device_detach(9)

NAME

DEVICE_DETACH - detach a device

SYNOPSIS

#include <sys/param.h>
#include <sys/bus.h>
int
DEVICE_DETACH(device_t dev);

DESCRIPTION

Detach a device. This can be called if the user is replac

ing the driver
software or if a device is about to be physically removed

from the system
(e.g. for pccard(4) devices).

The method should deallocate any system resources allocated

during the
DEVICE_ATTACH(9) method and reset the hardware to a sane

state (i.e.,
disable interrupts etc.)

RETURN VALUES

Zero is returned on success, otherwise an appropriate error

is returned.

SEE ALSO

pccard(4), device(9), DEVICE_ATTACH(9), DEVICE_IDENTIFY(9),
DEVICE_PROBE(9), DEVICE_SHUTDOWN(9)

AUTHORS

This manual page was written by Doug Rabson.

BSD June 16, 1998

BSD