linux-kernel - Re: [PATCH 2/5] i2c: owl: drop of_match

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Date:   Sat, 11 Mar 2023 08:05:21 -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 2/5] i2c: owl: drop of_match_ptr for ID table

On Sat, Mar 11, 2023 at 3:17 AM Krzysztof Kozlowski
<krzysztof.kozlowski@...aro.org> wrote:
>
> The driver can match only via the DT table so the table should be always
> used and the of_match_ptr does not have any sense (this also allows ACPI
> matching via PRP0001, even though it might not be relevant here).
>
>   drivers/i2c/busses/i2c-owl.c:510:34: error: ‘owl_i2c_of_match’ 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-owl.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/i2c/busses/i2c-owl.c b/drivers/i2c/busses/i2c-owl.c
> index 98882fe4e965..99ddd8894964 100644
> --- a/drivers/i2c/busses/i2c-owl.c
> +++ b/drivers/i2c/busses/i2c-owl.c
> @@ -519,7 +519,7 @@ static struct platform_driver owl_i2c_driver = {
>         .probe          = owl_i2c_probe,
>         .driver         = {
>                 .name   = "owl-i2c",
> -               .of_match_table = of_match_ptr(owl_i2c_of_match),
> +               .of_match_table = owl_i2c_of_match,
>                 .probe_type = PROBE_PREFER_ASYNCHRONOUS,
>         },
>  };
> --
> 2.34.1
>