Re: [PATCH V3] pci: exynos: split into two parts such as Synopsys partand Exynos part

From: Jingoo Han
Date: Thu Sep 12 2013 - 03:15:20 EST


On Tuesday 23 July 2013 12:30 PM, Kishon Vijay Abraham I wrote:
> >> .
> >> .
> >>>>> + of_pci_range_to_resource(&range, np, &pp->cfg);
> >>>>> + pp->config.cfg0_size = resource_size(&pp->cfg)/2;
> >>>>> + pp->config.cfg1_size = resource_size(&pp->cfg)/2;
> >>>>> + }
> >>>>> + }
> >>>>> +
> >>>>> + pp->dbi_base = devm_ioremap(pp->dev, pp->cfg.start,
> >>>>> + resource_size(&pp->cfg));
> >>>>
> >>>> Why is configuraion space divided into two?
> >>>
> >>> Sorry, I don't know the exact reason. :(
> >>> Pratyush Anand may know about this.
> >>> Pratyush Anand, could you answer the question?
> >>>
> >>> Also, if you find some problems, please let me know.
>
> One more query..
>
> Where is inbound translation configuration done in your driver? how should it
> be done?

Hi Kishon,

Sorry, I cannot understand your question exactly.
However, the following thread would be helpful.

http://www.spinics.net/lists/arm-kernel/msg252078.html
https://lkml.org/lkml/2013/6/17/890

Best regards.
Jingoo Han

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