linux-kernel - Re: [PATCH] MMC: Clean up low voltage range handling

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Date:	Sun, 11 Mar 2007 17:13:28 -0700
From:	Philip Langdale <philipl@...rt.org>
To:	Pierre Ossman <drzeus-list@...eus.cx>
CC:	LKML <linux-kernel@...r.kernel.org>,
	Carlos Aguiar <carlos.aguiar@...t.org.br>,
	juha.yrjola@...idboot.com
Subject: Re: [PATCH] MMC: Clean up low voltage range handling

Pierre Ossman wrote:
> 
> We must not have the same specs. My simplified SD 2.0 physical spec
> defines everything below bit 15 as reserved.

I was a little unclear. Both specs define bit 7 as the low-voltage
range but only the MMC spec defines the actual voltage. As such, there
is no complete definition of a low voltage SD card. That's why I added
the sanity check in the actual code.

> Although this is a nice change, it confuses things to have two changes
> in one commit. Could you split them up and base it on my "for-andrew"
> branch?

Yeah, I thought you'd think that :-) I'll post the two diffs shortly.

Thanks,

--phil
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