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| author | Sam Hurst <shurst@google.com> | 2020-04-10 16:06:05 -0700 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2020-04-12 03:41:36 +0000 |
| commit | 5c947e512c5fc099ef93edcde6444b8279cb41e9 (patch) | |
| tree | 07f9cda558f71cdcd8444e3775bbbf0e9b2d256c /common/usbc/usbc_task.c | |
| parent | 3f2623d4598f13691747ea4980c5edbd362f958c (diff) | |
| download | chrome-ec-5c947e512c5fc099ef93edcde6444b8279cb41e9.tar.gz | |
TCPMv2: Only send TASK_EVENT_WAKE events when SM is paused
If the tc_start_event_loop function is called while the
state machine is not paused, do not send TASK_EVENT_WAKE
events.
BUG=b:153792915
BRANCH=none
TEST=make -j buildall
Change-Id: I425dcb63d2b4d90404c87110094fcfeaf0f53636
Signed-off-by: Sam Hurst <shurst@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2144481
Tested-by: Denis Brockus <dbrockus@chromium.org>
Reviewed-by: Denis Brockus <dbrockus@chromium.org>
Commit-Queue: Denis Brockus <dbrockus@chromium.org>
Diffstat (limited to 'common/usbc/usbc_task.c')
| -rw-r--r-- | common/usbc/usbc_task.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/common/usbc/usbc_task.c b/common/usbc/usbc_task.c index 6dde2712e6..3ba7a81642 100644 --- a/common/usbc/usbc_task.c +++ b/common/usbc/usbc_task.c @@ -48,8 +48,14 @@ void tc_pause_event_loop(int port) void tc_start_event_loop(int port) { - paused[port] = 0; - task_set_event(PD_PORT_TO_TASK_ID(port), TASK_EVENT_WAKE, 0); + /* + * Only generate TASK_EVENT_WAKE event if state + * machine is transitioning to un-paused + */ + if (paused[port]) { + paused[port] = 0; + task_set_event(PD_PORT_TO_TASK_ID(port), TASK_EVENT_WAKE, 0); + } } /* High-priority interrupt tasks implementations */ |