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Release 4.12 include/linux/acpi_pmtmr.h

Directory: include/linux
#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 3579545

/* limit it to 24 bits */

#define ACPI_PM_MASK CLOCKSOURCE_MASK(24)

/* Overrun value */

#define ACPI_PM_OVRRUN	(1<<24)

#ifdef CONFIG_X86_PM_TIMER

extern u32 acpi_pm_read_verified(void);
extern u32 pmtmr_ioport;


static inline u32 acpi_pm_read_early(void) { if (!pmtmr_ioport) return 0; /* mask the output to 24 bits */ return acpi_pm_read_verified() & ACPI_PM_MASK; }

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#else
static inline u32 acpi_pm_read_early(void) { return 0; }

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#endif #endif

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Directory: include/linux
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