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NAME

       rio_open_outb_mbox - Initialize MPC85xx outbound mailbox

SYNOPSIS

       int rio_open_outb_mbox  (struct rio_mport * mport, void * dev_id,
                                 int mbox, int entries);

ARGUMENTS

       mport  Master port implementing the outbound message unit

       dev_id Device specific pointer to pass on event

       mbox   Mailbox to open

       entries
              Number of entries in the outbound mailbox ring

DESCRIPTION

       Initializes buffer ring, request the outbound  message  interrupt,  and
       enables  the outbound message unit. Returns 0 on success and -EINVAL or
       -ENOMEM on failure.

AUTHOR

       Matt Porter <mporter@kernel.crashing.org> <mporter@mvista.com>.