z8530_init(9)
NAME
z8530_init - Initialise a Z8530 device
SYNOPSIS
int z8530_init(struct z8530_dev * dev);
ARGUMENTS
- dev
- Z8530 device to initialise.
DESCRIPTION
Configure up a Z8530/Z85C30 or Z85230 chip. We check the device is
present, identify the type and then program it to hopefully keep quite
and behave. This matters a lot, a Z8530 in the wrong state will
sometimes get into stupid modes generating 10Khz interrupt streams and
the like.
We set the interrupt handler up to discard any events, in case we get
them during reset or setp.
Return 0 for success, or a negative value indicating the problem in
errno form.
AUTHOR
- Alan Cox <alan@redhat.com>
- Author.