linux-kernel - Re: [PATCH 6/7] cpufreq: intel

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Date:	Mon, 09 Jun 2014 14:22:42 -0700
From:	Joe Perches <joe@...ches.com>
To:	Stratos Karafotis <stratosk@...aphore.gr>
Cc:	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Viresh Kumar <viresh.kumar@...aro.org>,
	Dirk Brandewie <dirk.j.brandewie@...el.com>,
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 6/7] cpufreq: intel_pstate: Trivial code cleanup

On Tue, 2014-06-10 at 00:01 +0300, Stratos Karafotis wrote:
> Remove unnecessary braces.

[]

> @@ -204,20 +203,16 @@ static inline void intel_pstate_busy_pid_reset(struct cpudata *cpu)

>  static inline void intel_pstate_reset_all_pid(void)
>  {
>  	unsigned int cpu;
> -	for_each_online_cpu(cpu) {
> +
> +	for_each_online_cpu(cpu)
>  		if (all_cpu_data[cpu])
>  			intel_pstate_busy_pid_reset(all_cpu_data[cpu]);
> -	}

It's pretty traditional to keep the braces here
as it generally makes it clearer for the reader.

	for (...) {
		if (foo)
			bar();
	}

is generally used over

	for (...)
		if (foo)
			bar();

Just like using

	if (foo) {
		/* commment */
		bar();
	}

> @@ -748,15 +744,14 @@ static int intel_pstate_init_cpu(unsigned int cpunum)
[]
> -	pr_info("Intel pstate controlling: cpu %d\n", cpunum);
> +	pr_info("Intel pstate controlling: CPU %d\n", cpunum);

cpu is very slightly preferred lower case.

$ git grep -E -i '^[^"]*"[^"]*\bcpu\b'|grep -w -i -o cpu | sort |uniq -c | sort -rn
   2705 cpu
   2084 CPU
     17 Cpu


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