Some devices identify themselves as a virtual USB CDROM drive. The virtual CD
includes the windows driver. We aren't interested in this, so we eject the
virtual CDROM and then the real wireless device appears.
Signed-off-by: Daniel Drake <[EMAIL PROTECTED]>
Index: linux-2.6/drivers/net/wireless/zd1211rw/zd_usb.c
===================================================================
--- linux-2.6.orig/drivers/net/wireless/zd1211rw/zd_usb.c
+++ linux-2.6/drivers/net/wireless/zd1211rw/zd_usb.c
@@ -46,6 +46,8 @@ static struct usb_device_id usb_ids[] =
{ USB_DEVICE(0x0ace, 0x1215), .driver_info = DEVICE_ZD1211B },
{ USB_DEVICE(0x157e, 0x300d), .driver_info = DEVICE_ZD1211B },
{ USB_DEVICE(0x079b, 0x0062), .driver_info = DEVICE_ZD1211B },
+ /* "Driverless" devices that need ejecting */
+ { USB_DEVICE(0x0ace, 0x2011), .driver_info = DEVICE_INSTALLER },
{}
};
@@ -914,6 +916,54 @@ static void print_id(struct usb_device *
#define print_id(udev) do { } while (0)
#endif
+static int eject_installer(struct usb_interface *intf)
+{
+ struct usb_device *udev = interface_to_usbdev(intf);
+ struct usb_host_interface *iface_desc = &intf->altsetting[0];
+ struct usb_endpoint_descriptor *endpoint;
+ unsigned char *cmd;
+ u8 bulk_out_ep;
+ int r;
+
+ /* Find bulk out endpoint */
+ endpoint = &iface_desc->endpoint[1].desc;
+ if ((endpoint->bEndpointAddress & USB_TYPE_MASK) == USB_DIR_OUT &&
+ (endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
+ USB_ENDPOINT_XFER_BULK) {
+ bulk_out_ep = endpoint->bEndpointAddress;
+ } else {
+ dev_err(&udev->dev,
+ "zd1211rw: Could not find bulk out endpoint\n");
+ return -ENODEV;
+ }
+
+ cmd = kzalloc(31, GFP_KERNEL);
+ if (cmd == NULL)
+ return -ENODEV;
+
+ /* USB bulk command block */
+ cmd[0] = 0x55; /* bulk command signature */
+ cmd[1] = 0x53; /* bulk command signature */
+ cmd[2] = 0x42; /* bulk command signature */
+ cmd[3] = 0x43; /* bulk command signature */
+ cmd[14] = 6; /* command length */
+
+ cmd[15] = 0x1b; /* SCSI command: START STOP UNIT */
+ cmd[19] = 0x2; /* eject disc */
+
+ dev_info(&udev->dev, "Ejecting virtual installer media...\n");
+ r = usb_bulk_msg(udev, usb_sndbulkpipe(udev, bulk_out_ep),
+ cmd, 31, NULL, 2000);
+ if (r)
+ return r;
+
+ /* At this point, the device disconnects and reconnects with the real
+ * ID numbers. */
+
+ usb_set_intfdata(intf, NULL);
+ return 0;
+}
+
static int probe(struct usb_interface *intf, const struct usb_device_id *id)
{
int r;
@@ -922,6 +972,9 @@ static int probe(struct usb_interface *i
print_id(udev);
+ if (id->driver_info & DEVICE_INSTALLER)
+ return eject_installer(intf);
+
switch (udev->speed) {
case USB_SPEED_LOW:
case USB_SPEED_FULL:
@@ -987,6 +1040,11 @@ static void disconnect(struct usb_interf
struct zd_mac *mac = zd_netdev_mac(netdev);
struct zd_usb *usb = &mac->chip.usb;
+ /* Either something really bad happened, or we're just dealing with
+ * a DEVICE_INSTALLER. */
+ if (netdev == NULL)
+ return;
+
dev_dbg_f(zd_usb_dev(usb), "\n");
zd_netdev_disconnect(netdev);
Index: linux-2.6/drivers/net/wireless/zd1211rw/zd_usb.h
===================================================================
--- linux-2.6.orig/drivers/net/wireless/zd1211rw/zd_usb.h
+++ linux-2.6/drivers/net/wireless/zd1211rw/zd_usb.h
@@ -30,6 +30,7 @@
enum devicetype {
DEVICE_ZD1211 = 0,
DEVICE_ZD1211B = 1,
+ DEVICE_INSTALLER = 2,
};
enum endpoints {
-
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