Sorry for the delay.
On Wed, Sep 9, 2020 at 12:15 AM Lina Iyer <ilina@xxxxxxxxxxxxxx> wrote:
>
> Commit 83788c0caed3 ("cpuidle: remove unused exports") removed
> capability of registering cpuidle governors, which was unused at that
> time. By exporting the symbol, let's allow platform specific modules to
> register cpuidle governors and use cpuidle_governor_latency_req() to get
> the QoS for the CPU.
Which platform-specific modules may want to do that and why?
> Signed-off-by: Lina Iyer <ilina@xxxxxxxxxxxxxx>
> ---
> drivers/cpuidle/governor.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/cpuidle/governor.c b/drivers/cpuidle/governor.c
> index 29acaf48e575..0e51ed25665e 100644
> --- a/drivers/cpuidle/governor.c
> +++ b/drivers/cpuidle/governor.c
> @@ -102,6 +102,7 @@ int cpuidle_register_governor(struct cpuidle_governor *gov)
>
> return ret;
> }
> +EXPORT_SYMBOL_GPL(cpuidle_register_governor);
>
> /**
> * cpuidle_governor_latency_req - Compute a latency constraint for CPU
> @@ -118,3 +119,4 @@ s64 cpuidle_governor_latency_req(unsigned int cpu)
>
> return (s64)device_req * NSEC_PER_USEC;
> }
> +EXPORT_SYMBOL_GPL(cpuidle_governor_latency_req);
> --
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> a Linux Foundation Collaborative Project
>
