powerpc/powernv: Make OPAL NVRAM device tree accesses endian safe
authorBenjamin Herrenschmidt <benh@kernel.crashing.org>
Mon, 23 Sep 2013 02:05:00 +0000 (12:05 +1000)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Fri, 11 Oct 2013 05:48:47 +0000 (16:48 +1100)
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
arch/powerpc/platforms/powernv/opal-nvram.c

index 3f83e1ae26acb591fbf3614bd9afbb6ae4ffa3d3..acd9f7e96678256e2620b24494fded8e90b08ebb 100644 (file)
@@ -65,7 +65,7 @@ static ssize_t opal_nvram_write(char *buf, size_t count, loff_t *index)
 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 @@ void __init opal_nvram_init(void)
                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);