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| /openbmc/qemu/hw/usb/ |
| H A D | host-libusb.c | e058fa2d Fri Jun 03 04:12:55 CDT 2016 Gerd Hoffmann <kraxel@redhat.com> usb-host: add special case for bus+addr
This patch changes usb-host behavior in case we hostbus= and hostaddr=
properties are used to identify the usb device in question. Instead of
adding the device to the hotplug watchlist we try to open directly using
the given bus number and device address.
Putting a device specified by hostaddr to the hotplug watchlist isn't
a great idea as the address isn't a fixed property. It changes every
time the device is plugged in. So considering this case as "use the
device at bus:addr _now_" is more sane. Also usb-host will throw errors
in case it can't initialize the host device.
Note: For devices on the hotplug watchlist (hostport or vendorid or
productid specified) qemu continues to ignore errors and keeps
monitoring the usb bus to see if the device eventually shows up.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 1464945175-28939-1-git-send-email-kraxel@redhat.com
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