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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 <zhipeng.wang_1@nxp.com> Reviewed-by: Peng Fan <peng.fan@nxp.com> Signed-off-by: Ulf Hansson <ulfh@kernel.org>
33 lines
713 B
Plaintext
33 lines
713 B
Plaintext
# SPDX-License-Identifier: GPL-2.0-only
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menu "i.MX PM Domains"
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config IMX_GPCV2_PM_DOMAINS
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bool "i.MX GPCv2 PM domains"
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depends on ARCH_MXC || (COMPILE_TEST && OF)
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depends on PM
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select PM_GENERIC_DOMAINS
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select REGMAP_MMIO
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default y if SOC_IMX7D
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config IMX8M_BLK_CTRL
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tristate "i.MX8M BLK CTRL driver"
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depends on SOC_IMX8M
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depends on IMX_GPCV2_PM_DOMAINS
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depends on PM_GENERIC_DOMAINS
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depends on COMMON_CLK
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default y
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config IMX9_BLK_CTRL
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tristate "i.MX93 BLK CTRL driver"
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depends on SOC_IMX9
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depends on PM_GENERIC_DOMAINS
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default y
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config IMX_SCU_PD
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tristate "IMX SCU Power Domain driver"
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depends on IMX_SCU
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help
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The System Controller Firmware (SCFW) based power domain driver.
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endmenu
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