Commit 93ef92f6 authored by Miquel Raynal's avatar Miquel Raynal
Browse files

mtd: nand: Use the new generic ECC object 



Embed a generic NAND ECC high-level object in the nand_device
structure to carry all the ECC engine configuration/data.

Signed-off-by: default avatarMiquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20200827085208.16276-16-miquel.raynal@bootlin.com
parent 53576c7b

include/linux/mtd/nand.h

+7 −7
Original line number Diff line number Diff line
@@ -301,7 +301,7 @@ struct nand_ecc { 
 * struct nand_device - NAND device

 * @mtd: MTD instance attached to the NAND device

 * @memorg: memory layout

 * @eccreq: ECC requirements

 * @ecc: NAND ECC object attached to the NAND device

 * @rowconv: position to row address converter

 * @bbt: bad block table info

 * @ops: NAND operations attached to the NAND device
@@ -309,8 +309,8 @@ struct nand_ecc { 
 * Generic NAND object. Specialized NAND layers (raw NAND, SPI NAND, OneNAND)

 * should declare their own NAND object embedding a nand_device struct (that's

 * how inheritance is done).

 * struct_nand_device->memorg and struct_nand_device->eccreq should be filled

 * at device detection time to reflect the NAND device

 * struct_nand_device->memorg and struct_nand_device->ecc.requirements should

 * be filled at device detection time to reflect the NAND device

 * capabilities/requirements. Once this is done nanddev_init() can be called.

 * It will take care of converting NAND information into MTD ones, which means

 * the specialized NAND layers should never manually tweak
@@ -319,7 +319,7 @@ struct nand_ecc { 
struct nand_device {

	struct mtd_info mtd;

	struct nand_memory_organization memorg;

	struct nand_ecc_props eccreq;

	struct nand_ecc ecc;

	struct nand_row_converter rowconv;

	struct nand_bbt bbt;

	const struct nand_ops *ops;
@@ -530,7 +530,7 @@ nanddev_get_memorg(struct nand_device *nand) 
static inline const struct nand_ecc_props *

nanddev_get_ecc_conf(struct nand_device *nand)

{

	return &nand->eccreq;

	return &nand->ecc.ctx.conf;

}



/**
@@ -541,7 +541,7 @@ nanddev_get_ecc_conf(struct nand_device *nand) 
static inline const struct nand_ecc_props *

nanddev_get_ecc_requirements(struct nand_device *nand)

{

	return &nand->eccreq;

	return &nand->ecc.requirements;

}



/**
@@ -554,7 +554,7 @@ static inline void 
nanddev_set_ecc_requirements(struct nand_device *nand,

			     const struct nand_ecc_props *reqs)

{

	nand->eccreq = *reqs;

	nand->ecc.requirements = *reqs;

}



int nanddev_init(struct nand_device *nand, const struct nand_ops *ops,

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