Re: [PATCH v5] cpufreq: Add SFI based cpufreq driver support

["Kasagar, Srinidhi" <srinidhi.kasagar@intel.com>]

On Tue, Nov 18, 2014 at 11:15:45AM +0530, Srinidhi Kasagar wrote:
> This adds the SFI based cpu freq driver for some of the Intel's
> Silvermont based Atom architectures like Z34xx and Z35xx.
> 
> Signed-off-by: Rudramuni, Vishwesh M <vishwesh.m.rudramuni@intel.com>
> Signed-off-by: Srinidhi Kasagar <srinidhi.kasagar@intel.com>
> Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
> ---

[..]

> +static int sfi_cpufreq_register_performance(struct sfi_cpufreq_performance *pr)
> +{
> +	mutex_lock(&performance_mutex);
> +
> +	/* parse the freq table from SFI */
> +	sfi_table_parse(SFI_SIG_FREQ, NULL, NULL, parse_freq);
> +
> +	pr->state_count = sfi_cpufreq_num;
> +	if (pr->state_count <= 1) {
> +		pr_err("No p-states discovered\n");
> +		return -ENODEV;
Was in a hurry, will release the mutex in the next version. Let me
knmow if you have further comments.

Srinidhi