diff --git a/drivers/watchdog/da9062_wdt.c b/drivers/watchdog/da9062_wdt.c
index 426962547df1..4d558652e9e7 100644
--- a/drivers/watchdog/da9062_wdt.c
+++ b/drivers/watchdog/da9062_wdt.c
@@ -256,7 +256,7 @@ static int __maybe_unused da9062_wdt_suspend(struct device *dev)
 	if (!wdt->use_sw_pm)
 		return 0;
 
-	if (watchdog_active(wdd))
+	if (watchdog_active(wdd) || watchdog_hw_running(wdd))
 		return da9062_wdt_stop(wdd);
 
 	return 0;
@@ -270,7 +270,7 @@ static int __maybe_unused da9062_wdt_resume(struct device *dev)
 	if (!wdt->use_sw_pm)
 		return 0;
 
-	if (watchdog_active(wdd))
+	if (watchdog_active(wdd) || watchdog_hw_running(wdd))
 		return da9062_wdt_start(wdd);
 
 	return 0;
diff --git a/drivers/watchdog/da9063_wdt.c b/drivers/watchdog/da9063_wdt.c
index 92e1b78ff481..3703110e82fc 100644
--- a/drivers/watchdog/da9063_wdt.c
+++ b/drivers/watchdog/da9063_wdt.c
@@ -271,7 +271,7 @@ static int da9063_wdt_suspend(struct device *dev)
 	if (!da9063->use_sw_pm)
 		return 0;
 
-	if (watchdog_active(wdd))
+	if (watchdog_active(wdd) || watchdog_hw_running(wdd))
 		return da9063_wdt_stop(wdd);
 
 	return 0;
@@ -285,7 +285,7 @@ static int da9063_wdt_resume(struct device *dev)
 	if (!da9063->use_sw_pm)
 		return 0;
 
-	if (watchdog_active(wdd))
+	if (watchdog_active(wdd) || watchdog_hw_running(wdd))
 		return da9063_wdt_start(wdd);
 
 	return 0;
diff --git a/drivers/watchdog/digicolor_wdt.c b/drivers/watchdog/digicolor_wdt.c
index 073d37867f47..de1a3267a972 100644
--- a/drivers/watchdog/digicolor_wdt.c
+++ b/drivers/watchdog/digicolor_wdt.c
@@ -25,6 +25,7 @@ struct dc_wdt {
 	void __iomem		*base;
 	struct clk		*clk;
 	spinlock_t		lock;
+	unsigned long		rate;
 };
 
 static unsigned timeout;
@@ -61,7 +62,7 @@ static int dc_wdt_start(struct watchdog_device *wdog)
 {
 	struct dc_wdt *wdt = watchdog_get_drvdata(wdog);
 
-	dc_wdt_set(wdt, wdog->timeout * clk_get_rate(wdt->clk));
+	dc_wdt_set(wdt, wdog->timeout * wdt->rate);
 
 	return 0;
 }
@@ -79,7 +80,7 @@ static int dc_wdt_set_timeout(struct watchdog_device *wdog, unsigned int t)
 {
 	struct dc_wdt *wdt = watchdog_get_drvdata(wdog);
 
-	dc_wdt_set(wdt, t * clk_get_rate(wdt->clk));
+	dc_wdt_set(wdt, t * wdt->rate);
 	wdog->timeout = t;
 
 	return 0;
@@ -90,7 +91,7 @@ static unsigned int dc_wdt_get_timeleft(struct watchdog_device *wdog)
 	struct dc_wdt *wdt = watchdog_get_drvdata(wdog);
 	uint32_t count = readl_relaxed(wdt->base + TIMER_A_COUNT);
 
-	return count / clk_get_rate(wdt->clk);
+	return count / wdt->rate;
 }
 
 static const struct watchdog_ops dc_wdt_ops = {
@@ -130,7 +131,11 @@ static int dc_wdt_probe(struct platform_device *pdev)
 	wdt->clk = devm_clk_get(dev, NULL);
 	if (IS_ERR(wdt->clk))
 		return PTR_ERR(wdt->clk);
-	dc_wdt_wdd.max_timeout = U32_MAX / clk_get_rate(wdt->clk);
+
+	wdt->rate = clk_get_rate(wdt->clk);
+	if (!wdt->rate)
+		return -EINVAL;
+	dc_wdt_wdd.max_timeout = U32_MAX / wdt->rate;
 	dc_wdt_wdd.timeout = dc_wdt_wdd.max_timeout;
 	dc_wdt_wdd.parent = dev;
 
diff --git a/drivers/watchdog/msc313e_wdt.c b/drivers/watchdog/msc313e_wdt.c
index 4a5cce2a16b1..d62586f6e09d 100644
--- a/drivers/watchdog/msc313e_wdt.c
+++ b/drivers/watchdog/msc313e_wdt.c
@@ -46,6 +46,9 @@ static void msc313e_wdt_set_hw_timeout(struct msc313e_wdt_priv *priv,
 {
 	u32 t = timeout * clk_get_rate(priv->clk);
 
+	/* Clear before to prevent premature reset during non-atomic updates. */
+	writew(1, priv->base + REG_WDT_CLR);
+
 	writew(t & 0xffff, priv->base + REG_WDT_MAX_PRD_L);
 	writew((t >> 16) & 0xffff, priv->base + REG_WDT_MAX_PRD_H);
 	writew(1, priv->base + REG_WDT_CLR);
@@ -76,6 +79,9 @@ static int msc313e_wdt_stop(struct watchdog_device *wdev)
 {
 	struct msc313e_wdt_priv *priv = watchdog_get_drvdata(wdev);
 
+	/* Clear before to prevent premature reset during non-atomic updates. */
+	writew(1, priv->base + REG_WDT_CLR);
+
 	writew(0, priv->base + REG_WDT_MAX_PRD_L);
 	writew(0, priv->base + REG_WDT_MAX_PRD_H);
 	writew(0, priv->base + REG_WDT_CLR);
@@ -191,11 +197,15 @@ static int __maybe_unused msc313e_wdt_suspend(struct device *dev)
 static int __maybe_unused msc313e_wdt_resume(struct device *dev)
 {
 	struct msc313e_wdt_priv *priv = dev_get_drvdata(dev);
+	int ret = 0;
 
-	if (watchdog_active(&priv->wdev) || watchdog_hw_running(&priv->wdev))
-		msc313e_wdt_start(&priv->wdev);
+	if (watchdog_active(&priv->wdev) || watchdog_hw_running(&priv->wdev)) {
+		ret = msc313e_wdt_start(&priv->wdev);
+		if (ret)
+			dev_err(dev, "Failed to restart watchdog (err=%d)\n", ret);
+	}
 
-	return 0;
+	return ret;
 }
 
 static SIMPLE_DEV_PM_OPS(msc313e_wdt_pm_ops, msc313e_wdt_suspend, msc313e_wdt_resume);
diff --git a/drivers/watchdog/rtd119x_wdt.c b/drivers/watchdog/rtd119x_wdt.c
index 984905695dde..0bfadb58917b 100644
--- a/drivers/watchdog/rtd119x_wdt.c
+++ b/drivers/watchdog/rtd119x_wdt.c
@@ -98,6 +98,7 @@ static int rtd119x_wdt_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	struct rtd119x_watchdog_device *data;
+	unsigned long rate;
 
 	data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
 	if (!data)
@@ -111,10 +112,14 @@ static int rtd119x_wdt_probe(struct platform_device *pdev)
 	if (IS_ERR(data->clk))
 		return PTR_ERR(data->clk);
 
+	rate = clk_get_rate(data->clk);
+	if (!rate)
+		return -EINVAL;
+
 	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.max_timeout = 0xffffffff / rate;
 	data->wdt_dev.min_timeout = 1;
 	data->wdt_dev.parent = dev;
 
diff --git a/drivers/watchdog/rzv2h_wdt.c b/drivers/watchdog/rzv2h_wdt.c
index 3b6abb66a1da..83540dd9a37b 100644
--- a/drivers/watchdog/rzv2h_wdt.c
+++ b/drivers/watchdog/rzv2h_wdt.c
@@ -278,6 +278,7 @@ static int rzv2h_wdt_probe(struct platform_device *pdev)
 	struct device *dev = &pdev->dev;
 	struct rzv2h_wdt_priv *priv;
 	struct clk *count_clk;
+	unsigned long rate;
 	int ret;
 
 	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
@@ -314,8 +315,12 @@ static int rzv2h_wdt_probe(struct platform_device *pdev)
 		return dev_err_probe(dev, -EINVAL, "Invalid count source\n");
 	}
 
+	rate = clk_get_rate(count_clk);
+	if (!rate)
+		return dev_err_probe(dev, -EINVAL, "Invalid clock rate\n");
+
 	priv->wdev.max_hw_heartbeat_ms = (MILLI * priv->of_data->timeout_cycles *
-					  priv->of_data->cks_div) / clk_get_rate(count_clk);
+					  priv->of_data->cks_div) / rate;
 	dev_dbg(dev, "max hw timeout of %dms\n", priv->wdev.max_hw_heartbeat_ms);
 
 	ret = devm_pm_runtime_enable(dev);
diff --git a/drivers/watchdog/sp5100_tco.c b/drivers/watchdog/sp5100_tco.c
index 7e99c3b1f367..72ad59649ccc 100644
--- a/drivers/watchdog/sp5100_tco.c
+++ b/drivers/watchdog/sp5100_tco.c
@@ -605,8 +605,10 @@ static int __init sp5100_tco_init(void)
 	pr_info("SP5100/SB800 TCO WatchDog Timer Driver\n");
 
 	err = platform_driver_register(&sp5100_tco_driver);
-	if (err)
+	if (err) {
+		pci_dev_put(sp5100_tco_pci);
 		return err;
+	}
 
 	sp5100_tco_platform_device =
 		platform_device_register_simple(TCO_DRIVER_NAME, -1, NULL, 0);
@@ -619,6 +621,7 @@ static int __init sp5100_tco_init(void)
 
 unreg_platform_driver:
 	platform_driver_unregister(&sp5100_tco_driver);
+	pci_dev_put(sp5100_tco_pci);
 	return err;
 }
 
@@ -626,6 +629,7 @@ static void __exit sp5100_tco_exit(void)
 {
 	platform_device_unregister(sp5100_tco_platform_device);
 	platform_driver_unregister(&sp5100_tco_driver);
+	pci_dev_put(sp5100_tco_pci);
 }
 
 module_init(sp5100_tco_init);
diff --git a/drivers/watchdog/starfive-wdt.c b/drivers/watchdog/starfive-wdt.c
index af55adc4a3c6..5a3254c83d3b 100644
--- a/drivers/watchdog/starfive-wdt.c
+++ b/drivers/watchdog/starfive-wdt.c
@@ -371,7 +371,7 @@ static void starfive_wdt_stop(struct starfive_wdt *wdt)
 static int starfive_wdt_pm_start(struct watchdog_device *wdd)
 {
 	struct starfive_wdt *wdt = watchdog_get_drvdata(wdd);
-	int ret = pm_runtime_get_sync(wdd->parent);
+	int ret = pm_runtime_resume_and_get(wdd->parent);
 
 	if (ret < 0)
 		return ret;