diff --git a/[refs] b/[refs]
index 92bca56fc0e2..06ad829b2ae9 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 65ed76010dfed3cb75c863c9052c367a1bacf80a
+refs/heads/master: db7b122cf5f769046d410f82a1e9fe7006ed955a
diff --git a/trunk/arch/arm/mach-ux500/mbox-db5500.c b/trunk/arch/arm/mach-ux500/mbox-db5500.c
index 2b2d51caf9d8..0127490218cd 100644
--- a/trunk/arch/arm/mach-ux500/mbox-db5500.c
+++ b/trunk/arch/arm/mach-ux500/mbox-db5500.c
@@ -168,7 +168,7 @@ static ssize_t mbox_read_fifo(struct device *dev,
 	return sprintf(buf, "0x%X\n", mbox_value);
 }
 
-static DEVICE_ATTR(fifo, S_IWUGO | S_IRUGO, mbox_read_fifo, mbox_write_fifo);
+static DEVICE_ATTR(fifo, S_IWUSR | S_IRUGO, mbox_read_fifo, mbox_write_fifo);
 
 static int mbox_show(struct seq_file *s, void *data)
 {