modpost: fix module autoloading for OF devices with generic compatible property

[deliverable/linux.git] / scripts / mod / file2alias.c

diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c
index 161dd0d67da8a84f0062672cd9125c491a2f58e3..a9155077feefb957d38dc29b4823a9529a7ee0e9 100644 (file)
--- a/scripts/mod/file2alias.c
+++ b/scripts/mod/file2alias.c
@@ -371,6 +371,49 @@ static void do_usb_table(void *symval, unsigned long size,
                do_usb_entry_multi(symval + i, mod);
 }
 
+static void do_of_entry_multi(void *symval, struct module *mod)
+{
+       char alias[500];
+       int len;
+       char *tmp;
+
+       DEF_FIELD_ADDR(symval, of_device_id, name);
+       DEF_FIELD_ADDR(symval, of_device_id, type);
+       DEF_FIELD_ADDR(symval, of_device_id, compatible);
+
+       len = sprintf(alias, "of:N%sT%s", (*name)[0] ? *name : "*",
+                     (*type)[0] ? *type : "*");
+
+       if (compatible[0])
+               sprintf(&alias[len], "%sC%s", (*type)[0] ? "*" : "",
+                       *compatible);
+
+       /* Replace all whitespace with underscores */
+       for (tmp = alias; tmp && *tmp; tmp++)
+               if (isspace(*tmp))
+                       *tmp = '_';
+
+       buf_printf(&mod->dev_table_buf, "MODULE_ALIAS(\"%s\");\n", alias);
+       strcat(alias, "C");
+       add_wildcard(alias);
+       buf_printf(&mod->dev_table_buf, "MODULE_ALIAS(\"%s\");\n", alias);
+}
+
+static void do_of_table(void *symval, unsigned long size,
+                       struct module *mod)
+{
+       unsigned int i;
+       const unsigned long id_size = SIZE_of_device_id;
+
+       device_id_check(mod->name, "of", size, id_size, symval);
+
+       /* Leave last one: it's the terminator. */
+       size -= id_size;
+
+       for (i = 0; i < size; i += id_size)
+               do_of_entry_multi(symval + i, mod);
+}
+
 /* Looks like: hid:bNvNpN */
 static int do_hid_entry(const char *filename,
                             void *symval, char *alias)
@@ -684,30 +727,6 @@ static int do_pcmcia_entry(const char *filename,
 }
 ADD_TO_DEVTABLE("pcmcia", pcmcia_device_id, do_pcmcia_entry);
 
-static int do_of_entry (const char *filename, void *symval, char *alias)
-{
-       int len;
-       char *tmp;
-       DEF_FIELD_ADDR(symval, of_device_id, name);
-       DEF_FIELD_ADDR(symval, of_device_id, type);
-       DEF_FIELD_ADDR(symval, of_device_id, compatible);
-
-       len = sprintf(alias, "of:N%sT%s", (*name)[0] ? *name : "*",
-                     (*type)[0] ? *type : "*");
-
-       if (compatible[0])
-               sprintf(&alias[len], "%sC%s", (*type)[0] ? "*" : "",
-                       *compatible);
-
-       /* Replace all whitespace with underscores */
-       for (tmp = alias; tmp && *tmp; tmp++)
-               if (isspace (*tmp))
-                       *tmp = '_';
-
-       return 1;
-}
-ADD_TO_DEVTABLE("of", of_device_id, do_of_entry);
-
 static int do_vio_entry(const char *filename, void *symval,
                char *alias)
 {
@@ -1348,6 +1367,8 @@ void handle_moddevtable(struct module *mod, struct elf_info *info,
        /* First handle the "special" cases */
        if (sym_is(name, namelen, "usb"))
                do_usb_table(symval, sym->st_size, mod);
+       if (sym_is(name, namelen, "of"))
+               do_of_table(symval, sym->st_size, mod);
        else if (sym_is(name, namelen, "pnp"))
                do_pnp_device_entry(symval, sym->st_size, mod);
        else if (sym_is(name, namelen, "pnp_card"))