linux-kernel - Re: Is the change to IDE probing really necessary?

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Message-Id: <E1L5SEw-0001dG-F6@be1.7eggert.dyndns.org>
Date:	Wed, 26 Nov 2008 22:48:06 +0100
From:	Bodo Eggert <7eggert@....de>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>, Mel Gorman <mel@....ul.ie>,
	petkovbb@...il.com, sshtylyov@...mvista.com,
	linux-kernel@...r.kernel.org
Subject: Re: Is the change to IDE probing really necessary?

Alan Cox <alan@...rguk.ukuu.org.uk> wrote:

> So I think this is a case of 'I put best steam coal in my car and it
> didn't go'

"... but I was told it would."

I think less or different information (resulting in RTFM) might be more
helpful. Looking at the 2.6.27 code, I'd

- change the default to -1 (unset) and let ide_generic_init print the
  text only if it's -1 (and then set it to the default value)
- change the text to
  compiled_in? "please set ide_generic.probe_mask to use the generic IDE driver"
               "please set probe_mask to probe for more legacy interfaces"
- not print anything if all interfaces are probed by default (non-x86)
- document "don't use this driver if there is a more specific driver"
  next to the probe_mask documentation


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