[PATCH v3 5/6] PCI: mediatek: Add new generation controller support

Bjorn Helgaas helgaas at kernel.org
Tue Aug 8 13:20:22 PDT 2017


On Fri, Aug 04, 2017 at 08:06:41PM +0800, honghui.zhang at mediatek.com wrote:
> From: Ryder Lee <ryder.lee at mediatek.com>
> 
> MediaTek's PCIe host controller has two generation HWs, the new
> generation HW has two root ports, it shares most probing flow with the
> legacy controller. But the read/write config space logical is different
> from the legacy controller. The per-port register must be touched for
> read/write config space, And the per-port register base are in separate
> address space.

Can you also include the new controller IDs ("MT7622/MT2712"?) in the
subject line of this patch?

> Add support for new Gen2 controller which can be found on MT7622/MT2712.



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