diff options
Diffstat (limited to 'drivers/acpi/acpica/evregion.c')
| -rw-r--r-- | drivers/acpi/acpica/evregion.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/evregion.c b/drivers/acpi/acpica/evregion.c index 5ee79a1..6717e57 100644 --- a/drivers/acpi/acpica/evregion.c +++ b/drivers/acpi/acpica/evregion.c @@ -127,6 +127,12 @@ acpi_status acpi_ev_initialize_op_regions(void) * DESCRIPTION: Dispatch an address space or operation region access to * a previously installed handler. * + * NOTE: During early initialization, we always install the default region + * handlers for Memory, I/O and PCI_Config. This ensures that these operation + * region address spaces are always available as per the ACPI specification. + * This is especially needed in order to support the execution of + * module-level AML code during loading of the ACPI tables. + * ******************************************************************************/ acpi_status |