From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: Tue, 13 Nov 2007 02:46:52 +0000 (+1100)
Subject: [POWERPC] Fix early btext debug on PowerMac
X-Git-Tag: firefly_0821_release~24429^2~1
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=b7a2da1199d2ba2a870b137d6b4c2a538ab68c38;p=firefly-linux-kernel-4.4.55.git

[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>
---

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;