linux-kernel - Re: [PATCH] usb: ehci: s5p: Power-off VBUS during suspend.

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Message-ID: <CAFp+6iGpbSmCsdFVzk1W+cKXMzzUtnreP+bTCab7xOtBs60tXg@mail.gmail.com>
Date:	Tue, 29 Jan 2013 17:31:00 +0530
From:	Vivek Gautam <gautamvivek1987@...il.com>
To:	Oliver Neukum <oneukum@...e.de>
Cc:	Vivek Gautam <gautam.vivek@...sung.com>, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
	gregkh@...uxfoundation.org, stern@...land.harvard.edu,
	jg1.han@...sung.com, Doug Anderson <dianders@...omium.org>
Subject: Re: [PATCH] usb: ehci: s5p: Power-off VBUS during suspend.

Hi Oliver,


On Tue, Jan 29, 2013 at 5:07 PM, Oliver Neukum <oneukum@...e.de> wrote:
> On Tuesday 29 January 2013 16:22:45 Vivek Gautam wrote:
>> This change de-asserts vbus_gpio on suspend and
>> re-asserts on resume in order to save power.
>> NOTE, this change means no USB charging in suspend
>> mode.
>
> What happens if a device on the bus is a source of wakeups?
>

The device will not be powered in suspend state,
so the corresponding wakeup will get missed ?


>         Regards
>                 Oliver
>



-- 
Thanks & Regards
Vivek
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