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-rw-r--r--scripts/kconfig/expr.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/scripts/kconfig/expr.h b/scripts/kconfig/expr.h
index df198a5f4822..ba663e1dc7e3 100644
--- a/scripts/kconfig/expr.h
+++ b/scripts/kconfig/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 */