git » linux-kernel » commit cb8799e

rtc-x1205: reset clock to sane state after power failure

rtc-x1205: reset clock to sane state after power failure

When detecting power failure, the probe function would reset the clock
time to defined state.

However, the clock's _date_ might still be bogus and a subsequent probe
fails when sanity-checking these values.

Change the power-failure fixup code to do a full setting of rtc_time,
including a valid date.

Signed-off-by: Johannes Weiner <jw@emlix.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Paul Gortmaker <p_gortmaker@yahoo.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-x1205.c b/drivers/rtc/rtc-x1205.c
index cc9ba47b215..6583c1a8b07 100644
--- a/drivers/rtc/rtc-x1205.c
+++ b/drivers/rtc/rtc-x1205.c
@@ -280,9 +280,9 @@ static int x1205_fix_osc(struct i2c_client *client)
 	int err;
 	struct rtc_time tm;
 
-	tm.tm_hour = tm.tm_min = tm.tm_sec = 0;
+	memset(&tm, 0, sizeof(tm));
 
-	err = x1205_set_datetime(client, &tm, 0, X1205_CCR_BASE, 0);
+	err = x1205_set_datetime(client, &tm, 1, X1205_CCR_BASE, 0);
 	if (err < 0)
 		dev_err(&client->dev, "unable to restart the oscillator\n");