Re: [PATCH] arm64: defconfig: Enable PINCTRL_S32G2

[Khristine Andreea Barbulescu <khristineandreea.barbulescu@oss.nxp.com>]

On 11/2/2026 4:24 PM, Greg Kroah-Hartman wrote:
> On Mon, Nov 02, 2026 at 03:16:35PM +0100, Khristine Andreea Barbulescu wrote:
>> Enable the NXP S32G2 pin controller driver in the arm64 defconfig so it
>> no longer requires a manual "make menuconfig" step. The symbol selects
>> PINCTRL_S32CC, pulling in the common S32 pin controller support used
>> across the S32G family.
>>
>> Signed-off-by: Khristine Andreea Barbulescu <khristineandreea.barbulescu@oss.nxp.com>
>> ---
>>  arch/arm64/configs/defconfig | 1 +
>>  1 file changed, 1 insertion(+)
>>
>> diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
>> index 7b4985b29b21..545a2b7db8a5 100644
>> --- a/arch/arm64/configs/defconfig
>> +++ b/arch/arm64/configs/defconfig
>> @@ -704,6 +704,7 @@ CONFIG_PINCTRL_BCM2712=y
>>  CONFIG_PINCTRL_SKY1=y
>>  CONFIG_PINCTRL_IMX_SCMI=y
>>  CONFIG_PINCTRL_IMX91=y
>> +CONFIG_PINCTRL_S32G2=y
> 
> Why?  Shouldn't the normal platform-specific defconfig work for this
> instead?  what defines the arm64 defconfig to require this now for all
> arm74 platforms?
> 
> thanks,
> 
> greg k-h

Hello Greg,

ARCH_S32 is already enabled in the arm64 defconfig, but the supported
S32G boards also depend on this pin controller for their pin muxing.
Without it, some peripherals never finish probing, so a defconfig kernel
cannot boot to rootfs on these boards.

Regards,
Khristine