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Message-ID: <20240311172306.3911309-1-kyletso@google.com>
Date: Tue, 12 Mar 2024 01:23:06 +0800
From: Kyle Tso <kyletso@...gle.com>
To: linux@...ck-us.net, heikki.krogerus@...ux.intel.com,
gregkh@...uxfoundation.org
Cc: badhri@...gle.com, linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
Kyle Tso <kyletso@...gle.com>, stable@...r.kernel.org
Subject: [PATCH v1] usb: typec: tcpm: Update PD of Type-C port upon pd_set
The PD of Type-C port needs to be updated in pd_set. Unlink the Type-C
port device to the old PD before linking it to a new one.
Fixes: cd099cde4ed2 ("usb: typec: tcpm: Support multiple capabilities")
Cc: stable@...r.kernel.org
Signed-off-by: Kyle Tso <kyletso@...gle.com>
---
drivers/usb/typec/tcpm/tcpm.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
index 3d505614bff1..896f594b9328 100644
--- a/drivers/usb/typec/tcpm/tcpm.c
+++ b/drivers/usb/typec/tcpm/tcpm.c
@@ -6907,7 +6907,9 @@ static int tcpm_pd_set(struct typec_port *p, struct usb_power_delivery *pd)
port->port_source_caps = data->source_cap;
port->port_sink_caps = data->sink_cap;
+ typec_port_set_usb_power_delivery(p, NULL);
port->selected_pd = pd;
+ typec_port_set_usb_power_delivery(p, port->selected_pd);
unlock:
mutex_unlock(&port->lock);
return ret;
--
2.44.0.278.ge034bb2e1d-goog
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