Re: [PATCH V2 Resend 37/92] cpufreq: acpi: don't initialize part of policy that is set by core too

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On Thursday, October 03, 2013 08:28:31 PM Viresh Kumar wrote:
> Many common initializations of struct policy are moved to core now and hence
> this driver doesn't need to do it. This patch removes such code.
> 
> Most recent of those changes is to call ->get() in the core after calling
> ->init().
> 
> Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
> ---
>  drivers/cpufreq/acpi-cpufreq.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c
> index 94a5a1d..a8dac7b 100644
> --- a/drivers/cpufreq/acpi-cpufreq.c
> +++ b/drivers/cpufreq/acpi-cpufreq.c
> @@ -842,7 +842,6 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy)
>  		break;
>  	case ACPI_ADR_SPACE_FIXED_HARDWARE:
>  		acpi_cpufreq_driver.get = get_cur_freq_on_cpu;
> -		policy->cur = get_cur_freq_on_cpu(cpu);
>  		break;
>  	default:
>  		break;

I'm wondering what happens if space_id is ACPI_ADR_SPACE_SYSTEM_IO?  I suppose
that the core will set policy->cur first and then it will be overwritten here?

-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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