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>
diff --git a/drivers/rtc/rtc-v3020.c b/drivers/rtc/rtc-v3020.c
index ad741af..bed4cab 100644
--- a/drivers/rtc/rtc-v3020.c
+++ b/drivers/rtc/rtc-v3020.c
@@ -304,7 +304,6 @@
{
struct v3020_platform_data *pdata = pdev->dev.platform_data;
struct v3020 *chip;
- struct rtc_device *rtc;
int retval = -EBUSY;
int i;
int temp;
@@ -353,13 +352,12 @@
platform_set_drvdata(pdev, chip);
- rtc = rtc_device_register("v3020",
+ chip->rtc = rtc_device_register("v3020",
&pdev->dev, &v3020_rtc_ops, THIS_MODULE);
- if (IS_ERR(rtc)) {
- retval = PTR_ERR(rtc);
+ if (IS_ERR(chip->rtc)) {
+ retval = PTR_ERR(chip->rtc);
goto err_io;
}
- chip->rtc = rtc;
return 0;