From: Daniel Silverstone <dsilvers@simtec.co.uk>
Date: Fri, 13 Mar 2009 13:53:46 +0000 (+0000)
Subject: i2c-s3c2410: Simplify bus frequency calculation
X-Git-Tag: v2.6.30-rc1~11^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c564e6ae6c5aa6e3995ff87ed4a32b4788ad5109;p=pandora-kernel.git

i2c-s3c2410: Simplify bus frequency calculation

The platform data for the i2c-s3c2410 driver used to allow a min,
max and desired frequency for the I2C bus. This patch reduces it
to simply a desired frequency ceiling and corrects all the uses
of the platform data appropriately.

This means, for example, that on a system with a 66MHz fclk, a
request for 100KHz will achieve 65KHz which is safe and
acceptable, rather than 378KHz which it would have achieved
without this change.

Signed-off-by: Simtec Linux Team <linux@simtec.co.uk>
Signed-off-by: Daniel Silverstone <dsilvers@simtec.co.uk>
[ben-linux@fluff.org: tidy subject and description]
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---

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