From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <benh@kernel.crashing.org>
Received: from gate.crashing.org (gate.crashing.org [63.228.1.57])
	(using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits))
	(Client did not present a certificate)
	by ozlabs.org (Postfix) with ESMTPS id 47811B7B7B
	for <linuxppc-dev@ozlabs.org>; Thu, 15 Oct 2009 22:19:52 +1100 (EST)
Subject: Re: i2c-powermac fails
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Jean Delvare <khali@linux-fr.org>
In-Reply-To: <20091015124923.23863a94@hyperion.delvare>
References: <20091013112304.74083fd1@hyperion.delvare>
	<1255426348.2192.187.camel@pasglop>
	<20091013114948.03608b7f@hyperion.delvare>
	<20091014230252.0d0cba8d@hyperion.delvare>
	<1255555575.2347.56.camel@pasglop>
	<20091015124923.23863a94@hyperion.delvare>
Content-Type: text/plain; charset="UTF-8"
Date: Thu, 15 Oct 2009 22:19:19 +1100
Message-Id: <1255605559.2347.102.camel@pasglop>
Mime-Version: 1.0
Cc: Paul Mackerras <paulus@samba.org>, Tim Shepard <shep@alum.mit.edu>,
	linuxppc-dev@ozlabs.org
List-Id: Linux on PowerPC Developers Mail List <linuxppc-dev.lists.ozlabs.org>
List-Unsubscribe: <https://lists.ozlabs.org/options/linuxppc-dev>,
	<mailto:linuxppc-dev-request@lists.ozlabs.org?subject=unsubscribe>
List-Archive: <http://lists.ozlabs.org/pipermail/linuxppc-dev>
List-Post: <mailto:linuxppc-dev@lists.ozlabs.org>
List-Help: <mailto:linuxppc-dev-request@lists.ozlabs.org?subject=help>
List-Subscribe: <https://lists.ozlabs.org/listinfo/linuxppc-dev>,
	<mailto:linuxppc-dev-request@lists.ozlabs.org?subject=subscribe>

On Thu, 2009-10-15 at 12:49 +0200, Jean Delvare wrote:
> Oh. Well, if that was the case, we would see errors all the time, not
> just during initialization, right? Or does the I2C clock frequency
> change over time somehow?

No but maybe we are a bit on the "limit" of the device and some
registers take long to respond than others ?

Cheers,
Ben.