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authorIngo Molnar <mingo@elte.hu>2008-08-14 12:19:59 +0200
committerIngo Molnar <mingo@elte.hu>2008-08-14 12:19:59 +0200
commit8d7ccaa545490cdffdfaff0842436a8dd85cf47b (patch)
tree8129b5907161bc6ae26deb3645ce1e280c5e1f51 /include/linux/bcd.h
parentb2139aa0eec330c711c5a279db361e5ef1178e78 (diff)
parent30a2f3c60a84092c8084dfe788b710f8d0768cd4 (diff)
Merge commit 'v2.6.27-rc3' into x86/prototypes
Conflicts: include/asm-x86/dma-mapping.h Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/bcd.h')
-rw-r--r--include/linux/bcd.h9
1 files changed, 7 insertions, 2 deletions
diff --git a/include/linux/bcd.h b/include/linux/bcd.h
index c545308125b..7ac518e3c15 100644
--- a/include/linux/bcd.h
+++ b/include/linux/bcd.h
@@ -10,8 +10,13 @@
#ifndef _BCD_H
#define _BCD_H
-#define BCD2BIN(val) (((val) & 0x0f) + ((val)>>4)*10)
-#define BIN2BCD(val) ((((val)/10)<<4) + (val)%10)
+#include <linux/compiler.h>
+
+unsigned bcd2bin(unsigned char val) __attribute_const__;
+unsigned char bin2bcd(unsigned val) __attribute_const__;
+
+#define BCD2BIN(val) bcd2bin(val)
+#define BIN2BCD(val) bin2bcd(val)
/* backwards compat */
#define BCD_TO_BIN(val) ((val)=BCD2BIN(val))