Re: [git pull] PCI changes (link error)

[Jesse Barnes]

On Fri, 14 Jan 2011 23:13:00 +0100
Markus Trippelsdorf <markus@xxxxxxxxxxxxxxx> wrote:

> On 2011.01.14 at 23:01 +0100, Rafael J. Wysocki wrote:
> > On Friday, January 14, 2011, Markus Trippelsdorf wrote:
> > > On 2011.01.14 at 09:01 -0800, Jesse Barnes wrote:
> > > > ...
> > > > 
> > > > Rafael J. Wysocki (5):
> > > >       PCI hotplug: Fix unexpected driver unregister in pciehp_acpi.c
> > > >       PCI/PCIe: Clear Root PME Status bits early during system resume
> > > >       PCI/ACPI: Request _OSC control once for each root bridge (v3)
> > > 
> > > This breaks the build if CONFIG_PCIEPORTBUS is not set:
> > > 
> > > ld: drivers/built-in.o: in function acpi_pci_root_add:pci_root.c(.devinit.text+0x2633): error: undefined reference to 'pcie_ports_disabled'
> > 
> > Does the appended patch help?
> 
> > +#ifdef CONFIG_PCIEPORTBUS
> >  extern bool pcie_ports_disabled;
> >  extern bool pcie_ports_auto;
> > +#else
> > +#define pcie_ports_disabled	true
> > +#define bool pcie_ports_auto	false
> > +#endif
> 
> No, but this one does ;-):
> 
> 
> diff --git a/include/linux/pci.h b/include/linux/pci.h
> index 9e67dcd..0f4ca55 100644
> --- a/include/linux/pci.h
> +++ b/include/linux/pci.h
> @@ -993,8 +993,13 @@ extern void pci_restore_msi_state(struct pci_dev *dev);
>  extern int pci_msi_enabled(void);
>  #endif
>  
> +#ifdef CONFIG_PCIEPORTBUS
>  extern bool pcie_ports_disabled;
>  extern bool pcie_ports_auto;
> +#else
> +#define pcie_ports_disabled true
> +#define pcie_ports_auto false
> +#endif
>  
>  #ifndef CONFIG_PCIEASPM
>  static inline int pcie_aspm_enabled(void)
> 

Linus, can you just take this directly so the link error isn't in your
tree any longer than necessary?

Thanks,
-- 
Jesse Barnes, Intel Open Source Technology Center
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