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

roman.tereshonkov at nokia.com roman.tereshonkov at nokia.com
Thu Nov 4 04:58:07 EDT 2010


I used driver/mtd/tests and did not observe any warnings except a couple of bad blocks for some boards.

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?

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
>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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