2 files changed, 4 insertions, 2 deletions

diff --git a/drivers/acpi/acpica/hwxface.c b/drivers/acpi/acpica/hwxface.c
index ab513a972c95..a716fede4f25 100644
--- a/drivers/acpi/acpica/hwxface.c
+++ b/drivers/acpi/acpica/hwxface.c
@@ -74,7 +74,8 @@ acpi_status acpi_reset(void)
 
         /* Check if the reset register is supported */
 
-        if (!reset_reg->address) {
+        if (!(acpi_gbl_FADT.flags & ACPI_FADT_RESET_REGISTER) ||
+            !reset_reg->address) {
                 return_ACPI_STATUS(AE_NOT_EXIST);
         }
 
diff --git a/drivers/acpi/reboot.c b/drivers/acpi/reboot.c
index c1d612435939..a6c77e8b37bd 100644
--- a/drivers/acpi/reboot.c
+++ b/drivers/acpi/reboot.c
@@ -23,7 +23,8 @@ void acpi_reboot(void)
         /* Is the reset register supported? The spec says we should be
          * checking the bit width and bit offset, but Windows ignores
          * these fields */
-        /* Ignore also acpi_gbl_FADT.flags.ACPI_FADT_RESET_REGISTER */
+        if (!(acpi_gbl_FADT.flags & ACPI_FADT_RESET_REGISTER))
+                return;
 
         reset_value = acpi_gbl_FADT.reset_value;