| RIO_OPEN_OUTB_MBOX(9) | Internals | RIO_OPEN_OUTB_MBOX(9) |
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>
Author.
COPYRIGHT¶
| April 2023 | Kernel Hackers Manual 2.6. |