Re: [PATCH] usb: typec: tcpm: Keep other events when receiving FRS and Sourcing_vbus events

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On 8/3/21 2:13 AM, Kyle Tso wrote:
When receiving FRS and Sourcing_Vbus events from low-level drivers, keep
other events which come a bit earlier so that they will not be ignored
in the event handler.

Fixes: 8dc4bd073663 ("usb: typec: tcpm: Add support for Sink Fast Role SWAP(FRS)")
Cc: Badhri Jagan Sridharan <badhri@xxxxxxxxxx>
Signed-off-by: Kyle Tso <kyletso@xxxxxxxxxx>

Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>

---
  drivers/usb/typec/tcpm/tcpm.c | 4 ++--
  1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
index 5b22a1c931a9..b9bb63d749ec 100644
--- a/drivers/usb/typec/tcpm/tcpm.c
+++ b/drivers/usb/typec/tcpm/tcpm.c
@@ -5369,7 +5369,7 @@ EXPORT_SYMBOL_GPL(tcpm_pd_hard_reset);
  void tcpm_sink_frs(struct tcpm_port *port)
  {
  	spin_lock(&port->pd_event_lock);
-	port->pd_events = TCPM_FRS_EVENT;
+	port->pd_events |= TCPM_FRS_EVENT;
  	spin_unlock(&port->pd_event_lock);
  	kthread_queue_work(port->wq, &port->event_work);
  }
@@ -5378,7 +5378,7 @@ EXPORT_SYMBOL_GPL(tcpm_sink_frs);
  void tcpm_sourcing_vbus(struct tcpm_port *port)
  {
  	spin_lock(&port->pd_event_lock);
-	port->pd_events = TCPM_SOURCING_VBUS;
+	port->pd_events |= TCPM_SOURCING_VBUS;
  	spin_unlock(&port->pd_event_lock);
  	kthread_queue_work(port->wq, &port->event_work);
  }





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