From c27da339698145a9383e052c1070a950d30da478 Mon Sep 17 00:00:00 2001
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: Wed, 19 Sep 2007 14:21:56 +1000
Subject: [POWERPC] Fix timekeeping on PowerPC 601

Recent changes to the timekeeping code broke support for the PowerPC 601
processor which doesn't have the usual timebase facility but a slightly
different thing called (yuck) the RTC.

This fixes it, boot tested on an old 601 based PowerMac 7200.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
---
 include/asm-powerpc/time.h | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'include/asm-powerpc')

diff --git a/include/asm-powerpc/time.h b/include/asm-powerpc/time.h
index d7f5ddfbaac7..c104c15c6625 100644
--- a/include/asm-powerpc/time.h
+++ b/include/asm-powerpc/time.h
@@ -149,6 +149,11 @@ static inline u64 get_tb(void)
 }
 #endif /* !CONFIG_PPC64 */
 
+static inline u64 get_tb_or_rtc(void)
+{
+	return __USE_RTC() ? get_rtc() : get_tb();
+}
+
 static inline void set_tb(unsigned int upper, unsigned int lower)
 {
 	mtspr(SPRN_TBWL, 0);
-- 
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