linux-kernel - Re: [PATCH] cpufreq: armada-37xx: stop using 0 as NULL pointer

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Message-ID: <20230110040233.dm6ldb5qgl2ksiht@vireshk-i7>
Date:   Tue, 10 Jan 2023 09:32:33 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Miles Chen <miles.chen@...iatek.com>
Cc:     Andrew Lunn <andrew@...n.ch>,
        Gregory Clement <gregory.clement@...tlin.com>,
        Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-pm@...r.kernel.org, linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH] cpufreq: armada-37xx: stop using 0 as NULL pointer

On 10-01-23, 11:12, Miles Chen wrote:
> Use NULL for NULL pointer to fix the following sparse warning:
> drivers/cpufreq/armada-37xx-cpufreq.c:448:32: sparse: warning: Using plain integer as NULL pointer
> 
> Signed-off-by: Miles Chen <miles.chen@...iatek.com>
> ---
>  drivers/cpufreq/armada-37xx-cpufreq.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/cpufreq/armada-37xx-cpufreq.c b/drivers/cpufreq/armada-37xx-cpufreq.c
> index c10fc33b29b1..b74289a95a17 100644
> --- a/drivers/cpufreq/armada-37xx-cpufreq.c
> +++ b/drivers/cpufreq/armada-37xx-cpufreq.c
> @@ -445,7 +445,7 @@ static int __init armada37xx_cpufreq_driver_init(void)
>  		return -ENODEV;
>  	}
>  
> -	clk = clk_get(cpu_dev, 0);
> +	clk = clk_get(cpu_dev, NULL);
>  	if (IS_ERR(clk)) {
>  		dev_err(cpu_dev, "Cannot get clock for CPU0\n");
>  		return PTR_ERR(clk);

Applied. Thanks.

-- 
viresh