On Thursday 12 June 2014 12:48:10 Ashwin Chaugule wrote:

+#ifndef CONFIG_ACPI
        if (!mbox->of_xlate)
                mbox->of_xlate = of_mbox_index_xlate;
-
+#endif
        mutex_lock(&con_mutex);
        list_add_tail(&mbox->node, &mbox_cons);
        mutex_unlock(&con_mutex);

You can't do #ifndef here, the driver must still work if
both OF and ACPI are enabled.

	Arnd