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

From: Pali Rohár
Date: Mon May 31 2021 - 09:24:47 EST


On Friday 21 May 2021 12:23:38 Thomas Bogendoerfer wrote:
> 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/

In my personal opinion this driver could go into drivers/pci/controller/