[PATCH 3/3] mmc: esdhc i.MX: Support 8bit mode

Chris Ball cjb at laptop.org
Tue Sep 25 04:00:18 EDT 2012


On Tue, Sep 25 2012, Shawn Guo wrote:
> On Tue, Sep 25, 2012 at 03:52:09AM -0400, Chris Ball wrote:
>> We could also break the stalemate by just changing the common spec to
>> have bus-width become optional, default 4.  It's not going to break the
>> code of anyone who's been treating it as required.  I don't think there
>> there was a principled reason behind making it required.
> That would be the best :)

Ah, but sdhci-s3c and dw_mmc have been assuming that bus-width defaults
1 when it's not supplied.  That's going to make it complicated.

- Chris.
Chris Ball   <cjb at laptop.org>   <http://printf.net/>
One Laptop Per Child

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