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| author | Andreas Noever <andreas.noever@gmail.com> | 2014-06-03 22:04:06 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-06-19 14:07:47 -0700 |
| commit | 053596d9e26c86352c4b2b372f43f2746b97de45 (patch) | |
| tree | 7568b6b0dc29e9030bf1d6ffd38f522d6907e980 /drivers/thunderbolt/tb.h | |
| parent | 9da672a42878c58af5c50d7389dbae17bea9df38 (diff) | |
| download | lwn-053596d9e26c86352c4b2b372f43f2746b97de45.tar.gz lwn-053596d9e26c86352c4b2b372f43f2746b97de45.zip | |
thunderbolt: Handle hotplug events
We receive a plug event callback whenever a thunderbolt device is added
or removed. This patch fills in the tb_handle_hotplug method and starts
reacting to these events by adding/removing switches from the hierarchy.
Signed-off-by: Andreas Noever <andreas.noever@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/thunderbolt/tb.h')
| -rw-r--r-- | drivers/thunderbolt/tb.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/thunderbolt/tb.h b/drivers/thunderbolt/tb.h index 70a66fef0177..661f1828527a 100644 --- a/drivers/thunderbolt/tb.h +++ b/drivers/thunderbolt/tb.h @@ -20,6 +20,7 @@ struct tb_switch { struct tb_port *ports; struct tb *tb; int cap_plug_events; /* offset, zero if not found */ + bool is_unplugged; /* unplugged, will go away */ }; /** @@ -160,6 +161,8 @@ void thunderbolt_shutdown_and_free(struct tb *tb); struct tb_switch *tb_switch_alloc(struct tb *tb, u64 route); void tb_switch_free(struct tb_switch *sw); +void tb_sw_set_unpplugged(struct tb_switch *sw); +struct tb_switch *get_switch_at_route(struct tb_switch *sw, u64 route); int tb_wait_for_port(struct tb_port *port, bool wait_if_unplugged); |