xref: /illumos-gate/usr/src/man/man9f/ddi_regs_map_free.9f (revision 6446bd46ed1b4e9f69da153665f82181ccaedad5)
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Copyright (c) 2004, Sun Microsystems, Inc.
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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
illumos DDI specific (illumos 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(7) for descriptions of the following attributes:
ATTRIBUTE TYPE ATTRIBUTE VALUE
Architecture PCI Local Bus, SBus, ISA
SEE ALSO
attributes (7), ddi_regs_map_setup (9F)

Writing Device Drivers