From 178e393d3a00604143eab2889939ea13be095e03 Mon Sep 17 00:00:00 2001
From: Laurent Dufour <ldufour@linux.vnet.ibm.com>
Date: Thu, 30 Jan 2014 16:32:03 +0100
Subject: ppc64/kexec/purgatory Fix RTAS calls in Little Endian mode.

RTAS is expecting parameters in Big Endian order so we have to byte swap
them in LE mode.

In the purgatory RTAS calls are only made for debug output.

Signed-off-by: Laurent Dufour <ldufour@linux.vnet.ibm.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
---
 purgatory/arch/ppc64/console-ppc64.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/purgatory/arch/ppc64/console-ppc64.c b/purgatory/arch/ppc64/console-ppc64.c
index 78a233b..b80183c 100644
--- a/purgatory/arch/ppc64/console-ppc64.c
+++ b/purgatory/arch/ppc64/console-ppc64.c
@@ -21,6 +21,9 @@
 
 #include <purgatory.h>
 #include "hvCall.h"
+#include <byteswap.h>
+#include <endian.h>
+#include <asm/byteorder.h>
 
 extern int debug;
 
@@ -36,6 +39,7 @@ void putchar(int c)
 		putchar('\r');
 
 	buff[0] = c;
-	plpar_hcall_norets(H_PUT_TERM_CHAR, 0, 1, lbuf[0], lbuf[1]);
+	plpar_hcall_norets(H_PUT_TERM_CHAR, 0, 1,
+			   __cpu_to_be64(lbuf[0]), __cpu_to_be64(lbuf[1]));
 	return;
 }
-- 
cgit