linux-kernel - Re: [PATCH v3 2/3] mmc: Add per-card debugfs support

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Date:	Fri, 25 Jul 2008 12:05:14 +0200
From:	Pierre Ossman <drzeus-list@...eus.cx>
To:	Haavard Skinnemoen <haavard.skinnemoen@...el.com>
Cc:	Ben Dooks <ben-linux@...ff.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 2/3] mmc: Add per-card debugfs support

On Fri, 25 Jul 2008 11:05:03 +0200
Haavard Skinnemoen <haavard.skinnemoen@...el.com> wrote:

> On Fri, 25 Jul 2008 09:24:24 +0100
> Ben Dooks <ben-linux@...ff.org> wrote:
> 
> > out of interest, why not have an standard sysfs node for the
> > current voltage setting?
> 
> Dunno. Because nobody has added it? ;-)
> 

It is also a stable userspace ABI at that point, so it needs to be done
a lot more carefully.

> > 
> > why not make mmc_add_card_debugfs() an empty function
> > in the header if there is no debugfs support?
> 
> Because Pierre didn't like it.
> 

If it's just in core.h, then I can live with it. I did not like it when
it added even more noise to the core .c files.

Rgds
-- 
     -- Pierre Ossman

  Linux kernel, MMC maintainer        http://www.kernel.org
  rdesktop, core developer          http://www.rdesktop.org

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