linux-kernel - [PATCH 5/7] ARM: dts: aspeed-g6: Add PCIe RC node

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID:
 <SEYPR06MB51341AA9C2CED2D55FFADA629D45A@SEYPR06MB5134.apcprd06.prod.outlook.com>
Date: Fri, 27 Jun 2025 10:02:34 +0000
From: Jacky Chou <jacky_chou@...eedtech.com>
To: Bjorn Helgaas <helgaas@...nel.org>
CC: "bhelgaas@...gle.com" <bhelgaas@...gle.com>, "lpieralisi@...nel.org"
	<lpieralisi@...nel.org>, "kwilczynski@...nel.org" <kwilczynski@...nel.org>,
	"mani@...nel.org" <mani@...nel.org>, "robh@...nel.org" <robh@...nel.org>,
	"krzk+dt@...nel.org" <krzk+dt@...nel.org>, "conor+dt@...nel.org"
	<conor+dt@...nel.org>, "joel@....id.au" <joel@....id.au>,
	"andrew@...econstruct.com.au" <andrew@...econstruct.com.au>,
	"vkoul@...nel.org" <vkoul@...nel.org>, "kishon@...nel.org"
	<kishon@...nel.org>, "linus.walleij@...aro.org" <linus.walleij@...aro.org>,
	"p.zabel@...gutronix.de" <p.zabel@...gutronix.de>,
	"linux-aspeed@...ts.ozlabs.org" <linux-aspeed@...ts.ozlabs.org>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org"
	<linux-arm-kernel@...ts.infradead.org>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>, "linux-phy@...ts.infradead.org"
	<linux-phy@...ts.infradead.org>, "openbmc@...ts.ozlabs.org"
	<openbmc@...ts.ozlabs.org>, "linux-gpio@...r.kernel.org"
	<linux-gpio@...r.kernel.org>, "elbadrym@...gle.com" <elbadrym@...gle.com>,
	"romlem@...gle.com" <romlem@...gle.com>, "anhphan@...gle.com"
	<anhphan@...gle.com>, "wak@...gle.com" <wak@...gle.com>,
	"yuxiaozhang@...gle.com" <yuxiaozhang@...gle.com>, BMC-SW
	<BMC-SW@...eedtech.com>
Subject: [PATCH 5/7] ARM: dts: aspeed-g6: Add PCIe RC node

> > > Yes.  But this driver may be used in the future for other RCs that
> > > include more than one Root Port, and it would be good if that didn't
> > > require structural changes to the DT.  Also, there are RCs from
> > > other vendors that include more than one Root Port, and I'd like all
> > > the DTs and drivers to have similar structure.
> >
> > Thanks.
> > Is the "pciec" node in arch/arm/boot/dts/marvell/armada-385.dtsi
> > what you said?  Or could you provide some examples for us to modify
> > our pcie rc node?
> 
> Here are some examples of DT bindings and corresponding driver code:
> 
> * drivers/pci/controller/dwc/pcie-kirin.c
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Docume
> ntation/devicetree/bindings/pci/hisilicon,kirin-pcie.yaml?id=v6.16-rc1#n108
> 
>     kirin_pcie_parse_port():
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/
> pci/controller/dwc/pcie-kirin.c?id=v6.16-rc1#n399
> 
> * drivers/pci/controller/pci-mvebu.c
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Docume
> ntation/devicetree/bindings/pci/marvell,kirkwood-pcie.yaml?id=v6.16-rc1#n12
> 5
> 
>     mvebu_pcie_parse_port():
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/
> pci/controller/pci-mvebu.c?id=v6.16-rc1#n1252
> 
> * drivers/pci/controller/pcie-mt7621.c
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Docume
> ntation/devicetree/bindings/pci/mediatek,mt7621-pcie.yaml?id=v6.16-rc1#n11
> 1
> 
>     mt7621_pcie_parse_port():
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/
> pci/controller/pcie-mt7621.c.c?id=v6.16-rc1#n198
> 
> * drivers/pci/controller/pcie-mediatek.c
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Docume
> ntation/devicetree/bindings/pci/mediatek-pcie.txt?id=v6.16-rc1#n85
> 
>     mtk_pcie_parse_port():
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/
> pci/controller/pcie-mediatek.c.c?id=v6.16-rc1#n909

Thank you for your information.
I will try to refactor our driver in next version.

Thanks,
Jacky