Hi, 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@xxxxxxxxx> Next time, please reply to the v1 of the patch. git send-email has this --in-reply-to option which helps with that ;-) -- balbi
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