Re: [PATCH v4 00/23] mtd: nand: denali: Denali NAND IP patch bomb

[Boris Brezillon <boris.brezillon@free-electrons.com>]

Hi Masahiro,

On Tue,  6 Jun 2017 08:21:39 +0900
Masahiro Yamada <yamada.masahiro@socionext.com> wrote:

> This patch series intends to solve various problems.
> 
> [1] The driver just retrieves the OOB area as-is
>     whereas the controller uses syndrome page layout.
> [2] Many NAND chip specific parameters are hard-coded in the driver.
> [3] ONFi devices are not working
> [4] It can not read Bad Block Marker
> 
> Outstanding changes are:
> - Fix raw/oob callbacks for syndrome page layout
> - Implement setup_data_interface() callback
> - Fix/implement more commands for ONFi devices
> - Allow to skip the driver internal bounce buffer
> - Support PIO in case DMA is not supported
> - Switch from ->cmdfunc over to ->cmd_ctrl
> 
> 18 patches were merged at v2.
> 11 patches were merged at v3.
> Here is the rest of the series.
> 
> v1: https://lkml.org/lkml/2016/11/26/144
> v2: https://lkml.org/lkml/2017/3/22/804
> v3: https://lkml.org/lkml/2017/3/30/90
> 
> 
> Masahiro Yamada (23):
>   mtd: nand: denali_dt: clean up resource ioremap
>   mtd: nand: denali: use BIT() and GENMASK() for register macros
>   mtd: nand: add generic helpers to check, match, maximize ECC settings
>   mtd: nand: denali: avoid hard-coding ECC step, strength, bytes
>   mtd: nand: denali: remove Toshiba and Hynix specific fixup code
>   mtd: nand: denali_dt: add compatible strings for UniPhier SoC variants
>   mtd: nand: denali: set NAND_ECC_CUSTOM_PAGE_ACCESS
>   mtd: nand: denali: do not propagate NAND_STATUS_FAIL to waitfunc()
>   mtd: nand: denali: remove unneeded find_valid_banks()
>   mtd: nand: denali: handle timing parameters by setup_data_interface()
>   mtd: nand: denali: rework interrupt handling
>   mtd: nand: denali: fix NAND_CMD_STATUS handling
>   mtd: nand: denali: fix NAND_CMD_PARAM handling
>   mtd: nand: denali: switch over to cmd_ctrl instead of cmdfunc
>   mtd: nand: denali: fix bank reset function to detect the number of
>     chips
>   mtd: nand: denali: use interrupt instead of polling for bank reset
>   mtd: nand: denali: propagate page to helpers via function argument
>   mtd: nand: denali: merge struct nand_buf into struct denali_nand_info
>   mtd: nand: denali: use flag instead of register macro for direction
>   mtd: nand: denali: fix raw and oob accessors for syndrome page layout
>   mtd: nand: denali: skip driver internal bounce buffer when possible
>   mtd: nand: denali: use non-managed kmalloc() for DMA buffer
>   mtd: nand: denali: enable bad block table scan

I'd like to apply as much patches as possible from this series (already
applied patches 1 and 2). Can you point patches that actually depend on
patches 3 and 4?

> 
>  .../devicetree/bindings/mtd/denali-nand.txt        |   13 +
>  drivers/mtd/nand/denali.c                          | 1701 +++++++++-----------
>  drivers/mtd/nand/denali.h                          |  294 ++--
>  drivers/mtd/nand/denali_dt.c                       |   54 +-
>  drivers/mtd/nand/denali_pci.c                      |   15 +-
>  drivers/mtd/nand/nand_base.c                       |  219 +++
>  include/linux/mtd/nand.h                           |   35 +
>  7 files changed, 1235 insertions(+), 1096 deletions(-)
>