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>

2 files changed, 5 insertions, 7 deletions

diff --git a/include/acpi/acpiosxf.h b/include/acpi/acpiosxf.h
index 83062ed0ef2f..2fe8639b3ae7 100644
--- a/include/acpi/acpiosxf.h
+++ b/include/acpi/acpiosxf.h
@@ -238,13 +238,6 @@ acpi_os_write_pci_configuration(struct acpi_pci_id *pci_id,
 /*
  * Miscellaneous
  */
-acpi_status
-acpi_os_validate_address(u8 space_id, acpi_physical_address address,
-                         acpi_size length, char *name);
-acpi_status
-acpi_os_invalidate_address(u8 space_id, acpi_physical_address address,
-                         acpi_size length);
-
 u64 acpi_os_get_timer(void);
 
 acpi_status acpi_os_signal(u32 function, void *info);
diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h
index 30f5bef4f14d..a4cfded67c08 100644
--- a/include/acpi/acpixf.h
+++ b/include/acpi/acpixf.h
@@ -112,6 +112,11 @@ acpi_status acpi_install_interface(acpi_string interface_name);
 
 acpi_status acpi_remove_interface(acpi_string interface_name);
 
+u32
+acpi_check_address_range(acpi_adr_space_type space_id,
+                         acpi_physical_address address,
+                         acpi_size length, u8 warn);
+
 /*
  * ACPI Memory management
  */