Re: Purpose of pci_remap_iospace

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On Thursday, July 14, 2016 3:56:24 PM CEST Lorenzo Pieralisi wrote:
> On Thu, Jul 14, 2016 at 01:32:13PM +0000, Bharat Kumar Gogada wrote:
> 
> [...]
> 
> > Hi Lorenzo,
> > 
> > I missed something in my device tree now I corrected it.
> > 
> > ranges = <0x01000000 0x00000000 0xe0000000 0x00000000 0xe0000000 0 0x00010000   //io
> 
> You have not missed anything, you changed the PCI bus address at
> which your host bridge responds to IO space and it must match
> your configuration.

I'd always recommend mapping the I/O space to PCI address zero, but
evidently the hardware is not configured that way here.

	Arnd
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