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

From: Masahiro Yamada
Date: Tue Jun 06 2017 - 21:21:40 EST


Hi Boris,


2017-06-07 7:09 GMT+09:00 Boris Brezillon <boris.brezillon@xxxxxxxxxxxxxxxxxx>:
> Hi Masahiro,
>
> On Tue, 6 Jun 2017 08:21:39 +0900
> Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx> 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?
>


I think
09 "mtd: nand: denali: remove unneeded find_valid_banks()"
is applicable independently.

I will try my best to work on v5 quickly.



--
Best Regards
Masahiro Yamada