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i8253: Create common clockevent implementation

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arm, mips and x86 implement i8253 based clockevents. All the same code
copied. Create a common implementation in drivers/clocksource/i8253.c.

About time to rename drivers/clocksource/ to something else.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: John Stultz <john.stultz@linaro.org>
Link: http://lkml.kernel.org/r/20110609130621.921710458@linutronix.de
This commit is contained in:
Thomas Gleixner
2011-06-09 13:08:25 +00:00
parent 21f07f4f57
commit e6220bdc94
3 changed files with 100 additions and 8 deletions
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2
include/linux/i8253.h
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@@ -24,6 +24,8 @@
#define outb_pit outb_p
extern raw_spinlock_t i8253_lock;
extern struct clock_event_device i8253_clockevent;
extern void clockevent_i8253_init(bool oneshot);
extern void setup_pit_timer(void);