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Date: Mon, 18 Mar 2024 15:07:13 +0100
Message-Id: <CZWXNB1U9VWE.G9CWTCUO3ZY3@kernel.org>
To: "Aapo Vienamo" <aapo.vienamo@linux.intel.com>,
 <miquel.raynal@bootlin.com>, <richard@nod.at>, <vigneshr@ti.com>,
 <linux-mtd@lists.infradead.org>, <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2 2/2] mtd: core: Don't fail mtd_otp_nvmem_add() if OTP
 is unsupported
Cc: <mika.westerberg@linux.intel.com>
From: "Michael Walle" <mwalle@kernel.org>
References: <20240313173425.1325790-1-aapo.vienamo@linux.intel.com>
 <20240313173425.1325790-3-aapo.vienamo@linux.intel.com>
In-Reply-To: <20240313173425.1325790-3-aapo.vienamo@linux.intel.com>
Precedence: bulk

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On Wed Mar 13, 2024 at 6:34 PM CET, Aapo Vienamo wrote:
> Handle the case where -EOPNOTSUPP is returned from OTP driver.
>
> This addresses an issue that occurs with the Intel SPI flash controller,
> which has a limited supported opcode set. Whilst the OTP functionality
> is not available due to this restriction, other parts of the MTD
> functionality of the device are intact. This change allows the driver
> to gracefully handle the restriction by allowing the supported
> functionality to remain available instead of failing the probe
> altogether.
>
> Signed-off-by: Aapo Vienamo <aapo.vienamo@linux.intel.com>
> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>

Reviewed-by: Michael Walle <mwalle@kernel.org>

-michael

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