linux-kernel - Re: [PATCH] PCI: of_property: Assign PCI instead of CPU bus address to dynamic PCI nodes

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Message-ID: <ZzYWso5jLkUMehQ6@apocalypse>
Date: Thu, 14 Nov 2024 16:26:42 +0100
From: Andrea della Porta <andrea.porta@...e.com>
To: Andrea della Porta <andrea.porta@...e.com>
Cc: Herve Codina <herve.codina@...tlin.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>, stable@...r.kernel.org
Subject: Re: [PATCH] PCI: of_property: Assign PCI instead of CPU bus address
 to dynamic PCI nodes

Hi,

On 11:14 Fri 08 Nov     , Andrea della Porta wrote:
> Hi herve,
> 
> On 11:09 Fri 08 Nov     , Herve Codina wrote:
> > Hi Andrea,
> > 
> > On Fri,  8 Nov 2024 10:42:56 +0100
> > Andrea della Porta <andrea.porta@...e.com> wrote:
> > 
> > > When populating "ranges" property for a PCI bridge or endpoint,
> > > of_pci_prop_ranges() incorrectly use the CPU bus address of the resource.
> > > In such PCI nodes, the window should instead be in PCI address space. Call
> > > pci_bus_address() on the resource in order to obtain the PCI bus
> > > address.
> > > 
> > > Fixes: 407d1a51921e ("PCI: Create device tree node for bridge")
> > > Cc: stable@...r.kernel.org
> > > Signed-off-by: Andrea della Porta <andrea.porta@...e.com>
> > > Acked-by: Bjorn Helgaas <bhelgaas@...gle.com>
> > > Tested-by: Herve Codina <herve.codina@...tlin.com>
> > > ---
> > > This patch, originally preparatory for a bigger patchset (see [1]), has
> > > been splitted in a standalone one for better management and because it
> > > contains a bugfix which is probably of interest to stable branch.
> > 
> > Nothing to say for the patch itself.
> > 
> > Just here, you mentioned "see [1]" but you didn't provide the link.
> > 
> > IMHO, this is not blocking for applying the patch but, just for other people
> > looking at this email in the mailing list, can you reply providing the link?
> 
> Thanks for pointing that out, sorry about that. Here it is:
> 
> [1] - https://lore.kernel.org/all/f6b445b764312fd8ab96745fe4e97fb22f91ae4c.1730123575.git.andrea.porta@suse.com/

Do I have to resubmit the patch with the referenced url fixed or is it
ok as it is?

Thanks,
Andrea

> 
> Many thanks,
> Andrea
> 
> > 
> > Best regards,
> > Hervé