From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ondrej Zary Subject: [PATCH] cxacru: ignore cx82310_eth devices Date: Sun, 5 Sep 2010 22:12:33 +0200 Message-ID: <201009052212.37015.linux@rainbow-software.org> References: <201009032317.14954.linux@rainbow-software.org> <201009051901.13851.linux@rainbow-software.org> <20100905191412.GA10835@kroah.com> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Cc: Simon Arlott , David Brownell , netdev@vger.kernel.org, Kernel development list To: Greg KH Return-path: In-Reply-To: <20100905191412.GA10835@kroah.com> Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org 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-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 2010-09-05 18:54:56.000000000 +0200 @@ -1324,8 +1324,22 @@ 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