Merge tag 'for-v2020.04' of https://gitlab.denx.de/u-boot/custodians/u-boot-i2c

[oweals/u-boot.git] / drivers / rtc / rs5c372.c

diff --git a/drivers/rtc/rs5c372.c b/drivers/rtc/rs5c372.c
index d6cd7c825df743b4735c8aa44326b175fa1c5188..97ec001aef56f1cecd3540922874e180ea5f1061 100644 (file)
--- a/drivers/rtc/rs5c372.c
+++ b/drivers/rtc/rs5c372.c
@@ -17,16 +17,6 @@
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.         See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
  */
 
 #include <common.h>
@@ -34,7 +24,6 @@
 #include <rtc.h>
 #include <i2c.h>
 
-#if defined(CONFIG_CMD_DATE)
 /*
  * Reads are always done starting with register 15, which requires some
  * jumping-through-hoops to access the data correctly.
@@ -67,9 +56,6 @@ static unsigned int rtc_debug = DEBUG;
 #define HOURS_24(n)    bcd2bin((n) & 0x3F)
 
 
-static uchar bin2bcd (unsigned int n);
-static unsigned bcd2bin (uchar c);
-
 static int setup_done = 0;
 
 static int
@@ -260,46 +246,11 @@ int rtc_set (struct rtc_time *tmp)
 }
 
 /*
- * Reset the RTC. We set the date back to 1970-01-01.
+ * Reset the RTC.
  */
 void
 rtc_reset (void)
 {
-       struct rtc_time tmp;
-
        if (!setup_done)
                rs5c372_enable();
-
-       if (!setup_done)
-               return;
-
-       tmp.tm_year = 1970;
-       tmp.tm_mon = 1;
-       /* Jan. 1, 1970 was a Thursday */
-       tmp.tm_wday= 4;
-       tmp.tm_mday= 1;
-       tmp.tm_hour = 0;
-       tmp.tm_min = 0;
-       tmp.tm_sec = 0;
-
-       rtc_set(&tmp);
-
-       printf ("RTC:   %4d-%02d-%02d %2d:%02d:%02d UTC\n",
-               tmp.tm_year, tmp.tm_mon, tmp.tm_mday,
-               tmp.tm_hour, tmp.tm_min, tmp.tm_sec);
-
-       return;
-}
-
-static unsigned int
-bcd2bin (unsigned char n)
-{
-       return ((((n >> 4) & 0x0F) * 10) + (n & 0x0F));
 }
-
-static unsigned char
-bin2bcd (unsigned int n)
-{
-       return (((n / 10) << 4) | (n % 10));
-}
-#endif