4 files changed, 15 insertions, 15 deletions
diff --git a/drivers/watchdog/cdns_wdt.c b/drivers/watchdog/cdns_wdt.c
index 6dfdd31c8b8..743ab6487bc 100644
--- a/drivers/watchdog/cdns_wdt.c
+++ b/drivers/watchdog/cdns_wdt.c
@@ -271,9 +271,9 @@ static int cdns_wdt_of_to_plat(struct udevice *dev)
 {
 	struct cdns_wdt_priv *priv = dev_get_priv(dev);
 
-	priv->regs = (struct cdns_regs *)dev_read_addr(dev);
-	if (IS_ERR(priv->regs))
-		return PTR_ERR(priv->regs);
+	priv->regs = dev_read_addr_ptr(dev);
+	if (!priv->regs)
+		return -EINVAL;
 
 	priv->rst = dev_read_bool(dev, "reset-on-timeout");
 
diff --git a/drivers/watchdog/sbsa_gwdt.c b/drivers/watchdog/sbsa_gwdt.c
index f43cd3fd2fb..96d04665d52 100644
--- a/drivers/watchdog/sbsa_gwdt.c
+++ b/drivers/watchdog/sbsa_gwdt.c
@@ -98,13 +98,13 @@ static int sbsa_gwdt_of_to_plat(struct udevice *dev)
 {
 	struct sbsa_gwdt_priv *priv = dev_get_priv(dev);
 
-	priv->reg_control = (void __iomem *)dev_read_addr_index(dev, 0);
-	if (IS_ERR(priv->reg_control))
-		return PTR_ERR(priv->reg_control);
+	priv->reg_control = dev_read_addr_index_ptr(dev, 0);
+	if (!priv->reg_control)
+		return -EINVAL;
 
-	priv->reg_refresh = (void __iomem *)dev_read_addr_index(dev, 1);
-	if (IS_ERR(priv->reg_refresh))
-		return PTR_ERR(priv->reg_refresh);
+	priv->reg_refresh = dev_read_addr_index_ptr(dev, 1);
+	if (!priv->reg_refresh)
+		return -EINVAL;
 
 	return 0;
 }
diff --git a/drivers/watchdog/sp805_wdt.c b/drivers/watchdog/sp805_wdt.c
index 0d6fb120654..6d58fd3cfda 100644
--- a/drivers/watchdog/sp805_wdt.c
+++ b/drivers/watchdog/sp805_wdt.c
@@ -116,9 +116,9 @@ static int sp805_wdt_of_to_plat(struct udevice *dev)
 	struct sp805_wdt_priv *priv = dev_get_priv(dev);
 	struct clk clk;
 
-	priv->reg = (void __iomem *)dev_read_addr(dev);
-	if (IS_ERR(priv->reg))
-		return PTR_ERR(priv->reg);
+	priv->reg = dev_read_addr_ptr(dev);
+	if (!priv->reg)
+		return -EINVAL;
 
 	if (!clk_get_by_index(dev, 0, &clk))
 		priv->clk_rate = clk_get_rate(&clk);
diff --git a/drivers/watchdog/xilinx_tb_wdt.c b/drivers/watchdog/xilinx_tb_wdt.c
index 1687a4599fc..0f9fb020028 100644
--- a/drivers/watchdog/xilinx_tb_wdt.c
+++ b/drivers/watchdog/xilinx_tb_wdt.c
@@ -94,9 +94,9 @@ static int xlnx_wdt_of_to_plat(struct udevice *dev)
 {
 	struct xlnx_wdt_plat *plat = dev_get_plat(dev);
 
-	plat->regs = (struct watchdog_regs *)dev_read_addr(dev);
-	if (IS_ERR(plat->regs))
-		return PTR_ERR(plat->regs);
+	plat->regs = dev_read_addr_ptr(dev);
+	if (!plat->regs)
+		return -EINVAL;
 
 	plat->enable_once = dev_read_u32_default(dev, "xlnx,wdt-enable-once",
 						 0);