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path: root/drivers/rtc/rtc-max6902.c
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Diffstat (limited to 'drivers/rtc/rtc-max6902.c')
-rw-r--r--drivers/rtc/rtc-max6902.c29
1 files changed, 13 insertions, 16 deletions
diff --git a/drivers/rtc/rtc-max6902.c b/drivers/rtc/rtc-max6902.c
index 7d0bf698b79e..e3aea00c3145 100644
--- 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;
}
@@ -134,20 +134,17 @@ static int max6902_probe(struct spi_device *spi)
if (res != 0)
return res;
- rtc = rtc_device_register("max6902",
- &spi->dev, &max6902_rtc_ops, THIS_MODULE);
+ rtc = devm_rtc_device_register(&spi->dev, "max6902",
+ &max6902_rtc_ops, THIS_MODULE);
if (IS_ERR(rtc))
return PTR_ERR(rtc);
- dev_set_drvdata(&spi->dev, rtc);
+ spi_set_drvdata(spi, rtc);
return 0;
}
static int max6902_remove(struct spi_device *spi)
{
- struct rtc_device *rtc = dev_get_drvdata(&spi->dev);
-
- rtc_device_unregister(rtc);
return 0;
}