6267ee6afae0 ("mailbox: bcm-pdc: Use device-managed registration API")
9fb0f9ac54b3 ("mailbox: bcm-pdc: Changes so mbox client can be removed / re-inserted")
a24532f8d17b ("mailbox: Add Broadcom PDC mailbox driver")
9c384189f540 ("mailbox: Hi6220: add mailbox driver")
f700e84f417b ("mailbox: Add support for APM X-Gene platform mailbox driver")