netdev - Re: [RFC PATCH 1/2] Kconfig: Introduce "uses" keyword

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Date:   Fri, 17 Apr 2020 17:01:18 +0300
From:   Jani Nikula <jani.nikula@...ux.intel.com>
To:     Jason Gunthorpe <jgg@...pe.ca>
Cc:     Saeed Mahameed <saeedm@...lanox.com>,
        Masahiro Yamada <masahiroy@...nel.org>,
        linux-kbuild@...r.kernel.org, Arnd Bergmann <arnd@...db.de>,
        Nicolas Pitre <nico@...xnic.net>, narmstrong@...libre.com,
        Laurent.pinchart@...asonboard.com, leon@...nel.org,
        kieran.bingham+renesas@...asonboard.com, jonas@...boo.se,
        airlied@...ux.ie, jernej.skrabec@...l.net,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        linux-rdma@...r.kernel.org, Andrzej Hajda <a.hajda@...sung.com>
Subject: Re: [RFC PATCH 1/2] Kconfig: Introduce "uses" keyword

On Fri, 17 Apr 2020, Jason Gunthorpe <jgg@...pe.ca> wrote:
> On Fri, Apr 17, 2020 at 09:23:59AM +0300, Jani Nikula wrote:
>
>> Which means that would have to split up to two. Not ideal, but
>> doable.
>
> Why is this not ideal?
>
> I think the one per line is easier to maintain (eg for merge
> conflicts) and easier to read than a giant && expression.
>
> I would not complicate things further by extending the boolean
> language..

Fair enough. I only found one instance where the patch at hand does not
cut it:

drivers/hwmon/Kconfig:  depends on !OF || IIO=n || IIO

That can of course be left as it is.

As to the bikeshedding topic, I think I'm now leaning towards Andrzej's
suggestion:

	optionally depends on FOO

in [1]. But I reserve my right to change my mind. ;)

BR,
Jani.


[1] http://lore.kernel.org/r/01f964ae-9c32-7531-1f07-2687616b6a71@samsung.com

-- 
Jani Nikula, Intel Open Source Graphics Center