From: "Rob Herring (Arm)" <robh@kernel.org>
To: Cheng Ming Lin <linchengming884@gmail.com>
Cc: conor+dt@kernel.org, richard@nod.at,
linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org,
alvinzhou@mxic.com.tw, devicetree@vger.kernel.org,
miquel.raynal@bootlin.com, krzk+dt@kernel.org,
Cheng Ming Lin <chengminglin@mxic.com.tw>,
vigneshr@ti.com
Subject: Re: [PATCH v10 1/3] dt-bindings: mtd: nand: Add nand-randomizer property
Date: Wed, 6 May 2026 17:19:54 -0500 [thread overview]
Message-ID: <177810599339.3410044.3676671440442113308.robh@kernel.org> (raw)
In-Reply-To: <20260505013453.980249-2-linchengming884@gmail.com>
On Tue, 05 May 2026 09:34:51 +0800, Cheng Ming Lin wrote:
> From: Cheng Ming Lin <chengminglin@mxic.com.tw>
>
> Add the 'nand-randomizer' property to control the data randomizer
> feature. This is used to improve data reliability by reducing
> cell-to-cell interference.
>
> Depending on the hardware architecture, this property is designed to be
> generic and can apply to either the NAND chip's internal randomizer
> or the hardware randomizer engine embedded in the NAND host controller.
>
> This property is defined as a uint32 enum (0 or 1) instead of a simple
> boolean. This design choice explicitly supports the "not present" case.
> If the property is omitted, the driver will not interfere and will leave
> the randomizer in its current state (e.g., as already configured by the
> bootloader or hardware default).
>
> Signed-off-by: Cheng Ming Lin <chengminglin@mxic.com.tw>
> ---
> Documentation/devicetree/bindings/mtd/nand-chip.yaml | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
next prev parent reply other threads:[~2026-05-06 22:19 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-05 1:34 [PATCH v10 0/3] mtd: spi-nand: Add support for randomizer feature Cheng Ming Lin
2026-05-05 1:34 ` [PATCH v10 1/3] dt-bindings: mtd: nand: Add nand-randomizer property Cheng Ming Lin
2026-05-06 22:19 ` Rob Herring (Arm) [this message]
2026-05-05 1:34 ` [PATCH v10 2/3] mtd: spi-nand: Add support for randomizer Cheng Ming Lin
2026-05-05 1:34 ` [PATCH v10 3/3] mtd: spi-nand: macronix: Enable randomizer support Cheng Ming Lin
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