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Date: Thu, 05 Jul 2007 12:02:53 -0500
From: Olof Johansson <olof@lixom.net>
To: linuxppc-dev@ozlabs.org
Subject: [patch 20/35] Remove idle_spin function pointer
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Remove idle_spin function pointer, since it just seems to make the idle
loop run hotter by doing bl/blr.

Index: 2.6.21/arch/powerpc/platforms/pasemi/idle.c
===================================================================
--- 2.6.21.orig/arch/powerpc/platforms/pasemi/idle.c
+++ 2.6.21/arch/powerpc/platforms/pasemi/idle.c
@@ -34,7 +34,7 @@ struct sleep_mode {
 };
 
 static struct sleep_mode modes[] = {
-	{ .name = "spin", .entry = &idle_spin },
+	{ .name = "spin", .entry = NULL },
 	{ .name = "doze", .entry = &idle_doze },
 };
 
Index: 2.6.21/arch/powerpc/platforms/pasemi/powersave.S
===================================================================
--- 2.6.21.orig/arch/powerpc/platforms/pasemi/powersave.S
+++ 2.6.21/arch/powerpc/platforms/pasemi/powersave.S
@@ -49,9 +49,6 @@ _doze:
 	b	.
 
 
-_GLOBAL(idle_spin)
-	blr
-
 _GLOBAL(idle_doze)
 	LOAD_REG_ADDR(r3, _doze)
 	b	sleep_common

--