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usb core: use qdev for -usbdevice

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This patchs adds infrastructure to handle -usbdevice via qdev callbacks.
USBDeviceInfo gets a name field (for the -usbdevice driver name) and a
callback for -usbdevice parameter parsing.

The new usbdevice_create() function walks the qdev driver list and looks
for a usb driver with a matching name.  When a parameter parsing
callback is present it is called, otherwise the device is created via
usb_create_simple().

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Gerd Hoffmann 2009-10-26 15:56:45 +01:00 • committed by Anthony Liguori
parent 51edd4e6b5
commit 0958b4cc8f
5 changed files with 59 additions and 1 deletions
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5
vl.c
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@ -2556,6 +2556,11 @@ static int usb_device_add(const char *devname, int is_hotplug)
if (!usb_enabled)
return -1;
/* drivers with .usbdevice_name entry in USBDeviceInfo */
dev = usbdevice_create(devname);
if (dev)
goto done;
/* simple devices which don't need extra care */
for (i = 0; i < ARRAY_SIZE(usbdevs); i++) {
if (strcmp(devname, usbdevs[i].name) != 0)