Re: [PATCH] ARM: configs: Drop duplicated CONFIG_EXT4_FS

On Wed, Jun 03, 2026 at 09:27:27AM +0800, Krzysztof Kozlowski wrote:
> Remove redundant, duplicated CONFIG_EXT4_FS to fix warnings like:
> 
>   axm55xx_defconfig:198:warning: override: reassigning to symbol EXT4_FS
> 
> Fixes: c065b6046b34 ("Use CONFIG_EXT4_FS instead of CONFIG_EXT3_FS in all of the defconfigs")
> Signed-off-by: Krzysztof Kozlowski <[email protected]>
> ---
>  arch/arm/configs/axm55xx_defconfig | 1 -
>  arch/arm/configs/dove_defconfig    | 1 -
>  arch/arm/configs/ep93xx_defconfig  | 1 -
>  arch/arm/configs/mmp2_defconfig    | 1 -
>  arch/arm/configs/mv78xx0_defconfig | 1 -
>  5 files changed, 5 deletions(-)
> 
> diff --git a/arch/arm/configs/axm55xx_defconfig b/arch/arm/configs/axm55xx_defconfig
> index 22b189090e15..0952e5e94c5e 100644
> --- a/arch/arm/configs/axm55xx_defconfig
> +++ b/arch/arm/configs/axm55xx_defconfig
> @@ -195,7 +195,6 @@ CONFIG_PL320_MBOX=y
>  # CONFIG_IOMMU_SUPPORT is not set
>  CONFIG_EXT2_FS=y
>  CONFIG_EXT4_FS=y
> -CONFIG_EXT4_FS=y
>  CONFIG_AUTOFS_FS=y
>  CONFIG_FUSE_FS=y
>  CONFIG_CUSE=y
> diff --git a/arch/arm/configs/dove_defconfig b/arch/arm/configs/dove_defconfig
> index e98c35df675e..3d978ce34b54 100644
> --- a/arch/arm/configs/dove_defconfig
> +++ b/arch/arm/configs/dove_defconfig
> @@ -97,7 +97,6 @@ CONFIG_MV_XOR=y
>  CONFIG_EXT2_FS=y
>  CONFIG_EXT4_FS=y
>  # CONFIG_EXT4_FS_XATTR is not set
> -CONFIG_EXT4_FS=y
>  CONFIG_ISO9660_FS=y
>  CONFIG_JOLIET=y
>  CONFIG_UDF_FS=m
> diff --git a/arch/arm/configs/ep93xx_defconfig b/arch/arm/configs/ep93xx_defconfig
> index 9f3c7324d1cf..ce41dc8c435c 100644
> --- a/arch/arm/configs/ep93xx_defconfig
> +++ b/arch/arm/configs/ep93xx_defconfig
> @@ -105,7 +105,6 @@ CONFIG_EP93XX_DMA=y
>  CONFIG_EXT2_FS=y
>  CONFIG_EXT4_FS=y
>  # CONFIG_EXT4_FS_XATTR is not set
> -CONFIG_EXT4_FS=y
>  CONFIG_VFAT_FS=y
>  CONFIG_TMPFS=y
>  CONFIG_JFFS2_FS=y
> diff --git a/arch/arm/configs/mmp2_defconfig b/arch/arm/configs/mmp2_defconfig
> index a9a212abfd69..0ea608c75f22 100644
> --- a/arch/arm/configs/mmp2_defconfig
> +++ b/arch/arm/configs/mmp2_defconfig
> @@ -54,7 +54,6 @@ CONFIG_RTC_DRV_MAX8925=y
>  # CONFIG_RESET_CONTROLLER is not set
>  CONFIG_EXT2_FS=y
>  CONFIG_EXT4_FS=y
> -CONFIG_EXT4_FS=y
>  # CONFIG_DNOTIFY is not set
>  CONFIG_MSDOS_FS=y
>  CONFIG_FAT_DEFAULT_CODEPAGE=437
> diff --git a/arch/arm/configs/mv78xx0_defconfig b/arch/arm/configs/mv78xx0_defconfig
> index d3a26efe766c..c6b46141cb69 100644
> --- a/arch/arm/configs/mv78xx0_defconfig
> +++ b/arch/arm/configs/mv78xx0_defconfig
> @@ -93,7 +93,6 @@ CONFIG_RTC_DRV_M41T80=y
>  CONFIG_EXT2_FS=y
>  CONFIG_EXT4_FS=y
>  # CONFIG_EXT4_FS_XATTR is not set
> -CONFIG_EXT4_FS=m
>  CONFIG_ISO9660_FS=m
>  CONFIG_JOLIET=y
>  CONFIG_UDF_FS=m
> -- 
> 2.53.0
> 
>

Hi Krzysztof,

LGTM.
Though I wonder which compiler did you use and how did you encounter
the warning? on what system if you may share with us?

Reviewed-by: Richard Cheng <[email protected]>

Best regards,
Richard Cheng.