On Mon, Feb 26, 2007 at 09:26:44AM -0800, Randy Dunlap wrote:
> On Mon, 26 Feb 2007 16:22:27 +0300 Sergei Shtylyov wrote:
>
> > Hello, I wrote:
> >
> > >>>> 3x59x-fix-pci-resource-management.patch causes the following compile
> > >>>> error with CONFIG_PCI=n:
> >
> > >>>> <-- snip -->
> >
> > >>>> ...
> > >>>> CC drivers/net/3c59x.o
> > >>>> /home/bunk/linux/kernel-2.6/linux-2.6.20-rc4-mm1/drivers/net/3c59x.c:
> > >>>> In function 'vortex_init_one':
> > >>>> /home/bunk/linux/kernel-2.6/linux-2.6.20-rc4-mm1/drivers/net/3c59x.c:961:
> > >>>>
> > >>>> error: implicit declaration of function 'pci_request_regions'
> > >>>> /home/bunk/linux/kernel-2.6/linux-2.6.20-rc4-mm1/drivers/net/3c59x.c:985:
> > >>>>
> > >>>> error: implicit declaration of function 'pci_release_regions'
> > >>>> make[3]: *** [drivers/net/3c59x.o] Error 1
> >
> > >>> Grr, at at the same time it's happy with pci_enable_device().
> > >>> I'd say the problem is in <linux/pci.h>, not in the patch.
> >
> > >> Has there been any patch to fix the "unbalanced"
> > >> pci_{request|release}_regions() declarations? Am I suposed to create
> > >> such?
> >
> > > Alternatively, vortex_{init|remove_one() and struct pci_driver there
> > > could have been put under #ifdef CONFIG_PCI (good idea anyway -- should
> > > reduce driver size on non-PCI systems)...
> >
> > I wonder if I may count on any feedback on this -- asking linux-pci
> > now...
> > The issue is as follows: with my patch pci_{request|release}_regions()
> > may
> > be called with CONFIG_PCI=n (probably, this never has been a issue before)
> > but
> > <linux/pci.h> don't have them declared in this case -- unlike
> > pci_enable_device() which is just empty for CONFIG_PCI=n.
> > Now, what kind of approach do I take:
> >
> > - a "fair one", so that pci_{request|release}_regions() get "balanced"
> > declarations in the header like pci_enable_device();
> >
> > - a "local one" (and even saving non-PCI kernel from needless bloat), i.e.
> > #ifdef out functions that are only meaningful with CONFIG_PCI=y)?
> >
> > I'm leaning to the second now...
>
> I'd prefer the fair one -- add stubs to include/linux/pci.h.
Me too, please just send me a patch adding them to pci.h so you don't
have to have #ifdefs in your .c code.
thanks,
greg k-h
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