Re: [patch/rfc 2.6.29 2/2] MTD: support driver model updates

From: Artem Bityutskiy
Date: Wed Apr 01 2009 - 02:10:37 EST


On Tue, 2009-03-31 at 22:57 -0700, David Brownell wrote:
> On Tuesday 31 March 2009, Artem Bityutskiy wrote:
> > > --- a/drivers/mtd/nand/mxc_nand.c
> > > +++ b/drivers/mtd/nand/mxc_nand.c
> > > @@ -866,6 +866,7 @@ static int __init mxcnd_probe(struct pla
> > > mtd = &host->mtd;
> > > mtd->priv = this;
> > > mtd->owner = THIS_MODULE;
> > > + mtd->dev.parent = &pdev->dev;
> >
> > Could this be done for all NANDs in nand_base.c instead?
>
> By adding the device as a parameter to nand_scan(),
> and presumably nand_scan_ident() ... which is a more
> invasive API change, and would require a "flag day"
> to convert all drivers.
>
> My default assumption for API changes is to avoid
> flag days. They can be done, yes, but I don't see
> a compelling reason to choose one here.

OK. MTD long needs sysfs, and I'm very happy with this
patches, even though they are not 100% complete. Good
start anyway.

Acked-by: Artem Bityutskiy <dedekind@xxxxxxxxxxxxx>

--
Best regards,
Artem Bityutskiy (ÐÐÑÑÑÐÐÐ ÐÑÑÑÐ)

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