C++ (Cpp) pci_dev_is_added Examples

Example #1

File: remove.c Project: metux/linux

static void pci_stop_dev(struct pci_dev *dev)
{
	pci_pme_active(dev, false);

	if (pci_dev_is_added(dev)) {
		device_release_driver(&dev->dev);
		pci_proc_detach_device(dev);
		pci_remove_sysfs_dev_files(dev);

		pci_dev_assign_added(dev, false);
	}

	if (dev->bus->self)
		pcie_aspm_exit_link_state(dev);
}

Example #2

File: pci-acpi.c Project: grate-driver/linux

static bool acpi_pci_bridge_d3(struct pci_dev *dev)
{
	const struct fwnode_handle *fwnode;
	struct acpi_device *adev;
	struct pci_dev *root;
	u8 val;

	if (!dev->is_hotplug_bridge)
		return false;

	/*
	 * Look for a special _DSD property for the root port and if it
	 * is set we know the hierarchy behind it supports D3 just fine.
	 */
	root = pci_find_pcie_root_port(dev);
	if (!root)
		return false;

	adev = ACPI_COMPANION(&root->dev);
	if (root == dev) {
		/*
		 * It is possible that the ACPI companion is not yet bound
		 * for the root port so look it up manually here.
		 */
		if (!adev && !pci_dev_is_added(root))
			adev = acpi_pci_find_companion(&root->dev);
	}

	if (!adev)
		return false;

	fwnode = acpi_fwnode_handle(adev);
	if (fwnode_property_read_u8(fwnode, "HotPlugSupportInD3", &val))
		return false;

	return val == 1;
}