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Date: Fri, 25 Jul 2008 17:23:42 +0200
From: Wolfgang Grandegger <wg@grandegger.com>
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To: Timur Tabi <timur@freescale.com>
Subject: Re: [PATCH] powerpc: i2c-mpc: make speed registers configurable via
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Cc: Scott Wood <scottwood@freescale.com>, Linuxppc-dev@ozlabs.org
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Timur Tabi wrote:
> On Fri, Jul 25, 2008 at 8:12 AM, Grant Likely <grant.likely@secretlab.ca> wrote:
> 
>> Yes, please use something like clock-frequency or current-speed and do
>> the calculation.
> 
> Ditto.  I already wrote the code that does that for U-Boot, so all you
> need to do is port it.

I know but we still need an algorithm for MPC52xx and MPC82xx as well.

> Although I'm curious, if U-Boot already programs the speed, why does
> the driver program it again?

Maybe because it's not obvious for the driver if the registers have 
already been configured by the boot-loader.

Wolfgang.