NAME    [Toc]    [Back]

     DEVICE_DETACH -- detach a device

SYNOPSIS    [Toc]    [Back]

     #include <sys/param.h>
     #include <sys/bus.h>

     int
     DEVICE_DETACH(device_t dev);

DESCRIPTION    [Toc]    [Back]

     Detach a device.  This can be called if the user is replacing the driver
     software or if a device is about to be physically removed from the system
     (e.g. for pccard 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    [Toc]    [Back]

     Zero is returned on success, otherwise an appropriate error is returned.

SEE ALSO    [Toc]    [Back]

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

AUTHORS    [Toc]    [Back]

     This man page was written by Doug Rabson.


FreeBSD 5.2.1			 June 16, 1998			 FreeBSD 5.2.1