Messages in this thread Patch in this message | | | Date | Fri, 07 Nov 2008 00:23:51 -0500 | From | Mathieu Desnoyers <> | Subject | [RFC patch 15/18] MIPS : export hpt frequency for trace_clock. |
| |
Trace_clock needs to export the hpt frequency to modules (e.g. LTTng).
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> CC: Ralf Baechle <ralf@linux-mips.org> --- arch/mips/include/asm/timex.h | 2 ++ arch/mips/kernel/time.c | 1 + 2 files changed, 3 insertions(+)
Index: linux.trees.git/arch/mips/include/asm/timex.h =================================================================== --- linux.trees.git.orig/arch/mips/include/asm/timex.h 2008-11-07 00:16:05.000000000 -0500 +++ linux.trees.git/arch/mips/include/asm/timex.h 2008-11-07 00:16:17.000000000 -0500 @@ -89,6 +89,8 @@ static inline void write_tsc(u32 val1, u write_c0_compare(read_c0_count() + DELAY_INTERRUPT); } +extern unsigned int mips_hpt_frequency; + #endif /* __KERNEL__ */ #endif /* _ASM_TIMEX_H */ Index: linux.trees.git/arch/mips/kernel/time.c =================================================================== --- linux.trees.git.orig/arch/mips/kernel/time.c 2008-07-19 09:18:07.000000000 -0400 +++ linux.trees.git/arch/mips/kernel/time.c 2008-11-07 00:16:17.000000000 -0500 @@ -70,6 +70,7 @@ EXPORT_SYMBOL(perf_irq); */ unsigned int mips_hpt_frequency; +EXPORT_SYMBOL(mips_hpt_frequency); void __init clocksource_set_clock(struct clocksource *cs, unsigned int clock) { -- Mathieu Desnoyers OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68
| |