linux-kernel - Re: [PATCH v2 2/2] mtd: core: Don't fail mtd_otp_nvmem

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Date: Mon, 25 Mar 2024 11:18:52 +0100
From: Miquel Raynal <miquel.raynal@...tlin.com>
To: Aapo Vienamo <aapo.vienamo@...ux.intel.com>,
	mwalle@...nel.org,
	miquel.raynal@...tlin.com,
	richard@....at,
	vigneshr@...com,
	linux-mtd@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Cc: mika.westerberg@...ux.intel.com
Subject: Re: [PATCH v2 2/2] mtd: core: Don't fail mtd_otp_nvmem_add() if OTP is unsupported

On Wed, 2024-03-13 at 17:34:25 UTC, 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@...ux.intel.com>
> Reviewed-by: Mika Westerberg <mika.westerberg@...ux.intel.com>
> Reviewed-by: Michael Walle <mwalle@...nel.org>

Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git mtd/next, thanks.

Miquel