linux-kernel - Re: [PATCH 5/5] i2c: synquacer: mark OF related data as maybe unused

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Date:   Sat, 11 Mar 2023 08:35:32 -0800
From:   Guenter Roeck <groeck@...gle.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     Benson Leung <bleung@...omium.org>,
        Guenter Roeck <groeck@...omium.org>,
        Qii Wang <qii.wang@...iatek.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Andreas Färber <afaerber@...e.de>,
        Manivannan Sadhasivam <mani@...nel.org>,
        Ard Biesheuvel <ardb@...nel.org>,
        Michal Simek <michal.simek@...inx.com>,
        linux-i2c@...r.kernel.org, chrome-platform@...ts.linux.dev,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org,
        linux-actions@...ts.infradead.org
Subject: Re: [PATCH 5/5] i2c: synquacer: mark OF related data as maybe unused

On Sat, Mar 11, 2023 at 3:17 AM Krzysztof Kozlowski
<krzysztof.kozlowski@...aro.org> wrote:
>
> The driver can be compile tested with !CONFIG_OF making certain data
> unused:
>
>   drivers/i2c/busses/i2c-synquacer.c:632:34: error: ‘synquacer_i2c_dt_ids’ defined but not used [-Werror=unused-const-variable=]
>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

Reviewed-by: Guenter Roeck <groeck@...omium.org>

> ---
>  drivers/i2c/busses/i2c-synquacer.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/i2c/busses/i2c-synquacer.c b/drivers/i2c/busses/i2c-synquacer.c
> index e4026c5416b1..50d19cf99a03 100644
> --- a/drivers/i2c/busses/i2c-synquacer.c
> +++ b/drivers/i2c/busses/i2c-synquacer.c
> @@ -629,7 +629,7 @@ static int synquacer_i2c_remove(struct platform_device *pdev)
>         return 0;
>  };
>
> -static const struct of_device_id synquacer_i2c_dt_ids[] = {
> +static const struct of_device_id synquacer_i2c_dt_ids[] __maybe_unused = {
>         { .compatible = "socionext,synquacer-i2c" },
>         { /* sentinel */ }
>  };
> --
> 2.34.1
>