , Aaro Koskinen , Pavel Machek , Nishanth Menon List-Id: linux-omap@vger.kernel.org On 6/8/2016 1:02 PM, Felipe Balbi wrote: >> * Pali Roh=C3=A1r [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 t= his > does what's supposed to do? The MUSB programmer's guide says the CID (sic) input is ignored whe= n the=20 =46orce_Host bit is set. The host mode is entered when the Session bit = is set. But I don't have a MUSB hardware readily available to confirm. MBR, Sergei -- 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