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 11:48:22 +0800
From:   Hector Yuan <hector.yuan@...iatek.com>
To:     Viresh Kumar <viresh.kumar@...aro.org>
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 Thu, 2020-09-10 at 09:12 +0530, Viresh Kumar wrote:
> 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 ?
> 
Sorry I missed that. Thank you.
> > +	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 ?
> 
Yes, you are right.
> > +}
> > +
> > +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.
> 
OK
> > +module_platform_driver(mtk_cpufreq_hw_driver);
> > +
> > +MODULE_DESCRIPTION("mtk CPUFREQ HW Driver");
> 
> Maybe write this is "Mediatek cpufreq-hw driver" ?
> 
OK
> > +MODULE_LICENSE("GPL v2");
> > -- 
> > 1.7.9.5
>