xref: /illumos-gate/usr/src/man/man9f/ddi_regs_map_free.9f (revision 5cabbc6b49070407fb9610cfe73d4c0e0dea3e77)
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Copyright (c) 2004, Sun Microsystems, Inc.
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When distributing Covered Code, include this CDDL HEADER in each file and include the License file at usr/src/OPENSOLARIS.LICENSE. If applicable, add the following below this CDDL HEADER, with the fields enclosed by brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner]
DDI_REGS_MAP_FREE 9F "Nov 18, 2004"
NAME
ddi_regs_map_free - free a previously mapped register address space
SYNOPSIS

#include <sys/ddi.h>
#include <sys/sunddi.h>



void ddi_regs_map_free(ddi_acc_handle_t *handle);
INTERFACE LEVEL

Solaris DDI specific (Solaris DDI).

PARAMETERS
handle

Pointer to a data access handle previously allocated by a call to a setup routine such as ddi_regs_map_setup(9F).

DESCRIPTION

ddi_regs_map_free() frees the mapping represented by the data access handle handle. This function is provided for drivers preparing to detach themselves from the system, allowing them to release allocated system resources represented in the handle.

CONTEXT

ddi_regs_map_free() must be called from user or kernel context.

ATTRIBUTES

See attributes(5) for descriptions of the following attributes:

ATTRIBUTE TYPE ATTRIBUTE VALUE
Architecture PCI Local Bus, SBus, ISA
SEE ALSO

attributes(5), ddi_regs_map_setup(9F)

Writing Device Drivers