[U-Boot] [PATCH] mtd: nand: revive "nand scrub" command

Heiko Schocher hs at denx.de
Fri Dec 12 07:19:21 CET 2014


Hello Scott,

Am 11.12.2014 22:43, schrieb Scott Wood:
> On Thu, 2014-12-11 at 22:37 +0100, Marek Vasut wrote:
>> On Thursday, December 11, 2014 at 09:37:10 PM, Scott Wood wrote:
>>> On Thu, 2014-12-11 at 19:49 +0900, Masahiro Yamada wrote:
>>>> Since commit ff94bc40af34 (mtd, ubi, ubifs: resync with Linux-3.14),
>>>> the "nand scrub" command has not been working.
>>>>
>>>> The scrub is a U-Boot extension and we have to modify nand_base.c
>>>> that originates in Linux.
>>>>
>>>> Mark the code with #ifdef __UBOOT__ so we will never accidentally
>>>> drop it when we re-sync the NAND framework with Linux in the future.
>>>
>>> No more "#ifdef __UBOOT__" please.
>>
>> Do you happen to have a helpful suggestion how to clearly mark those bits of
>> code then please ?
>
> This was already discussed. :-)
>
> See the archives for why I think this is bad.
>
>>> Instead, never again do a "start
>>> from scratch" resync the way that the above commit was done.
>>
>> This was already discussed, no need to revive this topic here now.
>
> Sorry, but these patches fixing breakages that resulted from that merge
> demonstrate that there is a need to revive it, if there's anyone that
> still thinks it's a good idea -- Heiko seemed to be in agreement that
> there's no need to do that for future syncs:
> http://lists.denx.de/pipermail/u-boot/2014-November/194256.html

Yes, I hope a resync works now fine ... but I prefer to mark the
differences between linux and u-boot somehow, because, you immediately
see the differences between linux and u-boot, when you read the u-boot
code ...

And this mark should not disturb the resync process, or?

bye,
Heiko
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