powerpc/powernv: Make OPAL NVRAM device tree accesses endian safe
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
diff --git a/arch/powerpc/platforms/powernv/opal-nvram.c b/arch/powerpc/platforms/powernv/opal-nvram.c
index 3f83e1a..acd9f7e 100644
--- a/arch/powerpc/platforms/powernv/opal-nvram.c
+++ b/arch/powerpc/platforms/powernv/opal-nvram.c
@@ -65,7 +65,7 @@
void __init opal_nvram_init(void)
{
struct device_node *np;
- const u32 *nbytes_p;
+ const __be32 *nbytes_p;
np = of_find_compatible_node(NULL, NULL, "ibm,opal-nvram");
if (np == NULL)
@@ -76,7 +76,7 @@
of_node_put(np);
return;
}
- nvram_size = *nbytes_p;
+ nvram_size = be32_to_cpup(nbytes_p);
printk(KERN_INFO "OPAL nvram setup, %u bytes\n", nvram_size);
of_node_put(np);