linux-kernel - Re: [PATCH] pinctrl: qcom: sdm845: Fix CONFIG preprocessor guard

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Date:   Fri, 21 Jun 2019 13:41:17 -0700
From:   Nick Desaulniers <ndesaulniers@...gle.com>
To:     Nathan Chancellor <natechancellor@...il.com>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        linux-gpio@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
        clang-built-linux <clang-built-linux@...glegroups.com>,
        Lee Jones <lee.jones@...aro.org>
Subject: Re: [PATCH] pinctrl: qcom: sdm845: Fix CONFIG preprocessor guard

On Fri, Jun 21, 2019 at 1:21 PM Nathan Chancellor
<natechancellor@...il.com> wrote:
>
> Clang warns when CONFIG_ACPI is unset:
>
>  drivers/pinctrl/qcom/pinctrl-sdm845.c:1320:5: warning: 'CONFIG_ACPI' is
>  not defined, evaluates to 0 [-Wundef]
>  #if CONFIG_ACPI
>      ^
>  1 warning generated.
>
> Use ifdef instead of if to resolve this.
>
> Fixes: a229105d7a1e ("pinctrl: qcom: sdm845: Provide ACPI support")
> Link: https://github.com/ClangBuiltLinux/linux/issues/569
> Signed-off-by: Nathan Chancellor <natechancellor@...il.com>

Thanks for the patch.
Reviewed-by: Nick Desaulniers <ndesaulniers@...gle.com>

> ---
>  drivers/pinctrl/qcom/pinctrl-sdm845.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/pinctrl/qcom/pinctrl-sdm845.c b/drivers/pinctrl/qcom/pinctrl-sdm845.c
> index 06790e5ece6c..39f498c09906 100644
> --- a/drivers/pinctrl/qcom/pinctrl-sdm845.c
> +++ b/drivers/pinctrl/qcom/pinctrl-sdm845.c
> @@ -1317,7 +1317,7 @@ static int sdm845_pinctrl_probe(struct platform_device *pdev)
>         return ret;
>  }
>
> -#if CONFIG_ACPI
> +#ifdef CONFIG_ACPI

Thanks,
~Nick Desaulniers