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Re: [PATCH] TX4927 processor can support different speeds

To: "Maciej W. Rozycki" <macro@linux-mips.org>
Subject: Re: [PATCH] TX4927 processor can support different speeds
From: Manish Lachwani <mlachwani@mvista.com>
Date: Mon, 24 Jan 2005 13:28:29 -0800
Cc: Ralf Baechle <ralf@linux-mips.org>, Thiemo Seufer <ica2_ts@csv.ica.uni-stuttgart.de>, linux-mips@linux-mips.org
In-reply-to: <Pine.LNX.4.61L.0501242107040.17587@blysk.ds.pg.gda.pl>
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References: <20050123192318.GA22681@prometheus.mvista.com> <20050123194140.GL15265@rembrandt.csv.ica.uni-stuttgart.de> <20050123195129.GA1806@linux-mips.org> <41F40B8E.2080003@mvista.com> <20050124202244.GB2376@linux-mips.org> <41F55F15.6050107@mvista.com> <Pine.LNX.4.61L.0501242107040.17587@blysk.ds.pg.gda.pl>
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Maciej W. Rozycki wrote:

On Mon, 24 Jan 2005, Manish Lachwani wrote:

Why is this approach (in the patch) bad?
[...]
It's fragile because clock frequencies are changing faster in today's
world of electronics than the weather in April.
[...]
So? Can you be a little more clear?

Oh well, how can you assure a given binary will be booted on a CPU driven by the right frequency? Is the clock source inside the chip containing the CPU at least?

 Maciej

Ok, that make things clear. Thanks Maciej,

Manish Lachwani


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