drivers/rtc/rtc-max6902.c: use register defines instead of magic numbers
Current code has defines for registers, use the defines rather than
magic numbers.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Cc: Raphael Assenat <raph@raphnet.net>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/rtc/rtc-max6902.c b/drivers/rtc/rtc-max6902.c
index 7730a65..e3aea00 100644
--- a/drivers/rtc/rtc-max6902.c
+++ b/drivers/rtc/rtc-max6902.c
@@ -93,24 +93,24 @@
dt->tm_year = dt->tm_year + 1900;
/* Remove write protection */
- max6902_set_reg(dev, 0xF, 0);
+ max6902_set_reg(dev, MAX6902_REG_CONTROL, 0);
- max6902_set_reg(dev, 0x01, bin2bcd(dt->tm_sec));
- max6902_set_reg(dev, 0x03, bin2bcd(dt->tm_min));
- max6902_set_reg(dev, 0x05, bin2bcd(dt->tm_hour));
+ max6902_set_reg(dev, MAX6902_REG_SECONDS, bin2bcd(dt->tm_sec));
+ max6902_set_reg(dev, MAX6902_REG_MINUTES, bin2bcd(dt->tm_min));
+ max6902_set_reg(dev, MAX6902_REG_HOURS, bin2bcd(dt->tm_hour));
- max6902_set_reg(dev, 0x07, bin2bcd(dt->tm_mday));
- max6902_set_reg(dev, 0x09, bin2bcd(dt->tm_mon + 1));
- max6902_set_reg(dev, 0x0B, bin2bcd(dt->tm_wday));
- max6902_set_reg(dev, 0x0D, bin2bcd(dt->tm_year % 100));
- max6902_set_reg(dev, 0x13, bin2bcd(dt->tm_year / 100));
+ max6902_set_reg(dev, MAX6902_REG_DATE, bin2bcd(dt->tm_mday));
+ max6902_set_reg(dev, MAX6902_REG_MONTH, bin2bcd(dt->tm_mon + 1));
+ max6902_set_reg(dev, MAX6902_REG_DAY, bin2bcd(dt->tm_wday));
+ max6902_set_reg(dev, MAX6902_REG_YEAR, bin2bcd(dt->tm_year % 100));
+ max6902_set_reg(dev, MAX6902_REG_CENTURY, bin2bcd(dt->tm_year / 100));
/* Compulab used a delay here. However, the datasheet
* does not mention a delay being required anywhere... */
/* delay(2000); */
/* Write protect */
- max6902_set_reg(dev, 0xF, 0x80);
+ max6902_set_reg(dev, MAX6902_REG_CONTROL, 0x80);
return 0;
}