Re: [PATCH V3 14/16] cpufreq: Allow drivers to enable boost support after registering driver

Stephen Boyd
2015-07-31T06:12:41Z

On 07/29, Viresh Kumar wrote:
> In some cases it wouldn't be known at time of driver registration, if
> the driver needs to support boost frequencies.
>
> For example, while getting boost information from DT with opp-v2
> bindings, we need to parse the bindings for all the CPUs to know if
> turbo/boost OPPs are supported or not.
>
> One way out to do that efficiently is to delay supporting boost mode
> (i.e. creating /sys/devices/system/cpu/cpufreq/boost file), until the
> time OPP bindings are parsed.
>
> At that point, the driver can enable boost support. This can be done at
> ->init(), where the frequency table is created.
>
> To do that, the driver requires few APIs from cpufreq core that let him
> do this. This patch provides these APIs.
>
> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
> ---

Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>

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