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 7730a655918834835ad67a102bb85ee24b86527c..e3aea00c3145746fd32abe405f091142856d6633 100644 (file)
--- a/drivers/rtc/rtc-max6902.c
+++ b/drivers/rtc/rtc-max6902.c
@@ -93,24 +93,24 @@ static int max6902_set_time(struct device *dev, struct rtc_time *dt)
        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;
 }