powerpc/powernv: Fix endian issues with OPAL async code

OPAL defines opal_msg as a big endian struct so we have to
byte swap it on little endian builds.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

1 files changed, 3 insertions, 3 deletions

diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h
index 6fb5f90e6464..fc73661c20fa 100644
--- a/arch/powerpc/include/asm/opal.h
+++ b/arch/powerpc/include/asm/opal.h
@@ -422,9 +422,9 @@ enum OpalSysparamPerm {
 };
 
 struct opal_msg {
-        uint32_t msg_type;
-        uint32_t reserved;
-        uint64_t params[8];
+        __be32 msg_type;
+        __be32 reserved;
+        __be64 params[8];
 };
 
 struct opal_machine_check_event {