diff --git a/drivers/usb/dwc3/debugfs.c b/drivers/usb/dwc3/debugfs.c
index ee782c495213..d7255c155022 100644
--- a/drivers/usb/dwc3/debugfs.c
+++ b/drivers/usb/dwc3/debugfs.c
@@ -393,6 +393,32 @@ static const struct file_operations dwc3_lsp_fops = {
 	.release		= single_release,
 };
 
+static int dwc3_regdump_show(struct seq_file *s, void *unused)
+{
+	struct dwc3		*dwc = s->private;
+
+	if (atomic_read(&dwc->in_lpm)) {
+		seq_puts(s, "USB device is powered off\n");
+		return 0;
+	}
+
+	debugfs_print_regs32(s, dwc->regset->regs, dwc->regset->nregs,
+				dwc->regset->base, "");
+	return 0;
+}
+
+static int dwc3_regdump_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, dwc3_regdump_show, inode->i_private);
+}
+
+static const struct file_operations dwc3_regdump_fops = {
+	.open			= dwc3_regdump_open,
+	.read			= seq_read,
+	.llseek			= seq_lseek,
+	.release		= single_release,
+};
+
 static int dwc3_mode_show(struct seq_file *s, void *unused)
 {
 	struct dwc3		*dwc = s->private;
@@ -1168,7 +1194,7 @@ void dwc3_debugfs_init(struct dwc3 *dwc)
 
 	dwc->root = root;
 
-	debugfs_create_regset32("regdump", S_IRUGO, root, dwc->regset);
+	debugfs_create_file("regdump", 0444, root, dwc, &dwc3_regdump_fops);
 
 	debugfs_create_file("lsp_dump", S_IRUGO | S_IWUSR, root, dwc,
 			    &dwc3_lsp_fops);