Messages in this thread | | | Date | Wed, 1 Dec 2010 16:05:08 +0100 (CET) | From | Hans Ulli Kroll <> | Subject | Re: [PATCH] ARM: Gemini: Add support for PCI Bus |
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On Tue, 30 Nov 2010, Arnd Bergmann wrote:
> On Tuesday 30 November 2010, Russell King - ARM Linux wrote: > > No, the above is correct. What I was talking about was the difference > > between these: > > > > config PCI > > bool "PCI support" if MIGHT_HAVE_PCI > > > > and > > > > config PCI > > bool "PCI support" > > depends on MIGHT_HAVE_PCI > > > > In the first instance, PCI itself does not depend on MIGHT_HAVE_PCI. > > MIGHT_HAVE_PCI controls whether the user is offered the "PCI support" > > option. > > > > In the second instance, PCI depends on MIGHT_HAVE_PCI, which must be > > set to 'y' to offer the option and also if PCI is selected. > > Right, I misread the patch as doing the wrong thing, thanks for > clearing that up. > > > We want the first behaviour. Platforms which must have PCI support can > > continue to select PCI as they currently do, and leave the MIGHT_HAVE_PCI > > option alone. > > > > Platforms which may optionally have PCI support should select > > MIGHT_HAVE_PCI instead. > > Yes, that sounds good. > > Arnd >
OK. I prepare some patch.
Ulli
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