Re: [PATCH] PM: Prevent direct cpufreq scaling during initialization

[Kevin Hilman <khilman@deeprootsystems.com>]

Romit Dasgupta <romit@ti.com> writes:

> It is seen that the OMAP specific cpufreq initialization code tries to
> scale the MPU frequency to the highest possible without taking care of
> the voltage level. On power on reset the power IC does not provide the
> necessary voltage for the highest available MPU frequency (that would
> satisfy all Si families). This potentially is an window of opportunity
> for things to go wrong.
>
> Signed-off-by: Romit Dasgupta <romit@ti.com>

Looks good.  Pulling into PM branch, and queing in pm-fixes for .33-rc
series.

Kevin

> ---
> diff --git a/arch/arm/plat-omap/cpu-omap.c b/arch/arm/plat-omap/cpu-omap.c
> index 449b6b6..f94df20 100644
> --- a/arch/arm/plat-omap/cpu-omap.c
> +++ b/arch/arm/plat-omap/cpu-omap.c
> @@ -149,8 +149,6 @@ static int __init omap_cpu_init(struct cpufreq_policy *policy)
>  							VERY_HI_RATE) / 1000;
>  	}
>  
> -	clk_set_rate(mpu_clk, policy->cpuinfo.max_freq * 1000);
> -
>  	policy->min = policy->cpuinfo.min_freq;
>  	policy->max = policy->cpuinfo.max_freq;
>  	policy->cur = omap_getspeed(0);