ampled accurately, power
+	 * off the PCIe Controller before programming the "strap" settings
+	 * and power it on after that. The runtime PM APIs namely
+	 * pm_runtime_put_sync() and pm_runtime_get_sync() will decrement and
+	 * increment the usage counter respectively, causing GENPD to power off
+	 * and power on the PCIe Controller.
+	 */
+	ret = pm_runtime_put_sync(dev);
+	if (ret < 0) {
+		dev_err(dev, "Failed to power off PCIe Controller\n");
+		return ret;
+	}
+
 	ret = j721e_pcie_set_mode(pcie, syscon, offset);
 	if (ret < 0) {
 		dev_err(dev, "Failed to set pci mode\n");
@@ -302,6 +321,12 @@ static int j721e_pcie_ctrl_init(struct j721e_pcie *pcie)
 		return ret;
 	}
 
+	ret = pm_runtime_get_sync(dev);
+	if (ret < 0) {
+		dev_err(dev, "Failed to power on PCIe Controller\n");
+		return ret;
+	}
+
 	/* Enable ACSPCIE refclk output if the optional property exists */
 	syscon = syscon_regmap_lookup_by_phandle_optional(node,
 						"ti,syscon-acspcie-proxy-ctrl");FAILED: patch "[PATCH] PCI: j721e: Fix programming sequence of "strap" settings" failed to apply to 5.15-stable tree<gregkh@linuxfoundation.org> undefineds-vadapalli@ti.com,mani@kernel.org undefined undefined undefined�4��