X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=drivers%2Frtc%2Frtc-palmas.c;h=50204d474eb7f76526cec457b5ca86d69ed248f4;hb=39b2f8656e2af4d5d490ce6e33e4ba229cda3e33;hp=59c42986254e09c155130e02641d234738b2481f;hpb=e20437852de4aba31068037a728e2d60cf942f56;p=firefly-linux-kernel-4.4.55.git

diff --git a/drivers/rtc/rtc-palmas.c b/drivers/rtc/rtc-palmas.c
index 59c42986254e..50204d474eb7 100644
--- a/drivers/rtc/rtc-palmas.c
+++ b/drivers/rtc/rtc-palmas.c
@@ -30,6 +30,7 @@
 #include <linux/kernel.h>
 #include <linux/mfd/palmas.h>
 #include <linux/module.h>
+#include <linux/of.h>
 #include <linux/rtc.h>
 #include <linux/types.h>
 #include <linux/platform_device.h>
@@ -264,7 +265,7 @@ static int palmas_rtc_probe(struct platform_device *pdev)
 
 	palmas_rtc->irq = platform_get_irq(pdev, 0);
 
-	palmas_rtc->rtc = rtc_device_register(pdev->name, &pdev->dev,
+	palmas_rtc->rtc = devm_rtc_device_register(&pdev->dev, pdev->name,
 				&palmas_rtc_ops, THIS_MODULE);
 	if (IS_ERR(palmas_rtc->rtc)) {
 		ret = PTR_ERR(palmas_rtc->rtc);
@@ -272,14 +273,13 @@ static int palmas_rtc_probe(struct platform_device *pdev)
 		return ret;
 	}
 
-	ret = request_threaded_irq(palmas_rtc->irq, NULL,
+	ret = devm_request_threaded_irq(&pdev->dev, palmas_rtc->irq, NULL,
 			palmas_rtc_interrupt,
 			IRQF_TRIGGER_LOW | IRQF_ONESHOT |
 			IRQF_EARLY_RESUME,
 			dev_name(&pdev->dev), palmas_rtc);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "IRQ request failed, err = %d\n", ret);
-		rtc_device_unregister(palmas_rtc->rtc);
 		return ret;
 	}
 
@@ -289,11 +289,7 @@ static int palmas_rtc_probe(struct platform_device *pdev)
 
 static int palmas_rtc_remove(struct platform_device *pdev)
 {
-	struct palmas_rtc *palmas_rtc = platform_get_drvdata(pdev);
-
 	palmas_rtc_alarm_irq_enable(&pdev->dev, 0);
-	free_irq(palmas_rtc->irq, palmas_rtc);
-	rtc_device_unregister(palmas_rtc->rtc);
 	return 0;
 }
 
@@ -321,6 +317,14 @@ static const struct dev_pm_ops palmas_rtc_pm_ops = {
 	SET_SYSTEM_SLEEP_PM_OPS(palmas_rtc_suspend, palmas_rtc_resume)
 };
 
+#ifdef CONFIG_OF
+static struct of_device_id of_palmas_rtc_match[] = {
+	{ .compatible = "ti,palmas-rtc"},
+	{ },
+};
+MODULE_DEVICE_TABLE(of, of_palmas_rtc_match);
+#endif
+
 static struct platform_driver palmas_rtc_driver = {
 	.probe		= palmas_rtc_probe,
 	.remove		= palmas_rtc_remove,
@@ -328,6 +332,7 @@ static struct platform_driver palmas_rtc_driver = {
 		.owner	= THIS_MODULE,
 		.name	= "palmas-rtc",
 		.pm	= &palmas_rtc_pm_ops,
+		.of_match_table = of_match_ptr(of_palmas_rtc_match),
 	},
 };