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Commit c252147d authored by Sam Ravnborg's avatar Sam Ravnborg Committed by Michal Marek
Browse files

kconfig: refactor code in symbol.c 



Move logic to determine default for a choice to
a separate function.
No functional changes.

Signed-off-by: default avatarSam Ravnborg <sam@ravnborg.org>
Signed-off-by: default avatarMichal Marek <mmarek@suse.cz>
parent 0748cb3e

scripts/kconfig/lkc.h

+1 −0
Original line number Diff line number Diff line
@@ -126,6 +126,7 @@ void sym_init(void); 
void sym_clear_all_valid(void);

void sym_set_all_changed(void);

void sym_set_changed(struct symbol *sym);

struct symbol *sym_choice_default(struct symbol *sym);

struct symbol *sym_check_deps(struct symbol *sym);

struct property *prop_alloc(enum prop_type type, struct symbol *sym);

struct symbol *prop_get_symbol(struct property *prop);

scripts/kconfig/symbol.c

+33 −13
Original line number Diff line number Diff line
@@ -226,22 +226,18 @@ static void sym_calc_visibility(struct symbol *sym) 
	}

}



static struct symbol *sym_calc_choice(struct symbol *sym)

/*

 * Find the default symbol for a choice.

 * First try the default values for the choice symbol

 * Next locate the first visible choice value

 * Return NULL if none was found

 */

struct symbol *sym_choice_default(struct symbol *sym)

{

	struct symbol *def_sym;

	struct property *prop;

	struct expr *e;



	/* first calculate all choice values' visibilities */

	prop = sym_get_choice_prop(sym);

	expr_list_for_each_sym(prop->expr, e, def_sym)

		sym_calc_visibility(def_sym);



	/* is the user choice visible? */

	def_sym = sym->def[S_DEF_USER].val;

	if (def_sym && def_sym->visible != no)

		return def_sym;



	/* any of the defaults visible? */

	for_all_defaults(sym, prop) {

		prop->visible.tri = expr_calc_value(prop->visible.expr);
@@ -258,9 +254,33 @@ static struct symbol *sym_calc_choice(struct symbol *sym) 
		if (def_sym->visible != no)

			return def_sym;



	/* failed to locate any defaults */

	return NULL;

}



static struct symbol *sym_calc_choice(struct symbol *sym)

{

	struct symbol *def_sym;

	struct property *prop;

	struct expr *e;



	/* first calculate all choice values' visibilities */

	prop = sym_get_choice_prop(sym);

	expr_list_for_each_sym(prop->expr, e, def_sym)

		sym_calc_visibility(def_sym);



	/* is the user choice visible? */

	def_sym = sym->def[S_DEF_USER].val;

	if (def_sym && def_sym->visible != no)

		return def_sym;



	def_sym = sym_choice_default(sym);



	if (def_sym == NULL)

		/* no choice? reset tristate value */

		sym->curr.tri = no;

	return NULL;



	return def_sym;

}



void sym_calc_value(struct symbol *sym)