linux-kernel - Re: [PATCH 2.6.19] mmc: Add support for SDHC cards (Take 2)

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Message-ID: <459C97A9.3060907@drzeus.cx>
Date:	Thu, 04 Jan 2007 06:59:05 +0100
From:	Pierre Ossman <drzeus-list@...eus.cx>
To:	Philip Langdale <philipl@...rt.org>
CC:	Alex Dubov <oakad@...oo.com>, Andrew Morton <akpm@...l.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2.6.19] mmc: Add support for SDHC cards (Take 2)

Philip Langdale wrote:
> This is a bug. The MMC_RSP_R? #defines do not fully characterise the
> responses (specically, the way that the response is parsed is not
> characterised) and consequently there is no guarantee of uniqueness.
> Given this reality - the way that the tifm_sd driver works is unsafe.
>
>   

Amen to that. All hw vendors that implement this particular form of
brain damage should be dragged out and shot.

I'll fix a patch for this later on.

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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