[POWERPC] Fix early btext debug on PowerMac

The early btext debug wouldn't work on PowerMac when booted from BootX
due to the code looking for the wrong property name.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 3 insertions, 1 deletions

diff --git a/arch/powerpc/kernel/btext.c b/arch/powerpc/kernel/btext.c
index 3ef51fb6f107..9c74fdf29eec 100644
--- a/arch/powerpc/kernel/btext.c
+++ b/arch/powerpc/kernel/btext.c
@@ -186,7 +186,9 @@ int btext_initialize(struct device_node *np)
                 pitch = *prop;
         if (pitch == 1)
                 pitch = 0x1000;
-        prop = of_get_property(np, "address", NULL);
+        prop = of_get_property(np, "linux,bootx-addr", NULL);
+        if (prop == NULL)
+                prop = of_get_property(np, "address", NULL);
         if (prop)
                 address = *prop;