Commit e1bdbbc9 authored by Mario Limonciello's avatar Mario Limonciello Committed by Rafael J. Wysocki
Browse files

ACPI: Add missing prototype for non CONFIG_SUSPEND/CONFIG_X86 case 



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: default avatarkernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202502191627.fRgoBwcZ-lkp@intel.com/


Signed-off-by: default avatarMario Limonciello <mario.limonciello@amd.com>
Link: https://patch.msgid.link/20250407183656.1503446-1-superm1@kernel.org


Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent 0af2f6be

include/linux/acpi.h

+8 −1
Original line number Diff line number Diff line
@@ -1125,13 +1125,13 @@ 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);
@@ -1140,6 +1140,13 @@ 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