[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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