--- zzzz-none-000/linux-3.10.107/drivers/watchdog/pnx4008_wdt.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/watchdog/pnx4008_wdt.c	2021-02-04 17:41:59.000000000 +0000
@@ -23,9 +23,7 @@
 #include <linux/moduleparam.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
-#include <linux/miscdevice.h>
 #include <linux/watchdog.h>
-#include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/clk.h>
 #include <linux/spinlock.h>
@@ -82,7 +80,7 @@
 
 static DEFINE_SPINLOCK(io_lock);
 static void __iomem	*wdt_base;
-struct clk		*wdt_clk;
+static struct clk	*wdt_clk;
 
 static int pnx4008_wdt_start(struct watchdog_device *wdd)
 {
@@ -159,16 +157,17 @@
 	if (IS_ERR(wdt_base))
 		return PTR_ERR(wdt_base);
 
-	wdt_clk = clk_get(&pdev->dev, NULL);
+	wdt_clk = devm_clk_get(&pdev->dev, NULL);
 	if (IS_ERR(wdt_clk))
 		return PTR_ERR(wdt_clk);
 
-	ret = clk_enable(wdt_clk);
+	ret = clk_prepare_enable(wdt_clk);
 	if (ret)
-		goto out;
+		return ret;
 
 	pnx4008_wdd.bootstatus = (readl(WDTIM_RES(wdt_base)) & WDOG_RESET) ?
 			WDIOF_CARDRESET : 0;
+	pnx4008_wdd.parent = &pdev->dev;
 	watchdog_set_nowayout(&pnx4008_wdd, nowayout);
 
 	pnx4008_wdt_stop(&pnx4008_wdd);	/* disable for now */
@@ -185,9 +184,7 @@
 	return 0;
 
 disable_clk:
-	clk_disable(wdt_clk);
-out:
-	clk_put(wdt_clk);
+	clk_disable_unprepare(wdt_clk);
 	return ret;
 }
 
@@ -195,8 +192,7 @@
 {
 	watchdog_unregister_device(&pnx4008_wdd);
 
-	clk_disable(wdt_clk);
-	clk_put(wdt_clk);
+	clk_disable_unprepare(wdt_clk);
 
 	return 0;
 }
@@ -212,7 +208,6 @@
 static struct platform_driver platform_wdt_driver = {
 	.driver = {
 		.name = "pnx4008-watchdog",
-		.owner	= THIS_MODULE,
 		.of_match_table = of_match_ptr(pnx4008_wdt_match),
 	},
 	.probe = pnx4008_wdt_probe,
@@ -222,7 +217,7 @@
 module_platform_driver(platform_wdt_driver);
 
 MODULE_AUTHOR("MontaVista Software, Inc. <source@mvista.com>");
-MODULE_AUTHOR("Wolfram Sang <w.sang@pengutronix.de>");
+MODULE_AUTHOR("Wolfram Sang <kernel@pengutronix.de>");
 MODULE_DESCRIPTION("PNX4008 Watchdog Driver");
 
 module_param(heartbeat, uint, 0);
@@ -236,5 +231,4 @@
 		 "Set to 1 to keep watchdog running after device release");
 
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
 MODULE_ALIAS("platform:pnx4008-watchdog");