[PATCH v2] mtd: gpmi: add NAND write verify support

Artem Bityutskiy dedekind1 at gmail.com
Mon Aug 13 06:20:27 EDT 2012


On Mon, 2012-08-13 at 13:09 +0800, Huang Shijie wrote:
> 于 2012年08月13日 12:44, Artem Bityutskiy 写道:
> > On Sat, Aug 11, 2012 at 6:25 PM, Huang Shijie<shijie8 at gmail.com>  wrote:
> >> Add NAND write verify support in gpmi-nand driver.
> >>
> >> This patch fixes a kernel crash when we select
> >> CONFIG_MTD_NAND_VERIFY_WRITE=y, and do some write tests:
> > I would just kill ONFIG_MTD_NAND_VERIFY_WRITE entirely. Some drivers
> > do not support it and it does not work for sub-pages for long time.
> > Both UBI and JFFS2 are able to read verify what they wrote already.
> > There are also MTD tests which do this verification. So I think there
> > is no reason to keep this in the NAND layer, let alone wasting RAM in
> > the driver to support this feature.
> >
> > I am also removing the -stable mailing list - ne need to spam it.
> >
> thanks a lot. Maybe we should send a patch to remove the 
> CONFIG_MTD_NAND_VERIFY_WRITE feature entirely.

I'd suggest that instead. I have huge back-log, so wouldn't be able to
process it quickly, but at some point I would take it to the l2 tree.

-- 
Best Regards,
Artem Bityutskiy
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