[PATCH 1/4] PCI: add DT bindings for Cortina Gemini PCI Host Bridge

Linus Walleij linus.walleij at linaro.org
Wed Feb 1 12:00:14 PST 2017


On Tue, Jan 31, 2017 at 1:31 AM, Bjorn Helgaas <helgaas at kernel.org> wrote:

>> +- bus-range: set to <0x00 0x00> (only root bus)
>
> Why is this limited to bus 0?  Is everything completely soldered down
> with no possibility of adding or replacing PCI devices? The interrupt-map
> below suggests slots, though.  If there's a slot, we could plug in a card
> with a bridge, which would mean more than just bus 0.

I thought so because it's a NAS box (the typical usecase) but when I
dismantled it and turned it over, wow, there is indeed a MiniPCI
slot!

OK I will augment this to 0x00 0xff.

Yours,
Linus Walleij



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