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Message-ID: <4C82741C.2000106@simon.arlott.org.uk> Date: Sat, 04 Sep 2010 17:30:20 +0100 From: Simon Arlott <simon@...e.lp0.eu> To: Greg KH <greg@...ah.com> CC: Ondrej Zary <linux@...nbow-software.org>, David Brownell <dbrownell@...rs.sourceforge.net>, netdev@...r.kernel.org, Kernel development list <linux-kernel@...r.kernel.org> Subject: [PATCH] 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> [SA: Moved to cxacru_usb_probe, message level lowered to info] Signed-off-by: Simon Arlott <simon@...e.lp0.eu> --- drivers/usb/atm/cxacru.c | 18 ++++++++++++++++-- 1 files changed, 16 insertions(+), 2 deletions(-) diff --git a/drivers/usb/atm/cxacru.c b/drivers/usb/atm/cxacru.c index 593fc5e..96fa736 100644 --- a/drivers/usb/atm/cxacru.c +++ b/drivers/usb/atm/cxacru.c @@ -1324,8 +1324,22 @@ static struct usbatm_driver cxacru_driver = { .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 == 0xff + && usb_dev->descriptor.iProduct + && usb_string(usb_dev, + usb_dev->descriptor.iProduct, buf, sizeof(buf)) + && !strcmp(buf, "USB NET CARD")) { + dev_info(&intf->dev, "ignoring cx82310_eth device\n"); + return -ENODEV; + } + return usbatm_usb_probe(intf, id, &cxacru_driver); } -- 1.7.0.4 -- Simon Arlott -- 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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