[XenPPC] [xenppc-unstable] [POWERPC][XEN] Ignore device tree nodes missing "device_type".

[Xen patchbot-xenppc-unstable <patchbot-xenppc-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Hollis Blanchard <hollisb@xxxxxxxxxx>
# Node ID 79015565d3487b1c4c0d4c630250d685ace81f07
# Parent  41901c3da8aaf907164b60dd81d093920133a3a9
[POWERPC][XEN] Ignore device tree nodes missing "device_type".
The latest release of SLOF is missing mandatory "device_type" properties for
the ISA and system-controller busses. Work around it by just printing a warning
and continuing.

CC: Segher Boessenkool <segher@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Amos Waterland <apw@xxxxxxxxxx>
Signed-off-by: Hollis Blanchard <hollisb@xxxxxxxxxx>
---
 xen/arch/powerpc/boot_of.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff -r 41901c3da8aa -r 79015565d348 xen/arch/powerpc/boot_of.c
--- a/xen/arch/powerpc/boot_of.c        Tue Nov 21 15:17:23 2006 -0600
+++ b/xen/arch/powerpc/boot_of.c        Tue Nov 21 15:25:02 2006 -0600
@@ -818,8 +818,10 @@ static int __init boot_of_serial(void *o
             of_panic("package-to-path failed\n");
 
         rc = of_getprop(p, "device_type", type, sizeof (type));
-        if (rc == OF_FAILURE)
-            of_panic("fetching device type failed\n");
+        if (rc == OF_FAILURE) {
+            of_printf("%s: fetching type of `%s' failed\n", __func__, buf);
+            continue;
+        }
 
         if (strcmp(type, "serial") != 0)
             continue;

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