From: Boris Brezillon <boris.brezillon@collabora.com>
To: Miquel Raynal <miquel.raynal@bootlin.com>
Cc: Richard Weinberger <richard@nod.at>,
Vignesh Raghavendra <vigneshr@ti.com>,
Tudor Ambarus <Tudor.Ambarus@microchip.com>,
<linux-mtd@lists.infradead.org>, Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>, <devicetree@vger.kernel.org>
Subject: Re: [RESEND v5 16/21] dt-bindings: mtd: Deprecate the nand-ecc-mode property
Date: Wed, 27 May 2020 01:12:18 +0200 [thread overview]
Message-ID: <20200527011218.3e7a6269@collabora.com> (raw)
In-Reply-To: <20200526195633.11543-17-miquel.raynal@bootlin.com>
On Tue, 26 May 2020 21:56:28 +0200
Miquel Raynal <miquel.raynal@bootlin.com> wrote:
> This property does not describe very well its purpose: it describes
> the ECC engine type, also called provider. Deprecate it in favor of
> nand-ecc-provider. In the mean time, update a bit the description of
> the property to make it more accurate.
>
> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
> ---
> .../devicetree/bindings/mtd/nand-controller.yaml | 15 ++++++++-------
> 1 file changed, 8 insertions(+), 7 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/mtd/nand-controller.yaml b/Documentation/devicetree/bindings/mtd/nand-controller.yaml
> index a35ff8227427..256080ba50bd 100644
> --- a/Documentation/devicetree/bindings/mtd/nand-controller.yaml
> +++ b/Documentation/devicetree/bindings/mtd/nand-controller.yaml
> @@ -46,16 +46,17 @@ patternProperties:
> description:
> Contains the native Ready/Busy IDs.
>
> - nand-ecc-mode:
> + nand-ecc-provider:
> allOf:
> - $ref: /schemas/types.yaml#/definitions/string
> - enum: [ none, soft, hw, on-die ]
^"on-controller" ?
> description:
> - Desired ECC engine, either hardware (most of the time
> - embedded in the NAND controller) or software correction
> - (Linux will handle the calculations). soft_bch is deprecated
> - and should be replaced by soft and nand-ecc-algo.
> - hw_syndrome is deprecated and should be
> + Desired ECC engine provider, either hardware (most of the time
^Preferred ECC engine type, ...
> + embedded in the NAND controller, but can also be external) or
> + software correction (the OS will handle the calculations).
> + The nand-ecc-mode property is deprecated in favor of this one.
> + soft_bch is deprecated and should be replaced by soft and
> + nand-ecc-algo. hw_syndrome is deprecated and should be
> replaced by hw and nand-ecc-placement.
Which you do here, so patch 15 is not needed.
>
> nand-ecc-placement:
> @@ -148,7 +149,7 @@ examples:
>
> nand@0 {
> reg = <0>;
> - nand-ecc-mode = "soft";
> + nand-ecc-provider = "soft";
> nand-ecc-algo = "bch";
>
> /* controller specific properties */
next prev parent reply other threads:[~2020-05-26 23:12 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-26 19:56 [RESEND v5 00/21] Introduce the generic ECC engine abstraction Miquel Raynal
2020-05-26 19:56 ` [RESEND v5 01/21] mtd: Fix typo in mtd_ooblayout_set_databytes() description Miquel Raynal
2020-05-27 14:11 ` Miquel Raynal
2020-05-26 19:56 ` [RESEND v5 02/21] mtd: rawnand: Avoid a typedef Miquel Raynal
2020-05-27 14:11 ` Miquel Raynal
2020-05-26 19:56 ` [RESEND v5 03/21] mtd: rawnand: Drop OOB_FIRST placement scheme Miquel Raynal
2020-05-26 22:46 ` Boris Brezillon
2020-05-27 14:11 ` Miquel Raynal
2020-05-26 19:56 ` [RESEND v5 04/21] dt-bindings: mtd: Deprecate OOB_FIRST mode Miquel Raynal
2020-05-26 22:42 ` Boris Brezillon
2020-05-27 14:11 ` Miquel Raynal
2020-05-26 19:56 ` [RESEND v5 05/21] mtd: rawnand: Return an enum from of_get_nand_ecc_algo() Miquel Raynal
2020-05-26 22:41 ` Boris Brezillon
2020-05-27 14:11 ` Miquel Raynal
2020-05-26 19:56 ` [RESEND v5 06/21] mtd: rawnand: Add an invalid ECC mode to discriminate with valid ones Miquel Raynal
2020-05-27 14:11 ` Miquel Raynal
2020-05-26 19:56 ` [RESEND v5 07/21] mtd: rawnand: Create a new enumeration to describe OOB placement Miquel Raynal
2020-05-26 22:39 ` Boris Brezillon
2020-05-27 8:00 ` Miquel Raynal
2020-05-27 8:22 ` Boris Brezillon
2020-05-26 19:56 ` [RESEND v5 08/21] mtd: rawnand: Separate the ECC engine type and the " Miquel Raynal
2020-05-26 19:56 ` [RESEND v5 09/21] mtd: rawnand: Create a new enumeration to describe properly ECC types Miquel Raynal
2020-05-26 22:55 ` Boris Brezillon
2020-05-26 23:21 ` Boris Brezillon
2020-05-27 8:21 ` Miquel Raynal
2020-05-26 22:59 ` Boris Brezillon
2020-05-27 8:33 ` Miquel Raynal
2020-05-27 8:44 ` Boris Brezillon
2020-05-27 8:50 ` Boris Brezillon
2020-05-26 19:56 ` [RESEND v5 10/21] mtd: rawnand: Create a helper to retrieve the ECC placement Miquel Raynal
2020-05-26 19:56 ` [RESEND v5 11/21] mtd: rawnand: Use the new ECC engine type enumeration Miquel Raynal
2020-05-26 19:56 ` [RESEND v5 12/21] mtd: rawnand: Deprecate nand-ecc-mode in favor of nand-ecc-provider Miquel Raynal
2020-05-26 23:03 ` Boris Brezillon
2020-05-27 8:42 ` Miquel Raynal
2020-05-26 19:56 ` [RESEND v5 13/21] mtd: rawnand: Drop the legacy ECC type enumeration Miquel Raynal
2020-05-26 19:56 ` [RESEND v5 14/21] dt-bindings: mtd: Add the nand-ecc-placement property Miquel Raynal
2020-05-26 23:08 ` Boris Brezillon
2020-05-26 23:10 ` Rob Herring
2020-05-26 19:56 ` [RESEND v5 15/21] dt-bindings: mtd: Deprecate hw_syndrome from the ECC modes Miquel Raynal
2020-05-26 23:09 ` Boris Brezillon
2020-05-26 19:56 ` [RESEND v5 16/21] dt-bindings: mtd: Deprecate the nand-ecc-mode property Miquel Raynal
2020-05-26 23:12 ` Boris Brezillon [this message]
2020-05-26 19:56 ` [RESEND v5 17/21] mtd: nand: Move nand_device forward declaration to the top Miquel Raynal
2020-05-26 19:56 ` [RESEND v5 18/21] mtd: nand: Add an extra level in the Kconfig hierarchy Miquel Raynal
2020-05-26 19:56 ` [RESEND v5 19/21] mtd: nand: Drop useless 'depends on' in Kconfig Miquel Raynal
2020-05-26 19:56 ` [RESEND v5 20/21] mtd: nand: Add a NAND page I/O request type Miquel Raynal
2020-05-26 19:56 ` [RESEND v5 21/21] mtd: nand: Rename a core structure Miquel Raynal
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