linux-kernel - Re: [PATCH 1/4] regmap: sdw: move to -EOPNOTSUPP

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Date:   Wed, 26 Aug 2020 18:25:16 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
Cc:     Takashi Iwai <tiwai@...e.de>,
        Guennadi Liakhovetski <guennadi.liakhovetski@...ux.intel.com>,
        alsa-devel@...a-project.org,
        Kai Vehmanen <kai.vehmanen@...ux.intel.com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org,
        Hui Wang <hui.wang@...onical.com>, vkoul@...nel.org,
        srinivas.kandagatla@...aro.org,
        Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>,
        jank@...ence.com, slawomir.blauciak@...el.com,
        Bard liao <yung-chuan.liao@...ux.intel.com>,
        Rander Wang <rander.wang@...ux.intel.com>
Subject: Re: [PATCH 1/4] regmap: sdw: move to -EOPNOTSUPP

On Wed, Aug 26, 2020 at 10:05:50AM -0500, Pierre-Louis Bossart wrote:

> I assumed this change to -EOPNOTSUPP reflected a consensus in kernel-land,
> it's obviously not the case. This patch was supposed to be a trivial
> clean-up...

No, it's just some random guy sent a patch.  They've not made any
perceptible effort to interact with any of the existing users.

> So to be clear, what is the direction for existing code
> a) keep -ENOTSUPP as is?
> b) move to -EOPNOTSUPP?

> And what is the preference for new code?

If you want to change this you'd need to change it over the whole
subsystem (if not other subsystems), including the places where the
value is used.

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