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authorLin Ming <ming.m.lin@intel.com>2012-01-12 13:10:32 +0800
committerLen Brown <len.brown@intel.com>2012-01-17 03:38:50 -0500
commitf654c0fefa8c16d439185b61442710fadc167e78 (patch)
treef6a375f7404e6a76f6eb24cc7d639f32b6789c7d /drivers/acpi/acpica/utglobal.c
parentecafe6faa294697305453b5a6af7760b94622787 (diff)
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>
Diffstat (limited to 'drivers/acpi/acpica/utglobal.c')
-rw-r--r--drivers/acpi/acpica/utglobal.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/utglobal.c b/drivers/acpi/acpica/utglobal.c
index ffba0a39c3e8..3cf758bab242 100644
--- a/drivers/acpi/acpica/utglobal.c
+++ b/drivers/acpi/acpica/utglobal.c
@@ -264,6 +264,12 @@ acpi_status acpi_ut_init_globals(void)
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++) {