usb: cleanup setting udev->removable from port_dev->connect_type
Once usb-acpi has set the port's connect type the usb_device's
->removable attribute can be set in the standard location
set_usb_port_removable().
This also changes behavior in the case where the firmware says that the
port connect type is unknown. In that case just use the default setting
determined from the hub descriptor.
Note, we no longer pass udev->portnum to acpi_find_child_device() in the
root hub case since:
1/ the usb-core sets this to zero
2/ acpi always expects zero
...just pass zero.
Suggested-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 653f80c..2912925 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -2305,6 +2305,22 @@
udev->removable = USB_DEVICE_REMOVABLE;
else
udev->removable = USB_DEVICE_FIXED;
+
+ /*
+ * Platform firmware may have populated an alternative value for
+ * removable. If the parent port has a known connect_type use
+ * that instead.
+ */
+ switch (hub->ports[udev->portnum - 1]->connect_type) {
+ case USB_PORT_CONNECT_TYPE_HOT_PLUG:
+ udev->removable = USB_DEVICE_REMOVABLE;
+ break;
+ case USB_PORT_CONNECT_TYPE_HARD_WIRED:
+ udev->removable = USB_DEVICE_FIXED;
+ break;
+ default: /* use what was set above */
+ break;
+ }
}
/**
@@ -2374,11 +2390,7 @@
device_enable_async_suspend(&udev->dev);
- /*
- * check whether the hub marks this port as non-removable. Do it
- * now so that platform-specific data can override it in
- * device_add()
- */
+ /* check whether the hub or firmware marks this port as non-removable */
if (udev->parent)
set_usb_port_removable(udev);