> From: Arnd Bergmann <arnd@arndb.de>
> 
> The #if check causes a build failure when CONFIG_DEBUG_FS is turned
> off:
> 
> In file included from drivers/net/ethernet/airoha/airoha_eth.c:17:
> drivers/net/ethernet/airoha/airoha_eth.h:543:5: error: "CONFIG_DEBUG_FS" is not defined, evaluates to 0 [-Werror=undef]
>   543 | #if CONFIG_DEBUG_FS
>       |     ^~~~~~~~~~~~~~~
> 
> Replace it with the correct #ifdef.
> 
> Fixes: 3fe15c640f38 ("net: airoha: Introduce PPE debugfs support")
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Acked-by: Lorenzo Bianconi <lorenzo@kernel.org>

> ---
>  drivers/net/ethernet/airoha/airoha_eth.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/ethernet/airoha/airoha_eth.h b/drivers/net/ethernet/airoha/airoha_eth.h
> index f66b9b736b94..60690b685710 100644
> --- a/drivers/net/ethernet/airoha/airoha_eth.h
> +++ b/drivers/net/ethernet/airoha/airoha_eth.h
> @@ -540,7 +540,7 @@ void airoha_ppe_deinit(struct airoha_eth *eth);
>  struct airoha_foe_entry *airoha_ppe_foe_get_entry(struct airoha_ppe *ppe,
>  						  u32 hash);
>  
> -#if CONFIG_DEBUG_FS
> +#ifdef CONFIG_DEBUG_FS
>  int airoha_ppe_debugfs_init(struct airoha_ppe *ppe);
>  #else
>  static inline int airoha_ppe_debugfs_init(struct airoha_ppe *ppe)
> -- 
> 2.39.5
>