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-rw-r--r--scripts/mod/file2alias.c70
1 files changed, 57 insertions, 13 deletions
diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c
index 348d8687b7c9..e04c4218cb52 100644
--- a/scripts/mod/file2alias.c
+++ b/scripts/mod/file2alias.c
@@ -328,19 +328,52 @@ static int do_pnp_entry(const char *filename,
328 return 1; 328 return 1;
329} 329}
330 330
331/* looks like: "pnp:cCdD..." */ 331/* looks like: "pnp:dD" for every device of the card */
332static int do_pnp_card_entry(const char *filename, 332static void do_pnp_card_entries(void *symval, unsigned long size,
333 struct pnp_card_device_id *id, char *alias) 333 struct module *mod)
334{ 334{
335 int i; 335 const unsigned long id_size = sizeof(struct pnp_card_device_id);
336 const unsigned int count = (size / id_size)-1;
337 const struct pnp_card_device_id *cards = symval;
338 unsigned int i;
336 339
337 sprintf(alias, "pnp:c%s", id->id); 340 device_id_check(mod->name, "pnp", size, id_size, symval);
338 for (i = 0; i < PNP_MAX_DEVICES; i++) { 341
339 if (! *id->devs[i].id) 342 for (i = 0; i < count; i++) {
340 break; 343 unsigned int j;
341 sprintf(alias + strlen(alias), "d%s", id->devs[i].id); 344 const struct pnp_card_device_id *card = &cards[i];
345
346 for (j = 0; j < PNP_MAX_DEVICES; j++) {
347 const char *id = (char *)card->devs[j].id;
348 int i2, j2;
349 int dup = 0;
350
351 if (!id[0])
352 break;
353
354 /* find duplicate, already added value */
355 for (i2 = 0; i2 < i && !dup; i2++) {
356 const struct pnp_card_device_id *card2 = &cards[i2];
357
358 for (j2 = 0; j2 < PNP_MAX_DEVICES; j2++) {
359 const char *id2 = (char *)card2->devs[j2].id;
360
361 if (!id2[0])
362 break;
363
364 if (!strcmp(id, id2)) {
365 dup = 1;
366 break;
367 }
368 }
369 }
370
371 /* add an individual alias for every device entry */
372 if (!dup)
373 buf_printf(&mod->dev_table_buf,
374 "MODULE_ALIAS(\"pnp:d%s*\");\n", id);
375 }
342 } 376 }
343 return 1;
344} 377}
345 378
346/* Looks like: pcmcia:mNcNfNfnNpfnNvaNvbNvcNvdN. */ 379/* Looks like: pcmcia:mNcNfNfnNpfnNvaNvbNvcNvdN. */
@@ -543,6 +576,15 @@ static int do_virtio_entry(const char *filename, struct virtio_device_id *id,
543 return 1; 576 return 1;
544} 577}
545 578
579/* Looks like: i2c:S */
580static int do_i2c_entry(const char *filename, struct i2c_device_id *id,
581 char *alias)
582{
583 sprintf(alias, I2C_MODULE_PREFIX "%s", id->name);
584
585 return 1;
586}
587
546/* Ignore any prefix, eg. v850 prepends _ */ 588/* Ignore any prefix, eg. v850 prepends _ */
547static inline int sym_is(const char *symbol, const char *name) 589static inline int sym_is(const char *symbol, const char *name)
548{ 590{
@@ -634,9 +676,7 @@ void handle_moddevtable(struct module *mod, struct elf_info *info,
634 sizeof(struct pnp_device_id), "pnp", 676 sizeof(struct pnp_device_id), "pnp",
635 do_pnp_entry, mod); 677 do_pnp_entry, mod);
636 else if (sym_is(symname, "__mod_pnp_card_device_table")) 678 else if (sym_is(symname, "__mod_pnp_card_device_table"))
637 do_table(symval, sym->st_size, 679 do_pnp_card_entries(symval, sym->st_size, mod);
638 sizeof(struct pnp_card_device_id), "pnp_card",
639 do_pnp_card_entry, mod);
640 else if (sym_is(symname, "__mod_pcmcia_device_table")) 680 else if (sym_is(symname, "__mod_pcmcia_device_table"))
641 do_table(symval, sym->st_size, 681 do_table(symval, sym->st_size,
642 sizeof(struct pcmcia_device_id), "pcmcia", 682 sizeof(struct pcmcia_device_id), "pcmcia",
@@ -673,6 +713,10 @@ void handle_moddevtable(struct module *mod, struct elf_info *info,
673 do_table(symval, sym->st_size, 713 do_table(symval, sym->st_size,
674 sizeof(struct virtio_device_id), "virtio", 714 sizeof(struct virtio_device_id), "virtio",
675 do_virtio_entry, mod); 715 do_virtio_entry, mod);
716 else if (sym_is(symname, "__mod_i2c_device_table"))
717 do_table(symval, sym->st_size,
718 sizeof(struct i2c_device_id), "i2c",
719 do_i2c_entry, mod);
676 free(zeros); 720 free(zeros);
677} 721}
678 722