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From: | Yu, Xiaoyang |
Subject: | [Qemu-devel] Bus number and address changes after usb_add? |
Date: | Thu, 7 Dec 2006 12:20:15 +0800 |
After add a USB device by “usb_add”, I can view
it by “info usb”. It shows the bus number and address. As shown in vl.c, it seems that usb_info() is called when
issue “info usb”, and usb_device_add() is called when issue
“usb_add”. But if I add call to usb_info() in the end of
usb_device_add(), it always show the bus number and address as
“0.0”, which can be different from the output of “info usb”. So it seems like the bus number and address of a USB device
changed some time after “usb_add”. Does anyone know why it changes?
Thanks in advance! Thanks |
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