1 files changed, 7 insertions, 36 deletions

diff --git a/drivers/watchdog/rtd119x_wdt.c b/drivers/watchdog/rtd119x_wdt.c
index d001c17ddfde..984905695dde 100644
--- a/drivers/watchdog/rtd119x_wdt.c
+++ b/drivers/watchdog/rtd119x_wdt.c
@@ -1,15 +1,14 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Realtek RTD129x watchdog
  *
  * Copyright (c) 2017 Andreas Färber
  *
- * SPDX-License-Identifier: GPL-2.0+
  */
 
 #include <linux/bitops.h>
 #include <linux/clk.h>
 #include <linux/io.h>
-#include <linux/module.h>
 #include <linux/of.h>
 #include <linux/of_address.h>
 #include <linux/platform_device.h>
@@ -97,35 +96,27 @@ static const struct of_device_id rtd119x_wdt_dt_ids[] = {
 
 static int rtd119x_wdt_probe(struct platform_device *pdev)
 {
+	struct device *dev = &pdev->dev;
 	struct rtd119x_watchdog_device *data;
-	struct resource *res;
-	int ret;
 
-	data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
+	data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
 	if (!data)
 		return -ENOMEM;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	data->base = devm_ioremap_resource(&pdev->dev, res);
+	data->base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(data->base))
 		return PTR_ERR(data->base);
 
-	data->clk = of_clk_get(pdev->dev.of_node, 0);
+	data->clk = devm_clk_get_enabled(dev, NULL);
 	if (IS_ERR(data->clk))
 		return PTR_ERR(data->clk);
 
-	ret = clk_prepare_enable(data->clk);
-	if (ret) {
-		clk_put(data->clk);
-		return ret;
-	}
-
 	data->wdt_dev.info = &rtd119x_wdt_info;
 	data->wdt_dev.ops = &rtd119x_wdt_ops;
 	data->wdt_dev.timeout = 120;
 	data->wdt_dev.max_timeout = 0xffffffff / clk_get_rate(data->clk);
 	data->wdt_dev.min_timeout = 1;
-	data->wdt_dev.parent = &pdev->dev;
+	data->wdt_dev.parent = dev;
 
 	watchdog_stop_on_reboot(&data->wdt_dev);
 	watchdog_set_drvdata(&data->wdt_dev, data);
@@ -135,31 +126,11 @@ static int rtd119x_wdt_probe(struct platform_device *pdev)
 	rtd119x_wdt_set_timeout(&data->wdt_dev, data->wdt_dev.timeout);
 	rtd119x_wdt_stop(&data->wdt_dev);
 
-	ret = devm_watchdog_register_device(&pdev->dev, &data->wdt_dev);
-	if (ret) {
-		clk_disable_unprepare(data->clk);
-		clk_put(data->clk);
-		return ret;
-	}
-
-	return 0;
-}
-
-static int rtd119x_wdt_remove(struct platform_device *pdev)
-{
-	struct rtd119x_watchdog_device *data = platform_get_drvdata(pdev);
-
-	watchdog_unregister_device(&data->wdt_dev);
-
-	clk_disable_unprepare(data->clk);
-	clk_put(data->clk);
-
-	return 0;
+	return devm_watchdog_register_device(dev, &data->wdt_dev);
 }
 
 static struct platform_driver rtd119x_wdt_driver = {
 	.probe = rtd119x_wdt_probe,
-	.remove = rtd119x_wdt_remove,
 	.driver = {
 		.name = "rtd1295-watchdog",
 		.of_match_table	= rtd119x_wdt_dt_ids,