linux-kernel - Re: [PATCH v2 26/30] misc: eeprom: at24: Tell the compiler that ACPI functions may not be used

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Date:   Wed, 1 Jul 2020 10:48:26 +0200
From:   Wolfram Sang <wsa@...nel.org>
To:     Lee Jones <lee.jones@...aro.org>
Cc:     arnd@...db.de, gregkh@...uxfoundation.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 26/30] misc: eeprom: at24: Tell the compiler that ACPI
 functions may not be used

On Wed, Jul 01, 2020 at 09:31:14AM +0100, Lee Jones wrote:
> ... as is the case when !CONFIG_ACPI.
> 
> Fixes the following W=1 kernel build warning:
> 
>  drivers/misc/eeprom/at24.c:228:36: warning: ‘at24_acpi_ids’ defined but not used [-Wunused-const-variable=]
> 
> Cc: Wolfram Sang <wsa@...nel.org>
> Signed-off-by: Lee Jones <lee.jones@...aro.org>

Please CC the maintainer (Bartosz Golaszewski
<bgolaszewski@...libre.com>) and the I2C list. get_maintainer.pl will
help you doing that automatically. Please also mention if this is
planned to go in via a specific tree and want acks or if you want the
patches to be picked up individually.

> ---
>  drivers/misc/eeprom/at24.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c
> index 9ff18d4961ceb..2591c21b2b5d8 100644
> --- a/drivers/misc/eeprom/at24.c
> +++ b/drivers/misc/eeprom/at24.c
> @@ -225,7 +225,7 @@ static const struct of_device_id at24_of_match[] = {
>  };
>  MODULE_DEVICE_TABLE(of, at24_of_match);
>  
> -static const struct acpi_device_id at24_acpi_ids[] = {
> +static const struct acpi_device_id __maybe_unused at24_acpi_ids[] = {
>  	{ "INT3499",	(kernel_ulong_t)&at24_data_INT3499 },
>  	{ "TPF0001",	(kernel_ulong_t)&at24_data_24c1024 },
>  	{ /* END OF LIST */ }
> -- 
> 2.25.1
> 

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