diff options
Diffstat (limited to 'namedev.c')
| -rw-r--r-- | namedev.c | 21 |
1 files changed, 21 insertions, 0 deletions
@@ -183,6 +183,7 @@ static void apply_format(struct udevice *udev, char *string, size_t maxsize, int slen; struct sysfs_attribute *tmpattr; unsigned int next_free_number; + struct sysfs_class_device *class_dev_parent; pos = string; while (1) { @@ -296,6 +297,22 @@ static void apply_format(struct udevice *udev, char *string, size_t maxsize, strfieldcatmax(string, temp2, maxsize); } break; + case 'P': + class_dev_parent = sysfs_get_classdev_parent(class_dev); + if (class_dev_parent != NULL) { + struct udevice udev_parent; + + dbg("found parent '%s', get the node name", class_dev_parent->path); + memset(&udev_parent, 0x00, sizeof(struct udevice)); + /* lookup the name in the udev_db with the DEVPATH of the parent */ + strfieldcpy(udev_parent.devpath, &class_dev_parent->path[strlen(sysfs_path)]); + if (udev_db_get_device(&udev_parent) == 0) { + strfieldcatmax(string, udev_parent.name, maxsize); + dbg("substitute parent node name'%s'", udev_parent.name); + } else + dbg("parent not found in database"); + } + break; case 'N': if (udev->tmp_node[0] == '\0') { dbg("create temporary device node for callout"); @@ -305,6 +322,10 @@ static void apply_format(struct udevice *udev, char *string, size_t maxsize, strfieldcatmax(string, udev->tmp_node, maxsize); dbg("substitute temporary device node name '%s'", udev->tmp_node); break; + case 'r': + strfieldcatmax(string, udev_root, maxsize); + dbg("substitute udev_root '%s'", udev_root); + break; default: dbg("unknown substitution type '%%%c'", c); break; |