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Re: [Qemu-devel] [patch 0/2] USB UHCI global suspend / remote wakeup


From: Paul Brook
Subject: Re: [Qemu-devel] [patch 0/2] USB UHCI global suspend / remote wakeup
Date: Fri, 26 Nov 2010 00:38:28 +0000
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> This patch enables USB UHCI global suspend/resume feature. The OS will
> stop the HC once all ports are suspended. If there is activity on the
> port(s), an interrupt signalling remote wakeup will be triggered.

I'm pretty sure this is wrong.  Suspend/resume works based on physical 
topology, i.e. the resume notification should go to the the port/hub to which 
the device is connected, not directly to the host controller.

Paul



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