[PATCH v2 2/2] mailbox: apple: Add driver for Apple mailboxes

[Alyssa Rosenzweig]

> > +struct apple_mbox_msg {
> > +       u64 msg0;
> > +       u32 msg1;
> > +};
> > +
> Aren't msg0/1 the Tx and Rx channels? If so you may want to separate
> them out as such. But of course, I don't know the h/w details so I may
> be wrong.

AIUI -- It's a 96-bit message (msg0 is general purpose, msg1 is used for
dispatch). This goes for both RX and TX.