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>,
Pratyush Yadav <p.yadav@ti.com>, Michael Walle <michael@walle.cc>,
<linux-mtd@lists.infradead.org>, Mark Brown <broonie@kernel.org>,
<linux-spi@vger.kernel.org>, Rob Herring <robh+dt@kernel.org>,
<devicetree@vger.kernel.org>,
Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
Xiangsheng Hou <Xiangsheng.Hou@mediatek.com>,
Julien Su <juliensu@mxic.com.tw>,
Jaime Liao <jaimeliao@mxic.com.tw>
Subject: Re: [PATCH v3 17/22] mtd: spinand: Create direct mapping descriptors for ECC operations
Date: Tue, 7 Dec 2021 10:46:27 +0100 [thread overview]
Message-ID: <20211207104627.7bbad94d@collabora.com> (raw)
In-Reply-To: <20211207093422.166934-18-miquel.raynal@bootlin.com>
On Tue, 7 Dec 2021 10:34:17 +0100
Miquel Raynal <miquel.raynal@bootlin.com> wrote:
> /**
> diff --git a/include/linux/spi/spi-mem.h b/include/linux/spi/spi-mem.h
> index 85e2ff7b840d..3be594be24c0 100644
> --- a/include/linux/spi/spi-mem.h
> +++ b/include/linux/spi/spi-mem.h
> @@ -94,6 +94,7 @@ enum spi_mem_data_dir {
> * operation does not involve transferring data
> * @data.buf.in: input buffer (must be DMA-able)
> * @data.buf.out: output buffer (must be DMA-able)
> + * @ecc_en: error correction is required
> */
> struct spi_mem_op {
> struct {
> @@ -126,6 +127,8 @@ struct spi_mem_op {
> const void *out;
> } buf;
> } data;
> +
> + bool ecc_en;
> };
I really think this should be in it's own commit. And you need to make
sure all existing drivers reject operation that have ecc_en set to
true (that shouldn't be too complicated since most of them use generic
helpers to do the check).
next prev parent reply other threads:[~2021-12-07 9:46 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-07 9:34 [PATCH v3 00/22] External ECC engines & Macronix support Miquel Raynal
2021-12-07 9:34 ` [PATCH v3 01/22] dt-bindings: mtd: nand-controller: Fix the reg property description Miquel Raynal
2021-12-07 9:34 ` [PATCH v3 02/22] dt-bindings: mtd: nand-controller: Fix a comment in the examples Miquel Raynal
2021-12-07 9:34 ` [PATCH v3 03/22] dt-bindings: mtd: nand-controller: Harmonize the property types Miquel Raynal
2021-12-14 17:45 ` Rob Herring
2021-12-15 15:50 ` Miquel Raynal
2021-12-07 9:34 ` [PATCH v3 04/22] dt-bindings: mtd: nand-chip: Create a NAND chip description Miquel Raynal
2021-12-07 9:34 ` [PATCH v3 05/22] dt-bindings: mtd: spi-nand: Convert spi-nand description file to yaml Miquel Raynal
2021-12-07 9:34 ` [PATCH v3 06/22] dt-bindings: vendor-prefixes: Clarify Macronix prefix Miquel Raynal
2021-12-07 9:34 ` [PATCH v3 07/22] dt-bindings: spi: mxic: The interrupt property is not mandatory Miquel Raynal
2021-12-07 9:34 ` [PATCH v3 08/22] dt-bindings: spi: mxic: Convert to yaml Miquel Raynal
2021-12-07 9:34 ` [PATCH v3 09/22] dt-bindings: spi: mxic: Document the nand-ecc-engine property Miquel Raynal
2021-12-07 9:34 ` [PATCH v3 10/22] dt-bindings: mtd: Describe Macronix NAND ECC engine Miquel Raynal
2021-12-07 9:34 ` [PATCH v3 11/22] mtd: spinand: macronix: Use random program load Miquel Raynal
2021-12-07 9:34 ` [PATCH v3 12/22] mtd: nand: ecc: Add infrastructure to support hardware engines Miquel Raynal
2021-12-07 9:34 ` [PATCH v3 13/22] mtd: nand: Add a new helper to retrieve the ECC context Miquel Raynal
2021-12-07 9:34 ` [PATCH v3 14/22] mtd: nand: mxic-ecc: Add Macronix external ECC engine support Miquel Raynal
2021-12-07 9:34 ` [PATCH v3 15/22] mtd: nand: mxic-ecc: Support SPI pipelined mode Miquel Raynal
2021-12-07 9:34 ` [PATCH v3 16/22] mtd: spinand: Delay a little bit dirmap creation Miquel Raynal
2021-12-07 9:34 ` [PATCH v3 17/22] mtd: spinand: Create direct mapping descriptors for ECC operations Miquel Raynal
2021-12-07 9:46 ` Boris Brezillon [this message]
2021-12-07 10:53 ` Miquel Raynal
2021-12-07 9:34 ` [PATCH v3 18/22] spi: mxic: Fix the transmit path Miquel Raynal
2021-12-07 9:34 ` [PATCH v3 19/22] spi: mxic: Create a helper to configure the controller before an operation Miquel Raynal
2021-12-07 9:34 ` [PATCH v3 20/22] spi: mxic: Create a helper to ease the start of " Miquel Raynal
2021-12-07 9:34 ` [PATCH v3 21/22] spi: mxic: Add support for direct mapping Miquel Raynal
2021-12-07 9:34 ` [PATCH v3 22/22] spi: mxic: Add support for pipelined ECC operations Miquel Raynal
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