Re: [PATCH 0/4] MIPS: ralink: pci: driver for Pcie controller in MT7621 SoCs

From: Thomas Bogendoerfer
Date: Fri May 21 2021 - 06:25:16 EST


On Wed, May 19, 2021 at 11:18:36PM +0200, Sergio Paracuellos wrote:
> On Wed, May 19, 2021 at 10:36 PM Bjorn Helgaas <helgaas@xxxxxxxxxx> wrote:
> > But most of the similar drivers are in drivers/pci/controller/, where
> > I think it's easier to keep them up to date with changes in the PCI
> > core. Have you considered putting this one there?
>
> Most pci drivers in 'arch/mips/pci' are still using PCI_LEGACY stuff.
> In contrast mt7621-pci is using current pci generic apis but even most
> of the code is generic enough, there is one remaining thing which
> depends on mips architecture which is the iocu region configuration
> which must be done in the driver itself. This is the only reason to
> move this driver into 'arch/mips/pci' instead of
> 'drivers/pci/controller/'. So... I am all ears to listen to
> suggestions for the proper place for this driver. Thomas, do you have
> any thoughts on this?

I tried to put a pci-xtalk driver into drivers/pci/controller, but
Lorenzo didn't want it there for being MIPS and not DT based. So this
one is DT based, but still MIPS. I'm perfectly fine putting this
driver into drivers/pci/controller/

Lorenzo, what's your opinion ?

Thomas.

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