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SubjectRe: [PATCH 1/3 v2] pch_udc: Detecting VBUS through GPIO
On Fri, Feb 03, 2012 at 04:35:26PM +0900, Tomoya MORINAGA wrote:
> Problem:
> In USB Suspend, pch_udc handles 'disconnect'.
>
> Root cause:
> The current pch_udc is not monitoring VBUS.
> When USB cable is disconnected, USB Device Controller generates
> an interrupt of USB Suspend.
> pch_udc cannot distinguish it is USB Suspend or disconnect.
> Therefore, pch_udc handles 'disconnect' after an interrupt of
> USB Suspend happend.
>
> Solution:
> VBUS is detected through GPIO.
> After an interrupt produced USB Suspend, if VBUS is Low,
> pch_udc handles 'disconnect'.
> If VBUS is High, pch_udc handles 'suspend'.
>
> Signed-off-by: Tomoya MORINAGA <tomoya.rohm@gmail.com>

applied, thanks

--
balbi
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