On 11/25/10 18:04, Marcelo Tosatti wrote:
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.
To enable autosuspend for the USB tablet on Linux guests:
echo auto> /sys/devices/pci0000:00/0000:00:01.2/usb1/1-1/power/level
Hmm, did you ever got this working sanely?
/me sees bus disconnects in the guest ...
port->ctrl&= ~(val& 0x000a);
+ port->ctrl&= ~(port->ctrl& 0x0040); /* clear port resume detected */
}
This chunk looks suspicious ...
I suspect the port suspend/resume emulation isn't complete.
/me goes debugging,
Gerd
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