linux-kernel - Re: [PATCH 0/5] Add support for Axis, ARTPEC-8 PCIe driver

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Date:   Mon, 28 Mar 2022 18:02:00 +0900
From:   이왕석 <wangseok.lee@...sung.com>
To:     Krzysztof Kozlowski <krzk@...nel.org>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "krzk+dt@...nel.org" <krzk+dt@...nel.org>,
        "kishon@...com" <kishon@...com>,
        "vkoul@...nel.org" <vkoul@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "jesper.nilsson@...s.com" <jesper.nilsson@...s.com>,
        "lars.persson@...s.com" <lars.persson@...s.com>
CC:     "bhelgaas@...gle.com" <bhelgaas@...gle.com>,
        "linux-phy@...ts.infradead.org" <linux-phy@...ts.infradead.org>,
        "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "lorenzo.pieralisi@....com" <lorenzo.pieralisi@....com>,
        "kw@...ux.com" <kw@...ux.com>,
        "linux-arm-kernel@...s.com" <linux-arm-kernel@...s.com>,
        "kernel@...s.com" <kernel@...s.com>,
        전문기 <moonki.jun@...sung.com>
Subject: Re: [PATCH 0/5] Add support for Axis, ARTPEC-8 PCIe driver

> --------- Original Message ---------
> Sender : Krzysztof Kozlowski <krzk@...nel.org>
> Date : 2022-03-28 16:12 (GMT+9)
> Title : Re: [PATCH 0/5] Add support for Axis, ARTPEC-8 PCIe driver
> 
> On 28/03/2022 03:44, 이왕석 wrote:
> > This series patches include newly PCIe support for Axis ARTPEC-8 SoC.
> > ARTPEC-8 is the SoC platform of Axis Communications.
> > PCIe controller driver and phy driver have been newly added.
> > There is also a new MAINTAINER in the addition of phy driver.
> > PCIe controller is designed based on Design-Ware PCIe controller IP
> > and PCIe phy is desinged based on SAMSUNG PHY IP.
> > It also includes modifications to the Design-Ware controller driver to 
> > run the 64bit-based ARTPEC-8 PCIe controller driver.
> > It consists of 6 patches in total.
> > 
> > This series has been tested on AXIS SW bring-up board 
> > with ARTPEC-8 chipset.
> 
> You lost mail threading. This makes reading this difficult for us. Plus
> you sent something non-applicable (patch #2), so please resend.
> 
> Knowing recent Samsung reluctance to extend existing drivers and always
> duplicate, please provide description/analysis why this driver cannot be
> combined with existing driver. The answer like: we need several syscon
> because we do not implement other frameworks (like interconnect) are not
> valid.
> 
> Best regards,
> Krzysztof

Hello, Krzysztof
Thanks for your review.

patch#2 was sent to the wrong format so sent again.
Sorry for causing confusion.

This patch is specialized in Artpec-8, 
the SoC Platform of Axis Communication, and is newly applied.
Since the target SoC platform is different from the driver previously 
used by Samsung, it is difficult to merge with the existing driver.

Thanks.