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The symbol selects >>>> PINCTRL_S32CC, pulling in the common S32 pin controller support used >>>> across the S32G family. > > Well, my standard request - why would we want it? You need to list the > upstream board(s) needing it. We do not develop defconfig for downstream. > > Hello Krzysztof, The upstream boards needing it are the S32G2-based S32G274A-EVB and S32G274A-RDB2 and the S32G3-based S32G399A-RDB3. All of them rely on the SIUL2 pin controller, so a defconfig kernel needs it enabled to boot to rootfs on these boards. > Also, odd CC-list, really random. > > Please use scripts/get_maintainers.pl to get a list of necessary people > and lists to CC (and consider --no-git-fallback argument, so you will > not CC people just because they made one commit years ago). It might > happen, that command when run on an older kernel, gives you outdated > entries. Therefore please be sure you base your patches on recent Linux > kernel. > > Tools like b4 or scripts/get_maintainer.pl provide you proper list of > people, so fix your workflow. Tools might also fail if you work on some > ancient tree (don't, instead use mainline) or work on fork of kernel > (don't, instead use mainline). Just use b4 and everything should be > fine, although remember about `b4 prep --auto-to-cc` if you added new > patches to the patchset. > You're right, generated the list on an outdated tree. Thank you for the explanations. I'll use latest b4 / get_maintainer.pl for the next version. >>>> >>>> Signed-off-by: Khristine Andreea Barbulescu >>>> --- >>>> 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. > > Greg has valid point, you did not really address it. Explain why it > should be user-selectable choice in the first place. > > > Best regards, > Krzysztof Agree, since the driver is required by all S32G boards, it shouldn't need to be selected manually. In v2 I'll make PINCTRL_S32G2 default to ARCH_S32 in Kconfig, instead of adding it to the defconfig, and also list the upstream boards needing it in the commit message. Best regards, Khristine