--- zzzz-none-000/linux-3.10.107/arch/powerpc/platforms/52xx/mpc52xx_gpt.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/powerpc/platforms/52xx/mpc52xx_gpt.c	2021-02-04 17:41:59.000000000 +0000
@@ -191,9 +191,9 @@
 	.irq_set_type = mpc52xx_gpt_irq_set_type,
 };
 
-void mpc52xx_gpt_irq_cascade(unsigned int virq, struct irq_desc *desc)
+static void mpc52xx_gpt_irq_cascade(struct irq_desc *desc)
 {
-	struct mpc52xx_gpt_priv *gpt = irq_get_handler_data(virq);
+	struct mpc52xx_gpt_priv *gpt = irq_desc_get_handler_data(desc);
 	int sub_virq;
 	u32 status;
 
@@ -724,7 +724,7 @@
 {
 	struct mpc52xx_gpt_priv *gpt;
 
-	gpt = kzalloc(sizeof *gpt, GFP_KERNEL);
+	gpt = devm_kzalloc(&ofdev->dev, sizeof *gpt, GFP_KERNEL);
 	if (!gpt)
 		return -ENOMEM;
 
@@ -732,10 +732,8 @@
 	gpt->dev = &ofdev->dev;
 	gpt->ipb_freq = mpc5xxx_get_bus_frequency(ofdev->dev.of_node);
 	gpt->regs = of_iomap(ofdev->dev.of_node, 0);
-	if (!gpt->regs) {
-		kfree(gpt);
+	if (!gpt->regs)
 		return -ENOMEM;
-	}
 
 	dev_set_drvdata(&ofdev->dev, gpt);
 
@@ -782,7 +780,6 @@
 static struct platform_driver mpc52xx_gpt_driver = {
 	.driver = {
 		.name = "mpc52xx-gpt",
-		.owner = THIS_MODULE,
 		.of_match_table = mpc52xx_gpt_match,
 	},
 	.probe = mpc52xx_gpt_probe,