101 struct clocksource {  struct
102 	u64			(*read)(struct clocksource *cs);  argument
110 	struct arch_clocksource_data archdata;  argument
118 	enum clocksource_ids	id;  argument
121 	struct clocksource_base *base;  argument
123 	int			(*enable)(struct clocksource *cs);  argument
124 	void			(*disable)(struct clocksource *cs);  argument
125 	void			(*suspend)(struct clocksource *cs);  argument
126 	void			(*resume)(struct clocksource *cs);  argument
127 	void			(*mark_unstable)(struct clocksource *cs);  argument
128 	void			(*tick_stable)(struct clocksource *cs);  argument
155 static inline u32 clocksource_freq2mult(u32 freq, u32 shift_constant, u64 from)  in clocksource_freq2mult()  argument