ACPICA: New: I/O port protection

Protect certain I/O ports from reads/writes. Provides MS
compatibility. New module, hwvalid.c

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/acpi/acpica/exregion.c b/drivers/acpi/acpica/exregion.c
index 76ec8ff903b8..3a54b737d2da 100644
--- a/drivers/acpi/acpica/exregion.c
+++ b/drivers/acpi/acpica/exregion.c
@@ -294,14 +294,14 @@ acpi_ex_system_io_space_handler(u32 function,
         switch (function) {
         case ACPI_READ:
 
-                status = acpi_os_read_port((acpi_io_address) address,
+                status = acpi_hw_read_port((acpi_io_address) address,
                                            &value32, bit_width);
                 *value = value32;
                 break;
 
         case ACPI_WRITE:
 
-                status = acpi_os_write_port((acpi_io_address) address,
+                status = acpi_hw_write_port((acpi_io_address) address,
                                             (u32) * value, bit_width);
                 break;