MTD Erase Size usage in JFFS2

Ravi Vasarla ravi.vasarla at sasken.com
Wed Oct 8 03:22:46 EDT 2008


Hi Ramgopal,

I guess there is no such option other than -e (Erase block size).
Usually it is same as your block size or some times block size itself
refer as erase size only. Provide the block size with -e option i.e.
erase block size similar type.

Regards,
Ravi

-----Original Message-----
From: linux-mtd-bounces at lists.infradead.org
[mailto:linux-mtd-bounces at lists.infradead.org] On Behalf Of Ramgopal
Kota
Sent: Wednesday, October 08, 2008 12:33 PM
To: linux-mtd at lists.infradead.org
Subject: MTD Erase Size usage in JFFS2

Hi,

our board is having a 8MB flash and we are using JFFS2 as a image
storage.
Due to lead times we decided to use 4 vendors flash chips of same size,
they all work fine.
Each flash chip has different sector sizes.

 As part of  manufacturing  process, we took a working image on  one
flash and burn it in all  different vendor flashes,  due to sector size
mishap  they are not working as intended.

I want to know if I can specify something similar to "-e" option in
mkfs.jffs2 where I can specify the block size.

Thanks and Regards,
Ramgopal Kota


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