Re: [PATCH v5 2/3] pmdomain: imx: scu-pd: allow building as a module

On Thu, Jul 23, 2026 at 11:05:23AM +0900, [email protected] wrote:
>From: Zhipeng Wang <[email protected]>
>
>Convert CONFIG_IMX_SCU_PD from bool to tristate to allow building as a
>loadable module. This is needed on Android devices using the Generic
>Kernel Image (GKI), where SoC-specific drivers must be built as modules
>rather than built into the core kernel image.
>
>For i.MX8Q devices running Android with a GKI kernel, the SCU power
>domain driver must be loadable. Without tristate support, power domains
>cannot be properly initialized, preventing these systems from
>functioning under GKI.
>
>Use subsys_initcall() so that when built-in the power domain provider
>probes before its consumers (e.g. the SCU clock driver at
>device_initcall level), fixing "failed to attached the power domain"
>warnings at boot. When built as a module, subsys_initcall() is
>equivalent to module_init(). No module_exit() is provided because the
>SCU power domain provider is a system-level resource that cannot be
>safely removed at runtime.
>
>Add MODULE_DEVICE_TABLE() for OF-based module autoloading.
>
>Signed-off-by: Zhipeng Wang <[email protected]>

Reviewed-by: Peng Fan <[email protected]>