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rtc: lpc32xx: simplify IRQ setup

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Move the optional IRQ setup to a single location.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
Alexandre Belloni 2019-04-09 12:16:28 +02:00
parent 3a13426908
commit ba4a84f5ab
1 changed files with 5 additions and 10 deletions
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15
drivers/rtc/rtc-lpc32xx.c
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@ -199,21 +199,13 @@ static int lpc32xx_rtc_probe(struct platform_device *pdev)
{
struct resource *res;
struct lpc32xx_rtc *rtc;
int rtcirq, err;
int err;
u32 tmp;
rtcirq = platform_get_irq(pdev, 0);
if (rtcirq < 0) {
dev_warn(&pdev->dev, "Can't get interrupt resource\n");
rtcirq = -1;
}
rtc = devm_kzalloc(&pdev->dev, sizeof(*rtc), GFP_KERNEL);
if (unlikely(!rtc))
return -ENOMEM;
rtc->irq = rtcirq;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
rtc->rtc_base = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(rtc->rtc_base))
@ -269,7 +261,10 @@ static int lpc32xx_rtc_probe(struct platform_device *pdev)
* IRQ is enabled after device registration in case alarm IRQ
* is pending upon suspend exit.
*/
if (rtc->irq >= 0) {
rtc->irq = platform_get_irq(pdev, 0);
if (rtc->irq < 0) {
dev_warn(&pdev->dev, "Can't get interrupt resource\n");
} else {
if (devm_request_irq(&pdev->dev, rtc->irq,
lpc32xx_rtc_alarm_interrupt,
0, pdev->name, rtc) < 0) {