linux-kernel - Re: [PATCH] ARM: Fix gen_nand probe structures contents

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Message-Id: <201008120443.24749.marek.vasut@gmail.com>
Date:	Thu, 12 Aug 2010 04:43:24 +0200
From:	Marek Vasut <marek.vasut@...il.com>
To:	David Woodhouse <dwmw2@...radead.org>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux@....linux.org.uk" <linux@....linux.org.uk>,
	"nico@...xnic.net" <nico@...xnic.net>,
	"kernel@...tstofly.org" <kernel@...tstofly.org>,
	"kernel@...gutronix.de" <kernel@...gutronix.de>,
	"u.kleine-koenig@...gutronix.de" <u.kleine-koenig@...gutronix.de>,
	"kaloz@...nwrt.org" <kaloz@...nwrt.org>,
	"khc@...waw.pl" <khc@...waw.pl>, "tj@...nel.org" <tj@...nel.org>,
	"gregkh@...e.de" <gregkh@...e.de>,
	"stable-review@...nel.org" <stable-review@...nel.org>,
	"torvalds@...ux-foundation.org" <torvalds@...ux-foundation.org>,
	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
	"alan@...rguk.ukuu.org.uk" <alan@...rguk.ukuu.org.uk>,
	"Artem.Bityutskiy@...ia.com" <Artem.Bityutskiy@...ia.com>
Subject: Re: [PATCH] ARM: Fix gen_nand probe structures contents

Dne Čt 12. srpna 2010 03:21:52 David Woodhouse napsal(a):
> On Thu, 2010-08-12 at 02:14 +0100, Marek Vasut wrote:
> > These three platforms didn't properly fill nr_chips in gen_nand
> > registration and
> > therefore depended on gen_nand bug fixed by the following patch:
> > 
> > "mtd: gen_nand: fix support for multiple chips"
> > 
> > Signed-off-by: Marek Vasut <marek.vasut@...il.com>
> 
> Thanks. I've applied that to the mtd-2.6.git tree, which has a few
> straggling commits I'll be asking Linus to pull shortly.
> 
> In case there are any more, would you care to complement it with a check
> in the driver that detects the nonsensical case of nr_chips == 0,
> assumes it means 1, and also warns about it?

I checked whole arch-arm and there are no more. nr_chips check would be a nice 
thing, I was thinking of it already when I sent the first patch. I just checked 
the other archs and there are more breaks. I'll implement the check in a 
separate patch.
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