On Wed, 4 Aug 2010, Alan Cox wrote: > From: Hao Wu <hao.wu@xxxxxxxxx> > > Update PCI suspend/resume function to fix suspend/resume issue. This > modification will make sure in D3, Vbus is powered off, both client/host > function will be stopped and controller moves to OTG IDLE state. Once it > resumes back to work, state machine will restart from the IDLE state, and move > to host/client based on inputs event. Even though this patch isn't present in the revised patch series, I still wanted to ask a question about it. Why should Vbus be powered off in D3? Isn't the bus supposed to remain powered while everything is suspended? Otherwise how can you detect plug/unplug events? Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html