Re: [PATCH v2 2/3] [ARM] tegra: add PCI Express support

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>>  #define __io(a)         __io(a)
>>  #define __mem_pci(a)    (a)
> 
> I wonder what the #else path is for. If you don't have PCI, who would
> call __io? And wouldn't that result in a NULL pointer dereference?

If I remember correctly the legacy IDE (ATA) code is scanning "well
known" IO port numbers...

Cheers!

PAweÅ

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