/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ACPI_PMTMR_H_ #define _ACPI_PMTMR_H_ #include <linux/clocksource.h> /* Number of PMTMR ticks expected during calibration run */ #define PMTMR_TICKS_PER_SEC … /* limit it to 24 bits */ #define ACPI_PM_MASK … /* Overrun value */ #define ACPI_PM_OVRRUN … #ifdef CONFIG_X86_PM_TIMER extern u32 acpi_pm_read_verified(void); extern u32 pmtmr_ioport; static inline u32 acpi_pm_read_early(void) { … } #else static inline u32 acpi_pm_read_early(void) { return 0; } #endif #endif