Re: [PATCH 3/3] MMC compatibility fix - OCR mask

From: Russell King
Date: Sat Sep 18 2004 - 05:44:47 EST


On Sat, Sep 18, 2004 at 12:00:16PM +0200, Pierre Ossman wrote:
> This patch avoids using a emtpy OCR mask for the initial power up. Since
> some cards do not like a one bit-mask a routine has been added which
> grows the mask to three bits (one extra bit on each side) if necessary.

As I already replied on this topic, this will not work on hosts
which support a wide range of supplies. If you send an OP_COND
command with bits set outside the MMC cards allowable range, they
go gaga.

--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of: 2.6 PCMCIA - http://pcmcia.arm.linux.org.uk/
2.6 Serial core
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