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Date: Wed, 7 Jun 2017 00:09:11 +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>,
Graham Moore <grmoore@...nsource.altera.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>,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
Brian Norris <computersforpeace@...il.com>,
Richard Weinberger <richard@....at>,
Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>
Subject: Re: [PATCH v4 00/23] mtd: nand: denali: Denali NAND IP patch bomb
Hi Masahiro,
On Tue, 6 Jun 2017 08:21:39 +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] 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(-)
>
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