diff --git a/arch/powerpc/platforms/maple/time.c b/arch/powerpc/platforms/maple/time.c
index 81799d70a1ee..cfddc87f81bf 100644
--- a/arch/powerpc/platforms/maple/time.c
+++ b/arch/powerpc/platforms/maple/time.c
@@ -134,7 +134,7 @@ int maple_set_rtc_time(struct rtc_time *tm)
 
 static struct resource rtc_iores = {
 	.name = "rtc",
-	.flags = IORESOURCE_BUSY,
+	.flags = IORESOURCE_IO | IORESOURCE_BUSY,
 };
 
 unsigned long __init maple_get_boot_time(void)
diff --git a/arch/powerpc/sysdev/i8259.c b/arch/powerpc/sysdev/i8259.c
index bafb014e1a7e..cb9a8b71fd0f 100644
--- a/arch/powerpc/sysdev/i8259.c
+++ b/arch/powerpc/sysdev/i8259.c
@@ -145,21 +145,21 @@ static struct resource pic1_iores = {
 	.name = "8259 (master)",
 	.start = 0x20,
 	.end = 0x21,
-	.flags = IORESOURCE_BUSY,
+	.flags = IORESOURCE_IO | IORESOURCE_BUSY,
 };
 
 static struct resource pic2_iores = {
 	.name = "8259 (slave)",
 	.start = 0xa0,
 	.end = 0xa1,
-	.flags = IORESOURCE_BUSY,
+	.flags = IORESOURCE_IO | IORESOURCE_BUSY,
 };
 
 static struct resource pic_edgectrl_iores = {
 	.name = "8259 edge control",
 	.start = 0x4d0,
 	.end = 0x4d1,
-	.flags = IORESOURCE_BUSY,
+	.flags = IORESOURCE_IO | IORESOURCE_BUSY,
 };
 
 static int i8259_host_match(struct irq_domain *h, struct device_node *node,