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rtc: lpc32xx: convert to devm_rtc_allocate_device

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This allows further improvement of the driver.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
Alexandre Belloni 2019-04-09 12:16:26 +02:00
parent fbc5ee9a69
commit 6bbad585fd
1 changed files with 10 additions and 9 deletions
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19
drivers/rtc/rtc-lpc32xx.c
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@ -47,8 +47,6 @@
#define LPC32XX_RTC_KEY_ONSW_LOADVAL 0xB5C13F27
#define RTC_NAME "rtc-lpc32xx"
#define rtc_readl(dev, reg) \
__raw_readl((dev)->rtc_base + (reg))
#define rtc_writel(dev, reg, val) \
@ -201,7 +199,7 @@ static int lpc32xx_rtc_probe(struct platform_device *pdev)
{
struct resource *res;
struct lpc32xx_rtc *rtc;
int rtcirq;
int rtcirq, err;
u32 tmp;
rtcirq = platform_get_irq(pdev, 0);
@ -256,12 +254,15 @@ static int lpc32xx_rtc_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, rtc);
rtc->rtc = devm_rtc_device_register(&pdev->dev, RTC_NAME,
&lpc32xx_rtc_ops, THIS_MODULE);
if (IS_ERR(rtc->rtc)) {
dev_err(&pdev->dev, "Can't get RTC\n");
rtc->rtc = devm_rtc_allocate_device(&pdev->dev);
if (IS_ERR(rtc->rtc))
return PTR_ERR(rtc->rtc);
}
rtc->rtc->ops = &lpc32xx_rtc_ops;
err = rtc_register_device(rtc->rtc);
if (err)
return err;
/*
* IRQ is enabled after device registration in case alarm IRQ
@ -374,7 +375,7 @@ static struct platform_driver lpc32xx_rtc_driver = {
.probe = lpc32xx_rtc_probe,
.remove = lpc32xx_rtc_remove,
.driver = {
.name = RTC_NAME,
.name = "rtc-lpc32xx",
.pm = LPC32XX_RTC_PM_OPS,
.of_match_table = of_match_ptr(lpc32xx_rtc_match),
},