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From: Miquel Raynal <miquel.raynal@bootlin.com>
To: Mason Yang <masonccyang@mxic.com.tw>
Cc: mark.rutland@arm.com, devicetree@vger.kernel.org,
	vigneshr@ti.com, juliensu@mxic.com.tw, richard@nod.at,
	yuehaibing@huawei.com, linux-kernel@vger.kernel.org,
	frieder.schrempf@kontron.de, robh+dt@kernel.org,
	linux-mtd@lists.infradead.org, tglx@linutronix.de,
	allison@lohutok.net
Subject: Re: [PATCH v5 2/2] dt-bindings: mtd: Document Macronix NAND device bindings
Date: Wed, 11 Mar 2020 08:45:41 +0100	[thread overview]
Message-ID: <20200311084541.28ff4829@xps13> (raw)
In-Reply-To: <1581922600-25461-3-git-send-email-masonccyang@mxic.com.tw>

Hi Mason,

Mason Yang <masonccyang@mxic.com.tw> wrote on Mon, 17 Feb 2020 14:56:40
+0800:

> Document the bindings used by the Macronix NAND device.
> 
> Signed-off-by: Mason Yang <masonccyang@mxic.com.tw>
> Reviewed-by: Rob Herring <robh@kernel.org>
> ---
>  .../devicetree/bindings/mtd/nand-macronix.txt      | 28 ++++++++++++++++++++++
>  1 file changed, 28 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/mtd/nand-macronix.txt
> 
> diff --git a/Documentation/devicetree/bindings/mtd/nand-macronix.txt b/Documentation/devicetree/bindings/mtd/nand-macronix.txt
> new file mode 100644
> index 0000000..1d7a895
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mtd/nand-macronix.txt
> @@ -0,0 +1,28 @@
> +Macronix NANDs Device Tree Bindings
> +-----------------------------------
> +
> +Macronix NANDs support randomizer operation for user data scrambled,
> +which can be enabled with a SET_FEATURE. The penalty of randomizer are
> +subpage accesses prohibited and more time period is needed in program
> +operation, i.e., tPROG 300us to 340us(randomizer enabled).
> +Randomizer enabled is a one time persistent and non reversible operatoin.
> +
> +For more high-reliability concern, if subpage write not available with
> +hardware ECC and filesystem and then to enable randomizer is recommended
> +by default.
> +
> +By adding a new specific property in children nodes to enable
> +randomizer function.

I also reworded slightly this text when applying.


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: Mason Yang <masonccyang@mxic.com.tw>
Cc: richard@nod.at, vigneshr@ti.com, robh+dt@kernel.org,
	mark.rutland@arm.com, devicetree@vger.kernel.org,
	tglx@linutronix.de, juliensu@mxic.com.tw,
	frieder.schrempf@kontron.de, allison@lohutok.net,
	linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org,
	yuehaibing@huawei.com
Subject: Re: [PATCH v5 2/2] dt-bindings: mtd: Document Macronix NAND device bindings
Date: Wed, 11 Mar 2020 08:45:41 +0100	[thread overview]
Message-ID: <20200311084541.28ff4829@xps13> (raw)
In-Reply-To: <1581922600-25461-3-git-send-email-masonccyang@mxic.com.tw>

Hi Mason,

Mason Yang <masonccyang@mxic.com.tw> wrote on Mon, 17 Feb 2020 14:56:40
+0800:

> Document the bindings used by the Macronix NAND device.
> 
> Signed-off-by: Mason Yang <masonccyang@mxic.com.tw>
> Reviewed-by: Rob Herring <robh@kernel.org>
> ---
>  .../devicetree/bindings/mtd/nand-macronix.txt      | 28 ++++++++++++++++++++++
>  1 file changed, 28 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/mtd/nand-macronix.txt
> 
> diff --git a/Documentation/devicetree/bindings/mtd/nand-macronix.txt b/Documentation/devicetree/bindings/mtd/nand-macronix.txt
> new file mode 100644
> index 0000000..1d7a895
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mtd/nand-macronix.txt
> @@ -0,0 +1,28 @@
> +Macronix NANDs Device Tree Bindings
> +-----------------------------------
> +
> +Macronix NANDs support randomizer operation for user data scrambled,
> +which can be enabled with a SET_FEATURE. The penalty of randomizer are
> +subpage accesses prohibited and more time period is needed in program
> +operation, i.e., tPROG 300us to 340us(randomizer enabled).
> +Randomizer enabled is a one time persistent and non reversible operatoin.
> +
> +For more high-reliability concern, if subpage write not available with
> +hardware ECC and filesystem and then to enable randomizer is recommended
> +by default.
> +
> +By adding a new specific property in children nodes to enable
> +randomizer function.

I also reworded slightly this text when applying.


Thanks,
Miquèl

  parent reply	other threads:[~2020-03-11  7:46 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-17  6:56 [PATCH v5 0/2] mtd: rawnand: Add support for Macronix NAND randomizer Mason Yang
2020-02-17  6:56 ` Mason Yang
2020-02-17  6:56 ` [PATCH v5 1/2] " Mason Yang
2020-02-17  6:56   ` Mason Yang
2020-03-10 18:32   ` Miquel Raynal
2020-03-10 18:32     ` Miquel Raynal
2020-02-17  6:56 ` [PATCH v5 2/2] dt-bindings: mtd: Document Macronix NAND device bindings Mason Yang
2020-02-17  6:56   ` Mason Yang
2020-03-10 18:31   ` Miquel Raynal
2020-03-10 18:31     ` Miquel Raynal
2020-03-11  7:45   ` Miquel Raynal [this message]
2020-03-11  7:45     ` Miquel Raynal
2020-03-12  1:55     ` masonccyang
2020-03-12  1:55       ` masonccyang

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