diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2007-10-12 23:04:06 +0200 |
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committer | Thomas Gleixner <tglx@inhelltoy.tec.linutronix.de> | 2007-10-12 23:04:06 +0200 |
commit | f5e0e93faf8421083853b2d7a217267f49e27cc3 (patch) | |
tree | 07feecfe09654c49a9f21ed93616793003a9f49c /include/asm-x86 | |
parent | 28769149c285e0a392d2e601ae0cc71ffc345f7d (diff) |
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 7577d058d86..28cf67da59a 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__ */ |