Commit f4d2e2d8 authored by Len Brown's avatar Len Brown

ACPI: update comments in motherboard.c

Signed-off-by: default avatarLen Brown <len.brown@intel.com>
parent 168a328f
...@@ -48,6 +48,12 @@ ACPI_MODULE_NAME("acpi_motherboard") ...@@ -48,6 +48,12 @@ ACPI_MODULE_NAME("acpi_motherboard")
* the io ports if they really know they can use it, while * the io ports if they really know they can use it, while
* still preventing hotplug PCI devices from using it. * 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) static acpi_status acpi_reserve_io_ranges(struct acpi_resource *res, void *data)
{ {
struct resource *requested_res = NULL; struct resource *requested_res = NULL;
......
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