linux-kernel - Re: [PATCH v2] cpufreq: qcom-kryo: Fix section mismatch warning

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Message-ID: <20180919213253.dphckfar3fnrfvl3@vireshk-mac-ubuntu>
Date:   Wed, 19 Sep 2018 14:32:53 -0700
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Nathan Chancellor <natechancellor@...il.com>
Cc:     Ilia Lin <ilia.lin@...il.com>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Nick Desaulniers <ndesaulniers@...gle.com>
Subject: Re: [PATCH v2] cpufreq: qcom-kryo: Fix section mismatch warning

On 19-09-18, 11:22, Nathan Chancellor wrote:
> WARNING: vmlinux.o(.text+0x8aa424): Section mismatch in reference from
> the function qcom_cpufreq_kryo_probe() to the function
> .init.text:qcom_cpufreq_kryo_get_msm_id()
> The function qcom_cpufreq_kryo_probe() references
> the function __init qcom_cpufreq_kryo_get_msm_id().
> This is often because qcom_cpufreq_kryo_probe lacks a __init
> annotation or the annotation of qcom_cpufreq_kryo_get_msm_id is wrong.
> 
> Add the '__init' annotation to qcom_cpufreq_kryo_probe so that there is
> no more mismatch warning.
> 
> Fixes: 46e2856b8e18 ("cpufreq: Add Kryo CPU scaling driver")
> Reported-by: Nick Desaulniers <ndesaulniers@...gle.com>
> Signed-off-by: Nathan Chancellor <natechancellor@...il.com>
> ---
> 
> v1 -> v2:
> 
> Add '__init' to qcom_cpufreq_kryo_probe instead of removing it from
> qcom_cpufreq_kryo_get_msm_id.
> 
>  drivers/cpufreq/qcom-cpufreq-kryo.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/cpufreq/qcom-cpufreq-kryo.c b/drivers/cpufreq/qcom-cpufreq-kryo.c
> index a1830fa25fc5..e001ef8ea7de 100644
> --- a/drivers/cpufreq/qcom-cpufreq-kryo.c
> +++ b/drivers/cpufreq/qcom-cpufreq-kryo.c
> @@ -73,7 +73,7 @@ static enum _msm8996_version __init qcom_cpufreq_kryo_get_msm_id(void)
>  	return version;
>  }
>  
> -static int qcom_cpufreq_kryo_probe(struct platform_device *pdev)
> +static int __init qcom_cpufreq_kryo_probe(struct platform_device *pdev)
>  {
>  	struct opp_table *opp_tables[NR_CPUS] = {0};
>  	enum _msm8996_version msm8996_version;

Acked-by: Viresh Kumar <viresh.kumar@...aro.org>

-- 
viresh