Re: [PATCH v6 07/10] usb: dwc3: gadget: Fix suspend/resume during dual-role mode

From: Roger Quadros
Date: Mon Apr 11 2016 - 09:12:29 EST


On 11/04/16 15:23, Felipe Balbi wrote:
>
> Hi,
>
> Roger Quadros <rogerq@xxxxxx> 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