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FROMGIT: usb: typec: tcpm: Keep other events when receiving FRS and Sourcing_vbus events

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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: 8dc4bd0736 ("usb: typec: tcpm: Add support for Sink Fast Role SWAP(FRS)")
Cc: stable <stable@vger.kernel.org>
Cc: Badhri Jagan Sridharan <badhri@google.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Badhri Jagan Sridharan <badhri@google.com>
Signed-off-by: Kyle Tso <kyletso@google.com>
Link: https://lore.kernel.org/r/20210803091314.3051302-1-kyletso@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
(cherry picked from commit 43ad944cd73f2360ec8ff31d29ea44830b3119af
 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-linus)
Bug: 194987217
Signed-off-by: Kyle Tso <kyletso@google.com>
Change-Id: Ibb4a2ccd2bbb34e53d4fbe44803aad521bb7029f
This commit is contained in:
Kyle Tso
2021-08-03 17:13:14 +08:00
committed by Greg Kroah-Hartman
parent bed43a725d
commit 8914725a58
1 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/usb/typec/tcpm/tcpm.c
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@@ -5489,7 +5489,7 @@ 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);
}
@@ -5498,7 +5498,7 @@ 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);
}