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| author | Alessandro Zummo <alessandro.zummo@towertech.it> | 2009-12-15 16:45:53 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-16 07:19:58 -0800 |
| commit | b74d2caa64f8e542e9c6716ae6ed4a60d681ea9f (patch) | |
| tree | 3d34fb87043b4a800bd35455725ba81638541cc3 /drivers/rtc/rtc-m48t59.c | |
| parent | d1b2efa83fbf7b33919238fa29ef6ab935820103 (diff) | |
| download | linux-stable-b74d2caa64f8e542e9c6716ae6ed4a60d681ea9f.tar.gz linux-stable-b74d2caa64f8e542e9c6716ae6ed4a60d681ea9f.tar.bz2 linux-stable-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-m48t59.c')
| -rw-r--r-- | drivers/rtc/rtc-m48t59.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/rtc/rtc-m48t59.c b/drivers/rtc/rtc-m48t59.c index 33921a6b1707..ede43b846859 100644 --- a/drivers/rtc/rtc-m48t59.c +++ b/drivers/rtc/rtc-m48t59.c @@ -481,6 +481,9 @@ static int __devinit m48t59_rtc_probe(struct platform_device *pdev) goto out; } + spin_lock_init(&m48t59->lock); + platform_set_drvdata(pdev, m48t59); + m48t59->rtc = rtc_device_register(name, &pdev->dev, ops, THIS_MODULE); if (IS_ERR(m48t59->rtc)) { ret = PTR_ERR(m48t59->rtc); @@ -490,16 +493,14 @@ static int __devinit m48t59_rtc_probe(struct platform_device *pdev) m48t59_nvram_attr.size = pdata->offset; ret = sysfs_create_bin_file(&pdev->dev.kobj, &m48t59_nvram_attr); - if (ret) + if (ret) { + rtc_device_unregister(m48t59->rtc); goto out; + } - spin_lock_init(&m48t59->lock); - platform_set_drvdata(pdev, m48t59); return 0; out: - if (!IS_ERR(m48t59->rtc)) - rtc_device_unregister(m48t59->rtc); if (m48t59->irq != NO_IRQ) free_irq(m48t59->irq, &pdev->dev); if (m48t59->ioaddr) |