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-rw-r--r--scripts/kconfig/expr.c3
-rw-r--r--scripts/kconfig/expr.h1
-rw-r--r--scripts/kconfig/menu.c11
3 files changed, 13 insertions, 2 deletions
diff --git a/scripts/kconfig/expr.c b/scripts/kconfig/expr.c
index 9f1de58e9f0c..81ebf8108ca7 100644
--- a/scripts/kconfig/expr.c
+++ b/scripts/kconfig/expr.c
@@ -13,7 +13,6 @@
#define DEBUG_EXPR 0
-static int expr_eq(struct expr *e1, struct expr *e2);
static struct expr *expr_eliminate_yn(struct expr *e);
struct expr *expr_alloc_symbol(struct symbol *sym)
@@ -250,7 +249,7 @@ void expr_eliminate_eq(struct expr **ep1, struct expr **ep2)
* equals some operand in the other (operands do not need to appear in the same
* order), recursively.
*/
-static int expr_eq(struct expr *e1, struct expr *e2)
+int expr_eq(struct expr *e1, struct expr *e2)
{
int res, old_count;
diff --git a/scripts/kconfig/expr.h b/scripts/kconfig/expr.h
index 6e102a3b8bd5..5c3443692f34 100644
--- a/scripts/kconfig/expr.h
+++ b/scripts/kconfig/expr.h
@@ -300,6 +300,7 @@ struct expr *expr_alloc_or(struct expr *e1, struct expr *e2);
struct expr *expr_copy(const struct expr *org);
void expr_free(struct expr *e);
void expr_eliminate_eq(struct expr **ep1, struct expr **ep2);
+int expr_eq(struct expr *e1, struct expr *e2);
tristate expr_calc_value(struct expr *e);
struct expr *expr_trans_bool(struct expr *e);
struct expr *expr_eliminate_dups(struct expr *e);
diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c
index b4fb0c88b6e0..da50f79a8e8d 100644
--- a/scripts/kconfig/menu.c
+++ b/scripts/kconfig/menu.c
@@ -736,6 +736,17 @@ static void get_prompt_str(struct gstr *r, struct property *prop,
str_printf(r, " Prompt: %s\n", prop->text);
get_dep_str(r, prop->menu->dep, " Depends on: ");
+ /*
+ * Most prompts in Linux have visibility that exactly matches their
+ * dependencies. For these, we print only the dependencies to improve
+ * readability. However, prompts with inline "if" expressions and
+ * prompts with a parent that has a "visible if" expression have
+ * differing dependencies and visibility. In these rare cases, we
+ * print both.
+ */
+ if (!expr_eq(prop->menu->dep, prop->visible.expr))
+ get_dep_str(r, prop->visible.expr, " Visible if: ");
+
menu = prop->menu->parent;
for (i = 0; menu != &rootmenu && i < 8; menu = menu->parent) {
bool accessible = menu_is_visible(menu);