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Diffstat (limited to 'arch/powerpc/kernel/legacy_serial.c')
-rw-r--r--arch/powerpc/kernel/legacy_serial.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/legacy_serial.c b/arch/powerpc/kernel/legacy_serial.c
index bc525ea0dc09..0694d20f85b6 100644
--- a/arch/powerpc/kernel/legacy_serial.c
+++ b/arch/powerpc/kernel/legacy_serial.c
@@ -233,7 +233,8 @@ static int __init add_legacy_isa_port(struct device_node *np,
*
* Note: Don't even try on P8 lpc, we know it's not directly mapped
*/
- if (!of_device_is_compatible(isa_brg, "ibm,power8-lpc")) {
+ if (!of_device_is_compatible(isa_brg, "ibm,power8-lpc") ||
+ of_get_property(isa_brg, "ranges", NULL)) {
taddr = of_translate_address(np, reg);
if (taddr == OF_BAD_ADDR)
taddr = 0;