diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2022-04-08 21:48:41 +0300 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2022-04-13 20:04:02 +0200 |
| commit | 87ffea09470d94c93dd6a5a22d4b2216b395d1ea (patch) | |
| tree | 0a7a4e6e181659066ce9fbea4781418a00064468 /include | |
| parent | 002752af7b89b74c64fe6bec8c5fde3d3a7810d8 (diff) | |
device property: Introduce fwnode_for_each_parent_node()
In a few cases the functionality of fwnode_for_each_parent_node()
is already in use. Introduce a common helper macro for it.
It may be used by others as well in the future.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/property.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/include/linux/property.h b/include/linux/property.h index 4cd4b326941f..15d6863ae962 100644 --- a/include/linux/property.h +++ b/include/linux/property.h @@ -83,9 +83,14 @@ struct fwnode_handle *fwnode_find_reference(const struct fwnode_handle *fwnode, const char *fwnode_get_name(const struct fwnode_handle *fwnode); const char *fwnode_get_name_prefix(const struct fwnode_handle *fwnode); + struct fwnode_handle *fwnode_get_parent(const struct fwnode_handle *fwnode); -struct fwnode_handle *fwnode_get_next_parent( - struct fwnode_handle *fwnode); +struct fwnode_handle *fwnode_get_next_parent(struct fwnode_handle *fwnode); + +#define fwnode_for_each_parent_node(fwnode, parent) \ + for (parent = fwnode_get_parent(fwnode); parent; \ + parent = fwnode_get_next_parent(parent)) + struct device *fwnode_get_next_parent_dev(struct fwnode_handle *fwnode); unsigned int fwnode_count_parents(const struct fwnode_handle *fwn); struct fwnode_handle *fwnode_get_nth_parent(struct fwnode_handle *fwn, |