After discussing with Boris, he convinced me that the changes should be done in another order. That's why first I update the nand_ecc_algo enumeration in raw NAND, then I introduce the new bindings and the ECC core itself. Only after that, I patch the raw NAND core (and slightly SPI-NAND) to share the generic data with the NAND core/ECC framework. Changes in v10: * After reworking the entire series, I only kept 4 patches aside, resending all of them. * Fixed typos, updated commit logs as proposed. * Introduced nanddev_set_ecc_requirements(). * Used spaces instead of tabs in an array. * Renamed the nand_ecc_is_strong_enough() helper. * Dropped the use of the MAXIMIZE flag in denali.c. * Renamed this flag MAXIMIZE_STRENGTH. * Renamed the of_get_nand_ecc_config*() helpers. Changes in v9: * This time sending the additional patchs, not just the old ones with corrections. v8 should be ignored, sorry for the noise. Changes in v8: * Split "Convert generic NAND bits to ECC framework" into several peaces: > added two helpers > converted SPI-NAND then raw-NAND. * Fixed a comment. * Used the _ooblayout suffix instead of _layout. Miquel Raynal (20): mtd: rawnand: Add a kernel doc to the ECC algorithm enumeration mtd: rawnand: Rename the ECC algorithm enumeration items mtd: rawnand: Move the nand_ecc_algo enum to the generic NAND layer mtd: nand: Add a NAND page I/O request type dt-bindings: mtd: Document nand-ecc-placement dt-bindings: mtd: Document nand-ecc-engine dt-bindings: mtd: Document boolean NAND ECC properties mtd: nand: Introduce the ECC engine framework mtd: rawnand: Separate the ECC engine type and the ECC byte placement mtd: rawnand: Use the new ECC engine type enumeration mtd: nand: Create a helper to extract the ECC configuration mtd: spinand: Use nanddev_get_ecc_conf() when relevant mtd: nand: Create helpers to set/extract the ECC requirements mtd: rawnand: Use nanddev_get/set_ecc_requirements() when relevant mtd: nand: Use the new generic ECC object mtd: rawnand: Make use of the ECC framework mtd: rawnand: Use the ECC framework OOB layouts mtd: rawnand: Use the ECC framework nand_ecc_is_strong_enough() helper mtd: rawnand: Use the ECC framework user input parsing bits mtd: rawnand: Use the NAND framework user_conf object for ECC flags .../bindings/mtd/nand-controller.yaml | 28 + arch/arm/mach-davinci/board-da830-evm.c | 2 +- arch/arm/mach-davinci/board-da850-evm.c | 2 +- arch/arm/mach-davinci/board-dm355-evm.c | 2 +- arch/arm/mach-davinci/board-dm355-leopard.c | 3 +- arch/arm/mach-davinci/board-dm365-evm.c | 2 +- arch/arm/mach-davinci/board-dm644x-evm.c | 2 +- arch/arm/mach-davinci/board-dm646x-evm.c | 2 +- arch/arm/mach-davinci/board-mityomapl138.c | 2 +- arch/arm/mach-davinci/board-neuros-osd2.c | 2 +- arch/arm/mach-davinci/board-omapl138-hawk.c | 2 +- arch/arm/mach-s3c24xx/common-smdk.c | 2 +- arch/arm/mach-s3c24xx/mach-anubis.c | 2 +- arch/arm/mach-s3c24xx/mach-at2440evb.c | 2 +- arch/arm/mach-s3c24xx/mach-bast.c | 2 +- arch/arm/mach-s3c24xx/mach-gta02.c | 2 +- arch/arm/mach-s3c24xx/mach-jive.c | 2 +- arch/arm/mach-s3c24xx/mach-mini2440.c | 2 +- arch/arm/mach-s3c24xx/mach-osiris.c | 2 +- arch/arm/mach-s3c24xx/mach-qt2410.c | 2 +- arch/arm/mach-s3c24xx/mach-rx1950.c | 2 +- arch/arm/mach-s3c24xx/mach-rx3715.c | 2 +- arch/arm/mach-s3c24xx/mach-vstms.c | 2 +- arch/arm/mach-s3c64xx/mach-hmt.c | 2 +- arch/arm/mach-s3c64xx/mach-mini6410.c | 2 +- arch/arm/mach-s3c64xx/mach-real6410.c | 2 +- drivers/mtd/nand/Kconfig | 8 + drivers/mtd/nand/Makefile | 2 + drivers/mtd/nand/ecc.c | 484 +++++++++++++++ drivers/mtd/nand/raw/Kconfig | 1 + drivers/mtd/nand/raw/ams-delta.c | 4 +- drivers/mtd/nand/raw/arasan-nand-controller.c | 16 +- drivers/mtd/nand/raw/atmel/nand-controller.c | 31 +- drivers/mtd/nand/raw/au1550nd.c | 4 +- .../mtd/nand/raw/bcm47xxnflash/ops_bcm4706.c | 3 +- drivers/mtd/nand/raw/brcmnand/brcmnand.c | 28 +- .../mtd/nand/raw/cadence-nand-controller.c | 4 +- drivers/mtd/nand/raw/cafe_nand.c | 3 +- drivers/mtd/nand/raw/cs553x_nand.c | 2 +- drivers/mtd/nand/raw/davinci_nand.c | 38 +- drivers/mtd/nand/raw/denali.c | 3 +- drivers/mtd/nand/raw/denali_pci.c | 2 +- drivers/mtd/nand/raw/diskonchip.c | 3 +- drivers/mtd/nand/raw/fsl_elbc_nand.c | 20 +- drivers/mtd/nand/raw/fsl_ifc_nand.c | 12 +- drivers/mtd/nand/raw/fsl_upm.c | 4 +- drivers/mtd/nand/raw/fsmc_nand.c | 14 +- drivers/mtd/nand/raw/gpio.c | 4 +- drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c | 15 +- drivers/mtd/nand/raw/hisi504_nand.c | 6 +- .../mtd/nand/raw/ingenic/ingenic_nand_drv.c | 20 +- drivers/mtd/nand/raw/lpc32xx_mlc.c | 2 +- drivers/mtd/nand/raw/lpc32xx_slc.c | 3 +- drivers/mtd/nand/raw/marvell_nand.c | 35 +- drivers/mtd/nand/raw/meson_nand.c | 2 +- drivers/mtd/nand/raw/mpc5121_nfc.c | 4 +- drivers/mtd/nand/raw/mtk_nand.c | 12 +- drivers/mtd/nand/raw/mxc_nand.c | 25 +- drivers/mtd/nand/raw/nand_base.c | 565 +++++++----------- drivers/mtd/nand/raw/nand_esmt.c | 15 +- drivers/mtd/nand/raw/nand_hynix.c | 44 +- drivers/mtd/nand/raw/nand_jedec.c | 9 +- drivers/mtd/nand/raw/nand_micron.c | 23 +- drivers/mtd/nand/raw/nand_onfi.c | 17 +- drivers/mtd/nand/raw/nand_samsung.c | 22 +- drivers/mtd/nand/raw/nand_toshiba.c | 19 +- drivers/mtd/nand/raw/nandsim.c | 8 +- drivers/mtd/nand/raw/ndfc.c | 2 +- drivers/mtd/nand/raw/omap2.c | 22 +- drivers/mtd/nand/raw/orion_nand.c | 4 +- drivers/mtd/nand/raw/pasemi_nand.c | 4 +- drivers/mtd/nand/raw/plat_nand.c | 4 +- drivers/mtd/nand/raw/qcom_nandc.c | 2 +- drivers/mtd/nand/raw/r852.c | 3 +- drivers/mtd/nand/raw/s3c2410.c | 20 +- drivers/mtd/nand/raw/sh_flctl.c | 6 +- drivers/mtd/nand/raw/sharpsl.c | 2 +- drivers/mtd/nand/raw/socrates_nand.c | 5 +- drivers/mtd/nand/raw/stm32_fmc2_nand.c | 9 +- drivers/mtd/nand/raw/sunxi_nand.c | 27 +- drivers/mtd/nand/raw/tango_nand.c | 4 +- drivers/mtd/nand/raw/tegra_nand.c | 37 +- drivers/mtd/nand/raw/tmio_nand.c | 2 +- drivers/mtd/nand/raw/txx9ndfmc.c | 2 +- drivers/mtd/nand/raw/vf610_nfc.c | 6 +- drivers/mtd/nand/raw/xway_nand.c | 4 +- drivers/mtd/nand/spi/core.c | 12 +- drivers/mtd/nand/spi/macronix.c | 7 +- drivers/mtd/nand/spi/toshiba.c | 6 +- include/linux/mtd/nand.h | 188 +++++- include/linux/mtd/rawnand.h | 34 +- include/linux/platform_data/mtd-davinci.h | 9 +- .../linux/platform_data/mtd-nand-s3c2410.h | 2 +- 93 files changed, 1315 insertions(+), 723 deletions(-) create mode 100644 drivers/mtd/nand/ecc.c -- 2.20.1 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/
[PATCH v10 00/20] Introduction of the generic ECC framework
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- Subject: [PATCH v10 00/20] Introduction of the generic ECC framework
- From: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>
- Date: Wed, 3 Jun 2020 19:57:39 +0200
- Cc: Mark Rutland <mark.rutland@xxxxxxx>, devicetree@xxxxxxxxxxxxxxx, Julien Su <juliensu@xxxxxxxxxxx>, Miquel Raynal <miquel.raynal@xxxxxxxxxxx>, Rob Herring <robh+dt@xxxxxxxxxx>, Thomas Petazzoni <thomas.petazzoni@xxxxxxxxxxx>, Boris Brezillon <boris.brezillon@xxxxxxxxxxxxx>, Mason Yang <masonccyang@xxxxxxxxxxx>, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
- Follow-Ups:
- [PATCH v10 18/20] mtd: rawnand: Use the ECC framework nand_ecc_is_strong_enough() helper
- From: Miquel Raynal
- [PATCH v10 19/20] mtd: rawnand: Use the ECC framework user input parsing bits
- From: Miquel Raynal
- [PATCH v10 20/20] mtd: rawnand: Use the NAND framework user_conf object for ECC flags
- From: Miquel Raynal
- [PATCH v10 17/20] mtd: rawnand: Use the ECC framework OOB layouts
- From: Miquel Raynal
- [PATCH v10 15/20] mtd: nand: Use the new generic ECC object
- From: Miquel Raynal
- [PATCH v10 14/20] mtd: rawnand: Use nanddev_get/set_ecc_requirements() when relevant
- From: Miquel Raynal
- [PATCH v10 16/20] mtd: rawnand: Make use of the ECC framework
- From: Miquel Raynal
- [PATCH v10 12/20] mtd: spinand: Use nanddev_get_ecc_conf() when relevant
- From: Miquel Raynal
- [PATCH v10 13/20] mtd: nand: Create helpers to set/extract the ECC requirements
- From: Miquel Raynal
- [PATCH v10 11/20] mtd: nand: Create a helper to extract the ECC configuration
- From: Miquel Raynal
- [PATCH v10 10/20] mtd: rawnand: Use the new ECC engine type enumeration
- From: Miquel Raynal
- [PATCH v10 09/20] mtd: rawnand: Separate the ECC engine type and the ECC byte placement
- From: Miquel Raynal
- [PATCH v10 08/20] mtd: nand: Introduce the ECC engine framework
- From: Miquel Raynal
- [PATCH v10 07/20] dt-bindings: mtd: Document boolean NAND ECC properties
- From: Miquel Raynal
- [PATCH v10 06/20] dt-bindings: mtd: Document nand-ecc-engine
- From: Miquel Raynal
- [PATCH v10 05/20] dt-bindings: mtd: Document nand-ecc-placement
- From: Miquel Raynal
- [PATCH v10 03/20] mtd: rawnand: Move the nand_ecc_algo enum to the generic NAND layer
- From: Miquel Raynal
- [PATCH v10 04/20] mtd: nand: Add a NAND page I/O request type
- From: Miquel Raynal
- [PATCH v10 02/20] mtd: rawnand: Rename the ECC algorithm enumeration items
- From: Miquel Raynal
- [PATCH v10 01/20] mtd: rawnand: Add a kernel doc to the ECC algorithm enumeration
- From: Miquel Raynal
- [PATCH v10 18/20] mtd: rawnand: Use the ECC framework nand_ecc_is_strong_enough() helper
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