From 67c1b8c6aa354aad14aad85d36508fd73d1c6361 Mon Sep 17 00:00:00 2001 From: Feng Tang Date: Thu, 7 Apr 2011 09:39:44 +0800 Subject: [PATCH] RTC: rtc-mrst: follow on to the change of rtc_device_register() commit f44f7f96a20 (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 Cc: John Stultz Cc: Thomas Gleixner Signed-off-by: Feng Tang Signed-off-by: John Stultz --- drivers/rtc/rtc-mrst.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/rtc/rtc-mrst.c b/drivers/rtc/rtc-mrst.c index b86bc328463b..d2c397c369fc 100644 --- a/drivers/rtc/rtc-mrst.c +++ b/drivers/rtc/rtc-mrst.c @@ -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; -- 2.39.5