RIO_OPEN_OUTB_MBOX

Section: Internals (9)
Updated: February 2011
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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>