linux-kernel - Re: [RFC/PATCH 4/4] [POWERPC] pci: Disable IO/Mem on a device when resources can't be allocated

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Date:	Tue, 18 Dec 2007 12:56:43 +0300
From:	Ivan Kokshaysky <ink@...assic.park.msu.ru>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:	linux-pci@...ey.karlin.mff.cuni.cz, Alan Cox <alan@...hat.com>,
	Greg Kroah-Hartman <greg@...ah.com>, jgarzik@...ox.com,
	wingel@...o-system.com,
	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>,
	james.smart@...lex.com, linux-driver@...gic.com,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC/PATCH 4/4] [POWERPC] pci: Disable IO/Mem on a device when resources can't be allocated

On Tue, Dec 18, 2007 at 10:01:15AM +1100, Benjamin Herrenschmidt wrote:
> @@ -1040,7 +1040,10 @@ static inline void __devinit alloc_resou
>  		r->flags |= IORESOURCE_UNSET;
>  		r->end -= r->start;
>  		r->start = 0;

Perhaps we should use IORESOURCE_UNSET universally... It's a lot better
than clearing r->start which is in fact architecture dependent thing
and in the end just destroys information for no purpose.

Ivan.
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