2013/02/18 0:23, Rafael J. Wysocki wrote:
From: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
Introduce new helper routine acpi_scan_handler_matching() for
checking if the given ACPI scan handler matches a given device ID
and rework acpi_scan_match_handler() to use the new routine (that
routine will also be useful for other purposes in the future).
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
---
Acked-by: Yasuaki Ishimatsu <isimatu.yasuaki@xxxxxxxxxxxxxx>
Thanks,
Yasuaki Ishimatsu
drivers/acpi/scan.c | 30 ++++++++++++++++++++----------
1 file changed, 20 insertions(+), 10 deletions(-)
Index: test/drivers/acpi/scan.c
===================================================================
--- test.orig/drivers/acpi/scan.c
+++ test/drivers/acpi/scan.c
@@ -1658,22 +1658,32 @@ static int acpi_bus_type_and_status(acpi
return 0;
}
+static bool acpi_scan_handler_matching(struct acpi_scan_handler *handler,
+ char *idstr,
+ const struct acpi_device_id **matchid)
+{
+ const struct acpi_device_id *devid;
+
+ for (devid = handler->ids; devid->id[0]; devid++)
+ if (!strcmp((char *)devid->id, idstr)) {
+ if (matchid)
+ *matchid = devid;
+
+ return true;
+ }
+
+ return false;
+}
+
static struct acpi_scan_handler *acpi_scan_match_handler(char *idstr,
const struct acpi_device_id **matchid)
{
struct acpi_scan_handler *handler;
- list_for_each_entry(handler, &acpi_scan_handlers_list, list_node) {
- const struct acpi_device_id *devid;
+ list_for_each_entry(handler, &acpi_scan_handlers_list, list_node)
+ if (acpi_scan_handler_matching(handler, idstr, matchid))
+ return handler;
- for (devid = handler->ids; devid->id[0]; devid++)
- if (!strcmp((char *)devid->id, idstr)) {
- if (matchid)
- *matchid = devid;
-
- return handler;
- }
- }
return NULL;
}
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