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rtc: ftrtc010: switch to devm_rtc_allocate_device 

Switch to devm_rtc_allocate_device/rtc_register_device. This allow or
further improvement and simplifies ftrtc010_rtc_remove().

Acked-by: Hans Ulli Kroll <ulli.kroll@googlemail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
Alexandre Belloni 2018-06-04 16:15:26 +02:00
parent 32b41f93dc
commit e38d161f51
1 changed files with 7 additions and 4 deletions
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11
drivers/rtc/rtc-ftrtc010.c
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@ -166,14 +166,18 @@ static int ftrtc010_rtc_probe(struct platform_device *pdev)
if (!rtc->rtc_base)
return -ENOMEM;
rtc->rtc_dev = devm_rtc_allocate_device(dev);
if (IS_ERR(rtc->rtc_dev))
return PTR_ERR(rtc->rtc_dev);
rtc->rtc_dev->ops = &ftrtc010_rtc_ops;
ret = devm_request_irq(dev, rtc->rtc_irq, ftrtc010_rtc_interrupt,
IRQF_SHARED, pdev->name, dev);
if (unlikely(ret))
return ret;
rtc->rtc_dev = rtc_device_register(pdev->name, dev,
&ftrtc010_rtc_ops, THIS_MODULE);
return PTR_ERR_OR_ZERO(rtc->rtc_dev);
return rtc_register_device(rtc->rtc_dev);
}
static int ftrtc010_rtc_remove(struct platform_device *pdev)
@ -184,7 +188,6 @@ static int ftrtc010_rtc_remove(struct platform_device *pdev)
clk_disable_unprepare(rtc->extclk);
if (!IS_ERR(rtc->pclk))
clk_disable_unprepare(rtc->pclk);
rtc_device_unregister(rtc->rtc_dev);
return 0;
}