Messages in this thread | | | Date | Thu, 31 Oct 2002 18:48:41 -0800 | From | Greg KH <> | Subject | Re: RFC: bare pci configuration access functions ? |
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On Thu, Oct 31, 2002 at 06:39:26PM -0800, Lee, Jung-Ik wrote: > > Platform management, early console access, acpi, hotplug io-node w/ root,... > pci_bus based access is useless before pci driver is initialized. > All exceptions will be forced to use fake structs... > Sounds we need to be ready to live with all exceptions here too :) > Or just to make them all happy with that simple bare functions.
Ok, let's make them happy with bare functions, _if_ we have to. Places that do not have to will be gleefully pointed out and mocked :)
> OK, if simple and pure pci config access is not possible in Linux land, > let pci driver fake itself, not everyone else :) > Just export the two APIs like pci_config_{read|write}(s,b,d,f,s,v), > or the ones in acpi driver. Hide the fake pci_bus manipulation in them. > This way is way better than having everyone fake pci driver ;-)
I agree. But can we do this for all archs? I don't know, and look forward to your patch proving this will work. Without all arch support of this, I can't justify only exporting the functions for i386 and ia64.
thanks,
greg k-h - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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