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Date:   Thu, 16 Nov 2023 15:21:01 +0000
From:   Mark Brown <broonie@kernel.org>
To:     AceLan Kao <acelan.kao@canonical.com>
Cc:     Tudor Ambarus <tudor.ambarus@linaro.org>,
        Pratyush Yadav <pratyush@kernel.org>,
        Michael Walle <michael@walle.cc>,
        Miquel Raynal <miquel.raynal@bootlin.com>,
        Richard Weinberger <richard@nod.at>,
        Vignesh Raghavendra <vigneshr@ti.com>,
        Mika Westerberg <mika.westerberg@linux.intel.com>,
        Dhruva Gole <d-gole@ti.com>, linux-mtd@lists.infradead.org,
        Kamal Dasu <kamal.dasu@broadcom.com>,
        Jonathan =?iso-8859-1?Q?Neusch=E4fer?= <j.neuschaefer@gmx.net>,
        Mario Kicherer <dev@kicherer.org>,
        Chuanhong Guo <gch981213@gmail.com>,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH v6 1/2] spi: Replace -ENOTSUPP with -EOPNOTSUPP in op
 checking
Message-ID: <401df72f-9255-4da3-b97e-93d3f38d352c@sirena.org.uk>
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On Thu, Nov 16, 2023 at 10:43:37AM +0800, AceLan Kao wrote:

> The purpose of this patch is to distinguish the "operation not support"
> error from the generic "not support", so that drivers could better
> handle different errors.

What is the intended distinction between the two?

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