Name

rio_open_inb_mbox — Initialize MPC85xx inbound mailbox

Synopsis

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

Arguments

mport

Master port implementing the inbound message unit

dev_id

Device specific pointer to pass on event

mbox

Mailbox to open

entries

Number of entries in the inbound mailbox ring

Description

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