linux-kernel - Re: [PATCH v3 05/12] PCI: of_property: Assign PCI instead of CPU bus address to dynamic bridge nodes

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Message-ID: <ZyiID11EbNIwyYOP@apocalypse>
Date: Mon, 4 Nov 2024 09:38:39 +0100
From: Andrea della Porta <andrea.porta@...e.com>
To: Herve Codina <herve.codina@...tlin.com>
Cc: Andrea della Porta <andrea.porta@...e.com>,
	Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Florian Fainelli <florian.fainelli@...adcom.com>,
	Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>,
	Lorenzo Pieralisi <lpieralisi@...nel.org>,
	Krzysztof Wilczynski <kw@...ux.com>,
	Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Linus Walleij <linus.walleij@...aro.org>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will@...nel.org>, Bartosz Golaszewski <brgl@...ev.pl>,
	Derek Kiernan <derek.kiernan@....com>,
	Dragan Cvetic <dragan.cvetic@....com>,
	Arnd Bergmann <arnd@...db.de>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Saravana Kannan <saravanak@...gle.com>, linux-clk@...r.kernel.org,
	devicetree@...r.kernel.org, linux-rpi-kernel@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linux-pci@...r.kernel.org, linux-gpio@...r.kernel.org,
	Masahiro Yamada <masahiroy@...nel.org>,
	Stefan Wahren <wahrenst@....net>,
	Luca Ceresoli <luca.ceresoli@...tlin.com>,
	Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
	Andrew Lunn <andrew@...n.ch>
Subject: Re: [PATCH v3 05/12] PCI: of_property: Assign PCI instead of CPU bus
 address to dynamic bridge nodes

Hi Herve,

On 09:06 Mon 04 Nov     , Herve Codina wrote:
> Hi Andrea,
> 
> On Mon, 28 Oct 2024 15:07:22 +0100
> Andrea della Porta <andrea.porta@...e.com> wrote:
> 
> > When populating "ranges" property for a PCI bridge, of_pci_prop_ranges()
> > incorrectly use the CPU bus address of the resource. Since this is a PCI-PCI
> > bridge, the window should instead be in PCI address space. Call
> > pci_bus_address() on the resource in order to obtain the PCI bus
> > address.
> > 
> > Signed-off-by: Andrea della Porta <andrea.porta@...e.com>
> 
> Tested ok with my LAN966x PCI device.
> 
> Tested-by: Herve Codina <herve.codina@...tlin.com>

Thanks for testing that!

Regards,
Andrea

> 
> Best regards,
> Hervé