Merge tag 'u-boot-imx-20191228' of https://gitlab.denx.de/u-boot/custodians/u-boot-imx

[oweals/u-boot.git] / drivers / rtc / ds174x.c

diff --git a/drivers/rtc/ds174x.c b/drivers/rtc/ds174x.c
index 738d1185c2162ed8a5927b608117eb1ba6aa34a5..94f943d97a5e7570d996c3268fc7e675ed407d0d 100644 (file)
--- a/drivers/rtc/ds174x.c
+++ b/drivers/rtc/ds174x.c
@@ -1,26 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * (C) Copyright 2001
  * ARIO Data Networks, Inc. dchiu@ariodata.com
  *
  * Based on MontaVista DS1743 code and U-Boot mc146818 code
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * 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
  */
 
 /*
@@ -33,12 +16,8 @@
 #include <command.h>
 #include <rtc.h>
 
-#if defined(CONFIG_CMD_DATE)
-
 static uchar rtc_read( unsigned int addr );
 static void  rtc_write( unsigned int addr, uchar val);
-static uchar bin2bcd   (unsigned int n);
-static unsigned bcd2bin(uchar c);
 
 #define RTC_BASE               ( CONFIG_SYS_NVRAM_SIZE + CONFIG_SYS_NVRAM_BASE_ADDR )
 
@@ -191,15 +170,3 @@ static void rtc_write( unsigned int addr, uchar val )
 #endif
        out8( addr, val );
 }
-
-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));
-}
-
-#endif