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Message-ID: <20071025132939.3fd010f9@the-village.bc.nu>
Date: Thu, 25 Oct 2007 13:29:39 +0100
From: Alan Cox <alan@...rguk.ukuu.org.uk>
To: David Brownell <david-b@...bell.net>
Cc: Jeff Garzik <jeff@...zik.org>,
Linux Kernel list <linux-kernel@...r.kernel.org>,
Andrew Morton <akpm@...ux-foundation.org>,
Greg KH <greg@...ah.com>
Subject: Re: [patch 2.6.24-rc1] resource_len() utility function
> So you'd suggest having search utilities (as with platform_bus)
> returning resource indices not resources?
That seems a bad idea to me
> Thing is, BARs are usually well defined, but when folk glue
> resources together they use whatever order is convenient on
> that particular platform. And different platforms can have
> different numbers and types of resources, etc.
Far better I think that pci_ functions that take BAR values end up as
wrappers of the form
pci_iomap(pdev, bar)
return dev_iomap_resource(&pdev->resource[bar]);
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