linux-kernel - Re: [PATCH][MMC] Fix wrong EXT_CSD

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Date:	Thu, 13 Dec 2007 08:53:32 +0100
From:	Pierre Ossman <drzeus-list@...eus.cx>
To:	Kyungmin Park <kyungmin.park@...sung.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH][MMC] Fix wrong EXT_CSD_REV handling

On Thu, 13 Dec 2007 16:13:11 +0900
Kyungmin Park <kyungmin.park@...sung.com> wrote:

> It already checked the ext_csd_struct is less than 2,
> so it doesn't need to check it.
> Current code only accepts the revision 1.2.
> 
> Signed-off-by: Kyungmin Park <kyungmin.park@...sung.com>

It wasn't wrong the last time you brought this up, and it still isn't wrong. Those bits aren't defined until version 1.2 of the EXT_CSD register, hence we do not trust them. If you have some broken card that you feel you must have support for, then start working on some quirks system.

Rgds
-- 
     -- Pierre Ossman

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