diff options
| author |   Thomas Gleixner <tglx@linutronix.de> | 2007-10-12 23:04:06 +0200 |
|---|---|---|
| committer |   Thomas Gleixner <tglx@inhelltoy.tec.linutronix.de> | 2007-10-12 23:04:06 +0200 |
| commit | f5e0e93faf8421083853b2d7a217267f49e27cc3 (patch) | |
| tree | 07feecfe09654c49a9f21ed93616793003a9f49c /include/asm-x86 | |
| parent | i386: prepare sharing the hpet code with x86_64 (diff) | |
| download | linux-dev-f5e0e93faf8421083853b2d7a217267f49e27cc3.tar.xz linux-dev-f5e0e93faf8421083853b2d7a217267f49e27cc3.zip | |
i386: prepare sharing the PIT code
PIT clock events work already and the PIT handling is the same for
i386 and x86_64. x86_64 does not support PIT as a clock source, so
disable the PIT clocksource for x86_64.
Prepare i8253.h to be shared with x8664
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Diffstat (limited to 'include/asm-x86')
| -rw-r--r-- | include/asm-x86/i8253_32.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/include/asm-x86/i8253_32.h b/include/asm-x86/i8253_32.h index 7577d058d86e..28cf67da59a3 100644 --- a/include/asm-x86/i8253_32.h +++ b/include/asm-x86/i8253_32.h @@ -1,8 +1,6 @@ #ifndef __ASM_I8253_H__ #define __ASM_I8253_H__ -#include <linux/clockchips.h> - /* i8253A PIT registers */ #define PIT_MODE 0x43 #define PIT_CH0 0x40 @@ -10,8 +8,12 @@ extern spinlock_t i8253_lock; +#ifdef CONFIG_GENERIC_CLOCKEVENTS + extern struct clock_event_device *global_clock_event; extern void setup_pit_timer(void); +#endif + #endif /* __ASM_I8253_H__ */ |