[PATCH] ccw: clarify device reset

On Wed, Oct 13 2021, Jason Wang <> wrote:
> Btw I found the link to S390 Common I/O is broken (at least I can't
> access it from China):
>
> http://publibfp.dhe.ibm.com/cgi-bin/bookmgr/BOOKS/dz9ar501/CCONTENTS

I'm getting 500 as well.

Halil, do you know if this has moved somewhere else? If yes, we need to
update the link.