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authorGraf Yang <graf.yang@analog.com>2010-01-27 14:16:32 +0300
committerMike Frysinger <vapier@gentoo.org>2010-03-09 08:30:50 +0300
commit6c2b7072a7035837998da38809f98e4182e4c41c (patch)
tree351bc14390bac981913ff8e5078f14cf29970848 /arch/blackfin/include/asm/time.h
parent3b82790c12f8122d3df07cc387d2d74355e54c75 (diff)
downloadlinux-6c2b7072a7035837998da38809f98e4182e4c41c.tar.xz
Blackfin: add support for cpufreq on SMP systems
Signed-off-by: Graf Yang <graf.yang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'arch/blackfin/include/asm/time.h')
-rw-r--r--arch/blackfin/include/asm/time.h7
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/blackfin/include/asm/time.h b/arch/blackfin/include/asm/time.h
index 767b938ccf8c..9ca7db844d10 100644
--- a/arch/blackfin/include/asm/time.h
+++ b/arch/blackfin/include/asm/time.h
@@ -23,9 +23,7 @@
*/
#ifndef CONFIG_CPU_FREQ
-#define TIME_SCALE 1
-#define __bfin_cycles_off (0)
-#define __bfin_cycles_mod (0)
+# define TIME_SCALE 1
#else
/*
* Blackfin CPU frequency scaling supports max Core Clock 1, 1/2 and 1/4 .
@@ -33,8 +31,11 @@
* adjust the Core Timer Presale Register. This way we don't lose time.
*/
#define TIME_SCALE 4
+
+# ifdef CONFIG_CYCLES_CLOCKSOURCE
extern unsigned long long __bfin_cycles_off;
extern unsigned int __bfin_cycles_mod;
+# endif
#endif
#if defined(CONFIG_TICKSOURCE_CORETMR)