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thunderbolt: Refactor tb_acpi_add_link()

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

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
This commit is contained in:
Andy Shevchenko 2023-01-02 21:24:04 +02:00 committed by Mika Westerberg
parent d311376197
commit 953ff25fc9
1 changed files with 5 additions and 8 deletions
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13
drivers/thunderbolt/acpi.c
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@ -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.
*/
dev = acpi_get_first_physical_node(adev);
while (!dev) {
adev = acpi_dev_parent(adev);
if (!adev)
break;
do {
dev = acpi_get_first_physical_node(adev);
}
if (dev)
break;
if (!dev)
goto out_put;
adev = acpi_dev_parent(adev);
} while (adev);
/*
* Check that the device is PCIe. This is because USB3