Merge tag 'u-boot-rockchip-20200501' of https://gitlab.denx.de/u-boot/custodians...

[oweals/u-boot.git] / drivers / rtc / m41t11.c

diff --git a/drivers/rtc/m41t11.c b/drivers/rtc/m41t11.c
index 3a77c1b63879f22057980ebcf9825a2ef8585cce..960348bb3eaa9471fdc30f6525ec71c9a8183c22 100644 (file)
--- a/drivers/rtc/m41t11.c
+++ b/drivers/rtc/m41t11.c
@@ -1,21 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * (C) Copyright 2002
  * Andrew May, Viasat Inc, amay@viasat.com
- *
- * 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
  */
 
 /*
@@ -43,19 +29,6 @@
 #endif
 */
 
-#if defined(CONFIG_SYS_I2C_RTC_ADDR) && defined(CONFIG_CMD_DATE)
-
-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));
-}
-
-
 /* ------------------------------------------------------------------------- */
 /*
   these are simple defines for the chip local to here so they aren't too
@@ -192,18 +165,3 @@ void rtc_reset (void)
        val = val & 0x3F;/*turn off freq test keep calibration*/
        i2c_write(CONFIG_SYS_I2C_RTC_ADDR, RTC_CONTROL_ADDR, 1, &val, 1);
 }
-
-int rtc_store(int addr, unsigned char* data, int size)
-{
-       /*don't let things wrap onto the time on a write*/
-       if( (addr+size) >= M41T11_STORAGE_SZ )
-               return 1;
-       return i2c_write( CONFIG_SYS_I2C_RTC_ADDR, REG_CNT+addr, 1, data, size );
-}
-
-int rtc_recall(int addr, unsigned char* data, int size)
-{
-       return i2c_read( CONFIG_SYS_I2C_RTC_ADDR, REG_CNT+addr, 1, data, size );
-}
-
-#endif