From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9AABB31714B; Wed, 6 May 2026 22:19:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778105996; cv=none; b=coCF4f4iSAsQoexCbUzonkYxujLP2NFlfuT70LTdjcyO5kGkifmvW3AfFN1uHr3pVURzGJPplPX0SeVhXbxH+ZoBoLluAsGyN6XgBfDlbQyKDAA2/eGMTWNXzvURgJXIk54mtwRiZGqU2ZDuSiIbgB7oQLXJBiFduyT6kHLBKJ8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778105996; c=relaxed/simple; bh=/+CKgoeuypQEaB7jyv2Zm3OW8jOi1NyTKSfrDXFqRhI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Ks2gsL0xMOK+sqKVpxHDmhRuF/+Ter+Q6BFYd3tqZUGP75sVQwIWHKaIbOJEfoj6SAfmuf0u39wqSe+UbFh8kYxZ9NSQD9DK+XY4qsK7wwAKOlSGalSaBAH4upFVINqsbp7um0RP00CRt66zdRywyHpZ60UvpBlJgyA1wKBvIGY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=EpSWsfc5; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="EpSWsfc5" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 13E8AC2BCB0; Wed, 6 May 2026 22:19:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1778105996; bh=/+CKgoeuypQEaB7jyv2Zm3OW8jOi1NyTKSfrDXFqRhI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=EpSWsfc56Yj3uwb8u81FnIIC3/JdJ62h+fG/xSsxTuCfW/N7DssJcmHwyKyPcTTX3 CKON33G7l/otFmsXbqc9bWkoAL8U9g2je5zrzrAlhd+QY/W6ban9Nv2EUR4LmRjcJ5 UJLH4SD299tBu5o45uhAGc4+Cs/FcpJbElOA4mLeWiMUnXXCC0jzHYL7xQKp85qKqQ e3r89avbtzCqaI1RDGHg7tG3OGAc5FL/ZVdGLJcpfZ40VLFIJsM38JQKesGmOZpmXe RlupeC/briU7sP08A6Zn3qVh3TRXaHC2X5NS8mcT0H3Ke9RXzGzZg689DvhJtz31Bs t/K7HnJ3qJSNQ== Date: Wed, 6 May 2026 17:19:54 -0500 From: "Rob Herring (Arm)" To: Cheng Ming Lin 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 , vigneshr@ti.com Subject: Re: [PATCH v10 1/3] dt-bindings: mtd: nand: Add nand-randomizer property Message-ID: <177810599339.3410044.3676671440442113308.robh@kernel.org> References: <20260505013453.980249-1-linchengming884@gmail.com> <20260505013453.980249-2-linchengming884@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline 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 > > 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 > --- > Documentation/devicetree/bindings/mtd/nand-chip.yaml | 9 +++++++++ > 1 file changed, 9 insertions(+) > Reviewed-by: Rob Herring (Arm)