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-rw-r--r--drivers/rtc/rtc-pcf8563.c11
1 files changed, 3 insertions, 8 deletions
diff --git a/drivers/rtc/rtc-pcf8563.c b/drivers/rtc/rtc-pcf8563.c
index 0ba7e59929be..229426dee1ea 100644
--- a/drivers/rtc/rtc-pcf8563.c
+++ b/drivers/rtc/rtc-pcf8563.c
@@ -22,7 +22,7 @@
#include <linux/of.h>
#include <linux/err.h>
-#define DRV_VERSION "0.4.3"
+#define DRV_VERSION "0.4.4"
#define PCF8563_REG_ST1 0x00 /* status */
#define PCF8563_REG_ST2 0x01
@@ -202,8 +202,9 @@ static int pcf8563_get_datetime(struct i2c_client *client, struct rtc_time *tm)
if (buf[PCF8563_REG_SC] & PCF8563_SC_LV) {
pcf8563->voltage_low = 1;
- dev_info(&client->dev,
+ dev_err(&client->dev,
"low voltage detected, date/time is not reliable.\n");
+ return -EINVAL;
}
dev_dbg(&client->dev,
@@ -234,12 +235,6 @@ static int pcf8563_get_datetime(struct i2c_client *client, struct rtc_time *tm)
tm->tm_sec, tm->tm_min, tm->tm_hour,
tm->tm_mday, tm->tm_mon, tm->tm_year, tm->tm_wday);
- /* the clock can give out invalid datetime, but we cannot return
- * -EINVAL otherwise hwclock will refuse to set the time on bootup.
- */
- if (rtc_valid_tm(tm) < 0)
- dev_err(&client->dev, "retrieved date/time is not valid.\n");
-
return 0;
}