X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=udev.h;h=2652d46ada8d4db45052aa7ed16f8d4c6674dec5;hb=5016ef53f52feddb0beb202c7b4c0a299cd835bd;hp=5d54b5443248c894f142169de404bad78d8f4086;hpb=03b24b71e05d116c592b08281f8a5f0dadf6d3c7;p=elogind.git

diff --git a/udev.h b/udev.h
index 5d54b5443..2652d46ad 100644
--- a/udev.h
+++ b/udev.h
@@ -54,6 +54,7 @@ struct udev_rules;
 
 struct sysfs_device {
 	struct list_head node;			/* for device cache */
+	struct sysfs_device *parent;		/* already cached parent*/
 	char devpath[PATH_SIZE];
 	char subsystem[NAME_SIZE];		/* $class/$bus/"drivers" */
 	char kernel_name[NAME_SIZE];		/* device instance name */
@@ -113,6 +114,7 @@ extern void sysfs_cleanup(void);
 extern void sysfs_device_set_values(struct sysfs_device *dev, const char *devpath, const char *subsystem);
 extern struct sysfs_device *sysfs_device_get(const char *devpath);
 extern struct sysfs_device *sysfs_device_get_parent(struct sysfs_device *dev);
+extern struct sysfs_device *sysfs_device_get_parent_with_subsystem(struct sysfs_device *dev, const char *subsystem);
 extern char *sysfs_attr_get_value(const char *devpath, const char *attr_name);
 
 /* udev_add.c */