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authorIngo Molnar <mingo@elte.hu>2008-10-12 06:35:23 -0400
committerIngo Molnar <mingo@elte.hu>2008-10-12 06:37:32 -0400
commit365d46dc9be9b3c833990a06f3994b1987eda578 (patch)
tree9397d1304144a288411f2118707f44ff5e862fa6 /arch/mips/include/asm/timex.h
parent5dc64a3442b98eaa0e3730c35fcf00cf962a93e7 (diff)
parentfd048088306656824958e7783ffcee27e241b361 (diff)
Merge branch 'linus' into x86/xen
Conflicts: arch/x86/kernel/cpu/common.c arch/x86/kernel/process_64.c arch/x86/xen/enlighten.c
Diffstat (limited to 'arch/mips/include/asm/timex.h')
-rw-r--r--arch/mips/include/asm/timex.h43
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/mips/include/asm/timex.h b/arch/mips/include/asm/timex.h
new file mode 100644
index 000000000000..6529704aa73a
--- /dev/null
+++ b/arch/mips/include/asm/timex.h
@@ -0,0 +1,43 @@
1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 1998, 1999, 2003 by Ralf Baechle
7 */
8#ifndef _ASM_TIMEX_H
9#define _ASM_TIMEX_H
10
11#ifdef __KERNEL__
12
13#include <asm/mipsregs.h>
14
15/*
16 * This is the clock rate of the i8253 PIT. A MIPS system may not have
17 * a PIT by the symbol is used all over the kernel including some APIs.
18 * So keeping it defined to the number for the PIT is the only sane thing
19 * for now.
20 */
21#define CLOCK_TICK_RATE 1193182
22
23/*
24 * Standard way to access the cycle counter.
25 * Currently only used on SMP for scheduling.
26 *
27 * Only the low 32 bits are available as a continuously counting entity.
28 * But this only means we'll force a reschedule every 8 seconds or so,
29 * which isn't an evil thing.
30 *
31 * We know that all SMP capable CPUs have cycle counters.
32 */
33
34typedef unsigned int cycles_t;
35
36static inline cycles_t get_cycles(void)
37{
38 return 0;
39}
40
41#endif /* __KERNEL__ */
42
43#endif /* _ASM_TIMEX_H */