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DateFri, 07 Nov 2008 00:23:51 -0500
FromMathieu 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


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