From: Felipe Balbi <balbi@ti.com>
To: Eduard Gavin <egavin@iseebcn.com>
Cc: "Agustí Fontquerni" <af@iseebcn.com>,
"Tony Lindgren" <tony@atomide.com>,
"Enric Balletbo Serra" <eballetbo@gmail.com>,
"linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>,
linux-omap@vger.kernel.org, balbi@ti.com
Subject: Re: USB OTG doesn't work in HOST mode on OMAP3 processor on 3.18-rc5
Date: Tue, 23 Dec 2014 12:41:26 -0600 [thread overview]
Message-ID: <20141223184126.GJ9147@saruman> (raw)
In-Reply-To: <CAPjucKaEodpFtv533az+axecjsOahDsWV=V-M6sX84Z27KovsQ@mail.gmail.com>
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Hi,
(no top-posting)
On Fri, Dec 19, 2014 at 12:16:04PM +0100, Eduard Gavin wrote:
> Hi Everybody,
>
> After several test with IGEPv2 board (OMAP3) and linux kernel 3.17 and
> 3.18, the OTG works but, (from my point of view) with an weird
> behaviour.
>
> The OTG like a Host only is activated after load a gadget driver, I
> mean that, If I plug a USB memory dongle in the OTG port before load a
> Gadget driver like "g_ether" the dongle is not recognized. After load
> g_ether driver, the usb dongle is recognized without problems.
> I miss something in the configuration?
> It this the normal behaviour?
it's normal. If you configured your kernel for OTG/dual-role, you must
have both roles ready to go.
that should be considered common sense.
cheers
--
balbi
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next prev parent reply other threads:[~2014-12-23 18:41 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CAJt7siu_JiSe3CfM2=0UZLQjRevdLuX+=UL566fiW6XefTTWGA@mail.gmail.com>
[not found] ` <CAJt7siu_JiSe3CfM2=0UZLQjRevdLuX+=UL566fiW6XefTTWGA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-12-19 11:16 ` USB OTG doesn't work in HOST mode on OMAP3 processor on 3.18-rc5 Eduard Gavin
2014-12-23 18:41 ` Felipe Balbi [this message]
2014-11-17 15:13 Enric Balletbo Serra
2014-11-17 18:04 ` Tony Lindgren
2014-11-18 9:02 ` Enric Balletbo Serra
[not found] ` <CAFqH_52LV8k6OyH04dUmhzZChnHrtJR23qu1ewhU49iOVT1Mwg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-11-18 10:42 ` Enric Balletbo Serra
2014-11-18 15:42 ` Tony Lindgren
[not found] ` <20141118154204.GI7046-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
2014-11-19 11:12 ` Enric Balletbo Serra
2014-11-19 17:53 ` Tony Lindgren
[not found] ` <20141119175348.GK7046-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
2014-11-28 10:35 ` Yegor Yefremov
2014-11-29 15:35 ` Felipe Balbi
2014-12-01 7:57 ` Yegor Yefremov
[not found] ` <CAGm1_ku4UYL0DX9DuSJWn9-QKhcq+mUKyVTA433F6XbRe2FnHg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-12-01 14:35 ` Felipe Balbi
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