diff --git a/arch/m68k/include/asm/atomic.h b/arch/m68k/include/asm/atomic.h
index 336e6173794f3a2c2b720d4b3ce87e8ddca7d67a..f4e32de263a7cefe98f3c9a5f7b2dc4071c12d00 100644
--- a/arch/m68k/include/asm/atomic.h
+++ b/arch/m68k/include/asm/atomic.h
@@ -3,6 +3,7 @@
 
 #include <linux/types.h>
 #include <linux/irqflags.h>
+#include <asm/cmpxchg.h>
 
 /*
  * Atomic operations that C can't guarantee us.  Useful for
diff --git a/arch/m68k/mac/config.c b/arch/m68k/mac/config.c
index 96fa6ed7e7995b5bbee00f1d3d6f513ccba288ad..d9f62e0f46c0b8861aff1509549be510c0b2a514 100644
--- a/arch/m68k/mac/config.c
+++ b/arch/m68k/mac/config.c
@@ -980,6 +980,9 @@ int __init mac_platform_init(void)
 {
 	u8 *swim_base;
 
+	if (!MACH_IS_MAC)
+		return -ENODEV;
+
 	/*
 	 * Serial devices
 	 */
diff --git a/arch/m68k/q40/config.c b/arch/m68k/q40/config.c
index 512adb64f7dd574bbe11613ddc21fc75e80bfcf1..8a1ce327c963da94dffa388f2fff533260467679 100644
--- a/arch/m68k/q40/config.c
+++ b/arch/m68k/q40/config.c
@@ -334,6 +334,9 @@ static __init int q40_add_kbd_device(void)
 {
 	struct platform_device *pdev;
 
+	if (!MACH_IS_Q40)
+		return -ENODEV;
+
 	pdev = platform_device_register_simple("q40kbd", -1, NULL, 0);
 	if (IS_ERR(pdev))
 		return PTR_ERR(pdev);