Re: [PATCH 2/2] cpufreq: cpufreq-cpu0: provide compatibility stringfor DT matchup

From: Benoit Cousson
Date: Tue Mar 12 2013 - 10:28:58 EST


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@xxxxxxx>
>> Cc: Santosh Shilimkar <santosh.shilimkar@xxxxxx>
>> Cc: Shawn Guo <shawn.guo@xxxxxxxxxx>
>> Cc: linux-kernel@xxxxxxxxxxxxxxx
>> Cc: cpufreq@xxxxxxxxxxxxxxx
>> Cc: linux-pm@xxxxxxxxxxxxxxx
>> Cc: linux-omap@xxxxxxxxxxxxxxx
>>
>> Signed-off-by: Nishanth Menon <nm@xxxxxx>
>> ---
>> .../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@xxxxxx>

Not-Acked-by-me.

Regards,
Benoit



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