[U-Boot] [PATCH v6 0/4] spi, sf: add mtdparts feature to spi and sf commands

Jagan Teki jteki at openedev.com
Mon May 11 08:01:37 CEST 2015


On 11 May 2015 at 11:19, Heiko Schocher <hs at denx.de> wrote:
> Hello Jagan,
>
>
> Am 27.04.2015 07:42, schrieb Heiko Schocher:
>>
>> This patchserie add the popssibility to define mtd partitions on
>> spi nor flash, and use this settings with the sf commands.
>>
>> steps:
>>
>> - add MTD layer driver for spi, original patch from:
>>
>> http://git.denx.de/?p=u-boot/u-boot-mips.git;a=commitdiff;h=bb246819cdc90493dd7089eaa51b9e639765cced
>>
>>    and addapted it to current mainline.
>>
>> - move common functions to get offset and size from
>>    cmdline nand command to extract offset and size from
>>    a mtd partition to common place "drivers/mtd/mtd_uboot.c"
>>    maybe another place is better?
>>
>> - add to the sf command the possibility to use offset and size from
>>    the settings in mtdparts
>>
>> With this patchset, the sf command looks now:
>>
>> => sf
>> sf - SPI flash sub-system
>>
>> Usage:
>> sf probe [[bus:]cs] [hz] [mode] - init flash device on given SPI bus
>>                                    and chip select
>> sf read addr offset|partition len       - read `len' bytes starting at
>>                                            `offset' to memory at `addr'
>> sf write addr offset|partition len      - write `len' bytes from memory
>>                                            at `addr' to flash at `offset'
>> sf erase offset|partition [+]len        - erase `len' bytes from `offset'
>>                                            `+len' round up `len' to block
>> size
>> sf update addr offset|partition len     - erase and write `len' bytes from
>> memory
>>                                            at `addr' to flash at `offset'
>> =>
>> for example "env" is defined in mtdparts:
>>
>> => sf read 13000000 env
>> device 0 offset 0xd0000, size 0x10000
>> SF: 65536 bytes @ 0xd0000 Read: OK
>> =>
>>
>> There are the followings checkpatch warnings:
>>
>> CHECK: Alignment should match open parenthesis
>> +               if (arg_off(argv[2], &idx, &addr, &maxsize, &maxsize,
>> +                   MTD_DEV_TYPE_NAND, nand_info[idx].size)) {
>>
>> CHECK: Alignment should match open parenthesis
>> +                       if (arg_off(argv[3], &dev, &off, &size, &maxsize,
>> +                           MTD_DEV_TYPE_NAND, nand_info[dev].size))
>>
>> CHECK: Alignment should match open parenthesis
>> +                       if (arg_off_size(argc - 3, argv + 3, &dev, &off,
>> &size,
>> +                           &maxsize, MTD_DEV_TYPE_NAND,
>>
>> total: 0 errors, 0 warnings, 3 checks, 361 lines checked
>>
>> NOTE: Ignored message types: COMPLEX_MACRO CONSIDER_KSTRTO MINMAX
>> MULTISTATEMENT_MACRO_USE_DO_WHILE NETWORKING_BLOCK_COMMENT_STYLE
>> USLEEP_RANGE
>>
>>
>> 20140714_ml_mtdparts/0002-mtd-nand-move-common-functions-from-cmd_nand.c-to-co.patch
>> has style problems, please review.
>>
>> I see not, why this warning pops up ...
>>
>> resend rebased version of this series, as v3 is pending since
>> September 2014...
>>
>> Changes in v6:
>> - add comments from Jagan Teki:
>>    new patch in this patchserie, extract this piece
>>    of code into a new patch.
>>
>> Changes in v2:
>> - add comment from Daniel Schwierzeck:
>>    fix compile error from original patch with
>>    "static inline" rather than "static __maybe_unused"
>> Changes in v3:
>> - rebase with d6c1ffc7d23f4fe4ae8c91101861055b8e1501b6
>> - add comments from scott wood:
>>    - align MTD_DEV_TYPE_NAND correct
>>    - remove unnecessary inline
>>    - rework "jffs2 header" problem later
>> Changes in v4:
>> - rebased against 385a08a60f042061b004642d6b9bb6cfb794ad5a
>> Changes in v5:
>> - add comment from Scott Wood:
>>    keep the continuation line aligned with the arguments
>>
>> Changes in v6:
>> - add comments from Jagan Teki:
>>    move code, which checks if flash pointer is used
>>    into a new patch.
>>    - use #ifdef in Code
>>    - call mtd register before the spi_release_bus
>> - add Reviewed-by: Jagannadha Sutradharudu Teki <jagannadh.teki at gmail.com>
>> - fix Tom Rinis mail addr
>> - add comment from Scott Wood:
>>    - fix indentation level
>>    - add mtd_ prefix
>>    - move str2off and str2long into common place, as they are no
>>      mtd specific functions and change return value from int to bool
>> - add comment from Jagan Teki:
>>    - append help text
>>    - add Reviewed-by from Jagannadha Sutradharudu Teki
>>
>> Daniel Schwierzeck (1):
>>    mtd, spi: add MTD layer driver
>>
>> Heiko Schocher (3):
>>    mtd, nand: move common functions from cmd_nand.c to common place
>>    spi, sf: use offset and size in sf cmd from mtdpartition
>>    mtd, spi: check if flash pointer is used
>>
>>   README                        |   3 +
>>   common/cmd_nand.c             | 148
>> +++++++++---------------------------------
>>   common/cmd_onenand.c          |  19 ++----
>>   common/cmd_sf.c               |  61 +++++++++--------
>>   common/cmd_test.c             |  12 +---
>>   drivers/mtd/Makefile          |   4 +-
>>   drivers/mtd/mtd_uboot.c       |  99 ++++++++++++++++++++++++++++
>>   drivers/mtd/spi/Makefile      |   1 +
>>   drivers/mtd/spi/sf_internal.h |   5 ++
>>   drivers/mtd/spi/sf_mtd.c      | 104 +++++++++++++++++++++++++++++
>>   drivers/mtd/spi/sf_probe.c    |  10 +--
>>   include/linux/mtd/mtd.h       |   5 ++
>>   include/vsprintf.h            |   2 +
>>   lib/vsprintf.c                |  16 +++++
>>   14 files changed, 317 insertions(+), 172 deletions(-)
>>   create mode 100644 drivers/mtd/mtd_uboot.c
>>   create mode 100644 drivers/mtd/spi/sf_mtd.c
>
>
> I got no more comment for this v6. Are there any more issues?
> If not I vote for apllying it soon, so we have some tests before
> the next release... thanks!

Let me give some more time I will test and see any final comments.

I will pick this series, once all fine.

thanks!
-- 
Jagan Teki,
Openedev.


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