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From: Miquel Raynal <miquel.raynal@bootlin.com>
To: Cheng Ming Lin <linchengming884@gmail.com>
Cc: vigneshr@ti.com,  linux-mtd@lists.infradead.org,
	linux-kernel@vger.kernel.org,  richard@nod.at,
	 alvinzhou@mxic.com.tw, leoyu@mxic.com.tw,
	 Cheng Ming Lin <chengminglin@mxic.com.tw>
Subject: Re: [PATCH 1/2] mtd: spi-nand: Add support for randomizer
Date: Fri, 08 Aug 2025 12:15:30 +0200	[thread overview]
Message-ID: <878qjuazlp.fsf@bootlin.com> (raw)
In-Reply-To: <20250808095503.906244-2-linchengming884@gmail.com> (Cheng Ming Lin's message of "Fri, 8 Aug 2025 17:55:02 +0800")

Hi Cheng Ming,

On 08/08/2025 at 17:55:02 +08, Cheng Ming Lin <linchengming884@gmail.com> wrote:

> From: Cheng Ming Lin <chengminglin@mxic.com.tw>
>
> Add randomizer operation support for user data scrambling.
>
> For more high-reliability concern, if subpage write not available with
> hardware ECC and then to enable randomizer is recommended by default.

Could we adopt a helper that allows to enable and disable the
randomizer?

I have no use case in mind right now, but I feel like it would be a
better approach.

Thanks,
Miquèl

______________________________________________________
Linux MTD discussion mailing list
http://lists.infradead.org/mailman/listinfo/linux-mtd/

WARNING: multiple messages have this Message-ID (diff)
From: Miquel Raynal <miquel.raynal@bootlin.com>
To: Cheng Ming Lin <linchengming884@gmail.com>
Cc: vigneshr@ti.com,  linux-mtd@lists.infradead.org,
	linux-kernel@vger.kernel.org,  richard@nod.at,
	 alvinzhou@mxic.com.tw, leoyu@mxic.com.tw,
	 Cheng Ming Lin <chengminglin@mxic.com.tw>
Subject: Re: [PATCH 1/2] mtd: spi-nand: Add support for randomizer
Date: Fri, 08 Aug 2025 12:15:30 +0200	[thread overview]
Message-ID: <878qjuazlp.fsf@bootlin.com> (raw)
In-Reply-To: <20250808095503.906244-2-linchengming884@gmail.com> (Cheng Ming Lin's message of "Fri, 8 Aug 2025 17:55:02 +0800")

Hi Cheng Ming,

On 08/08/2025 at 17:55:02 +08, Cheng Ming Lin <linchengming884@gmail.com> wrote:

> From: Cheng Ming Lin <chengminglin@mxic.com.tw>
>
> Add randomizer operation support for user data scrambling.
>
> For more high-reliability concern, if subpage write not available with
> hardware ECC and then to enable randomizer is recommended by default.

Could we adopt a helper that allows to enable and disable the
randomizer?

I have no use case in mind right now, but I feel like it would be a
better approach.

Thanks,
Miquèl

  reply	other threads:[~2025-08-08 10:46 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-08-08  9:55 [PATCH 0/2] Add support for randomizer Cheng Ming Lin
2025-08-08  9:55 ` Cheng Ming Lin
2025-08-08  9:55 ` [PATCH 1/2] mtd: spi-nand: " Cheng Ming Lin
2025-08-08  9:55   ` Cheng Ming Lin
2025-08-08 10:15   ` Miquel Raynal [this message]
2025-08-08 10:15     ` Miquel Raynal
2025-08-08 11:35     ` Cheng Ming Lin
2025-08-08 11:35       ` Cheng Ming Lin
2025-08-08  9:55 ` [PATCH 2/2] mtd: spi-nand: macronix: Add randomizer support Cheng Ming Lin
2025-08-08  9:55   ` Cheng Ming Lin
2025-08-08 10:19   ` Miquel Raynal
2025-08-08 10:19     ` Miquel Raynal
2025-08-08 11:49     ` Cheng Ming Lin
2025-08-08 11:49       ` Cheng Ming Lin
2025-08-11  3:01     ` Cheng Ming Lin
2025-08-11  3:01       ` Cheng Ming Lin
2025-08-18  8:47       ` Miquel Raynal
2025-08-18  8:47         ` Miquel Raynal
2025-09-05  1:14         ` Cheng Ming Lin
2025-09-05  1:14           ` Cheng Ming Lin
2025-09-05 14:08           ` Miquel Raynal
2025-09-05 14:08             ` Miquel Raynal

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