--- zzzz-none-000/linux-3.10.107/arch/powerpc/platforms/52xx/efika.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/powerpc/platforms/52xx/efika.c	2021-02-04 17:41:59.000000000 +0000
@@ -13,6 +13,7 @@
 #include <generated/utsrelease.h>
 #include <linux/pci.h>
 #include <linux/of.h>
+#include <asm/dma.h>
 #include <asm/prom.h>
 #include <asm/time.h>
 #include <asm/machdep.h>
@@ -199,8 +200,8 @@
 
 static int __init efika_probe(void)
 {
-	char *model = of_get_flat_dt_prop(of_get_flat_dt_root(),
-					  "model", NULL);
+	const char *model = of_get_flat_dt_prop(of_get_flat_dt_root(),
+						"model", NULL);
 
 	if (model == NULL)
 		return 0;
@@ -211,6 +212,8 @@
 	DMA_MODE_READ = 0x44;
 	DMA_MODE_WRITE = 0x48;
 
+	pm_power_off = rtas_power_off;
+
 	return 1;
 }
 
@@ -224,7 +227,6 @@
 	.init_IRQ		= mpc52xx_init_irq,
 	.get_irq		= mpc52xx_get_irq,
 	.restart		= rtas_restart,
-	.power_off		= rtas_power_off,
 	.halt			= rtas_halt,
 	.set_rtc_time		= rtas_set_rtc_time,
 	.get_rtc_time		= rtas_get_rtc_time,