From: Felipe Balbi <me@felipebalbi.com>
To: David Brownell <david-b@pacbell.net>
Cc: me@felipebalbi.com, ext-eero.nurkkala@nokia.com,
linux-omap@vger.kernel.org
Subject: Re: [PATCH] i2c: i2c-omap: Fix standard and fast mode prescalers
Date: Fri, 14 Nov 2008 23:46:41 +0200 [thread overview]
Message-ID: <20081114214635.GC31944@frodo> (raw)
In-Reply-To: <200811141208.10600.david-b@pacbell.net>
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
next prev parent reply other threads:[~2008-11-14 21:46 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-14 8:41 [PATCH] i2c: i2c-omap: Fix standard and fast mode prescalers ext-eero.nurkkala
2008-11-14 19:45 ` David Brownell
2008-11-14 20:02 ` Felipe Balbi
2008-11-14 20:08 ` David Brownell
2008-11-14 21:46 ` Felipe Balbi [this message]
2008-11-17 2:46 ` shekhar, chandra
2008-11-18 5:36 ` David Brownell
2008-11-14 20:38 ` Steve Sakoman
2008-11-19 12:07 ` Eero Nurkkala
2008-11-21 22:08 ` Tony Lindgren
-- strict thread matches above, loose matches on Subject: below --
2009-01-13 6:06 Eero Nurkkala
2009-01-23 2:04 ` Tony Lindgren
2008-11-26 13:44 ext-eero.nurkkala
2008-11-27 8:38 ` Eero Nurkkala
2009-01-08 13:39 ` Tony Lindgren
2009-01-09 20:27 ` Kainan Cha
2009-01-12 6:29 ` Eero Nurkkala
2008-11-25 6:56 ext-eero.nurkkala
2008-11-11 6:52 ext-eero.nurkkala
2008-11-11 13:21 ` shekhar, chandra
2008-11-10 10:46 ext-eero.nurkkala
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