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

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Message-ID: <e5c364fc-e53e-39fb-7b59-06573101adb0@roeck-us.net>
Date:   Fri, 10 Mar 2023 15:22:14 -0800
From:   Guenter Roeck <linux@...ck-us.net>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        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 3/10/23 14:29, 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>

Reviewed-by: Guenter Roeck <linux@...ck-us.net>

> ---
>   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"},
>   	{},
>   };