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Message-ID: <f6b445b764312fd8ab96745fe4e97fb22f91ae4c.1730123575.git.andrea.porta@suse.com>
Date: Mon, 28 Oct 2024 15:07:22 +0100
From: Andrea della Porta <andrea.porta@...e.com>
To: 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>,
	Herve Codina <herve.codina@...tlin.com>,
	Luca Ceresoli <luca.ceresoli@...tlin.com>,
	Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
	Andrew Lunn <andrew@...n.ch>
Subject: [PATCH v3 05/12] PCI: of_property: Assign PCI instead of CPU bus address to dynamic bridge nodes

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>
---
 drivers/pci/of_property.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pci/of_property.c b/drivers/pci/of_property.c
index 5a0b98e69795..886c236e5de6 100644
--- a/drivers/pci/of_property.c
+++ b/drivers/pci/of_property.c
@@ -126,7 +126,7 @@ static int of_pci_prop_ranges(struct pci_dev *pdev, struct of_changeset *ocs,
 		if (of_pci_get_addr_flags(&res[j], &flags))
 			continue;
 
-		val64 = res[j].start;
+		val64 = pci_bus_address(pdev, &res[j] - pdev->resource);
 		of_pci_set_address(pdev, rp[i].parent_addr, val64, 0, flags,
 				   false);
 		if (pci_is_bridge(pdev)) {
-- 
2.35.3


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