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| author | Thomas Gleixner <tglx@linutronix.de> | 2011-05-20 20:06:24 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2011-05-20 20:08:05 +0200 |
| commit | 250f972d85effad5b6e10da4bbd877e6a4b503b6 (patch) | |
| tree | 007393a6fc6439af7e0121dd99a6f9f9fb8405bc /arch/arm/include/asm/i8253.h | |
| parent | clockevents: Move C3 stop test outside lock (diff) | |
| parent | MAINTAINERS: Add drivers/clocksource to TIMEKEEPING (diff) | |
| download | linux-250f972d85effad5b6e10da4bbd877e6a4b503b6.tar.xz linux-250f972d85effad5b6e10da4bbd877e6a4b503b6.zip | |
Merge branch 'timers/urgent' into timers/core
Reason: Get upstream fixes and kfree_rcu which is necessary for a
follow up patch.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/arm/include/asm/i8253.h')
| -rw-r--r-- | arch/arm/include/asm/i8253.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm/include/asm/i8253.h b/arch/arm/include/asm/i8253.h new file mode 100644 index 000000000000..70656b69d5ce --- /dev/null +++ b/arch/arm/include/asm/i8253.h @@ -0,0 +1,15 @@ +#ifndef __ASMARM_I8253_H +#define __ASMARM_I8253_H + +/* i8253A PIT registers */ +#define PIT_MODE 0x43 +#define PIT_CH0 0x40 + +#define PIT_LATCH ((PIT_TICK_RATE + HZ / 2) / HZ) + +extern raw_spinlock_t i8253_lock; + +#define outb_pit outb_p +#define inb_pit inb_p + +#endif |