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Message-ID: <aec9ee4b771b70d0839d51b836e6301f0a2a1276.camel@perches.com>
Date:   Thu, 03 Nov 2022 07:15:24 -0700
From:   Joe Perches <joe@...ches.com>
To:     Colin Ian King <colin.i.king@...il.com>,
        "Rafael J . Wysocki" <rafael@...nel.org>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        linux-pm@...r.kernel.org
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] cpufreq: longhaul: Make array speeds static const

On Thu, 2022-11-03 at 13:21 +0000, Colin Ian King wrote:
> Don't populate the read-only array speeds on the stack but instead
> make it static. Also makes the object code a little smaller.
[]
> diff --git a/drivers/cpufreq/longhaul.c b/drivers/cpufreq/longhaul.c
[]
> @@ -407,7 +407,7 @@ static int guess_fsb(int mult)
>  {
>  	int speed = cpu_khz / 1000;
>  	int i;
> -	int speeds[] = { 666, 1000, 1333, 2000 };
> +	static const int speeds[] = { 666, 1000, 1333, 2000 };
>  	int f_max, f_min;
>  
>  	for (i = 0; i < 4; i++) {

style trivia:  the loop test is probably better using ARRAY_SIZE

	for (i = 0; i < ARRAY_SIZE(speeds); i++)

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