From: Adrian Hunter <ext-adrian.hunter@nokia.com>
To: ext Nancy <nancydreaming@gmail.com>
Cc: linux-mtd@lists.infradead.org
Subject: Re: Does UBI support MLC nand flash?
Date: Wed, 02 Jan 2008 15:46:29 +0200 [thread overview]
Message-ID: <477B95B5.2030509@nokia.com> (raw)
In-Reply-To: <bae050c10801011742s762cd289ta9aae5881e294598@mail.gmail.com>
ext Nancy wrote:
> Sir / Madam,
>
> Does UBI support MLC nand flash?
>
> According to the MLC nand spec, It is only allowed write
> once per erased
> block, moreover, it isn't allowed ramdom write during a block, means
> the page number must be increase during the write PED operation.
>
>
> --
> Best Regards,
> Nancy
>
> ______________________________________________________
> Linux MTD discussion mailing list
> http://lists.infradead.org/mailman/listinfo/linux-mtd/
As Artem is on holiday, I am replying to this.
UBI (and UBIFS) write sequentially to NAND pages within an eraseblock so there should be no problem with MLC NAND.
However the driver must not set up subpages because UBI will prefer to write subpages if they are available.
prev parent reply other threads:[~2008-01-02 13:54 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-02 1:42 Does UBI support MLC nand flash? Nancy
2008-01-02 4:45 ` Kyungmin Park
2008-01-02 6:13 ` Nancy
2008-01-02 6:19 ` Nancy
2008-01-02 7:13 ` David Brown
2008-01-02 12:39 ` Josh Boyer
2008-01-02 16:52 ` David Brown
2008-01-02 17:13 ` Josh Boyer
2008-01-02 17:17 ` David Brown
2008-01-03 7:19 ` Nancy
2008-01-02 7:11 ` David Brown
2008-01-02 7:23 ` Kyungmin Park
[not found] ` <bae050c10801020133h3b121b2ft47911a0d84921868@mail.gmail.com>
2008-01-02 9:36 ` Nancy
2008-01-02 9:37 ` Nancy
2008-01-02 7:27 ` David Brown
2008-01-02 13:46 ` Adrian Hunter [this message]
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