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rtc: puv3: switch to devm_rtc_allocate_device()/rtc_register_device() 

Use managed RTC device allocation as this allows for further cleanup.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
This commit is contained in:
Alexandre Belloni 2017-08-22 11:48:41 +02:00
parent 2f7f1b780d
commit 5539ba54b3
1 changed files with 7 additions and 9 deletions
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16
drivers/rtc/rtc-puv3.c
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@ -222,10 +222,6 @@ static void puv3_rtc_enable(struct device *dev, int en)
static int puv3_rtc_remove(struct platform_device *dev)
{
struct rtc_device *rtc = platform_get_drvdata(dev);
rtc_device_unregister(rtc);
puv3_rtc_setpie(&dev->dev, 0);
puv3_rtc_setaie(&dev->dev, 0);
@ -259,6 +255,10 @@ static int puv3_rtc_probe(struct platform_device *pdev)
dev_dbg(&pdev->dev, "PKUnity_rtc: tick irq %d, alarm irq %d\n",
puv3_rtc_tickno, puv3_rtc_alarmno);
rtc = devm_rtc_allocate_device(&pdev->dev);
if (IS_ERR(rtc))
return PTR_ERR(rtc);
/* get the memory region */
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (res == NULL) {
@ -278,12 +278,10 @@ static int puv3_rtc_probe(struct platform_device *pdev)
puv3_rtc_enable(&pdev->dev, 1);
/* register RTC and exit */
rtc = rtc_device_register("pkunity", &pdev->dev, &puv3_rtcops,
THIS_MODULE);
if (IS_ERR(rtc)) {
rtc->ops = &puv3_rtcops;
ret = rtc_register_device(rtc);
if (ret) {
dev_err(&pdev->dev, "cannot attach rtc\n");
ret = PTR_ERR(rtc);
goto err_nortc;
}