Re: [PATCH 00/39] mtd: nand: denali: 2nd round of Denali NAND IP patch bomb

[Boris Brezillon <boris.brezillon-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>]

+Andy

Hi Masahiro,

On Sun, 27 Nov 2016 03:05:46 +0900
Masahiro Yamada <yamada.masahiro-uWyLwvC0a2jby3iVrkZq2A@public.gmane.org> wrote:

> As I said in the 1st round series, I am tackling on this driver
> to use it for my SoCs.
> 
> The previous series was just cosmetic things, but this series
> includes *real* changes.
> 
> After some more cleanups, I will start to add changes that
> are really necessary.
> One of the biggest problems I want to solve is a bunch of
> hard-coded parameters that prevent me from using this driver for
> my SoCs.
> 
> I will introduce capability flags that are associated with DT
> compatible and make platform-dependent parameters overridable.
> 
> I still have lots of reworks to get done (so probably 3rd round
> series will come), but I hope it is getting better and
> I am showing a big picture now.
> 

Thanks for posting this 2nd round of patches, I know have a clearer
view of what you're trying to achieve.
Could you be a bit more specific about the remaining rework (your 3rd
round)?

Also, if you don't mind, I'd like to have reviews and testing from intel
users before applying the series. Can you Cc Andy (and possibly other
intel maintainers) for the next round.

Thanks,

Boris

> 
> 
> Masahiro Yamada (39):
>   mtd: nand: allow to set only one of ECC size and ECC strength from DT
>   mtd: nand: denali: remove unused CONFIG option and macros
>   mtd: nand: denali: remove redundant define of BANK(x)
>   mtd: nand: denali: remove more unused struct members
>   mtd: nand: denali: fix comment of denali_nand_info::flash_mem
>   mtd: nand: denali: fix write_oob_data() function
>   mtd: nand: denali: transfer OOB only when oob_required is set
>   mtd: nand: denali: introduce capability flag
>   mtd: nand: denali: fix erased page check code
>   mtd: nand: denali: remove redundant if conditional of erased_check
>   mtd: nand: denali: increment ecc_stats.failed by one per error
>   mtd: nand: denali: return 0 for uncorrectable ECC error
>   mtd: nand: denali: increment ecc_stats->corrected
>   mtd: nand: denali: replace uint{8/16/32}_t with u{8/16/32}
>   mtd: nand: denali: improve readability of handle_ecc()
>   mtd: nand: denali: rename handle_ecc() to denali_sw_ecc_fixup()
>   mtd: nand: denali: support HW_ECC_FIXUP capability
>   mtd: nand: denali: move denali_read_page_raw() above
>     denali_read_page()
>   mtd: nand: denali: perform erased check against raw transferred page
>   mtd: nand: denali_dt: enable HW_ECC_FIXUP capability for DT platform
>   mtd: nand: denali: support 64bit capable DMA engine
>   mtd: nand: denali_dt: remove dma-mask DT property
>   mtd: nand: denali_dt: use pdev instead of ofdev for platform_device
>   mtd: nand: denali: add NEW_N_BANKS_FORMAT capability
>   mtd: nand: denali: use nand_chip to hold frequently accessed data
>   mtd: nand: denali: call nand_set_flash_node() to set DT node
>   mtd: nand: denali: do not set mtd->name
>   mtd: nand: denali: move multi NAND fixup code to a helper function
>   mtd: nand: denali: refactor multi NAND fixup code in more generic way
>   mtd: nand: denali: set DEVICES_CONNECTED 1 if not set
>   mtd: nand: denali: remove meaningless writes to read-only registers
>   mtd: nand: denali: remove unnecessary writes to ECC_CORRECTION
>   mtd: nand: denali: support 1024 byte ECC step size
>   mtd: nand: denali: fix the condition for 15 bit ECC strength
>   mtd: nand: denali: calculate ecc.strength and ecc.bytes generically
>   mtd: nand: denali: allow to use SoC-specific ECC strength
>   mtd: nand: denali: support "nand-ecc-strength" DT property
>   mtd: nand: denali: remove Toshiba, Hynix specific fixup code
>   mtd: nand: denali_dt: add compatible strings for UniPhier SoC variants
> 
>  .../devicetree/bindings/mtd/denali-nand.txt        |  19 +-
>  drivers/mtd/nand/Kconfig                           |  11 -
>  drivers/mtd/nand/denali.c                          | 740 ++++++++++++---------
>  drivers/mtd/nand/denali.h                          |  84 +--
>  drivers/mtd/nand/denali_dt.c                       |  95 ++-
>  drivers/mtd/nand/denali_pci.c                      |   2 +
>  drivers/mtd/nand/nand_base.c                       |   6 -
>  7 files changed, 515 insertions(+), 442 deletions(-)
> 

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