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RTC: rtc-mrst: follow on to the change of rtc_device_register()

Browse source 
commit f44f7f96a2 (RTC: Initialize kernel state from RTC) will
call rtc_read_alarm() inside rtc_device_register(), so rtc-mrst
driver need to call dev_set_drvdata() before rtc_device_register()
get called.

Cc: Alessandro Zummo <[email protected]>
Cc: John Stultz <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Signed-off-by: Feng Tang <[email protected]>
Signed-off-by: John Stultz <[email protected]>
This commit is contained in:
Feng Tang 2011-04-07 09:39:44 +08:00 • committed by John Stultz
commit 67c1b8c6aa
1 changed files with 4 additions and 3 deletions
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7
drivers/rtc/rtc-mrst.c
View file

@ -342,6 +342,8 @@ vrtc_mrst_do_probe(struct device *dev, struct resource *iomem, int rtc_irq)
mrst_rtc.irq = rtc_irq;
mrst_rtc.iomem = iomem;
mrst_rtc.dev = dev;
dev_set_drvdata(dev, &mrst_rtc);
mrst_rtc.rtc = rtc_device_register(driver_name, dev,
&mrst_rtc_ops, THIS_MODULE);
@ -350,8 +352,6 @@ vrtc_mrst_do_probe(struct device *dev, struct resource *iomem, int rtc_irq)
goto cleanup0;
}
mrst_rtc.dev = dev;
dev_set_drvdata(dev, &mrst_rtc);
rename_region(iomem, dev_name(&mrst_rtc.rtc->dev));
spin_lock_irq(&rtc_lock);
@ -376,9 +376,10 @@ vrtc_mrst_do_probe(struct device *dev, struct resource *iomem, int rtc_irq)
return 0;
cleanup1:
mrst_rtc.dev = NULL;
rtc_device_unregister(mrst_rtc.rtc);
cleanup0:
dev_set_drvdata(dev, NULL);
mrst_rtc.dev = NULL;
release_region(iomem->start, iomem->end + 1 - iomem->start);
dev_err(dev, "rtc-mrst: unable to initialise\n");
return retval;