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Mon, 31 Aug 2026 18:13:47 -0700 (PDT) From: Alex Elder To: bhelgaas@google.com, robh@kernel.org, saravanak@kernel.org Cc: herve.codina@bootlin.com, daniel@riscstar.com, mohd.anwar@oss.qualcomm.com, lorenzo.bianconi@oss.qualcomm.com, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 4/4] of: address: kill of_node_is_pcie() Date: Mon, 31 Aug 2026 20:13:37 -0500 Message-ID: <20260901011338.1323243-5-elder@riscstar.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260901011338.1323243-1-elder@riscstar.com> References: <20260901011338.1323243-1-elder@riscstar.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The of_bus->match function for the "PCI" bus type is fairly liberal in what it accepts as a PCI bus devicetree node. If a node has no device_type property, it even allows a node named "pcie@" to be accepted as represnting a devicetree bus, though it issues a warning in that case. A recent PCI commit introduced of_pci_verify_node(). When a PCI device is added, if it has a devicetree node, that function checks its device_type property. For PCI bridge devices, if there is no device_type property (value "pci"), a warning is issued. That warning duplicates the warning made by of_node_is_pcie(), and there's no point in that. Avoid the second (OF) warning by just checking the node name directly in of_bus_pci_match(). That leaves of_node_is_pcie() unused, so get rid of it. Signed-off-by: Alex Elder --- v3: - Added (new) in this version of the series drivers/of/address.c | 12 +----------- 1 file changed, 1 insertion(+), 11 deletions(-) diff --git a/drivers/of/address.c b/drivers/of/address.c index 499d37ceae210..ee2eb44884d85 100644 --- a/drivers/of/address.c +++ b/drivers/of/address.c @@ -134,16 +134,6 @@ static unsigned int of_bus_pci_get_flags(const __be32 *addr) * PCI bus specific translator */ -static bool of_node_is_pcie(const struct device_node *np) -{ - bool is_pcie = of_node_name_eq(np, "pcie"); - - if (is_pcie) - pr_warn_once("%pOF: Missing device_type\n", np); - - return is_pcie; -} - static int of_bus_pci_match(struct device_node *np) { /* @@ -156,7 +146,7 @@ static int of_bus_pci_match(struct device_node *np) */ return of_node_is_type(np, "pci") || of_node_is_type(np, "pciex") || of_node_is_type(np, "vci") || of_node_is_type(np, "ht") || - of_node_is_pcie(np); + of_node_name_eq(np, "pcie"); } static void of_bus_pci_count_cells(struct device_node *np, -- 2.53.0