linux-kernel - Re: [PATCH v6 1/2] cpufreq: mediatek-hw: Add support for Mediatek cpufreq HW driver

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Date:   Thu, 10 Sep 2020 09:12:45 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Hector Yuan <hector.yuan@...iatek.com>
Cc:     linux-mediatek@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-pm@...r.kernel.org,
        devicetree@...r.kernel.org,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Rob Herring <robh+dt@...nel.org>, linux-kernel@...r.kernel.org,
        wsd_upstream@...iatek.com
Subject: Re: [PATCH v6 1/2] cpufreq: mediatek-hw: Add support for Mediatek
 cpufreq HW driver

On 09-09-20, 21:34, Hector Yuan wrote:
> +static unsigned int mtk_cpufreq_hw_get(unsigned int cpu)
> +{
> +	struct cpufreq_mtk *c;
> +	struct cpufreq_policy *policy;
> +	unsigned int index;
> +
> +	policy = cpufreq_cpu_get_raw(cpu);
> +	if (!policy)
> +		return 0;

Why didn't you drop policy as we discussed in previous version ?

> +	c = mtk_freq_domain_map[cpu];
> +
> +	index = readl_relaxed(c->reg_bases[REG_PERF_STATE]);
> +	index = min(index, LUT_MAX_ENTRIES - 1);
> +
> +	return policy->freq_table[index].frequency;

policy->freq_table and c->table are same, isn't it ?

> +}
> +
> +static struct platform_driver mtk_cpufreq_hw_driver = {
> +	.probe = mtk_cpufreq_hw_driver_probe,
> +	.remove = mtk_cpufreq_hw_driver_remove,
> +	.driver = {
> +		.name = "mtk-cpufreq-hw",
> +		.of_match_table = mtk_cpufreq_hw_match,
> +	},
> +};
> +

Remove this blank line.

> +module_platform_driver(mtk_cpufreq_hw_driver);
> +
> +MODULE_DESCRIPTION("mtk CPUFREQ HW Driver");

Maybe write this is "Mediatek cpufreq-hw driver" ?

> +MODULE_LICENSE("GPL v2");
> -- 
> 1.7.9.5

-- 
viresh