1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * Copyright (C) 2015 Imagination Technologies
4  * Author: Alex Smith <alex.smith@imgtec.com>
5  */
6 
7 #ifndef __ASM_CLOCKSOURCE_H
8 #define __ASM_CLOCKSOURCE_H
9 
10 #include <linux/types.h>
11 
12 /* VDSO clocksources. */
13 #define VDSO_CLOCK_NONE		0	/* No suitable clocksource. */
14 #define VDSO_CLOCK_R4K		1	/* Use the coprocessor 0 count. */
15 #define VDSO_CLOCK_GIC		2	/* Use the GIC. */
16 
17 /**
18  * struct arch_clocksource_data - Architecture-specific clocksource information.
19  * @vdso_clock_mode: Method the VDSO should use to access the clocksource.
20  */
21 struct arch_clocksource_data {
22 	u8 vdso_clock_mode;
23 };
24 
25 #endif /* __ASM_CLOCKSOURCE_H */
26