linux-kernel - Re: [PATCH v7 00/16] mtd: nand: denali: Denali NAND IP improvements

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Date:   Tue, 20 Jun 2017 09:28:11 +0200
From:   Boris Brezillon <boris.brezillon@...e-electrons.com>
To:     Masahiro Yamada <yamada.masahiro@...ionext.com>
Cc:     linux-mtd@...ts.infradead.org, Enrico Jorns <ejo@...gutronix.de>,
        Artem Bityutskiy <artem.bityutskiy@...ux.intel.com>,
        Dinh Nguyen <dinguyen@...nel.org>,
        Marek Vasut <marek.vasut@...il.com>,
        David Woodhouse <dwmw2@...radead.org>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Chuanxiao Dong <chuanxiao.dong@...el.com>,
        Jassi Brar <jaswinder.singh@...aro.org>,
        Cyrille Pitchen <cyrille.pitchen@...ev4u.fr>,
        linux-kernel@...r.kernel.org,
        Brian Norris <computersforpeace@...il.com>,
        Richard Weinberger <richard@....at>
Subject: Re: [PATCH v7 00/16] mtd: nand: denali: Denali NAND IP improvements

On Tue, 13 Jun 2017 22:45:34 +0900
Masahiro Yamada <yamada.masahiro@...ionext.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] ONFi devices are not working
> [3] 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 by v2.
> 11 patches were merged by v3.
> 2 patches were merged by v4.
> 5 patches were merged by v5.
> 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
> v4: https://lkml.org/lkml/2017/6/5/1005
> 
> 
> Masahiro Yamada (16):
>   mtd: nand: denali: set NAND_ECC_CUSTOM_PAGE_ACCESS
>   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: 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: support hardware-assisted erased page detection
>   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
>   mtd: nand: denali: avoid magic numbers and rename for clarification

Applied patches 1 to 15 and v8 of patch 16.

Thanks a lot for your patience and the cleanup/rework you've done.

BTW, I'd be happy to have you flagged as the maintainer of the NAND
denali driver. If you like the idea, just send a patch adding an entry
in MAINTAINERS.

Regards,

Boris

> 
>  drivers/mtd/nand/denali.c     | 1724 ++++++++++++++++++-----------------------
>  drivers/mtd/nand/denali.h     |   63 +-
>  drivers/mtd/nand/denali_dt.c  |   15 +-
>  drivers/mtd/nand/denali_pci.c |   22 +-
>  4 files changed, 806 insertions(+), 1018 deletions(-)
>