On 08/09/13 11:50, Jason Cooper wrote:
> Randy,
>
> On Fri, Aug 09, 2013 at 09:41:38AM -0700, Randy Dunlap wrote:
>> On 08/09/13 07:59, Jason Cooper wrote:
>>> Randy,
>>>
>>> On Thu, Aug 08, 2013 at 01:03:04PM -0700, Randy Dunlap wrote:
>>>> On 08/08/13 00:08, Stephen Rothwell wrote:
>>>>> Hi all,
>>>>>
>>>>> Changes since 20130807:
>>>>>
>>>>
>>>> on i386 and x86_64:
>>>> when CONFIG_PCI_MSI is not enabled:
>>>>
>>>> There are many of these errors:
>>>> include/linux/msi.h:65:6: error: expected identifier or '(' before 'void'
>>>> include/linux/msi.h:65:6: error: expected ')' before numeric constant
>>>>
>>>> because arch/x86/include/asm/pci.h defines:
>>>> #define default_teardown_msi_irqs NULL
>>>
>>> Do you have an example config you used?
>>
>> Sure, attached. (or I have 14 of them)
>
> Thanks, I was able to reproduce the error. I'm not real familiar with
> this area of the code, but the relief is it doesn't appear to be caused
> by the mvebu changes (well, relief for us ;-) ).
>
> At any rate, give this a spin and see if it works for you
>
> If it's acceptable, I'll do an official patch for Bjorn.
Works for me -- tested with PCI_MSI enabled & disabled.
Thanks.
Acked-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
> thx,
>
> Jason.
>
> ---------->8----------
> diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h
> index d9e9e6c..6169414 100644
> --- a/arch/x86/include/asm/pci.h
> +++ b/arch/x86/include/asm/pci.h
> @@ -138,8 +138,8 @@ void default_restore_msi_irqs(struct pci_dev *dev, int irq);
> #else
> #define native_setup_msi_irqs NULL
> #define native_teardown_msi_irq NULL
> -#define default_teardown_msi_irqs NULL
> -#define default_restore_msi_irqs NULL
> +void __weak default_teardown_msi_irqs(struct pci_dev *dev) { }
> +void __weak default_restore_msi_irqs(struct pci_dev *dev, int irq) { }
> #endif
>
> #define PCI_DMA_BUS_IS_PHYS (dma_ops->is_phys)
> --
--
~Randy
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