linux-kernel - Re: [PATCH 2/2] cpufreq: cpufreq-cpu0: provide compatibility string for DT matchup

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Message-ID: <513F3B98.6050909@ti.com>
Date:	Tue, 12 Mar 2013 15:28:40 +0100
From:	Benoit Cousson <b-cousson@...com>
To:	Santosh Shilimkar <santosh.shilimkar@...com>,
	Nishanth Menon <nm@...com>
CC:	<linux-pm@...r.kernel.org>,
	"devicetree-discuss@...ts.ozlabs.org" 
	<devicetree-discuss@...ts.ozlabs.org>,
	<linux-kernel@...r.kernel.org>, cpufreq <cpufreq@...r.kernel.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>, <linux-omap@...r.kernel.org>
Subject: Re: [PATCH 2/2] cpufreq: cpufreq-cpu0: provide compatibility string
 for DT matchup

On 03/12/2013 06:07 AM, Santosh Shilimkar wrote:
> On Tuesday 12 March 2013 04:35 AM, Nishanth Menon wrote:
>> commit 5553f9e (cpufreq: instantiate cpufreq-cpu0 as a platform_driver)
>> now forces platform device to be registered for allowing cpufreq-cpu0
>> to be used by SoCs. example: drivers/cpufreq/highbank-cpufreq.c
>>
>> However, for SoCs that wish to link up using device tree, instead
>> of platform device, provide compatibility string match:
>> compatible = "cpufreq,cpu0";

You cannot add a non-HW relative binding... DT is supposed to represent
the pure HW.
AFAIK, cpufreq has nothing to do with the HW definition.

>>
>> Cc: "Rafael J. Wysocki" <rjw@...k.pl>
>> Cc: Santosh Shilimkar <santosh.shilimkar@...com>
>> Cc: Shawn Guo <shawn.guo@...aro.org>
>> Cc: linux-kernel@...r.kernel.org
>> Cc: cpufreq@...r.kernel.org
>> Cc: linux-pm@...r.kernel.org
>> Cc: linux-omap@...r.kernel.org
>>
>> Signed-off-by: Nishanth Menon <nm@...com>
>> ---
>>  .../devicetree/bindings/cpufreq/cpufreq-cpu0.txt   |    3 +++
>>  drivers/cpufreq/cpufreq-cpu0.c                     |    6 ++++++
>>  2 files changed, 9 insertions(+)
>>
> Looks fine to me. CC'ing dt list in case some one has
> comments on binding updates.
> 
> Acked-by: Santosh Shilimkar <santosh.shilimkar@...com>

Not-Acked-by-me.

Regards,
Benoit



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