From mboxrd@z Thu Jan  1 00:00:00 1970
From: Roger Quadros <rogerq@ti.com>
Subject: Re: [PATCH v6 07/10] usb: dwc3: gadget: Fix suspend/resume during
 dual-role mode
Date: Mon, 11 Apr 2016 16:12:10 +0300
Message-ID: <570BA2AA.8030308@ti.com>
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To: Felipe Balbi <balbi@kernel.org>
Cc: tony@atomide.com, Joao.Pinto@synopsys.com, sergei.shtylyov@cogentembedded.com, peter.chen@freescale.com, jun.li@freescale.com, grygorii.strashko@ti.com, yoshihiro.shimoda.uh@renesas.com, nsekhar@ti.com, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org
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On 11/04/16 15:23, Felipe Balbi wrote:
> 
> Hi,
> 
> Roger Quadros <rogerq@ti.com> writes:
>> Gadget controller might not be always active during suspend/
>> resume when we are operating in dual-role/otg mode.
>> Check if we're active and only if we are then perform
>> necessary actions during suspend/resume.
> 
> I don't get this. If we're operating in OTG, we should have a gadget
> driver loaded, no ?
> 
At boot gadget driver is not automatically loaded. We're still in OTG mode
but OTG state machine hasn't started.
System suspend/resume can still happen.

User might also load/unload the gadget driver prior to system suspend.

cheers,
-roger