linux-kernel - Re: [PATCH RESEND v4 00/15] PCI: dwc: Add hw version and dma-ranges support

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Date:   Wed, 28 Sep 2022 10:10:52 +0200
From:   Lorenzo Pieralisi <lpieralisi@...nel.org>
To:     Bjorn Helgaas <helgaas@...nel.org>
Cc:     Serge Semin <Sergey.Semin@...kalelectronics.ru>,
        Rob Herring <robh@...nel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Jingoo Han <jingoohan1@...il.com>,
        Gustavo Pimentel <gustavo.pimentel@...opsys.com>,
        Serge Semin <fancer.lancer@...il.com>,
        Alexey Malahov <Alexey.Malahov@...kalelectronics.ru>,
        Pavel Parkhomenko <Pavel.Parkhomenko@...kalelectronics.ru>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Frank Li <Frank.Li@....com>,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        Rob Herring <robh+dt@...nel.org>, linux-pci@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH RESEND v4 00/15] PCI: dwc: Add hw version and dma-ranges
 support

On Thu, Jul 28, 2022 at 09:36:45PM -0500, Bjorn Helgaas wrote:
> On Fri, Jun 24, 2022 at 05:39:32PM +0300, Serge Semin wrote:
> > This patchset is a second one in the series created in the framework of
> > my Baikal-T1 PCIe/eDMA-related work:
> 
> > Serge Semin (15):
> >   PCI: dwc: Add more verbose link-up message
> >   PCI: dwc: Detect iATU settings after getting "addr_space" resource
> >   PCI: dwc: Convert to using native IP-core versions representation
> >   PCI: dwc: Add IP-core version detection procedure
> >   PCI: dwc: Introduce Synopsys IP-core versions/types interface
> >   PCI: intel-gw: Drop manual DW PCIe controller version setup
> >   PCI: tegra194: Drop manual DW PCIe controller version setup
> >   PCI: dwc: Add host de-initialization callback
> >   PCI: dwc: Drop inbound iATU types enumeration - dw_pcie_as_type
> >   PCI: dwc: Drop iATU regions enumeration - dw_pcie_region_type
> >   PCI: dwc: Simplify in/outbound iATU setup methods
> >   PCI: dwc: Add iATU regions size detection procedure
> >   PCI: dwc: Verify in/out regions against iATU constraints
> >   PCI: dwc: Check iATU in/outbound ranges setup methods status
> 
> I applied the above to pci/ctrl/dwc for v5.20, thanks!
> 
> >   PCI: dwc: Introduce dma-ranges property support for RC-host
> 
> I deferred this one for now because the current value isn't clear yet.
> If we have a user for it, I'll be glad to add it.

This one is still deferred and I agree with Bjorn it should be part of
a series that actually requires it - it would also simplify the review.

Lorenzo