linux-kernel - Re: [PATCH 27/36] tty: synclinkmp: Mark never checked 'readval' as __always

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Message-ID: <20201105095554.GA3451966@kroah.com>
Date:   Thu, 5 Nov 2020 10:55:54 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Paul Fulghum <paulkf@...rogate.com>
Cc:     Jiri Slaby <jirislaby@...nel.org>,
        Lee Jones <lee.jones@...aro.org>,
        "linux-kernel@...r.kernel.org Mailing List" 
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 27/36] tty: synclinkmp: Mark never checked 'readval' as
 __always_unused

On Thu, Nov 05, 2020 at 01:39:36AM -0800, Paul Fulghum wrote:
> 
> 
> > On Nov 5, 2020, at 1:10 AM, Jiri Slaby <jirislaby@...nel.org> wrote:
> > 
> > OK, let the loop alone. I would bet a half a pig that noone is able to test this driver. But one has to write this for someone to raise and admit they are still using it. In fact, there are _4_ google replies to "Microgate Corporation" "SyncLink Multiport Adapter" "lspci".
> 
> 
> 
> The hardware used with synclink.c and synclinkmp.c has not been manufactured for 15 years and was low volume. The chances of either driver still being in use is very low. Not even Microgate (me) has the ability to test either anymore (no hardware). I don’t know the policy about driver removal, but I think both could be removed without upsetting anyone.
> 
> synclink_gt.c is still in production and the driver still actively used.
> 
> If there are no objections to removing the the old drivers (synclink.c/synclink_mp.c) I could make a patch to do so tomorrow (it is 1:30am here now). Nothing eliminates niggling warnings like removing dead code.

Great, please submit a patch to remove these, I will always take patches
to delete lines :)

thanks,

greg k-h