ACPICA: Add support for region address conflict checking
Allows drivers to determine if any memory or I/O addresses
will conflict with addresses used by ACPI operation regions.
Introduces a new interface, acpi_check_address_range.
http://marc.info/?t=132251388700002&r=1&w=2
Reported-and-tested-by: Luca Tettamanti <kronos.it@gmail.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/acpi/acpica/utglobal.c b/drivers/acpi/acpica/utglobal.c
index ffba0a3..3cf758b 100644
--- a/drivers/acpi/acpica/utglobal.c
+++ b/drivers/acpi/acpica/utglobal.c
@@ -264,6 +264,12 @@
return_ACPI_STATUS(status);
}
+ /* Address Range lists */
+
+ for (i = 0; i < ACPI_ADDRESS_RANGE_MAX; i++) {
+ acpi_gbl_address_range_list[i] = NULL;
+ }
+
/* Mutex locked flags */
for (i = 0; i < ACPI_NUM_MUTEX; i++) {