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Date: Wed, 8 Sep 2010 22:52:12 +0200 From: Ondrej Zary <linux@...nbow-software.org> To: David Miller <davem@...emloft.net> Cc: greg@...ah.com, simon@...e.lp0.eu, dbrownell@...rs.sourceforge.net, netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH v3] cxacru: ignore cx82310_eth devices Ignore ADSL routers, which can have the same vendor and product IDs as ADSL modems but should be handled by the cx82310_eth driver. This intentionally ignores device IDs that aren't currently handled by cx82310_eth. There may be other device IDs that perhaps shouldn't be claimed by cxacru. Signed-off-by: Ondrej Zary <linux@...nbow-software.org> Signed-off-by: Simon Arlott <simon@...e.lp0.eu> --- linux-2.6.36-rc3-orig/drivers/usb/atm/cxacru.c 2010-08-29 17:36:04.000000000 +0200 +++ linux-2.6.36-rc3/drivers/usb/atm/cxacru.c 2010-09-08 22:42:47.000000000 +0200 @@ -1324,8 +1324,23 @@ static struct usbatm_driver cxacru_drive .tx_padding = 11, }; -static int cxacru_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) +static int cxacru_usb_probe(struct usb_interface *intf, + const struct usb_device_id *id) { + struct usb_device *usb_dev = interface_to_usbdev(intf); + char buf[15]; + + /* avoid ADSL routers (cx82310_eth) + * abort if bDeviceClass is 0xff and iProduct is "USB NET CARD" */ + if (usb_dev->descriptor.bDeviceClass == USB_CLASS_VENDOR_SPEC + && usb_string(usb_dev, usb_dev->descriptor.iProduct, + buf, sizeof(buf)) > 0) { + if (!strcmp(buf, "USB NET CARD")) { + dev_info(&intf->dev, "ignoring cx82310_eth device\n"); + return -ENODEV; + } + } + return usbatm_usb_probe(intf, id, &cxacru_driver); } -- Ondrej Zary -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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