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Date:   Thu, 23 Sep 2021 08:42:44 +0200
From:   Boris Brezillon <boris.brezillon@collabora.com>
To:     CGEL <cgel.zte@gmail.com>
Cc:     Miquel Raynal <miquel.raynal@bootlin.com>,
        Richard Weinberger <richard@nod.at>,
        Vignesh Raghavendra <vigneshr@ti.com>,
        Patrice Chotard <patrice.chotard@foss.st.com>,
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        Mark Brown <broonie@kernel.org>,
        Daniel Palmer <daniel@0x0f.com>,
        Alexander Lobakin <alobakin@pm.me>,
        linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org,
        Ren Xiaohui <ren.xiaohui@zte.com.cn>
Subject: Re: [PATCH] mtd: spinand: add merge-two-spinand function
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In-Reply-To: <20210923015241.248910-1-ren.xiaohui@zte.com.cn>
References: <20210923015241.248910-1-ren.xiaohui@zte.com.cn>
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On Thu, 23 Sep 2021 01:52:41 +0000
CGEL <cgel.zte@gmail.com> wrote:

> From: Ren Xiaohui <ren.xiaohui@zte.com.cn>
> 
> Combine the two SPI NAND flash in the MTD layer

Just had a quick look, but it looks like you're re-implementing
mtdconcat. Maybe you should just extend mtdconcat to cover your use
cases.