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The USB Bluetooth driver should only grab its own interfaces. This allows the

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USB bluetooth driver to co-exist with other USB device classes and drivers.

Reported by:	Geoffrey Levand
MFC after:	1 week
This commit is contained in:
Hans Petter Selasky 2012-09-30 19:31:20 +00:00
parent f9f20af9ed
commit 12b16d85ae
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=241078
1 changed files with 15 additions and 3 deletions
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18
sys/netgraph/bluetooth/drivers/ubt/ng_ubt.c
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@ -439,6 +439,7 @@ ubt_attach(device_t dev)
struct ubt_softc *sc = device_get_softc(dev);
struct usb_endpoint_descriptor *ed;
struct usb_interface_descriptor *id;
struct usb_interface *iface;
uint16_t wMaxPacketSize;
uint8_t alt_index, i, j;
uint8_t iface_index[2] = { 0, 1 };
@ -554,10 +555,21 @@ ubt_attach(device_t dev)
goto detach;
}
/* Claim all interfaces on the device */
for (i = 1; usbd_get_iface(uaa->device, i) != NULL; i ++)
usbd_set_parent_iface(uaa->device, i, uaa->info.bIfaceIndex);
/* Claim all interfaces belonging to the Bluetooth part */
for (i = 1;; i++) {
iface = usbd_get_iface(uaa->device, i);
if (iface == NULL)
break;
id = usbd_get_interface_descriptor(iface);
if ((id != NULL) &&
(id->bInterfaceClass == UICLASS_WIRELESS) &&
(id->bInterfaceSubClass == UISUBCLASS_RF) &&
(id->bInterfaceProtocol == UIPROTO_BLUETOOTH)) {
usbd_set_parent_iface(uaa->device, i,
uaa->info.bIfaceIndex);
}
}
return (0); /* success */
detach: