linux-kernel - Re: [PATCH 2/2] usb: typec: fusb302: mark OF related data as maybe unused

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Date:   Mon, 13 Mar 2023 11:20:16 +0200
From:   Heikki Krogerus <heikki.krogerus@...ux.intel.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Guenter Roeck <linux@...ck-us.net>, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] usb: typec: fusb302: mark OF related data as maybe
 unused

On Fri, Mar 10, 2023 at 11:29:37PM +0100, Krzysztof Kozlowski wrote:
> The driver can be compile tested with !CONFIG_OF making certain data
> unused:
> 
>   drivers/usb/typec/tcpm/fusb302.c:1816:34: error: ‘fusb302_dt_match’ defined but not used [-Werror=unused-const-variable=]
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

Should this be marked as a fix?

Reviewed-by: Heikki Krogerus <heikki.krogerus@...ux.intel.com>

> ---
>  drivers/usb/typec/tcpm/fusb302.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/usb/typec/tcpm/fusb302.c b/drivers/usb/typec/tcpm/fusb302.c
> index 1ffce00d94b4..592b0aec782f 100644
> --- a/drivers/usb/typec/tcpm/fusb302.c
> +++ b/drivers/usb/typec/tcpm/fusb302.c
> @@ -1813,7 +1813,7 @@ static int fusb302_pm_resume(struct device *dev)
>  	return 0;
>  }
>  
> -static const struct of_device_id fusb302_dt_match[] = {
> +static const struct of_device_id fusb302_dt_match[] __maybe_unused = {
>  	{.compatible = "fcs,fusb302"},
>  	{},
>  };
> -- 
> 2.34.1

-- 
heikki