kconfig: add short explanation to SYMBOL_WRITE

[carl9170fw.git] / config / expr.h

diff --git a/config/expr.h b/config/expr.h
index cdd48600e02a9bd842f2e43ab6b7f263949451ec..ba663e1dc7e35b7bf732c4863c1202e3249ac636 100644 (file)
--- a/config/expr.h
+++ b/config/expr.h
@@ -93,7 +93,7 @@ struct symbol {
 #define SYMBOL_CHOICEVAL  0x0020  /* used as a value in a choice block */
 #define SYMBOL_VALID      0x0080  /* set when symbol.curr is calculated */
 #define SYMBOL_OPTIONAL   0x0100  /* choice is optional - values can be 'n' */
-#define SYMBOL_WRITE      0x0200  /* ? */
+#define SYMBOL_WRITE      0x0200  /* write symbol to file (KCONFIG_CONFIG) */
 #define SYMBOL_CHANGED    0x0400  /* ? */
 #define SYMBOL_AUTO       0x1000  /* value from environment variable */
 #define SYMBOL_CHECKED    0x2000  /* used during dependency checking */
@@ -106,6 +106,9 @@ struct symbol {
 #define SYMBOL_DEF3       0x40000  /* symbol.def[S_DEF_3] is valid */
 #define SYMBOL_DEF4       0x80000  /* symbol.def[S_DEF_4] is valid */
 
+/* choice values need to be set before calculating this symbol value */
+#define SYMBOL_NEED_SET_CHOICE_VALUES  0x100000
+
 #define SYMBOL_MAXLENGTH       256
 #define SYMBOL_HASHSIZE                9973