linux-kernel - [patch 065/149] rtc: s3c: initialize driver data before using it

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Message-Id: <20100701173212.292436879@clark.site>
Date:	Thu, 01 Jul 2010 10:31:31 -0700
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Maurus Cuelenaere <mcuelenaere@...il.com>,
	Paul Gortmaker <p_gortmaker@...oo.com>,
	Alessandro Zummo <a.zummo@...ertech.it>
Subject: [patch 065/149] rtc: s3c: initialize driver data before using it

2.6.32-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Maurus Cuelenaere <mcuelenaere@...il.com>

commit e893de59a4982791368b3ce412bc67dd601a88a0 upstream.

s3c_rtc_setfreq() uses the platform driver data to derive struct rtc_device,
so make sure drvdata is set _before_ s3c_rtc_setfreq() is called.

Signed-off-by: Maurus Cuelenaere <mcuelenaere@...il.com>
Cc: Paul Gortmaker <p_gortmaker@...oo.com>
Cc: Alessandro Zummo <a.zummo@...ertech.it>
Cc: Maurus Cuelenaere <mcuelenaere@...il.com>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@...ux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 drivers/rtc/rtc-s3c.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

--- a/drivers/rtc/rtc-s3c.c
+++ b/drivers/rtc/rtc-s3c.c
@@ -456,8 +456,6 @@ static int __devinit s3c_rtc_probe(struc
  	pr_debug("s3c2410_rtc: RTCCON=%02x\n",
 		 readb(s3c_rtc_base + S3C2410_RTCCON));
 
-	s3c_rtc_setfreq(&pdev->dev, 1);
-
 	device_init_wakeup(&pdev->dev, 1);
 
 	/* register RTC and exit */
@@ -474,6 +472,9 @@ static int __devinit s3c_rtc_probe(struc
 	rtc->max_user_freq = 128;
 
 	platform_set_drvdata(pdev, rtc);
+
+	s3c_rtc_setfreq(&pdev->dev, 1);
+
 	return 0;
 
  err_nortc:


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