--- zzzz-none-000/linux-3.10.107/arch/arm/mach-pxa/reset.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/arm/mach-pxa/reset.c	2021-02-04 17:41:59.000000000 +0000
@@ -90,7 +90,7 @@
 		writel_relaxed(MDREFR_SLFRSH, MDREFR);
 }
 
-void pxa_restart(char mode, const char *cmd)
+void pxa_restart(enum reboot_mode mode, const char *cmd)
 {
 	local_irq_disable();
 	local_fiq_disable();
@@ -98,14 +98,14 @@
 	clear_reset_status(RESET_STATUS_ALL);
 
 	switch (mode) {
-	case 's':
+	case REBOOT_SOFT:
 		/* Jump into ROM at address 0 */
 		soft_restart(0);
 		break;
-	case 'g':
+	case REBOOT_GPIO:
 		do_gpio_reset();
 		break;
-	case 'h':
+	case REBOOT_HARD:
 	default:
 		do_hw_reset();
 		break;