linux-kernel - Re: [PATCH 2/2] hwmon: ina3221: Add enable sysfs nodes

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Message-ID: <20180927183912.GA15719@Asurada-Nvidia.nvidia.com>
Date:   Thu, 27 Sep 2018 11:39:13 -0700
From:   Nicolin Chen <nicoleotsuka@...il.com>
To:     Guenter Roeck <linux@...ck-us.net>
Cc:     jdelvare@...e.com, corbet@....net, afd@...com,
        linux-hwmon@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-doc@...r.kernel.org
Subject: Re: [PATCH 2/2] hwmon: ina3221: Add enable sysfs nodes

Hello Guenter,

On Thu, Sep 27, 2018 at 09:05:09AM -0700, Guenter Roeck wrote:
> > > Point is that I don't _know_ how this is going to be used, so I'd
> > > rather keep it flexible.
> > 
> > Well, taking one step back, I am okay to follow your way if you
> > are really firm about it. Just please give me a more reply and
> > I will merge this change to that v5, dropping the is_visible().
> 
> Quite obviously we are not converging. Given that, I think it
> would be better to shelve the new attributes for now and to wait
> for an actual user who actually needs the new attributes.

I would rather remove the hiding code, if we have to sacrifice
one of them. We both agreed that in[123]_enable is more useful.
And actually we will still keep is_visible() for empty labels.
So even if one day we somehow feel safe to hide a disconnected
channel one day, it'd only need a couple of lines of changes.

I will squash this change into v6, and will send it after I fix
things that Rob pointed out at DT binding.

Thank you
Nicolin