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authorAndreas Noever <andreas.noever@gmail.com>2014-06-03 22:04:02 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-06-19 14:07:08 -0700
commita25c8b2fc9636aaf29d9d9d89f92cdfd27a2a23d (patch)
treedb952ae5e1d2897f54751e9d2d4c258dce853a00 /drivers/thunderbolt/tb.c
parent7adf60972c692b0b3d0958cd7322e22a67187111 (diff)
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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>
Diffstat (limited to 'drivers/thunderbolt/tb.c')
-rw-r--r--drivers/thunderbolt/tb.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/thunderbolt/tb.c b/drivers/thunderbolt/tb.c
index 164dea083e9e..f1b6100b6cf0 100644
--- a/drivers/thunderbolt/tb.c
+++ b/drivers/thunderbolt/tb.c
@@ -71,6 +71,10 @@ void thunderbolt_shutdown_and_free(struct tb *tb)
{
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 @@ struct tb *thunderbolt_alloc_and_start(struct tb_nhi *nhi)
*/
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);