From: Miquel Raynal <miquel.raynal@bootlin.com> To: Richard Weinberger <richard@nod.at>, Vignesh Raghavendra <vigneshr@ti.com>, Tudor Ambarus <Tudor.Ambarus@microchip.com> Cc: Tudor Ambarus <tudor.ambarus@microchip.com>, Julien Su <juliensu@mxic.com.tw>, Schrempf Frieder <frieder.schrempf@kontron.de>, Paul Cercueil <paul@crapouillou.net>, Boris Brezillon <boris.brezillon@collabora.com>, linux-mtd@lists.infradead.org, Thomas Petazzoni <thomas.petazzoni@bootlin.com>, Miquel Raynal <miquel.raynal@bootlin.com>, Mason Yang <masonccyang@mxic.com.tw>, Chuanhong Guo <gch981213@gmail.com>, linux-arm-kernel@lists.infradead.org Subject: [PATCH v5 06/21] mtd: rawnand: Add an invalid ECC mode to discriminate with valid ones Date: Thu, 14 May 2020 19:16:36 +0200 [thread overview] Message-ID: <20200514171651.24851-7-miquel.raynal@bootlin.com> (raw) In-Reply-To: <20200514171651.24851-1-miquel.raynal@bootlin.com> NAND ECC modes (or providers) have their own enumeration but, unlike their algorithms counterpart, there is no invalid or uninitialized value to discriminate between an error and having chosen a no-ECC situation. Add an "invalid" entry for this purpose. Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com> --- drivers/mtd/nand/raw/nand_base.c | 2 +- include/linux/mtd/rawnand.h | 1 + 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c index e4296b67adbc..c407fd15ad46 100644 --- a/drivers/mtd/nand/raw/nand_base.c +++ b/drivers/mtd/nand/raw/nand_base.c @@ -4976,7 +4976,7 @@ static int of_get_nand_ecc_mode(struct device_node *np) if (err < 0) return err; - for (i = 0; i < ARRAY_SIZE(nand_ecc_modes); i++) + for (i = NAND_ECC_NONE; i < ARRAY_SIZE(nand_ecc_modes); i++) if (!strcasecmp(pm, nand_ecc_modes[i])) return i; diff --git a/include/linux/mtd/rawnand.h b/include/linux/mtd/rawnand.h index bc7c7d9adae9..4e0c75b1abc2 100644 --- a/include/linux/mtd/rawnand.h +++ b/include/linux/mtd/rawnand.h @@ -84,6 +84,7 @@ struct nand_chip; * Constants for ECC_MODES */ enum nand_ecc_mode { + NAND_ECC_INVALID, NAND_ECC_NONE, NAND_ECC_SOFT, NAND_ECC_HW, -- 2.20.1 ______________________________________________________ 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: Richard Weinberger <richard@nod.at>, Vignesh Raghavendra <vigneshr@ti.com>, Tudor Ambarus <Tudor.Ambarus@microchip.com> Cc: Tudor Ambarus <tudor.ambarus@microchip.com>, Julien Su <juliensu@mxic.com.tw>, Schrempf Frieder <frieder.schrempf@kontron.de>, Paul Cercueil <paul@crapouillou.net>, Boris Brezillon <boris.brezillon@collabora.com>, linux-mtd@lists.infradead.org, Thomas Petazzoni <thomas.petazzoni@bootlin.com>, Miquel Raynal <miquel.raynal@bootlin.com>, Mason Yang <masonccyang@mxic.com.tw>, Chuanhong Guo <gch981213@gmail.com>, linux-arm-kernel@lists.infradead.org Subject: [PATCH v5 06/21] mtd: rawnand: Add an invalid ECC mode to discriminate with valid ones Date: Thu, 14 May 2020 19:16:36 +0200 [thread overview] Message-ID: <20200514171651.24851-7-miquel.raynal@bootlin.com> (raw) In-Reply-To: <20200514171651.24851-1-miquel.raynal@bootlin.com> NAND ECC modes (or providers) have their own enumeration but, unlike their algorithms counterpart, there is no invalid or uninitialized value to discriminate between an error and having chosen a no-ECC situation. Add an "invalid" entry for this purpose. Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com> --- drivers/mtd/nand/raw/nand_base.c | 2 +- include/linux/mtd/rawnand.h | 1 + 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c index e4296b67adbc..c407fd15ad46 100644 --- a/drivers/mtd/nand/raw/nand_base.c +++ b/drivers/mtd/nand/raw/nand_base.c @@ -4976,7 +4976,7 @@ static int of_get_nand_ecc_mode(struct device_node *np) if (err < 0) return err; - for (i = 0; i < ARRAY_SIZE(nand_ecc_modes); i++) + for (i = NAND_ECC_NONE; i < ARRAY_SIZE(nand_ecc_modes); i++) if (!strcasecmp(pm, nand_ecc_modes[i])) return i; diff --git a/include/linux/mtd/rawnand.h b/include/linux/mtd/rawnand.h index bc7c7d9adae9..4e0c75b1abc2 100644 --- a/include/linux/mtd/rawnand.h +++ b/include/linux/mtd/rawnand.h @@ -84,6 +84,7 @@ struct nand_chip; * Constants for ECC_MODES */ enum nand_ecc_mode { + NAND_ECC_INVALID, NAND_ECC_NONE, NAND_ECC_SOFT, NAND_ECC_HW, -- 2.20.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2020-05-14 17:22 UTC|newest] Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-05-14 17:16 [PATCH v5 00/21] Prepare the introduction of generic ECC engines Miquel Raynal 2020-05-14 17:16 ` Miquel Raynal 2020-05-14 17:16 ` [PATCH v5 01/21] mtd: Fix typo in mtd_ooblayout_set_databytes() description Miquel Raynal 2020-05-14 17:16 ` Miquel Raynal 2020-05-14 17:16 ` [PATCH v5 02/21] mtd: rawnand: Avoid a typedef Miquel Raynal 2020-05-14 17:16 ` Miquel Raynal 2020-05-14 17:16 ` [PATCH v5 03/21] mtd: rawnand: Drop OOB_FIRST placement scheme Miquel Raynal 2020-05-14 17:16 ` Miquel Raynal 2020-05-14 17:16 ` [PATCH v5 04/21] dt-bindings: mtd: Deprecate OOB_FIRST mode Miquel Raynal 2020-05-14 17:16 ` Miquel Raynal 2020-05-14 17:16 ` [PATCH v5 05/21] mtd: rawnand: Return an enum from of_get_nand_ecc_algo() Miquel Raynal 2020-05-14 17:16 ` Miquel Raynal 2020-05-14 17:16 ` Miquel Raynal [this message] 2020-05-14 17:16 ` [PATCH v5 06/21] mtd: rawnand: Add an invalid ECC mode to discriminate with valid ones Miquel Raynal 2020-05-14 17:16 ` [PATCH v5 07/21] mtd: rawnand: Create a new enumeration to describe OOB placement Miquel Raynal 2020-05-14 17:16 ` Miquel Raynal 2020-05-14 17:16 ` [PATCH v5 08/21] mtd: rawnand: Separate the ECC engine type and the " Miquel Raynal 2020-05-14 17:16 ` Miquel Raynal 2020-05-14 17:16 ` [PATCH v5 09/21] mtd: rawnand: Create a new enumeration to describe properly ECC types Miquel Raynal 2020-05-14 17:16 ` Miquel Raynal 2020-05-14 17:16 ` [PATCH v5 10/21] mtd: rawnand: Create a helper to retrieve the ECC placement Miquel Raynal 2020-05-14 17:16 ` Miquel Raynal 2020-05-14 17:16 ` [PATCH v5 11/21] mtd: rawnand: Use the new ECC engine type enumeration Miquel Raynal 2020-05-14 17:16 ` Miquel Raynal 2020-05-14 17:16 ` [PATCH v5 12/21] mtd: rawnand: Deprecate nand-ecc-mode in favor of nand-ecc-provider Miquel Raynal 2020-05-14 17:16 ` Miquel Raynal 2020-05-14 17:16 ` [PATCH v5 13/21] mtd: rawnand: Drop the legacy ECC type enumeration Miquel Raynal 2020-05-14 17:16 ` Miquel Raynal 2020-05-14 17:16 ` [PATCH v5 14/21] dt-bindings: mtd: Add the nand-ecc-placement property Miquel Raynal 2020-05-14 17:16 ` Miquel Raynal 2020-05-14 17:16 ` [PATCH v5 15/21] dt-bindings: mtd: Deprecate hw_syndrome from the ECC modes Miquel Raynal 2020-05-14 17:16 ` Miquel Raynal 2020-05-14 17:16 ` [PATCH v5 16/21] dt-bindings: mtd: Deprecate the nand-ecc-mode property Miquel Raynal 2020-05-14 17:16 ` Miquel Raynal 2020-05-14 17:16 ` [PATCH v5 17/21] mtd: nand: Move nand_device forward declaration to the top Miquel Raynal 2020-05-14 17:16 ` Miquel Raynal 2020-05-14 17:16 ` [PATCH v5 18/21] mtd: nand: Add an extra level in the Kconfig hierarchy Miquel Raynal 2020-05-14 17:16 ` Miquel Raynal 2020-05-14 17:16 ` [PATCH v5 19/21] mtd: nand: Drop useless 'depends on' in Kconfig Miquel Raynal 2020-05-14 17:16 ` Miquel Raynal 2020-05-14 17:16 ` [PATCH v5 20/21] mtd: nand: Add a NAND page I/O request type Miquel Raynal 2020-05-14 17:16 ` Miquel Raynal 2020-05-14 17:16 ` [PATCH v5 21/21] mtd: nand: Rename a core structure Miquel Raynal 2020-05-14 17:16 ` Miquel Raynal
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