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authorSimon Glass <sjg@chromium.org>2022-09-06 20:27:28 -0600
committerTom Rini <trini@konsulko.com>2022-09-29 22:43:43 -0400
commit988f146855624d5549637552ca9f24bf07f088bf (patch)
tree54f738ffedffa9c766b24200d0228f1546d3a356 /include/dm
parent5e96925ba5b934105a9c63f050b824f24a6dfb3d (diff)
dm: core: Update comments for default-FDT ofnode functions
Some ofnode functions can only operate on the default device tree, i.e. U-Boot's control FDT. Add comments to that effect. Fix up the reference to device tree bindings while we are here. Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'include/dm')
-rw-r--r--include/dm/ofnode.h18
1 files changed, 15 insertions, 3 deletions
diff --git a/include/dm/ofnode.h b/include/dm/ofnode.h
index 3a514f71f6..0c5a883eaf 100644
--- a/include/dm/ofnode.h
+++ b/include/dm/ofnode.h
@@ -908,6 +908,8 @@ const void *ofnode_read_chosen_prop(const char *propname, int *sizep);
* This looks for a property within the /chosen node and returns its value,
* checking that it is a valid nul-terminated string
*
+ * This only works with the control FDT.
+ *
* @propname: Property name to look for
* Return: string value if found, else NULL
*/
@@ -919,6 +921,8 @@ const char *ofnode_read_chosen_string(const char *propname);
* This looks up a named property in the chosen node and uses that as a path to
* look up a code.
*
+ * This only works with the control FDT.
+ *
* @propname: Property name to look for
* Return: the referenced node if present, else ofnode_null()
*/
@@ -929,6 +933,8 @@ ofnode ofnode_get_chosen_node(const char *propname);
*
* This looks for a property within the /aliases node and returns its value
*
+ * This only works with the control FDT.
+ *
* @propname: Property name to look for
* @sizep: Returns size of property, or `FDT_ERR_...` error code if function
* returns NULL
@@ -942,6 +948,8 @@ const void *ofnode_read_aliases_prop(const char *propname, int *sizep);
* This looks up a named property in the aliases node and uses that as a path to
* look up a code.
*
+ * This only works with the control FDT.
+ *
* @propname: Property name to look for
* Return: the referenced node if present, else ofnode_null()
*/
@@ -1427,7 +1435,9 @@ phy_interface_t ofnode_read_phy_mode(ofnode mac_node);
*
* This reads a property from the /config node of the devicetree.
*
- * See doc/config.txt for bindings
+ * This only works with the control FDT.
+ *
+ * See doc/device-tree-bindings/config.txt for bindings
*
* @prop_name: property name to look up
* Return: true, if it exists, false if not
@@ -1439,7 +1449,7 @@ bool ofnode_conf_read_bool(const char *prop_name);
*
* This reads a property from the /config node of the devicetree.
*
- * See doc/config.txt for bindings
+ * See doc/device-tree-bindings/config.txt for bindings
*
* @prop_name: property name to look up
* @default_val: default value to return if the property is not found
@@ -1452,7 +1462,9 @@ int ofnode_conf_read_int(const char *prop_name, int default_val);
*
* This reads a property from the /config node of the devicetree.
*
- * See doc/config.txt for bindings
+ * This only works with the control FDT.
+ *
+ * See doc/device-tree-bindings/config.txt for bindings
*
* @prop_name: property name to look up
* Return: string value, if found, or NULL if not