* a termination value are expected to immediately follow the header in
* memory, as required by the property protocol.
*
+ * Each struct bcm2835_mbox_hdr passed must be allocated with
+ * ALLOC_CACHE_ALIGN_BUFFER(x, y, z) to ensure proper cache flush/invalidate.
+ *
* Returns 0 for success, any other value for error.
*/
int bcm2835_mbox_call_prop(u32 chan, struct bcm2835_mbox_hdr *buffer);