[S390] cio: Introduce modalias for css bus.

Add modalias and subchannel type attributes for all subchannels.
I/O subchannel specific attributes are now created in
io_subchannel_probe(). modalias and subchannel type are also
added to the uevent for the css bus. Also make the css modalias
known.

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c
index cea4a790e1e9..37d5c363fbcd 100644
--- a/scripts/mod/file2alias.c
+++ b/scripts/mod/file2alias.c
@@ -304,6 +304,14 @@ static int do_ap_entry(const char *filename,
         return 1;
 }
 
+/* looks like: "css:tN" */
+static int do_css_entry(const char *filename,
+                        struct css_device_id *id, char *alias)
+{
+        sprintf(alias, "css:t%01X", id->type);
+        return 1;
+}
+
 /* Looks like: "serio:tyNprNidNexN" */
 static int do_serio_entry(const char *filename,
                           struct serio_device_id *id, char *alias)
@@ -680,6 +688,10 @@ void handle_moddevtable(struct module *mod, struct elf_info *info,
                 do_table(symval, sym->st_size,
                          sizeof(struct ap_device_id), "ap",
                          do_ap_entry, mod);
+        else if (sym_is(symname, "__mod_css_device_table"))
+                do_table(symval, sym->st_size,
+                         sizeof(struct css_device_id), "css",
+                         do_css_entry, mod);
         else if (sym_is(symname, "__mod_serio_device_table"))
                 do_table(symval, sym->st_size,
                          sizeof(struct serio_device_id), "serio",