summaryrefslogtreecommitdiffstats
path: root/include/sysfs.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/sysfs.h')
-rw-r--r--include/sysfs.h20
1 files changed, 19 insertions, 1 deletions
diff --git a/include/sysfs.h b/include/sysfs.h
index 4564124df..6b08bbed5 100644
--- a/include/sysfs.h
+++ b/include/sysfs.h
@@ -98,7 +98,7 @@ extern int sysfs_scsi_path_contains(struct sysfs_cxt *cxt, const char *pattern);
* Linux kernel linux/drivers/base/core.c: device_get_devnode()
* defines a replacement of '!' in the /sys device name by '/' in the
* /dev device name. This helper replaces all ocurrences of '!' in
- * @name by '/'.
+ * @name by '/' to convert from /sys to /dev.
*/
static inline void sysfs_devname_to_dev_name (char *name)
{
@@ -109,4 +109,22 @@ static inline void sysfs_devname_to_dev_name (char *name)
c[0] = '/';
}
+/**
+ * sysfs_dev_name_to_devname:
+ * @name: devname to be converted in place
+ *
+ * Linux kernel linux/drivers/base/core.c: device_get_devnode()
+ * defines a replacement of '!' in the /sys device name by '/' in the
+ * /dev device name. This helper replaces all ocurrences of '/' in
+ * @name by '!' to convert from /dev to /sys.
+ */
+static inline void sysfs_dev_name_to_devname (char *name)
+{
+ char *c;
+
+ if (name)
+ while ((c = strchr(name, '/')))
+ c[0] = '!';
+}
+
#endif /* UTIL_LINUX_SYSFS_H */