Re: [PATCH v3 10/10] ARM: tegra: pcie: Add device tree support

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thursday 16 August 2012, Thierry Reding wrote:
> At least for the config space this is incorrect. There's a single region
> to access the configuration space for all devices below the PCIe
> controller. So it is shared by both (Tegra20) or all three (Tegra30)
> root ports.
> 
> I'm not sure about PCI domains. Do you have any good pointers as to
> where I could read up on them? If they need special hardware support,
> then I think Tegra doesn't support them either. At least I haven't come
> across any mention of domains while going through the, admittedly some-
> what sparse on PCIe, Tegra documentation.

I was referring to the same thing here: if you had a separate config
space for each root port, they would by definition be separate PCI
domain. So you don't have them.

	Arnd
--
To unsubscribe from this list: send the line "unsubscribe linux-pci" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [DMA Engine]     [Linux Coverity]     [Linux USB]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Greybus]

  Powered by Linux