linux-kernel - Re: [BISECTED] OMAP: DSS: clk rate mismatch

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Message-ID: <52E9EB67.3010409@ti.com>
Date:	Thu, 30 Jan 2014 08:04:23 +0200
From:	Tomi Valkeinen <tomi.valkeinen@...com>
To:	Ivaylo Dimitrov <ivo.g.dimitrov.75@...il.com>
CC:	"linux-omap@...r.kernel.org" <linux-omap@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <pali.rohar@...il.com>,
	<pavel@....cz>, <chf.fritz@...glemail.com>,
	Tero Kristo <t-kristo@...com>, <nm@...com>
Subject: Re: [BISECTED] OMAP: DSS: clk rate mismatch

On 2014-01-29 20:52, Ivaylo Dimitrov wrote:

>> Can you try this one:
>>
>>  From e511789f7be00beeeee0712910c60a57c51b2705 Mon Sep 17 00:00:00 2001
>> From: Tomi Valkeinen <tomi.valkeinen@...com>
>> Date: Wed, 29 Jan 2014 13:28:53 +0200
>> Subject: [PATCH] clkoutx2 fix
>>
>> ---
>>   arch/arm/mach-omap2/cclock3xxx_data.c |  7 +++++++
>>   arch/arm/mach-omap2/dpll3xxx.c        | 20 ++++++++++++++++++++
>>   2 files changed, 27 insertions(+)
>>
> 
> Yep, that one fixes the problem. Thanks!

Ok, good. I'll probably do some studying about clk framework and clean
up the patch and post it.

Btw, the clkoutx2 fix makes the DSS clocks work for you generally, but
if you happen to hit clock rates that don't divide evenly, you may also
need the patches for clk-divider and dss I posted earlier.

> Now I only need to find why maemo is 10 times slower with linux-next
> compared to 3.13-rc7, but that is another story :).

I sure hope it's not DSS's doings =).

 Tomi



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