Commit 953ff25f authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Mika Westerberg
Browse files

thunderbolt: Refactor tb_acpi_add_link() 



Convert while loop into do-while with only a single call to
acpi_get_first_physical_node(). No functional change intended.

Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: default avatarMika Westerberg <mika.westerberg@linux.intel.com>
parent d3113761

drivers/thunderbolt/acpi.c

+5 −8
Original line number Diff line number Diff line
@@ -36,16 +36,13 @@ static acpi_status tb_acpi_add_link(acpi_handle handle, u32 level, void *data, 
	 * We need to do this because the xHCI driver might not yet be

	 * bound so the USB3 SuperSpeed ports are not yet created.

	 */

	do {

		dev = acpi_get_first_physical_node(adev);

	while (!dev) {

		adev = acpi_dev_parent(adev);

		if (!adev)

		if (dev)

			break;

		dev = acpi_get_first_physical_node(adev);

	}



	if (!dev)

		goto out_put;

		adev = acpi_dev_parent(adev);

	} while (adev);



	/*

	 * Check that the device is PCIe. This is because USB3