ACPI / scan: .match() callback for ACPI scan handlers
Introduce a .match() callback for ACPI scan handlers to allow them to
use more elaborate matching algorithms if necessary. That is needed
for the upcoming PNP scan handler in particular.
This change is based on a Zhang Rui's prototype.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index df6e4c9..e44438f 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -1977,6 +1977,9 @@
{
const struct acpi_device_id *devid;
+ if (handler->match)
+ return handler->match(idstr, matchid);
+
for (devid = handler->ids; devid->id[0]; devid++)
if (!strcmp((char *)devid->id, idstr)) {
if (matchid)