[PATCH v5 0/4] Mediatek MT2712 NAND FLASH Controller driver

[Boris Brezillon]

On Wed, 31 May 2017 16:26:37 +0800
Xiaolei Li <xiaolei.li at mediatek.com> wrote:

> The following patch-set adds support for Mediatek MT2712 NAND FLASH
> Controller.

Applied to nand/next.

Thanks,

Boris

> 
> Changes on v5 relative to:
> --------------------
> 
> tree    : https://github.com/bbrezillon/linux-0day
> branch  : nand/next
> commit  :
>         'commit 2b12c057cc28 ("mtd: nand: brcmnand: Check flash #WP pin
>          status before nand erase/program")'
> 
> Patch v5:
> ---------
> - rename variable j as closest_spare in function mtk_nfc_set_spare_per_sector
> - remove unneeded parenthesis
> - add define MTK_NFC_MIN_SPARE to check whether there is no entry that is
>   less than *sps.
> 
> Patch v4:
> ---------
> - remove spare size array sort. iterate over all entries of spare size
>   table and pick the best one.
> 
> Patch v3:
> ---------
> - separate patches into 4.
> - rename struct mtk_ecc_devdata and struct mtk_nfc_devdata to struct
>   mtk_ecc_caps and struct mtk_nfc_caps respectively.
> - add variables const u8 *ecc_strength and u8 num_ecc_strength into struct
>   mtk_ecc_caps, and remove u8 max_ecc_strength.
> - rename variabl u32 temp in function mtk_ecc_probe to u32 max_eccdata_size.
> - remove ECC_CNFG_xBIT define, use a for loop to do ecc hw configuration.
> - remove const u32 *spare_format from struct mtk_nfc_caps, and add variables
>   u8 num_spare_size and u8 pageformat_spare_shift.
> - remove PAGEFMT_SPARE_ define, use a for loop to do nfc hw configuration.
> - sort spare size array before setting spare size.
> - fix coding style issue.
> 
> Patch v2:
> ---------
> - sperate patches into 3.
> - refine DT bindings documentation about NFC and ECC compatible.
> - use ecc->devdata->encode_parity_reg0 and ecc->devdata->err_mask
>   directly, but hide them in define.
> 
> Tests:
> ------
> 
> * ubifs and jffs2 are validated on NAND device MT29F16G08ADBCA
>   by 'dd' command.
> * all drivers/mtd/tests/* pass.
> * speed test:
>   eraseblock write speed is 8318 KiB/s
>   eraseblock read speed is 11374 KiB/s
>   page write speed is 8155 KiB/s
>   page read speed is 11290 KiB/s
>   2 page write speed is 8217 KiB/s
>   2 page read speed is 11354 KiB/s
>   erase speed is 116472 KiB/s
>   2x multi-block erase speed is 352978 KiB/s
>   4x multi-block erase speed is 359750 KiB/s
>   8x multi-block erase speed is 361484 KiB/s
>   16x multi-block erase speed is 364116 KiB/s
>   32x multi-block erase speed is 364116 KiB/s
>   64x multi-block erase speed is 364116 KiB/s
> 
> Xiaolei Li (4):
>   mtd: nand: mediatek: update DT bindings
>   mtd: nand: mediatek: refine register NFI_PAGEFMT setting
>   mtd: nand: mediatek: add support for different MTK NAND FLASH
>     Controller IP
>   mtd: nand: mediatek: add support for MT2712 NAND FLASH Controller
> 
>  Documentation/devicetree/bindings/mtd/mtk-nand.txt |   5 +-
>  drivers/mtd/nand/mtk_ecc.c                         | 218 ++++++++++-----------
>  drivers/mtd/nand/mtk_ecc.h                         |   2 +-
>  drivers/mtd/nand/mtk_nand.c                        | 187 +++++++++---------
>  4 files changed, 206 insertions(+), 206 deletions(-)
> 
> --
> 1.9.1