From: Marek Vasut <marex@denx.de>
Date: Fri, 27 Jul 2012 22:57:12 +0000 (+0200)
Subject: MPC8xx: Fixup warning in arch/powerpc/cpu/mpc8xx/cpu.c
X-Git-Tag: v2012.10-rc1~415^2~35^2
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=15ae8a31ca5d3860b0957edec4fca373daff6bb5;p=u-boot

MPC8xx: Fixup warning in arch/powerpc/cpu/mpc8xx/cpu.c

cpu.c: In function ‘check_CPU’:
cpu.c:256:2: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Wolfgang Denk <wd@denx.de>
Subject slightly changed.
Signed-off-by: Wolfgang Denk <wd@denx.de>

Tested on TQM855MDCBAB7-T66.102 (MPC855T at 66 MHz) and
TQM860LDB0A3-T50.202 (MPC860T at 50MHz).

Tested-by: Wolfgang Denk <wd@denx.de>
Acked-by: Wolfgang Denk <wd@denx.de>
---

diff --git a/arch/powerpc/cpu/mpc8xx/cpu.c b/arch/powerpc/cpu/mpc8xx/cpu.c
index 5cbf9a688e..b3fcfe5626 100644
--- a/arch/powerpc/cpu/mpc8xx/cpu.c
+++ b/arch/powerpc/cpu/mpc8xx/cpu.c
@@ -41,6 +41,7 @@
 #include <netdev.h>
 #include <asm/cache.h>
 #include <linux/compiler.h>
+#include <asm/io.h>
 
 #if defined(CONFIG_OF_LIBFDT)
 #include <libfdt.h>
@@ -253,7 +254,7 @@ static int check_CPU (long clock, uint pvr, uint immr)
 	if ((pvr >> 16) != 0x0050)
 		return -1;
 
-	k = (immr << 16) | *((ushort *) & immap->im_cpm.cp_dparam[0xB0]);
+	k = (immr << 16) | in_be16((ushort *)&immap->im_cpm.cp_dparam[0xB0]);
 	m = 0;
 
 	switch (k) {