thunderbolt: Initialize root switch and ports
This patch adds the structures tb_switch and tb_port as well as code to
initialize the root switch.
Signed-off-by: Andreas Noever <andreas.noever@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/thunderbolt/tb.c b/drivers/thunderbolt/tb.c
index 164dea0..f1b6100 100644
--- a/drivers/thunderbolt/tb.c
+++ b/drivers/thunderbolt/tb.c
@@ -71,6 +71,10 @@
{
mutex_lock(&tb->lock);
+ if (tb->root_switch)
+ tb_switch_free(tb->root_switch);
+ tb->root_switch = NULL;
+
if (tb->ctl) {
tb_ctl_stop(tb->ctl);
tb_ctl_free(tb->ctl);
@@ -126,6 +130,10 @@
*/
tb_ctl_start(tb->ctl);
+ tb->root_switch = tb_switch_alloc(tb, 0);
+ if (!tb->root_switch)
+ goto err_locked;
+
/* Allow tb_handle_hotplug to progress events */
tb->hotplug_active = true;
mutex_unlock(&tb->lock);
