linux-kernel - Re: [PATCH] rt2x00: Get rid of duplicate usb id from rt2500usb

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Date:	Thu, 3 Sep 2009 15:27:27 +0300
From:	Amit Kucheria <amit.kucheria@...onical.com>
To:	Ivo Van Doorn <ivdoorn@...il.com>
Cc:	List Linux Kernel <linux-kernel@...r.kernel.org>,
	linux-wireless@...r.kernel.org
Subject: Re: [PATCH] rt2x00: Get rid of duplicate usb id from rt2500usb

On 09 Sep 03, Ivo Van Doorn wrote:
> > USB_DEVICE(0x148f, 0x2573) is served by the rt73usb driver where it is already
> > defined. Remove it from rt2500usb.
> >
> > Signed-off-by: Amit Kucheria <amit.kucheria@...onical.com>
> > Cc: Ivo van Doorn <IvDoorn@...il.com>
> 
> NACK
> 
> Users have reported that this is a valid rt2500usb ID. You can thank the
> manufacturer of the dongle to produce dongles with the same USB ID but
> with different chipsets.
> 
> Ivo

Interesting. On my laptop, without this patch both the drivers are loaded
(lsmod), rt2500usb aborts without allocating a device successfully but I am
unable to associate to the AP.

With the patch, I am atleast able to associate to the AP. Perhaps there is
some other side-effect.

Regards,
Amit

> > ---
> >  drivers/net/wireless/rt2x00/rt2500usb.c |    1 -
> >  1 files changed, 0 insertions(+), 1 deletions(-)
> >
> > diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c
> > index ce75426..2e9fac7 100644
> > --- a/drivers/net/wireless/rt2x00/rt2500usb.c
> > +++ b/drivers/net/wireless/rt2x00/rt2500usb.c
> > @@ -2020,7 +2020,6 @@ static struct usb_device_id rt2500usb_device_table[] = {
> >        /* Ralink */
> >        { USB_DEVICE(0x148f, 0x1706), USB_DEVICE_DATA(&rt2500usb_ops) },
> >        { USB_DEVICE(0x148f, 0x2570), USB_DEVICE_DATA(&rt2500usb_ops) },
> > -       { USB_DEVICE(0x148f, 0x2573), USB_DEVICE_DATA(&rt2500usb_ops) },
> >        { USB_DEVICE(0x148f, 0x9020), USB_DEVICE_DATA(&rt2500usb_ops) },
> >        /* Sagem */
> >        { USB_DEVICE(0x079b, 0x004b), USB_DEVICE_DATA(&rt2500usb_ops) },
> > --
> > 1.6.3.3
> >
> >

-- 
-------------------------------------------------------------------------
Amit Kucheria,				 Kernel Developer, Verdurent
-------------------------------------------------------------------------
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