On 5 February 2013 16:34, Borislav Petkov <b...@alien8.de> wrote:
> Here's an even cleaner way:
>
> platform_driver:
> init(struct cpufreq_policy *policy)
> {
> ...
>
> add_additional_sysfs_entries(policy);
>
> ...
> }
>
> ...
>
> static void add_additional_sysfs_entries(struct cpufreq_policy *policy)
> {
> #ifdef CONFIG_CPUFREQ_MULTIPLE_POLICIES
> create-folder-in-cpu/cpu*/cpufreq;
> ...
> #endif
> }
>
> and the platform driver will have in its Kconfig section:
>
> config CPUFREQ_PLATFORM_DRIVER_X
> ...
> select CPUFREQ_MULTIPLE_POLICIES
>
>
> You don't need the policy->have_multiple_policies member even.
Tricky part is the name of this routine: add_additional_sysfs_entries().
I am not proposing additional set of directories inside cpu/cpu*/cpufreq/
but either of cpu/cpufreq/ or cpu/cpu*/cpufreq/ for governor.
And so, keeping that additional variable looks a better solution. Let me
get a patch with this change only and see how it looks.
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