This is a note to let you know that I've just added the patch titled
usb: typec: tcpm: Update PD of Type-C port upon pd_set
to the 6.8-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
usb-typec-tcpm-update-pd-of-type-c-port-upon-pd_set.patch
and it can be found in the queue-6.8 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 17af5050dead6cbcca12c1fcd17e0bb8bb284eae Mon Sep 17 00:00:00 2001
From: Kyle Tso <kyletso@xxxxxxxxxx>
Date: Tue, 12 Mar 2024 01:23:06 +0800
Subject: usb: typec: tcpm: Update PD of Type-C port upon pd_set
From: Kyle Tso <kyletso@xxxxxxxxxx>
commit 17af5050dead6cbcca12c1fcd17e0bb8bb284eae upstream.
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@xxxxxxxxxxxxxxx
Signed-off-by: Kyle Tso <kyletso@xxxxxxxxxx>
Acked-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20240311172306.3911309-1-kyletso@xxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/usb/typec/tcpm/tcpm.c | 2 ++
1 file changed, 2 insertions(+)
--- a/drivers/usb/typec/tcpm/tcpm.c
+++ b/drivers/usb/typec/tcpm/tcpm.c
@@ -6166,7 +6166,9 @@ static int tcpm_pd_set(struct typec_port
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;
Patches currently in stable-queue which might be from kyletso@xxxxxxxxxx are
queue-6.8/usb-typec-tcpm-correct-port-source-pdo-array-in-pd_set-callback.patch
queue-6.8/usb-typec-return-size-of-buffer-if-pd_set-operation-succeeds.patch
queue-6.8/usb-typec-tcpm-update-pd-of-type-c-port-upon-pd_set.patch
