s390/css: introduce cio_register_early_subchannels

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / s390 / cio / cio.c

diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c
index ab99500604b701421e6eb073d77196f55e93df3e..3ab99d88388802e3aaf0866f15aae97ccce868fc 100644 (file)
--- a/drivers/s390/cio/cio.c
+++ b/drivers/s390/cio/cio.c
@@ -749,9 +749,16 @@ int cio_is_console(struct subchannel_id schid)
        return schid_equal(&schid, &console_sch->schid);
 }
 
-struct subchannel *cio_get_console_subchannel(void)
+void cio_register_early_subchannels(void)
 {
-       return console_sch;
+       int ret;
+
+       if (!console_sch)
+               return;
+
+       ret = css_register_subchannel(console_sch);
+       if (ret)
+               put_device(&console_sch->dev);
 }
 #endif /* CONFIG_CCW_CONSOLE */