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Wysocki" , Danilo Krummrich , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno Cc: Alan Stern , Chen-Yu Tsai , linux-acpi@vger.kernel.org, driver-core@lists.linux.dev, linux-pm@vger.kernel.org, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Manivannan Sadhasivam Subject: [PATCH v2 05/16] usb: hub: Associate port@ fwnode with USB port device Date: Wed, 10 Jun 2026 16:40:39 +0800 Message-ID: <20260610084053.2059858-6-wenst@chromium.org> X-Mailer: git-send-email 2.54.0.1099.g489fc7bff1-goog In-Reply-To: <20260610084053.2059858-1-wenst@chromium.org> References: <20260610084053.2059858-1-wenst@chromium.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260610_014141_711820_0010D9D1 X-CRM114-Status: GOOD ( 13.01 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org When a USB hub port is connected to a connector in a firmware node graph, the port itself has a node in the graph. Associate the port's firmware node with the USB port's device, usb_port::dev. This is used in later changes for the M.2 slot power sequencing provider to match against the requesting port. Signed-off-by: Chen-Yu Tsai --- drivers/usb/core/port.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/usb/core/port.c b/drivers/usb/core/port.c index b1364f0c384c..1846eb1206a4 100644 --- a/drivers/usb/core/port.c +++ b/drivers/usb/core/port.c @@ -780,6 +780,8 @@ int usb_hub_create_port_device(struct usb_hub *hub, int port1) port_dev->dev.driver = &usb_port_driver; dev_set_name(&port_dev->dev, "%s-port%d", dev_name(&hub->hdev->dev), port1); + device_set_node(&port_dev->dev, + fwnode_graph_get_port_by_id(dev_fwnode(&hdev->dev), port1)); mutex_init(&port_dev->status_lock); retval = device_register(&port_dev->dev); if (retval) { -- 2.54.0.1099.g489fc7bff1-goog