From: Mario Limonciello <mario.limonciello@xxxxxxx> acpi_register_lps0_dev() and acpi_unregister_lps0_dev() may be used in drivers that don't require CONFIG_SUSPEND or compile on !X86. Add prototypes for those cases. Reported-by: kernel test robot <lkp@xxxxxxxxx> Closes: https://lore.kernel.org/oe-kbuild-all/202502191627.fRgoBwcZ-lkp@xxxxxxxxx/ Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx> --- v3: * Add struct acpi_s2idle_dev_ops outside defines too --- include/linux/acpi.h | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 4e495b29c640f..8d2abe5dede93 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -1115,13 +1115,13 @@ void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state, acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state, u32 val_a, u32 val_b); -#if defined(CONFIG_SUSPEND) && defined(CONFIG_X86) struct acpi_s2idle_dev_ops { struct list_head list_node; void (*prepare)(void); void (*check)(void); void (*restore)(void); }; +#if defined(CONFIG_SUSPEND) && defined(CONFIG_X86) int acpi_register_lps0_dev(struct acpi_s2idle_dev_ops *arg); void acpi_unregister_lps0_dev(struct acpi_s2idle_dev_ops *arg); int acpi_get_lps0_constraint(struct acpi_device *adev); @@ -1130,6 +1130,13 @@ static inline int acpi_get_lps0_constraint(struct device *dev) { return ACPI_STATE_UNKNOWN; } +static inline int acpi_register_lps0_dev(struct acpi_s2idle_dev_ops *arg) +{ + return -ENODEV; +} +static inline void acpi_unregister_lps0_dev(struct acpi_s2idle_dev_ops *arg) +{ +} #endif /* CONFIG_SUSPEND && CONFIG_X86 */ void arch_reserve_mem_area(acpi_physical_address addr, size_t size); #else -- 2.43.0