diff options
| -rw-r--r-- | drivers/acpi/motherboard.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/acpi/motherboard.c b/drivers/acpi/motherboard.c index ec6b7f9ede3..2e17ec75af0 100644 --- a/drivers/acpi/motherboard.c +++ b/drivers/acpi/motherboard.c @@ -48,6 +48,12 @@ ACPI_MODULE_NAME("acpi_motherboard") * the io ports if they really know they can use it, while * still preventing hotplug PCI devices from using it. */ + +/* + * When CONFIG_PNP is enabled, pnp/system.c binds to PNP0C01 + * and PNP0C02, redundant with acpi_reserve_io_ranges(). + * But acpi_reserve_io_ranges() is necessary for !CONFIG_PNP. + */ static acpi_status acpi_reserve_io_ranges(struct acpi_resource *res, void *data) { struct resource *requested_res = NULL; |