usb: hub: rename khubd to hub_wq in documentation and comments
USB hub has started to use a workqueue instead of kthread. Let's update
the documentation and comments here and there.
This patch mostly just replaces "khubd" with "hub_wq". There are only few
exceptions where the whole sentence was updated. These more complicated
changes can be found in the following files:
Documentation/usb/hotplug.txt
drivers/net/usb/usbnet.c
drivers/usb/core/hcd.c
drivers/usb/host/ohci-hcd.c
drivers/usb/host/xhci.c
Signed-off-by: Petr Mladek <pmladek@suse.cz>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/Documentation/usb/hotplug.txt b/Documentation/usb/hotplug.txt
index a80b0e9..5b243f3 100644
--- a/Documentation/usb/hotplug.txt
+++ b/Documentation/usb/hotplug.txt
@@ -58,7 +58,7 @@
The USB subsystem currently invokes /sbin/hotplug when USB devices
are added or removed from system. The invocation is done by the kernel
-hub daemon thread [khubd], or else as part of root hub initialization
+hub workqueue [hub_wq], or else as part of root hub initialization
(done by init, modprobe, kapmd, etc). Its single command line parameter
is the string "usb", and it passes these environment variables: