From: Johannes Weiner <jw@emlix.com>
To: Alessandro Zummo <a.zummo@towertech.it>,
Paul Gortmaker <p_gortmaker@yahoo.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
rtc-linux@googlegroups.com, linux-kernel@vger.kernel.org
Subject: [patch 2/3] rtc-x1205: reset clock to sane state after power failure
Date: Wed, 25 Nov 2009 17:32:15 +0100 [thread overview]
Message-ID: <1259166736-31006-2-git-send-email-jw@emlix.com> (raw)
In-Reply-To: <1259166736-31006-1-git-send-email-jw@emlix.com>
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>
---
drivers/rtc/rtc-x1205.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/rtc/rtc-x1205.c b/drivers/rtc/rtc-x1205.c
index cc9ba47..6583c1a 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");
--
1.6.5
next prev parent reply other threads:[~2009-11-25 17:04 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-25 16:32 [patch 1/3] rtc-x1205: fix rtc_time to y2k register value conversion Johannes Weiner
2009-11-25 16:32 ` Johannes Weiner [this message]
2009-11-25 16:32 ` [patch 3/3] rtc-x1205: unconditionally set date when setting clock Johannes Weiner
2009-11-25 22:11 ` [patch 1/3] rtc-x1205: fix rtc_time to y2k register value conversion Andrew Morton
2009-11-26 1:02 ` Johannes Weiner
2009-11-26 21:40 ` Alessandro Zummo
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