This is a note to let you know that I've just added the patch titled usb: typec: tcpm: update power supply once partner accepts to the 5.12-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-power-supply-once-partner-accepts.patch and it can be found in the queue-5.12 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 4050f2683f2c3151dc3dd1501ac88c57caf810ff Mon Sep 17 00:00:00 2001 From: Badhri Jagan Sridharan <badhri@xxxxxxxxxx> Date: Wed, 7 Apr 2021 13:07:20 -0700 Subject: usb: typec: tcpm: update power supply once partner accepts From: Badhri Jagan Sridharan <badhri@xxxxxxxxxx> commit 4050f2683f2c3151dc3dd1501ac88c57caf810ff upstream. power_supply_changed needs to be called to notify clients after the partner accepts the requested values for the pps case. Also, remove the redundant power_supply_changed at the end of the tcpm_reset_port as power_supply_changed is already called right after usb_type is changed. Fixes: f2a8aa053c176 ("typec: tcpm: Represent source supply through power_supply") Signed-off-by: Badhri Jagan Sridharan <badhri@xxxxxxxxxx> Cc: stable <stable@xxxxxxxxxxxxxxx> Reviewed-by: Adam Thomson <Adam.Thomson.Opensource@xxxxxxxxxxx> Reviewed-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20210407200723.1914388-3-badhri@xxxxxxxxxx Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/usb/typec/tcpm/tcpm.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) --- a/drivers/usb/typec/tcpm/tcpm.c +++ b/drivers/usb/typec/tcpm/tcpm.c @@ -2565,6 +2565,7 @@ static void tcpm_pd_ctrl_request(struct port->pps_data.max_curr = port->pps_data.req_max_curr; port->req_supply_voltage = port->pps_data.req_out_volt; port->req_current_limit = port->pps_data.req_op_curr; + power_supply_changed(port->psy); tcpm_set_state(port, SNK_TRANSITION_SINK, 0); break; case SOFT_RESET_SEND: @@ -3133,7 +3134,6 @@ static unsigned int tcpm_pd_select_pps_a port->pps_data.req_out_volt)); port->pps_data.req_op_curr = min(port->pps_data.max_curr, port->pps_data.req_op_curr); - power_supply_changed(port->psy); } return src_pdo; @@ -3554,8 +3554,6 @@ static void tcpm_reset_port(struct tcpm_ port->sink_cap_done = false; if (port->tcpc->enable_frs) port->tcpc->enable_frs(port->tcpc, false); - - power_supply_changed(port->psy); } static void tcpm_detach(struct tcpm_port *port) Patches currently in stable-queue which might be from badhri@xxxxxxxxxx are queue-5.12/usb-typec-tcpm-update-power-supply-once-partner-accepts.patch queue-5.12/usb-typec-tcpm-address-incorrect-values-of-tcpm-psy-for-pps-supply.patch queue-5.12/usb-typec-tcpm-address-incorrect-values-of-tcpm-psy-for-fixed-supply.patch