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authorIngo Molnar <mingo@elte.hu>2010-02-08 08:55:43 +0100
committerIngo Molnar <mingo@elte.hu>2010-02-08 08:55:46 +0100
commit6d3e0907b8b239d16720d144e2675ecf10d3bc3b (patch)
treee0b0743b5f6f82b057cafc4f3687396a6e01a0b4 /arch/sh/include/asm/timex.h
parent23577256953c870de9b724c3a2611ce7be6a1e4e (diff)
parent50200df462023b187d80a99a52f5f2cfe3c86c26 (diff)
downloadlinux-rt-6d3e0907b8b239d16720d144e2675ecf10d3bc3b.tar.gz
Merge branch 'sched/urgent' into sched/core
Merge reason: Merge dependent fix, update to latest -rc. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/sh/include/asm/timex.h')
-rw-r--r--arch/sh/include/asm/timex.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/sh/include/asm/timex.h b/arch/sh/include/asm/timex.h
index b556d49e5f2b..18bf06d9c764 100644
--- a/arch/sh/include/asm/timex.h
+++ b/arch/sh/include/asm/timex.h
@@ -6,7 +6,17 @@
#ifndef __ASM_SH_TIMEX_H
#define __ASM_SH_TIMEX_H
+/*
+ * Only parts using the legacy CPG code for their clock framework
+ * implementation need to define their own Pclk value. If provided, this
+ * can be used for accurately setting CLOCK_TICK_RATE, otherwise we
+ * simply fall back on the i8253 PIT value.
+ */
+#ifdef CONFIG_SH_PCLK_FREQ
#define CLOCK_TICK_RATE (CONFIG_SH_PCLK_FREQ / 4) /* Underlying HZ */
+#else
+#define CLOCK_TICK_RATE 1193180
+#endif
#include <asm-generic/timex.h>