rtc/ds1337.c: Allow to set TCR register

[u-boot] / drivers / rtc / ds12887.c

diff --git a/drivers/rtc/ds12887.c b/drivers/rtc/ds12887.c
index 990ebba2633f59076b1e2c9ae1aacf23e80cf368..486105f5edb9eb6ef535ec1f1912f47159f10636 100644 (file)
--- a/drivers/rtc/ds12887.c
+++ b/drivers/rtc/ds12887.c
@@ -28,7 +28,7 @@
 #include <config.h>
 #include <rtc.h>
 
-#if defined(CONFIG_RTC_DS12887) && defined(CONFIG_CMD_DATE)
+#if defined(CONFIG_CMD_DATE)
 
 #define RTC_SECONDS                    0x00
 #define RTC_SECONDS_ALARM              0x01
@@ -76,18 +76,6 @@ static void rtc_write (uchar reg, uchar val)
 # error Board specific rtc access functions should be supplied
 #endif
 
-static unsigned bcd2bin (uchar n)
-{
-       return ((((n >> 4) & 0x0F) * 10) + (n & 0x0F));
-}
-
-static unsigned char bin2bcd (unsigned int n)
-{
-       return (((n / 10) << 4) | (n % 10));
-}
-
-/* ------------------------------------------------------------------------- */
-
 int rtc_get (struct rtc_time *tmp)
 {
        uchar sec, min, hour, mday, wday, mon, year;
@@ -154,7 +142,7 @@ else
        return 0;
 }
 
-void rtc_set (struct rtc_time *tmp)
+int rtc_set (struct rtc_time *tmp)
 {
        uchar save_ctrl_b;
        uchar sec, min, hour, mday, wday, mon, year;
@@ -202,6 +190,8 @@ void rtc_set (struct rtc_time *tmp)
        /* enables the RTC to update the regs */
        save_ctrl_b &= ~RTC_CB_SET;
        rtc_write(RTC_CONTROL_B, save_ctrl_b);
+
+       return 0;
 }
 
 void rtc_reset (void)