--- zzzz-none-000/linux-3.10.107/drivers/regulator/dbx500-prcmu.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/regulator/dbx500-prcmu.c	2021-02-04 17:41:59.000000000 +0000
@@ -78,6 +78,7 @@
 void ux500_regulator_suspend_debug(void)
 {
 	int i;
+
 	for (i = 0; i < rdebug.num_regulators; i++)
 		rdebug.state_before_suspend[i] =
 			rdebug.regulator_array[i].is_enabled;
@@ -86,6 +87,7 @@
 void ux500_regulator_resume_debug(void)
 {
 	int i;
+
 	for (i = 0; i < rdebug.num_regulators; i++)
 		rdebug.state_after_suspend[i] =
 			rdebug.regulator_array[i].is_enabled;
@@ -93,14 +95,9 @@
 
 static int ux500_regulator_power_state_cnt_print(struct seq_file *s, void *p)
 {
-	struct device *dev = s->private;
-	int err;
-
 	/* print power state count */
-	err = seq_printf(s, "ux500-regulator power state count: %i\n",
-		power_state_active_get());
-	if (err < 0)
-		dev_err(dev, "seq_printf overflow\n");
+	seq_printf(s, "ux500-regulator power state count: %i\n",
+		   power_state_active_get());
 
 	return 0;
 }
@@ -122,19 +119,11 @@
 
 static int ux500_regulator_status_print(struct seq_file *s, void *p)
 {
-	struct device *dev = s->private;
-	int err;
 	int i;
 
 	/* print dump header */
-	err = seq_printf(s, "ux500-regulator status:\n");
-	if (err < 0)
-		dev_err(dev, "seq_printf overflow\n");
-
-	err = seq_printf(s, "%31s : %8s : %8s\n", "current",
-		"before", "after");
-	if (err < 0)
-		dev_err(dev, "seq_printf overflow\n");
+	seq_puts(s, "ux500-regulator status:\n");
+	seq_printf(s, "%31s : %8s : %8s\n", "current", "before", "after");
 
 	for (i = 0; i < rdebug.num_regulators; i++) {
 		struct dbx500_regulator_info *info;
@@ -142,12 +131,11 @@
 		info = &rdebug.regulator_array[i];
 
 		/* print status */
-		err = seq_printf(s, "%20s : %8s : %8s : %8s\n", info->desc.name,
-			info->is_enabled ? "enabled" : "disabled",
-			rdebug.state_before_suspend[i] ? "enabled" : "disabled",
-			rdebug.state_after_suspend[i] ? "enabled" : "disabled");
-		if (err < 0)
-			dev_err(dev, "seq_printf overflow\n");
+		seq_printf(s, "%20s : %8s : %8s : %8s\n",
+			   info->desc.name,
+			   info->is_enabled ? "enabled" : "disabled",
+			   rdebug.state_before_suspend[i] ? "enabled" : "disabled",
+			   rdebug.state_after_suspend[i] ? "enabled" : "disabled");
 	}
 
 	return 0;
@@ -202,18 +190,12 @@
 	rdebug.num_regulators = num_regulators;
 
 	rdebug.state_before_suspend = kzalloc(num_regulators, GFP_KERNEL);
-	if (!rdebug.state_before_suspend) {
-		dev_err(&pdev->dev,
-			"could not allocate memory for saving state\n");
+	if (!rdebug.state_before_suspend)
 		goto exit_destroy_power_state;
-	}
 
 	rdebug.state_after_suspend = kzalloc(num_regulators, GFP_KERNEL);
-	if (!rdebug.state_after_suspend) {
-		dev_err(&pdev->dev,
-			"could not allocate memory for saving state\n");
+	if (!rdebug.state_after_suspend)
 		goto exit_free;
-	}
 
 	dbx500_regulator_testcase(regulator_info, num_regulators);
 	return 0;