[PATCH 34/39] tty/hvc_opal: powerpc: Make OPAL HVC device tree accesses endian safe

Anton Blanchard anton at samba.org
Mon Sep 23 12:05:08 EST 2013


From: Benjamin Herrenschmidt <benh at kernel.crashing.org>

Signed-off-by: Benjamin Herrenschmidt <benh at kernel.crashing.org>
---
 drivers/tty/hvc/hvc_opal.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/tty/hvc/hvc_opal.c b/drivers/tty/hvc/hvc_opal.c
index cd69b48..6496872 100644
--- a/drivers/tty/hvc/hvc_opal.c
+++ b/drivers/tty/hvc/hvc_opal.c
@@ -329,7 +329,7 @@ static void udbg_init_opal_common(void)
 void __init hvc_opal_init_early(void)
 {
 	struct device_node *stdout_node = NULL;
-	const u32 *termno;
+	const __be32 *termno;
 	const char *name = NULL;
 	const struct hv_ops *ops;
 	u32 index;
@@ -371,7 +371,7 @@ void __init hvc_opal_init_early(void)
 	if (!stdout_node)
 		return;
 	termno = of_get_property(stdout_node, "reg", NULL);
-	index = termno ? *termno : 0;
+	index = termno ? be32_to_cpup(termno) : 0;
 	if (index >= MAX_NR_HVC_CONSOLES)
 		return;
 	hvc_opal_privs[index] = &hvc_opal_boot_priv;
-- 
1.8.1.2



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