[PATCH v5 19/20] cpufreq: add support for CPU DVFS based on SCMI message protocol

Quentin Perret quentin.perret at arm.com
Thu Feb 22 01:04:04 PST 2018


Hi Sudeep,

On Monday 12 Feb 2018 at 18:45:23 (+0000), Sudeep Holla wrote:
[...]
> +/*
> + * perf_ops->freq_set is not a synchronous, the actual OPP change will
> + * happen asynchronously and can get notified if the events are
> + * subscribed for by the SCMI firmware
> + */
> +static int
> +scmi_cpufreq_set_target(struct cpufreq_policy *policy, unsigned int index)
> +{
> +	struct scmi_data *priv = policy->driver_data;
> +	struct scmi_perf_ops *perf_ops = handle->perf_ops;
> +	u64 freq = policy->freq_table[index].frequency * 1000;
> +
> +	return perf_ops->freq_set(handle, priv->domain_id, freq, false);
> +}

Is arch_set_freq_scale() needed in this function ?

Thanks,
Quentin



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