linux-kernel - Re: [PATCH] tmio_mmc: Allow 2 byte requests in 4-bit mode

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Message-ID: <AANLkTinCoSi4s1oNpxptqjA_HEf5Fk92=N_VYNnLR=wF@mail.gmail.com>
Date:	Tue, 27 Jul 2010 08:57:40 +0100
From:	Ian Molton <ian@...menth.co.uk>
To:	Magnus Damm <magnus.damm@...il.com>
Cc:	Yusuke Goda <yusuke.goda.sx@...esas.com>, damm@...nsource.se,
	sameo@...ux.intel.com, Paul Mundt <lethal@...ux-sh.org>,
	g.liakhovetski@....de, linux-mmc@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] tmio_mmc: Allow 2 byte requests in 4-bit mode

This change needs to be modified to test what hardware is present.
this wont work on my hardware TTBOMK.

-- 
Ian Molton
Linux, Automotive, and other hacking:
http://www.mnementh.co.uk/



On 23 July 2010 12:05, Magnus Damm <magnus.damm@...il.com> wrote:
> 2010/7/20 Yusuke Goda <yusuke.goda.sx@...esas.com>:
>> Adjust the tmio_mmc block size check to accept 2-byte requests in 4-bit mode.
>> Tested with the SDHI hardware block included in sh7724.
>>
>> Signed-off-by: Yusuke Goda <yusuke.goda.sx@...esas.com>
>
> With this patch applied I can use SDIO cards in polling mode with the
> tmio-mmc driver. Tested with the SDHI hardware block on sh7372 using
> the b43 driver and BCM4318 hardware and the unfortunately out-of-tree
> AR6002 "android" driver.
>
> Acked-by: Magnus Damm <damm@...nsource.se>
>
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