Re: [PATCH v3 3/4] regulator: spacemit: MFD_SPACEMIT_P1 as dependencies

Alex Elder
2025-11-18T17:32:53Z

On 11/18/25 12:08 AM, Troy Mitchell wrote:
> REGULATOR_SPACEMIT_P1 is a subdevice of P1 and should depend on
> MFD_SPACEMIT_P1 rather than selecting it directly. Using 'select'
> does not always respect the parent's dependencies, so 'depends on'
> is the safer and more correct choice.
>
> Since MFD_SPACEMIT_P1 already depends on I2C_K1, the dependency
> in REGULATOR_SPACEMIT_P1 is now redundant.
>
> Additionally, the default value depends on MFD_SPACEMIT_P1 rather
> than ARCH_SPACEMIT.
>
> Acked-by: Mark Brown <broonie@kernel.org>
> Signed-off-by: Troy Mitchell <troy.mitchell@linux.spacemit.com>
> ---
> Changelog in v3:
> - modify commit message
> - change default value from ARCH_SPACEMIT to MFD_SPACEMIT_P1
> - Link to v2: https://lore.kernel.org/all/20251027-p1-kconfig-fix-v2-4-49688f30bae8@linux.spacemit.com/
> ---
> drivers/regulator/Kconfig | 5 ++---
> 1 file changed, 2 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
> index d84f3d054c59d86d91d859808aa73a3b609d16d0..e2cbbb90500189a1c4282511b8d7141301cae1f0 100644
> --- a/drivers/regulator/Kconfig
> +++ b/drivers/regulator/Kconfig
> @@ -1455,9 +1455,8 @@ config REGULATOR_SLG51000
> config REGULATOR_SPACEMIT_P1
> tristate "SpacemiT P1 regulators"
> depends on ARCH_SPACEMIT || COMPILE_TEST
> - depends on I2C
> - select MFD_SPACEMIT_P1
> - default ARCH_SPACEMIT
> + depends on MFD_SPACEMIT_P1
> + default MFD_SPACEMIT_P1

If possible:

default m if MFD_SPACEMIT_P1

Acked-by: Alex Elder <elder@riscstar.com>

> help
> Enable support for regulators implemented by the SpacemiT P1
> power controller. The P1 implements 6 high-efficiency buck
>