7 files changed, 22 insertions, 65 deletions

diff --git a/arch/m68k/mvme16x/rtc.c b/arch/m68k/mvme16x/rtc.c
index a69fe3048edc..b0e4c084df8a 100644
--- a/arch/m68k/mvme16x/rtc.c
+++ b/arch/m68k/mvme16x/rtc.c
@@ -17,6 +17,7 @@
 #include <linux/poll.h>
 #include <linux/mc146818rtc.h>  /* For struct rtc_time and ioctls, etc */
 #include <linux/smp_lock.h>
+#include <linux/bcd.h>
 #include <asm/mvme16xhw.h>
 
 #include <asm/io.h>
@@ -31,9 +32,6 @@
  *      ioctls.
  */
 
-#define BCD2BIN(val) (((val)&15) + ((val)>>4)*10)
-#define BIN2BCD(val) ((((val)/10)<<4) + (val)%10)
-
 static const unsigned char days_in_mo[] =
 {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
 
diff --git a/arch/mips/momentum/ocelot_3/setup.c b/arch/mips/momentum/ocelot_3/setup.c
index 969612eab8a6..370e75d0e75c 100644
--- a/arch/mips/momentum/ocelot_3/setup.c
+++ b/arch/mips/momentum/ocelot_3/setup.c
@@ -58,6 +58,7 @@
 #include <linux/bootmem.h>
 #include <linux/mv643xx.h>
 #include <linux/pm.h>
+#include <linux/bcd.h>
 
 #include <asm/time.h>
 #include <asm/page.h>
@@ -131,9 +132,6 @@ void setup_wired_tlb_entries(void)
         add_wired_entry(ENTRYLO(0xfc000000), ENTRYLO(0xfd000000), (signed)0xfc000000, PM_16M);
 }
 
-#define CONV_BCD_TO_BIN(val)    (((val) & 0xf) + (((val) >> 4) * 10))
-#define CONV_BIN_TO_BCD(val)    (((val) % 10) + (((val) / 10) << 4))
-
 unsigned long m48t37y_get_time(void)
 {
         unsigned int year, month, day, hour, min, sec;
@@ -143,16 +141,16 @@ unsigned long m48t37y_get_time(void)
         /* stop the update */
         rtc_base[0x7ff8] = 0x40;
 
-        year = CONV_BCD_TO_BIN(rtc_base[0x7fff]);
-        year += CONV_BCD_TO_BIN(rtc_base[0x7ff1]) * 100;
+        year = BCD2BIN(rtc_base[0x7fff]);
+        year += BCD2BIN(rtc_base[0x7ff1]) * 100;
 
-        month = CONV_BCD_TO_BIN(rtc_base[0x7ffe]);
+        month = BCD2BIN(rtc_base[0x7ffe]);
 
-        day = CONV_BCD_TO_BIN(rtc_base[0x7ffd]);
+        day = BCD2BIN(rtc_base[0x7ffd]);
 
-        hour = CONV_BCD_TO_BIN(rtc_base[0x7ffb]);
-        min = CONV_BCD_TO_BIN(rtc_base[0x7ffa]);
-        sec = CONV_BCD_TO_BIN(rtc_base[0x7ff9]);
+        hour = BCD2BIN(rtc_base[0x7ffb]);
+        min = BCD2BIN(rtc_base[0x7ffa]);
+        sec = BCD2BIN(rtc_base[0x7ff9]);
 
         /* start the update */
         rtc_base[0x7ff8] = 0x00;
@@ -175,22 +173,22 @@ int m48t37y_set_time(unsigned long sec)
         rtc_base[0x7ff8] = 0x80;
 
         /* year */
-        rtc_base[0x7fff] = CONV_BIN_TO_BCD(tm.tm_year % 100);
-        rtc_base[0x7ff1] = CONV_BIN_TO_BCD(tm.tm_year / 100);
+        rtc_base[0x7fff] = BIN2BCD(tm.tm_year % 100);
+        rtc_base[0x7ff1] = BIN2BCD(tm.tm_year / 100);
 
         /* month */
-        rtc_base[0x7ffe] = CONV_BIN_TO_BCD(tm.tm_mon);
+        rtc_base[0x7ffe] = BIN2BCD(tm.tm_mon);
 
         /* day */
-        rtc_base[0x7ffd] = CONV_BIN_TO_BCD(tm.tm_mday);
+        rtc_base[0x7ffd] = BIN2BCD(tm.tm_mday);
 
         /* hour/min/sec */
-        rtc_base[0x7ffb] = CONV_BIN_TO_BCD(tm.tm_hour);
-        rtc_base[0x7ffa] = CONV_BIN_TO_BCD(tm.tm_min);
-        rtc_base[0x7ff9] = CONV_BIN_TO_BCD(tm.tm_sec);
+        rtc_base[0x7ffb] = BIN2BCD(tm.tm_hour);
+        rtc_base[0x7ffa] = BIN2BCD(tm.tm_min);
+        rtc_base[0x7ff9] = BIN2BCD(tm.tm_sec);
 
         /* day of week -- not really used, but let's keep it up-to-date */
-        rtc_base[0x7ffc] = CONV_BIN_TO_BCD(tm.tm_wday + 1);
+        rtc_base[0x7ffc] = BIN2BCD(tm.tm_wday + 1);
 
         /* disable writing */
         rtc_base[0x7ff8] = 0x00;
diff --git a/arch/mips/tx4938/common/rtc_rx5c348.c b/arch/mips/tx4938/common/rtc_rx5c348.c
index f74295f28527..07f782fc0725 100644
--- a/arch/mips/tx4938/common/rtc_rx5c348.c
+++ b/arch/mips/tx4938/common/rtc_rx5c348.c
@@ -14,6 +14,7 @@
 #include <linux/string.h>
 #include <linux/rtc.h>
 #include <linux/time.h>
+#include <linux/bcd.h>
 #include <asm/time.h>
 #include <asm/tx4938/spi.h>
 
@@ -77,17 +78,6 @@ spi_rtc_io(unsigned char *inbuf, unsigned char *outbuf, unsigned int count)
                            inbufs, incounts, outbufs, outcounts, 0);
 }
 
-/*
- * Conversion between binary and BCD.
- */
-#ifndef BCD_TO_BIN
-#define BCD_TO_BIN(val) ((val)=((val)&15) + ((val)>>4)*10)
-#endif
-
-#ifndef BIN_TO_BCD
-#define BIN_TO_BCD(val) ((val)=(((val)/10)<<4) + (val)%10)
-#endif
-
 /* RTC-dependent code for time.c */
 
 static int
diff --git a/arch/sh/boards/mpc1211/rtc.c b/arch/sh/boards/mpc1211/rtc.c
index 8ae2dc11d8e5..a76c655dceee 100644
--- a/arch/sh/boards/mpc1211/rtc.c
+++ b/arch/sh/boards/mpc1211/rtc.c
@@ -9,16 +9,9 @@
 #include <linux/kernel.h>
 #include <linux/sched.h>
 #include <linux/time.h>
+#include <linux/bcd.h>
 #include <linux/mc146818rtc.h>
 
-#ifndef BCD_TO_BIN
-#define BCD_TO_BIN(val) ((val)=((val)&15) + ((val)>>4)*10)
-#endif
-
-#ifndef BIN_TO_BCD
-#define BIN_TO_BCD(val) ((val)=(((val)/10)<<4) + (val)%10)
-#endif
-
 unsigned long get_cmos_time(void)
 {
         unsigned int year, mon, day, hour, min, sec;
diff --git a/arch/sh/boards/sh03/rtc.c b/arch/sh/boards/sh03/rtc.c
index e8bec67be84d..d609863cfe53 100644
--- a/arch/sh/boards/sh03/rtc.c
+++ b/arch/sh/boards/sh03/rtc.c
@@ -9,6 +9,7 @@
 #include <linux/kernel.h>
 #include <linux/sched.h>
 #include <linux/time.h>
+#include <linux/bcd.h>
 #include <asm/io.h>
 #include <linux/rtc.h>
 #include <linux/spinlock.h>
@@ -33,14 +34,6 @@
 #define RTC_BUSY        1
 #define RTC_STOP        2
 
-#ifndef BCD_TO_BIN
-#define BCD_TO_BIN(val) ((val)=((val)&15) + ((val)>>4)*10)
-#endif
-
-#ifndef BIN_TO_BCD
-#define BIN_TO_BCD(val) ((val)=(((val)/10)<<4) + (val)%10)
-#endif
-
 extern void (*rtc_get_time)(struct timespec *);
 extern int (*rtc_set_time)(const time_t);
 extern spinlock_t rtc_lock;
diff --git a/arch/sh/kernel/cpu/rtc.c b/arch/sh/kernel/cpu/rtc.c
index f8361f5e788b..4304cf75cfa2 100644
--- a/arch/sh/kernel/cpu/rtc.c
+++ b/arch/sh/kernel/cpu/rtc.c
@@ -9,18 +9,10 @@
 #include <linux/kernel.h>
 #include <linux/sched.h>
 #include <linux/time.h>
-
+#include <linux/bcd.h>
 #include <asm/io.h>
 #include <asm/rtc.h>
 
-#ifndef BCD_TO_BIN
-#define BCD_TO_BIN(val) ((val)=((val)&15) + ((val)>>4)*10)
-#endif
-
-#ifndef BIN_TO_BCD
-#define BIN_TO_BCD(val) ((val)=(((val)/10)<<4) + (val)%10)
-#endif
-
 void sh_rtc_gettimeofday(struct timespec *ts)
 {
         unsigned int sec128, sec, sec2, min, hr, wk, day, mon, yr, yr100, cf_bit;
diff --git a/arch/sh64/kernel/time.c b/arch/sh64/kernel/time.c
index 0773c9f389f3..6b8f4d22abc6 100644
--- a/arch/sh64/kernel/time.c
+++ b/arch/sh64/kernel/time.c
@@ -30,6 +30,7 @@
 #include <linux/profile.h>
 #include <linux/smp.h>
 #include <linux/module.h>
+#include <linux/bcd.h>
 
 #include <asm/registers.h>       /* required by inline __asm__ stmt. */
 
@@ -105,14 +106,6 @@
 #define RCR1            rtc_base+0x38
 #define RCR2            rtc_base+0x3c
 
-#ifndef BCD_TO_BIN
-#define BCD_TO_BIN(val) ((val)=((val)&15) + ((val)>>4)*10)
-#endif
-
-#ifndef BIN_TO_BCD
-#define BIN_TO_BCD(val) ((val)=(((val)/10)<<4) + (val)%10)
-#endif
-
 #define TICK_SIZE (tick_nsec / 1000)
 
 extern unsigned long wall_jiffies;