From: Artem Bityutskiy <dedekind@infradead.org>
To: David Brownell <david-b@pacbell.net>
Cc: Kay Sievers <kay.sievers@vrfy.org>,
Linux MTD <linux-mtd@lists.infradead.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [patch/rfc 2.6.29 2/2] MTD: support driver model updates
Date: Wed, 01 Apr 2009 09:10:03 +0300 [thread overview]
Message-ID: <1238566203.20906.31.camel@localhost.localdomain> (raw)
In-Reply-To: <200903312257.37434.david-b@pacbell.net>
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@infradead.org>
--
Best regards,
Artem Bityutskiy (Битюцкий Артём)
WARNING: multiple messages have this Message-ID (diff)
From: Artem Bityutskiy <dedekind@infradead.org>
To: David Brownell <david-b@pacbell.net>
Cc: Linux MTD <linux-mtd@lists.infradead.org>,
LKML <linux-kernel@vger.kernel.org>,
Kay Sievers <kay.sievers@vrfy.org>
Subject: Re: [patch/rfc 2.6.29 2/2] MTD: support driver model updates
Date: Wed, 01 Apr 2009 09:10:03 +0300 [thread overview]
Message-ID: <1238566203.20906.31.camel@localhost.localdomain> (raw)
In-Reply-To: <200903312257.37434.david-b@pacbell.net>
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@infradead.org>
--
Best regards,
Artem Bityutskiy (Битюцкий Артём)
next prev parent reply other threads:[~2009-04-01 6:10 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200903260039.34013.david-b@pacbell.net>
2009-03-26 7:42 ` [patch/rfc 2.6.29 2/2] MTD: support driver model updates David Brownell
2009-04-01 5:46 ` Artem Bityutskiy
2009-04-01 5:46 ` Artem Bityutskiy
2009-04-01 5:57 ` David Brownell
2009-04-01 5:57 ` David Brownell
2009-04-01 6:10 ` Artem Bityutskiy [this message]
2009-04-01 6:10 ` Artem Bityutskiy
2009-04-01 6:42 ` David Brownell
2009-04-01 6:42 ` David Brownell
2009-04-01 6:48 ` Artem Bityutskiy
2009-04-01 6:48 ` Artem Bityutskiy
2009-04-01 6:08 ` Vitaly Wool
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