linux-kernel - Re: [PATCH] ARM: shmobile: emev2: add PMU information to emev2.dtsi

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Date:	Wed, 31 Jul 2013 16:11:23 +0900
From:	Magnus Damm <magnus.damm@...il.com>
To:	Simon Horman <horms@...ge.net.au>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>,
	Tetsuyuki Kobayashi <koba@...kk.co.jp>,
	SH-Linux <linux-sh@...r.kernel.org>
Subject: Re: [PATCH] ARM: shmobile: emev2: add PMU information to emev2.dtsi

Hi Simon,

On Wed, Jul 31, 2013 at 4:05 PM, Simon Horman <horms@...ge.net.au> wrote:
> On Wed, Jul 31, 2013 at 03:39:04PM +0900, Simon Horman wrote:
>> On Wed, Jul 24, 2013 at 12:42:40PM +0900, Magnus Damm wrote:
>> > From: Magnus Damm <damm@...nsource.se>
>> >
>> > Add PMU information to emev2.dtsi. With this
>> > included KZM9D DT reference may use the PMU.
>>
>> Thanks, I will queue this up for v3.12 in the dt2 branch.
>
> When booting a debian armel userspace with this patch applied on top of
> renesas-devel-20130731 I see the following.
>
> I do not observe this problem with the sh73a0 or r8a7740 versions
> of this patch applied, though I assume that in the case of the r8a7740
> that is because it is UP.

Looks like the STI clockevent rating patch is missing. SMP operation
of EMEV2 is broken without that patch.

Cheers,

/ magnus
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