+ /* check for matching bus id */
+ if (dev->id[0] != '\0') {
+ dbg("check " FIELD_ID);
+ if (match_id(dev, class_dev, sysfs_device) != 0) {
+ dbg(FIELD_ID " is not matching");
+ goto try_parent;
+ } else {
+ dbg(FIELD_ID " matches");
+ }
+ }
+
+ /* check for matching place of device */
+ if (dev->place[0] != '\0') {
+ dbg("check " FIELD_PLACE);
+ if (match_place(dev, class_dev, sysfs_device) != 0) {
+ dbg(FIELD_PLACE " is not matching");
+ goto try_parent;
+ } else {
+ dbg(FIELD_PLACE " matches");
+ }
+ }
+
+ /* check for matching sysfs pairs */
+ if (dev->sysfs_pair[0].file[0] != '\0') {
+ dbg("check " FIELD_SYSFS " pairs");
+ if (match_sysfs_pairs(dev, class_dev, sysfs_device) != 0) {
+ dbg(FIELD_SYSFS " is not matching");
+ goto try_parent;
+ } else {
+ dbg(FIELD_SYSFS " matches");
+ }
+ }
+
+ /* execute external program */
+ if (dev->program[0] != '\0') {
+ dbg("check " FIELD_PROGRAM);
+ apply_format(udev, dev->program, sizeof(dev->program),
+ class_dev, sysfs_device);
+ if (execute_program(dev->program, udev->program_result, NAME_SIZE) != 0) {
+ dbg(FIELD_PROGRAM " returned nozero");
+ goto try_parent;
+ } else {
+ dbg(FIELD_PROGRAM " returned successful");
+ }
+ }
+
+ /* check for matching result of external program */
+ if (dev->result[0] != '\0') {
+ dbg("check for " FIELD_RESULT
+ " dev->result='%s', udev->program_result='%s'",
+ dev->result, udev->program_result);
+ if (strcmp_pattern(dev->result, udev->program_result) != 0) {
+ dbg(FIELD_RESULT " is not matching");
+ goto try_parent;
+ } else {
+ dbg(FIELD_RESULT " matches");
+ }
+ }
+
+ /* Yeah, we matched! */
+ return 0;
+
+try_parent:
+ dbg("try parent sysfs device");
+ sysfs_device = sysfs_get_device_parent(sysfs_device);
+ if (sysfs_device == NULL)
+ return -ENODEV;
+ dbg("sysfs_device->path='%s'", sysfs_device->path);
+ dbg("sysfs_device->bus_id='%s'", sysfs_device->bus_id);
+ dbg("sysfs_device->bus='%s'", sysfs_device->bus);
+ }
+
+}
+
+int namedev_name_device(struct sysfs_class_device *class_dev, struct udevice *udev)
+{
+ struct sysfs_device *sysfs_device = NULL;
+ struct config_device *dev;
+ struct perm_device *perm;
+ char *pos;
+
+ udev->mode = 0;
+
+ /* find the sysfs_device associated with this class device */
+ sysfs_device = get_sysfs_device(class_dev);
+ if (sysfs_device) {
+ dbg("sysfs_device->path='%s'", sysfs_device->path);
+ dbg("sysfs_device->bus_id='%s'", sysfs_device->bus_id);
+ dbg("sysfs_device->bus='%s'", sysfs_device->bus);
+ strfieldcpy(udev->bus_id, sysfs_device->bus_id);
+ wait_for_device_to_initialize(sysfs_device);
+ }
+ dbg("class_dev->name = '%s'", class_dev->name);
+
+ strfieldcpy(udev->kernel_name, class_dev->name);
+ fix_kernel_name(udev);
+ dbg("udev->kernel_name = '%s'", udev->kernel_name);
+
+ /* get kernel number */
+ pos = class_dev->name + strlen(class_dev->name);
+ while (isdigit(*(pos-1)))
+ pos--;
+ strfieldcpy(udev->kernel_number, pos);
+ dbg("kernel_number='%s'", udev->kernel_number);
+
+ /* look for a matching rule to apply */
+ list_for_each_entry(dev, &config_device_list, node) {
+ dbg("process rule");
+ if (match_rule(dev, class_dev, udev, sysfs_device) == 0) {
+ if (dev->name[0] == '\0' && dev->symlink[0] == '\0') {
+ info("configured rule in '%s' at line %i applied, '%s' is ignored",
+ dev->config_file, dev->config_line, udev->kernel_name);
+ return -1;
+ }
+
+ if (dev->symlink[0] != '\0') {
+ char temp[NAME_MAX];
+
+ info("configured rule in '%s' at line %i applied, added symlink '%s'",
+ dev->config_file, dev->config_line, dev->symlink);
+ /* do not clobber dev */
+ strfieldcpy(temp, dev->symlink);
+ apply_format(udev, temp, sizeof(temp),
+ class_dev, sysfs_device);
+ strfieldcat(udev->symlink, temp);
+ strfieldcat(udev->symlink, " ");
+ }
+
+ if (dev->name[0] != '\0') {
+ info("configured rule in '%s' at line %i applied, '%s' becomes '%s'",
+ dev->config_file, dev->config_line, udev->kernel_name, dev->name);
+ strfieldcpy(udev->name, dev->name);
+ goto found;
+ }
+ }
+ }
+
+ /* no rule was found so we use the kernel name */
+ strfieldcpy(udev->name, udev->kernel_name);
+ goto done;
+
+found:
+ /* substitute placeholder */
+ apply_format(udev, udev->name, sizeof(udev->name),
+ class_dev, sysfs_device);
+ udev->partitions = dev->partitions;
+done:
+ perm = find_perm(udev->name);
+ if (perm) {
+ udev->mode = perm->mode;
+ strfieldcpy(udev->owner, perm->owner);
+ strfieldcpy(udev->group, perm->group);
+ } else {
+ /* no matching perms found :( */
+ udev->mode = get_default_mode();
+ strfieldcpy(udev->owner, get_default_owner());
+ strfieldcpy(udev->group, get_default_group());
+ }
+ dbg("name, '%s' is going to have owner='%s', group='%s', mode = %#o",
+ udev->name, udev->owner, udev->group, udev->mode);
+
+ return 0;