From: Gerhard Jaeger <gerhard@gjaeger.de>
To: large <large@lilymarleen.de>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Patch: Plustek scanner driver (pt_drv) port to 2.6, correction for 2.6.3
Date: Thu, 4 Mar 2004 21:12:26 +0100
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Cc: Domen Puncer <domen@coderock.org>
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Hmm,

I don't think that this patch is necessary anymore. The latest driver
is contained in the sane-backends package. The backend is called
plustek_pp can can either be used completely from userspace or if
you want to as kernel-module (including all the patches for 2.6
kernel, except devfs support).

Ciao,
  Gerhard

On Thursday 04 March 2004 16:19, large wrote:
> Hi,
>
> I recently updated from 2.6.0-test4 to 2.6.3 and noticed that my pt_drv
> won't work any more. It did not load, telling me something like
> missing symbol: kdev_t_to_nr
>
> I investigated and found the problem:
> the inline function kdev_t_to_nr does not exist any longer, I think it's
> depr. due to the kdev device changes in 2.6.3 (2.6.2?).
>
> ptdrv.c:
> 255: int minor = MINOR(kdev_t_to_nr(ip->i_rdev));
>
> Anyway, I could not figure out what function might be it's successor, so
> I simply removed the function call, leading to:
>
> ptdrv.c:
> 225: int minor = MINOR(ip->i_rdev);
>
> All kdev_t.h functions existing in 2.6.3 did only bad stuff to the
> numbers so think this might be correct.
>
> I just removed it, as it works for me (and should logically, reviewing
> how the MINOR inline works now). I could not test it with more than one
> scanner device, so it might still be false.
>
> Anyone out there who can proof whether this is OK like this?
>
> Attached the changed patch...
>
> cu,
> ~  Lars

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