Commit 61a3c78d authored by Rafael J. Wysocki's avatar Rafael J. Wysocki
Browse files

ACPI: glue: Use acpi_device_adr() in acpi_find_child_device() 



Instead of evaluating _ADR in acpi_find_child_device(), use the
observation that it has already been evaluated and the value returned
by it has been stored in the pnp.type.bus_address field of the ACPI
device object at hand.

Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent 87440d70

drivers/acpi/glue.c

+2 −5
Original line number Diff line number Diff line
@@ -113,13 +113,10 @@ struct acpi_device *acpi_find_child_device(struct acpi_device *parent, 
		return NULL;



	list_for_each_entry(adev, &parent->children, node) {

		unsigned long long addr;

		acpi_status status;

		acpi_bus_address addr = acpi_device_adr(adev);

		int score;



		status = acpi_evaluate_integer(adev->handle, METHOD_NAME__ADR,

					       NULL, &addr);

		if (ACPI_FAILURE(status) || addr != address)

		if (!adev->pnp.type.bus_address || addr != address)

			continue;



		if (!ret) {