From mboxrd@z Thu Jan 1 00:00:00 1970 From: Felipe Balbi Subject: Re: [PATCH] i2c: i2c-omap: Fix standard and fast mode prescalers Date: Fri, 14 Nov 2008 23:46:41 +0200 Message-ID: <20081114214635.GC31944@frodo> References: <12266521173159-git-send-email-ext-eero.nurkkala@nokia.com> <200811141145.30171.david-b@pacbell.net> <20081114200214.GA31944@frodo> <200811141208.10600.david-b@pacbell.net> Reply-To: me@felipebalbi.com Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from ns1.siteground211.com ([209.62.36.12]:57274 "EHLO serv01.siteground211.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751641AbYKNVqw (ORCPT ); Fri, 14 Nov 2008 16:46:52 -0500 Content-Disposition: inline In-Reply-To: <200811141208.10600.david-b@pacbell.net> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: David Brownell Cc: me@felipebalbi.com, ext-eero.nurkkala@nokia.com, linux-omap@vger.kernel.org On Fri, Nov 14, 2008 at 12:08:10PM -0800, David Brownell wrote: > On Friday 14 November 2008, Felipe Balbi wrote: > > On Fri, Nov 14, 2008 at 11:45:30AM -0800, David Brownell wrote: > > > And should it let at least some boards talk to their > > > TWL chips at 3.4 MBit/sec (top speed for standard > > > highspeed I2C) instead of 2.6 Mbit/sec (pokey slow)? > > > I've always wondered why all the boards configured > > > those links to be seemingly slower than allowed ... > > > > I think it came from board-3430sdp.c > > So you're saying there was *never* a need for that slowdown, > and everyone was just copying an existing buglet? > > I know I didn't make time to test whether faster speeds > would work ... but had expected there was a reason, at > some point, for that detuning. There was a need. But I think it should be fixed by now. I shall test tw5030 with 3.4Mbit/sec on monday. Will report. -- balbi