From: David Brown <mtd@davidb.org>
To: Du Zhongdong <axdududu@gmail.com>
Cc: linux-mtd@lists.infradead.org
Subject: Re: [NAND] Do we support COPY_BACK operation in nand flash?
Date: Fri, 5 Dec 2008 08:28:31 -0800 [thread overview]
Message-ID: <20081205162831.GA19729@linode.davidb.org> (raw)
In-Reply-To: <7ccead5b0812050022hed8dbb7p4957aace524b924a@mail.gmail.com>
On Fri, Dec 05, 2008 at 04:22:09PM +0800, Du Zhongdong wrote:
>I'm trying to writing a mtd-based driver for HY27UK08BGFM nand flash,
>and in the data sheet, there's a COPY-BACK program which is
>'configured to quickly and efficiently rewrite data stored in one page
>without utilizing an external memory.'
Do keep in mind that copy-back doesn't verify the ECC on the data, so
if it is used for garbage collection errors will accumulate.
David
next prev parent reply other threads:[~2008-12-05 16:28 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-05 8:22 [NAND] Do we support COPY_BACK operation in nand flash? Du Zhongdong
2008-12-05 16:28 ` David Brown [this message]
2008-12-07 2:54 ` Du Zhongdong
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