[U-Boot] [RFC PATCH] kconfig: introduce kconfig for UBI

[Heiko Schocher <hs@denx.de>]

Hello Andrew,

Am 19.09.2016 um 17:38 schrieb Andrew F. Davis:
> On 09/14/2016 12:03 AM, Heiko Schocher wrote:
>> move the UBI config options into Kconfig.
>>
>> Signed-off-by: Heiko Schocher <hs@denx.de>
>> ---
>> Tested with tbot:
>> http://lists.denx.de/pipermail/u-boot/2016-June/258119.html
>>
>> result:
>> Boards      : 1196
>> compile err : 36
>> not checked : 0
>> U-Boot good : 1157 bad 3
>> SPL good    : 427 bad 0
>> ('compile err :', [...]
>> ('bad         :', ['sandbox', 'sandbox_noblk', 'sandbox_spl'])
>>
>> I have 36 boards, which do not compile, at least with my
>> toolchains used, see:
>> https://github.com/hsdenx/tbot/blob/master/config/tbot_uboot_kconfig_check.cfg#L68
>> but none of them had UBI support, so this should be OK.
>>
>> One change which should be discussed in microblaze-generic:
>> (I preceded the patchsnipset with a 'D' so I hope it does
>>   not confuse patchwork)
>> Ddiff --git a/include/configs/microblaze-generic.h b/include/configs/microblaze-generic.h
>> Dindex e5bf700..d8e65f8 100644
>> D--- a/include/configs/microblaze-generic.h
>> D+++ b/include/configs/microblaze-generic.h
>> D@@ -177,7 +177,6 @@
>> D
>> D #if defined(FLASH)
>> D # define CONFIG_CMD_JFFS2
>> D-# define CONFIG_CMD_UBI
>> D # undef CONFIG_CMD_UBIFS
>> D
>> D # if !defined(RAMENV)
>> D@@ -192,7 +191,6 @@
>> D # endif
>> D #else
>> D # undef CONFIG_CMD_JFFS2
>> D-# undef CONFIG_CMD_UBI
>> D # undef CONFIG_CMD_UBIFS
>> D #endif
>> D #endif
>> D@@ -202,7 +200,6 @@
>> D #endif
>> D
>> D #if defined(CONFIG_CMD_UBIFS)
>> D-# define CONFIG_CMD_UBI
>> D # define CONFIG_LZO
>> D #endif
>>
>> Hmm... how to handle such a move?
>> Just ignore it, as my test does not detect different
>> binaries?
>
> This kind of thing has shown up for me a bit, some of this logic should
> be moved over to Kconfig, others like these maybe not. These could be
> replaced by defaulting CMD_UBI when a FLASH or UBI enabled defconfig is
> selected.
>
> IMHO all of this can be added later when the Kconfig conversion is
> finished, for now if the binary doesn't change I see no harm.

Yep.

> [snip]
>
>> +config CMD_UBI
>> +	tristate "Enable UBI - Unsorted block images commands"
>> +	select CRC32
>> +	select MTD_UBI
>> +	help
>> +	  UBI is a software layer above MTD layer which admits of LVM-like
>
>                                                              ^^ use of?

I have this text from linux:/work/hs/linux/drivers/mtd/ubi/Kconfig
but you are right, changed.

Do you want to send a fix for this to the MTD mailinglist?

> Otherwise:
>
> Reviewed-by: Andrew F. Davis <afd@ti.com>

Thanks!

bye,
Heiko
>
>> +	  logical volumes on top of MTD devices, hides some complexities of
>> +	  flash chips like wear and bad blocks and provides some other useful
>> +	  capabilities. Please, consult the MTD web site for more details
>> +	  (www.linux-mtd.infradead.org). Activate this option if you want
>> +	  to use U-Boot UBI commands.
>> +
>

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