Re: [PATCH] pinctrl: airoha: Fix AIROHA_PINCTRL_CONFS_DRIVE_E2 in an7583_pinctrl_match_data

[Christian Marangi <ansuelsmth@gmail.com>]

On Wed, Nov 12, 2025 at 11:44:30AM -0700, Nathan Chancellor wrote:
> Clang warns (or errors with CONFIG_WERROR=y / W=e):
> 
>   pinctrl/mediatek/pinctrl-airoha.c:2064:41: error: variable 'an7583_pinctrl_drive_e2_conf' is not needed and will not be emitted [-Werror,-Wunneeded-internal-declaration]
>    2064 | static const struct airoha_pinctrl_conf an7583_pinctrl_drive_e2_conf[] = {
>         |                                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
> 
> Due to a typo, an7583_pinctrl_drive_e2_conf is only used within
> ARRAY_SIZE() (hence no instance of -Wunused-variable), which is
> evaluated at compile time, so it will not be needed in the final object
> file.
> 
> Fix the .confs assignment for AIROHA_PINCTRL_CONFS_DRIVE_E2 in
> an7583_pinctrl_match_data to clear up the warning.
> 
> Closes: https://github.com/ClangBuiltLinux/linux/issues/2142
> Fixes: 3ffeb17a9a27 ("pinctrl: airoha: add support for Airoha AN7583 PINs")
> Signed-off-by: Nathan Chancellor <nathan@kernel.org>

Acked-by: Christian Marangi <ansuelsmth@gmail.com>

> ---
>  drivers/pinctrl/mediatek/pinctrl-airoha.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/pinctrl/mediatek/pinctrl-airoha.c b/drivers/pinctrl/mediatek/pinctrl-airoha.c
> index bfcedc7f920b..706532a820b0 100644
> --- a/drivers/pinctrl/mediatek/pinctrl-airoha.c
> +++ b/drivers/pinctrl/mediatek/pinctrl-airoha.c
> @@ -2993,7 +2993,7 @@ static const struct airoha_pinctrl_match_data an7583_pinctrl_match_data = {
>  			.num_confs = ARRAY_SIZE(an7583_pinctrl_pulldown_conf),
>  		},
>  		[AIROHA_PINCTRL_CONFS_DRIVE_E2] = {
> -			.confs = en7581_pinctrl_drive_e2_conf,
> +			.confs = an7583_pinctrl_drive_e2_conf,
>  			.num_confs = ARRAY_SIZE(an7583_pinctrl_drive_e2_conf),
>  		},
>  		[AIROHA_PINCTRL_CONFS_DRIVE_E4] = {
> 
> ---
> base-commit: 57916750bc0886917ea2c6209ca6a56acb7b8182
> change-id: 20251112-pinctrl-airoha-fix-an7583-drive-e2-confg-usage-bbf4cff20b50
> 
> Best regards,
> --  
> Nathan Chancellor <nathan@kernel.org>
> 

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