[PATCHv2 0/3] mtd: onenand: add cache program feature for 4kb page onenand

[Kyungmin Park]

On Thu, Nov 4, 2010 at 5:58 PM,  <roman.tereshonkov at nokia.com> wrote:
>
> Hi,
>
>
> I used driver/mtd/tests and did not observe any warnings except a couple of bad blocks for some boards.
Yes in case of mtd_test* there's no messages.
>
> Can you discribe your test case for me to reproduce it. And show your kernel log when it happens if possible?
> Is it for 2kb or 4kb page onenand?

Mount ubifs on OneNAND which has 4KiB pagesize and run fsstress -p 3
-n 1000000000 -d /ubifs

then you can or maybe see the UBI scrubbing message.

Thank you,
Kyungmin Park
>
>
> Regards
> Roman Tereshonkov
>
>
>>-----Original Message-----
>>From: kyungmin78 at gmail.com [mailto:kyungmin78 at gmail.com] On
>>Behalf Of ext Kyungmin Park
>>Sent: 04 November, 2010 03:15
>>To: Tereshonkov Roman (Nokia-MS/Helsinki)
>>Cc: linux-mtd at lists.infradead.org
>>Subject: Re: [PATCHv2 0/3] mtd: onenand: add cache program
>>feature for 4kb page onenand
>>
>>Hi,
>>
>>One concern is that after apply patch, there are some 1-bit ECC
>>warnings so UBI scrubbing messages are displayed.
>>
>>Are there these message at your board?
>>
>>Thank you,
>>Kyungmin Park
>>
>>On Wed, Nov 3, 2010 at 7:55 PM, Roman Tereshonkov
>><roman.tereshonkov at nokia.com> wrote:
>>> Implement cache program feature for 4KB page onenand.
>>> This feature improves the write data performance.
>>> The observed 128KB data program speed change is
>>> from 8827KB/s to 14156 KB/s when the feature is enabled.
>>>
>>> Roman Tereshonkov (3):
>>>  mtd: onenand: add option and variable for cache program feature
>>>  mtd: onenand: fix omap2 code to handle cache program feature
>>>  mtd: onenand: implement cache program feature for 4kb page onenand
>>>
>>>  drivers/mtd/onenand/omap2.c        |   12 +++++++++---
>>>  drivers/mtd/onenand/onenand_base.c |   22 +++++++++++++++++++---
>>>  include/linux/mtd/onenand.h        |   12 ++++++++++++
>>>  3 files changed, 40 insertions(+), 6 deletions(-)
>>>
>>>
>>> ______________________________________________________
>>> Linux MTD discussion mailing list
>>> http://lists.infradead.org/mailman/listinfo/linux-mtd/
>>>
>>
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