fdt: Add a note to avoid adding new compatible strings
The list is shrinking and we should avoid adding new things. Instead, a
proper driver should be created with driver model.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/lib/fdtdec.c b/lib/fdtdec.c
index 960f9bb..68f0df7 100644
--- a/lib/fdtdec.c
+++ b/lib/fdtdec.c
@@ -19,6 +19,11 @@
* Here are the type we know about. One day we might allow drivers to
* register. For now we just put them here. The COMPAT macro allows us to
* turn this into a sparse list later, and keeps the ID with the name.
+ *
+ * NOTE: This list is basically a TODO list for things that need to be
+ * converted to driver model. So don't add new things here unless there is a
+ * good reason why driver-model conversion is infeasible. Examples include
+ * things which are used before driver model is available.
*/
#define COMPAT(id, name) name
static const char * const compat_names[COMPAT_COUNT] = {