Re: [PATCH] i2c: i2c-omap: Fix standard and fast mode prescalers

["shekhar, chandra" <x0044955@ti.com>]

I had tested twl4030 at 3.4 Mbps couple of months back and it was working fine 
with current settings. It wasn't a rigorous testing though.

----- Original Message ----- 
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>
Sent: Saturday, November 15, 2008 3:16 AM
Subject: Re: [PATCH] i2c: i2c-omap: Fix standard and fast mode prescalers


> 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
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