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authorKay Sievers <kay.sievers@vrfy.org>2008-05-28 23:06:47 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2008-07-21 21:54:53 -0700
commit22454cb99fc39f2629ad06a7eccb3df312f8830e (patch)
tree9b089d6a0350995899004fee6e9493db0048199c /scripts
parentfc3a8828b139c24aade3f9d608775e36c248f8f5 (diff)
downloadlinux-2.6.34-ux500-22454cb99fc39f2629ad06a7eccb3df312f8830e.tar.gz
pnp: add acpi:* modalias entries
Along with the non-modalias conformant "pnp:*" aliases, we add "acpi:*" entries to PNP drivers, to allow module autoloading by ACPI PNP device entries, which export proper modalias information, without any specific userspace modprobe mangling. Cc: Adam Belay <ambx1@neo.rr.com> Cc: Thomas Renninger <trenn@suse.de> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'scripts')
-rw-r--r--scripts/mod/file2alias.c24
1 files changed, 16 insertions, 8 deletions
diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c
index 37d5c363fbc..1fcaf3284a6 100644
--- a/scripts/mod/file2alias.c
+++ b/scripts/mod/file2alias.c
@@ -340,11 +340,18 @@ static int do_acpi_entry(const char *filename,
}
/* looks like: "pnp:dD" */
-static int do_pnp_entry(const char *filename,
- struct pnp_device_id *id, char *alias)
+static void do_pnp_device_entry(void *symval, unsigned long size,
+ struct module *mod)
{
- sprintf(alias, "pnp:d%s*", id->id);
- return 1;
+ const unsigned long id_size = sizeof(struct pnp_device_id);
+ const struct pnp_device_id *id = symval;
+
+ device_id_check(mod->name, "pnp", size, id_size, symval);
+
+ buf_printf(&mod->dev_table_buf,
+ "MODULE_ALIAS(\"pnp:d%s*\");\n", id->id);
+ buf_printf(&mod->dev_table_buf,
+ "MODULE_ALIAS(\"acpi*:%s:*\");\n", id->id);
}
/* looks like: "pnp:dD" for every device of the card */
@@ -388,9 +395,12 @@ static void do_pnp_card_entries(void *symval, unsigned long size,
}
/* add an individual alias for every device entry */
- if (!dup)
+ if (!dup) {
buf_printf(&mod->dev_table_buf,
"MODULE_ALIAS(\"pnp:d%s*\");\n", id);
+ buf_printf(&mod->dev_table_buf,
+ "MODULE_ALIAS(\"acpi*:%s:*\");\n", id);
+ }
}
}
}
@@ -701,9 +711,7 @@ void handle_moddevtable(struct module *mod, struct elf_info *info,
sizeof(struct acpi_device_id), "acpi",
do_acpi_entry, mod);
else if (sym_is(symname, "__mod_pnp_device_table"))
- do_table(symval, sym->st_size,
- sizeof(struct pnp_device_id), "pnp",
- do_pnp_entry, mod);
+ do_pnp_device_entry(symval, sym->st_size, mod);
else if (sym_is(symname, "__mod_pnp_card_device_table"))
do_pnp_card_entries(symval, sym->st_size, mod);
else if (sym_is(symname, "__mod_pcmcia_device_table"))