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From: Jingoo Han <jingoohan1@gmail.com>
To: Rob Herring <robh@kernel.org>, Lorenzo Pieralisi
 <lorenzo.pieralisi@arm.com>
Subject: Re: [PATCH 09/13] PCI: dwc: Rework MSI initialization
Thread-Topic: [PATCH 09/13] PCI: dwc: Rework MSI initialization
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References: <20201028204646.356535-1-robh@kernel.org>
 <20201028204646.356535-10-robh@kernel.org>
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Cc: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>,
 Neil Armstrong <narmstrong@baylibre.com>,
 "linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
 Binghui Wang <wangbinghui@hisilicon.com>,
 Bjorn Andersson <bjorn.andersson@linaro.org>,
 "linux-tegra@vger.kernel.org" <linux-tegra@vger.kernel.org>,
 Thierry Reding <thierry.reding@gmail.com>,
 "linux-arm-kernel@axis.com" <linux-arm-kernel@axis.com>,
 Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
 Jonathan Chocron <jonnyc@amazon.com>, Shawn Guo <shawnguo@kernel.org>,
 Jonathan Hunter <jonathanh@nvidia.com>, Fabio Estevam <festevam@gmail.com>,
 Jerome Brunet <jbrunet@baylibre.com>, Jesper Nilsson <jesper.nilsson@axis.com>,
 "linux-samsung-soc@vger.kernel.org" <linux-samsung-soc@vger.kernel.org>,
 Minghuan Lian <minghuan.Lian@nxp.com>, Kevin Hilman <khilman@baylibre.com>,
 Pratyush Anand <pratyush.anand@gmail.com>,
 Krzysztof Kozlowski <krzk@kernel.org>, Kishon Vijay Abraham I <kishon@ti.com>,
 Kukjin Kim <kgene@kernel.org>, NXP Linux Team <linux-imx@nxp.com>,
 Xiaowei Song <songxiaowei@hisilicon.com>, Richard Zhu <hongxing.zhu@nxp.com>,
 Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
 "linux-arm-msm@vger.kernel.org" <linux-arm-msm@vger.kernel.org>,
 Sascha Hauer <s.hauer@pengutronix.de>, Yue Wang <yue.wang@Amlogic.com>,
 Murali Karicheri <m-karicheri2@ti.com>, Bjorn Helgaas <bhelgaas@google.com>,
 "linux-amlogic@lists.infradead.org" <linux-amlogic@lists.infradead.org>,
 "linux-omap@vger.kernel.org" <linux-omap@vger.kernel.org>,
 Mingkai Hu <mingkai.hu@nxp.com>, Roy Zang <roy.zang@nxp.com>,
 Masahiro Yamada <yamada.masahiro@socionext.com>,
 Gustavo Pimentel <gustavo.pimentel@synopsys.com>,
 Andy Gross <agross@kernel.org>, Stanimir Varbanov <svarbanov@mm-sol.com>,
 Pengutronix Kernel Team <kernel@pengutronix.de>,
 Han Jingoo <jingoohan1@gmail.com>,
 "linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>,
 Lucas Stach <l.stach@pengutronix.de>
Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org
Sender: "Linuxppc-dev"
 <linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org>

On 10/28/20, 4:47 PM, Rob Herring wrote:
>=20
> There are 3 possible MSI implementations for the DWC host. The first is
> using the built-in DWC MSI controller. The 2nd is a custom MSI
> controller as part of the PCI host (keystone only). The 3rd is an
> external MSI controller (typically GICv3 ITS). Currently, the last 2
> are distinguished with a .msi_host_init() hook with the 3rd option using
> an empty function. However we can detect the 3rd case with the presence
> of 'msi-parent' or 'msi-map' properties, so let's do that instead and
> remove the empty functions.
>
> Cc: Murali Karicheri <m-karicheri2@ti.com>
> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
> Cc: Bjorn Helgaas <bhelgaas@google.com>
> Cc: Minghuan Lian <minghuan.Lian@nxp.com>
> Cc: Mingkai Hu <mingkai.hu@nxp.com>
> Cc: Roy Zang <roy.zang@nxp.com>
> Cc: Jingoo Han <jingoohan1@gmail.com>

Acked-by: Jingoo Han <jingoohan1@gmail.com>

Best regards,
Jingoo Han

> Cc: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
> Cc: linuxppc-dev@lists.ozlabs.org
> Signed-off-by: Rob Herring <robh@kernel.org>
> ---
>  drivers/pci/controller/dwc/pci-keystone.c     |  9 -------
>  drivers/pci/controller/dwc/pci-layerscape.c   | 25 -------------------
>  .../pci/controller/dwc/pcie-designware-host.c | 20 +++++++++------
>  drivers/pci/controller/dwc/pcie-designware.h  |  1 +
>  drivers/pci/controller/dwc/pcie-intel-gw.c    |  9 -------
>  5 files changed, 13 insertions(+), 51 deletions(-)

[...]