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clocksource: Add new CLKSRC_{PROBE,ACPI} config symbols

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The clocksource probing infrastructure currently depends on
CONFIG_CLKSRC_OF, which depends on CONFIG_OF. In order to make
this infrastructure selectable even if CONFIG_OF is not selected,
introduce a new CONFIG_CLKSRC_PROBE (which allow the infrastructure
to be compiled in), and CONFIG_CLKSRC_ACPI (which is the pendent
of CONFIG_CLKSRC_OF for ACPI).

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 15:49:16 +01:00 • committed by Rafael J. Wysocki
parent c625f76a99
commit aad83b15aa
3 changed files with 10 additions and 2 deletions
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2
include/linux/clocksource.h
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@ -246,7 +246,7 @@ extern int clocksource_i8253_init(void);
#define CLOCKSOURCE_OF_DECLARE(name, compat, fn) \
OF_DECLARE_1(clksrc, name, compat, fn)
#ifdef CONFIG_CLKSRC_OF
#ifdef CONFIG_CLKSRC_PROBE
extern void clocksource_of_init(void);
#else
static inline void clocksource_of_init(void) {}