diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index c758b6624d7bee6c777c5e0532c8b16553b7f52b..0d91961f943393b4075180ff039d317872cd696f 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -1872,7 +1872,7 @@ static void __init fixup_device_tree(void)
 	if (prom_getprop(u3, "device-rev", &u3_rev, sizeof(u3_rev))
 	    == PROM_ERROR)
 		return;
-	if (u3_rev != 0x35 && u3_rev != 0x37)
+	if (u3_rev < 0x35 || u3_rev > 0x39)
 		return;
 	/* does it need fixup ? */
 	if (prom_getproplen(i2c, "interrupts") > 0)
diff --git a/arch/ppc64/kernel/prom_init.c b/arch/ppc64/kernel/prom_init.c
index e72b3f9061f018a8b0c32e865a73bfe9a9b2a3e4..e4c880dab997bf9cc7baeb33efe3cd54bcca22fc 100644
--- a/arch/ppc64/kernel/prom_init.c
+++ b/arch/ppc64/kernel/prom_init.c
@@ -1824,7 +1824,7 @@ static void __init fixup_device_tree(void)
 	if (prom_getprop(u3, "device-rev", &u3_rev, sizeof(u3_rev))
 	    == PROM_ERROR)
 		return;
-	if (u3_rev != 0x35 && u3_rev != 0x37)
+	if (u3_rev < 0x35 || u3_rev > 0x39)
 		return;
 	/* does it need fixup ? */
 	if (prom_getproplen(i2c, "interrupts") > 0)