.clear_stall

From: Kamal R. Prasad <kamalpr_at_gmail.com>
Date: Wed, 13 Apr 2022 06:58:46 UTC
hello,

 my xhci driver keeps getting calls from the kernel to the
.clear_stall interface defined in
http://fxr.watson.org/fxr/source/dev/usb/controller/xhci.c?im=10#L4365

 4365         .clear_stall = xhci_ep_clear_stall,

Can someone tell me why this interface gets called?

thanks
-kamal