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

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Date:	Tue, 12 Mar 2013 20:05:14 +0530
From:	Santosh Shilimkar <santosh.shilimkar@...com>
To:	Benoit Cousson <b-cousson@...com>
CC:	Nishanth Menon <nm@...com>, <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 Tuesday 12 March 2013 07:58 PM, Benoit Cousson wrote:
> 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.
> 
You are right. 

>>>
>>> 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.
> 
I obviously missed the point while acking the patch.

Regards,
santosh


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