On Fri, Feb 11, 2022 at 01:32:44PM -0600, Mario Limonciello wrote:
USB4 class devices are also removable like Intel Thunderbolt devices.
Spec reference, please.
Drivers of downstream devices use this information to declare functional differences in how the drivers perform by knowing that they are connected to an upstream TBT/USB4 port.
Reviewed-by: Macpaul Lin macpaul.lin@mediatek.com Signed-off-by: Mario Limonciello mario.limonciello@amd.com
drivers/pci/probe.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 2693211d31cf..67ca33188cba 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -1610,6 +1610,7 @@ static void pci_set_removable(struct pci_dev *dev) * exposed as "removable" to userspace. */ if (vsec ||
dev->class == PCI_CLASS_SERIAL_USB_USB4 || pci_acpi_is_usb4(dev) || (parent && (parent->external_facing || dev_is_removable(&parent->dev))))-- 2.34.1