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authorDavid S. Miller <davem@davemloft.net>2010-01-04 15:33:22 -0800
committerDavid S. Miller <davem@davemloft.net>2010-01-04 15:33:22 -0800
commit5958eed76ccc8c361f872829bdc4b8c6dc9cd379 (patch)
tree8f8dfcced082db674b0ae3ca3af9fdb6dde59dae /arch/sh/include/asm/timex.h
parentc7c17c2779075e675cb3c7fe2ecde67e226771fb (diff)
parentc5974b835a909ff15c3b7e6cf6789b5eb919f419 (diff)
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Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
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>