Revert "kconfig: fix randomising choice entries in presence of KCONFIG_ALLCONFIG"

[carl9170fw.git] / config / confdata.c

diff --git a/config/confdata.c b/config/confdata.c
index b0f134fa0f603c76372a6be9788137504af0c1ee..b882b56db09d7da6c2da962aa1d0f9156653efae 100644 (file)
--- a/config/confdata.c
+++ b/config/confdata.c
@@ -288,6 +288,8 @@ load:
        for_all_symbols(i, sym) {
                sym->flags |= SYMBOL_CHANGED;
                sym->flags &= ~(def_flags|SYMBOL_VALID);
+               if (sym_is_choice(sym))
+                       sym->flags |= def_flags;
                switch (sym->type) {
                case S_INT:
                case S_HEX:
@@ -377,13 +379,13 @@ setsym:
                        case mod:
                                if (cs->def[def].tri == yes) {
                                        conf_warning("%s creates inconsistent choice state", sym->name);
+                                       cs->flags &= ~def_flags;
                                }
                                break;
                        case yes:
                                if (cs->def[def].tri != no)
                                        conf_warning("override: %s changes choice state", sym->name);
                                cs->def[def].val = sym;
-                               cs->flags |= def_flags;
                                break;
                        }
                        cs->def[def].tri = EXPR_OR(cs->def[def].tri, sym->def[def].tri);
@@ -835,8 +837,6 @@ int conf_write(const char *name)
                        sym_calc_value(sym);
                        if (!(sym->flags & SYMBOL_WRITE))
                                goto next;
-                       if (sym_is_choice_value(sym) && !menu_is_visible(menu->parent))
-                               goto next;
                        sym->flags &= ~SYMBOL_WRITE;
 
                        conf_write_symbol(out, sym, &kconfig_printer_cb, NULL);
@@ -1140,7 +1140,6 @@ static void randomize_choice_values(struct symbol *csym)
                else {
                        sym->def[S_DEF_USER].tri = no;
                }
-               sym->flags &= ~(SYMBOL_VALID);
        }
        csym->flags |= SYMBOL_DEF_USER;
        /* clear VALID to get value calculated */
@@ -1170,7 +1169,51 @@ static void set_all_choice_values(struct symbol *csym)
 void conf_set_all_new_symbols(enum conf_def_mode mode)
 {
        struct symbol *sym, *csym;
-       int i, cnt;
+       int i, cnt, pby, pty, ptm;      /* pby: probability of boolean  = y
+                                        * pty: probability of tristate = y
+                                        * ptm: probability of tristate = m
+                                        */
+
+       pby = 50; pty = ptm = 33; /* can't go as the default in switch-case
+                                  * below, otherwise gcc whines about
+                                  * -Wmaybe-uninitialized */
+       if (mode == def_random) {
+               int n, p[3];
+               char *env = getenv("KCONFIG_PROBABILITY");
+               n = 0;
+               while( env && *env ) {
+                       char *endp;
+                       int tmp = strtol( env, &endp, 10 );
+                       if( tmp >= 0 && tmp <= 100 ) {
+                               p[n++] = tmp;
+                       } else {
+                               errno = ERANGE;
+                               perror( "KCONFIG_PROBABILITY" );
+                               exit( 1 );
+                       }
+                       env = (*endp == ':') ? endp+1 : endp;
+                       if( n >=3 ) {
+                               break;
+                       }
+               }
+               switch( n ) {
+               case 1:
+                       pby = p[0]; ptm = pby/2; pty = pby-ptm;
+                       break;
+               case 2:
+                       pty = p[0]; ptm = p[1]; pby = pty + ptm;
+                       break;
+               case 3:
+                       pby = p[0]; pty = p[1]; ptm = p[2];
+                       break;
+               }
+
+               if( pty+ptm > 100 ) {
+                       errno = ERANGE;
+                       perror( "KCONFIG_PROBABILITY" );
+                       exit( 1 );
+               }
+       }
 
        for_all_symbols(i, sym) {
                if (sym_has_value(sym) || (sym->flags & SYMBOL_VALID))
@@ -1189,8 +1232,15 @@ void conf_set_all_new_symbols(enum conf_def_mode mode)
                                sym->def[S_DEF_USER].tri = no;
                                break;
                        case def_random:
-                               cnt = sym->type == S_TRISTATE ? 3 : 2;
-                               sym->def[S_DEF_USER].tri = (tristate)(rand() % cnt);
+                               sym->def[S_DEF_USER].tri = no;
+                               cnt = rand() % 100;
+                               if (sym->type == S_TRISTATE) {
+                                       if (cnt < pty)
+                                               sym->def[S_DEF_USER].tri = yes;
+                                       else if (cnt < (pty+ptm))
+                                               sym->def[S_DEF_USER].tri = mod;
+                               } else if (cnt < pby)
+                                       sym->def[S_DEF_USER].tri = yes;
                                break;
                        default:
                                continue;