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clocksource / ACPI: Add probing infrastructure for ACPI-based clocksources

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DT enjoys a rather nice probing infrastructure for clocksources,
while ACPI is so far stuck into a very distant past.

This patch introduces a declarative API, allowing clocksources
to be self-contained and be called when parsing the GTDT table.

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Marc Zyngier 2015-09-28 15:49:15 +01:00 • committed by Rafael J. Wysocki
parent f26527b142
commit c625f76a99
3 changed files with 8 additions and 0 deletions
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3
include/linux/clocksource.h
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@ -258,4 +258,7 @@ void acpi_generic_timer_init(void);
static inline void acpi_generic_timer_init(void) { }
#endif
#define CLOCKSOURCE_ACPI_DECLARE(name, table_id, fn) \
ACPI_DECLARE_PROBE_ENTRY(clksrc, name, table_id, 0, NULL, 0, fn)
#endif /* _LINUX_CLOCKSOURCE_H */