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authorAlessandro Zummo <alessandro.zummo@towertech.it>2009-12-15 16:45:53 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-16 07:19:58 -0800
commitb74d2caa64f8e542e9c6716ae6ed4a60d681ea9f (patch)
tree3d34fb87043b4a800bd35455725ba81638541cc3 /drivers/rtc/rtc-m48t35.c
parentd1b2efa83fbf7b33919238fa29ef6ab935820103 (diff)
downloadlwn-b74d2caa64f8e542e9c6716ae6ed4a60d681ea9f.tar.gz
lwn-b74d2caa64f8e542e9c6716ae6ed4a60d681ea9f.zip
rtc: fix driver data issues in several rtc drivers
Herton Ronaldo Krzesinski recently raised up, and fixed, an issue with the rtc_cmos driver, which was referring to an inconsistent driver data. This patch ensures that driver data registration happens before rtc_device_register(). Signed-off-by: Alessandro Zummo <a.zummo@towertech.it> Acked-by: Thomas Hommel <thomas.hommel@gefanuc.com> Acked-by: Hans-Christian Egtvedt <hcegtvedt@atmel.com> Acked-by: Paul Mundt <lethal@linux-sh.org> Cc: David S. Miller <davem@davemloft.net> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Andrew Sharp <andy.sharp@onstor.com> Cc: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Cc: Alexander Bigga <ab@mycable.de> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Mark Zhan <rongkai.zhan@windriver.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/rtc/rtc-m48t35.c')
-rw-r--r--drivers/rtc/rtc-m48t35.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/rtc/rtc-m48t35.c b/drivers/rtc/rtc-m48t35.c
index 0b2197559940..8cb5b8959e5b 100644
--- a/drivers/rtc/rtc-m48t35.c
+++ b/drivers/rtc/rtc-m48t35.c
@@ -142,7 +142,6 @@ static const struct rtc_class_ops m48t35_ops = {
static int __devinit m48t35_probe(struct platform_device *pdev)
{
- struct rtc_device *rtc;
struct resource *res;
struct m48t35_priv *priv;
int ret = 0;
@@ -171,20 +170,21 @@ static int __devinit m48t35_probe(struct platform_device *pdev)
ret = -ENOMEM;
goto out;
}
+
spin_lock_init(&priv->lock);
- rtc = rtc_device_register("m48t35", &pdev->dev,
+
+ platform_set_drvdata(pdev, priv);
+
+ priv->rtc = rtc_device_register("m48t35", &pdev->dev,
&m48t35_ops, THIS_MODULE);
- if (IS_ERR(rtc)) {
- ret = PTR_ERR(rtc);
+ if (IS_ERR(priv->rtc)) {
+ ret = PTR_ERR(priv->rtc);
goto out;
}
- priv->rtc = rtc;
- platform_set_drvdata(pdev, priv);
+
return 0;
out:
- if (priv->rtc)
- rtc_device_unregister(priv->rtc);
if (priv->reg)
iounmap(priv->reg);
if (priv->baseaddr)