From: Guenter Roeck <linux@roeck-us.net>
To: Badhri Jagan Sridharan <badhri@google.com>,
Heikki Krogerus <heikki.krogerus@linux.intel.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Rob Herring <robh+dt@kernel.org>,
Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
devicetree@vger.kernel.org, Kyle Tso <kyletso@google.com>
Subject: Re: [PATCH v2 3/6] usb: typec: tcpm: update power supply once partner accepts
Date: Fri, 9 Apr 2021 19:10:28 -0700 [thread overview]
Message-ID: <747ab19f-39f3-e065-c01f-bf8ea0650e02@roeck-us.net> (raw)
In-Reply-To: <20210407200723.1914388-3-badhri@google.com>
On 4/7/21 1:07 PM, Badhri Jagan Sridharan wrote:
> 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@google.com>
> Reviewed-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
> ---
> Changes since V1:
> * Updated commit description to clarify Guenter Roeck's concern.
> * Added Reviewed-by tags
> ---
> drivers/usb/typec/tcpm/tcpm.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
> index b4a40099d7e9..d1d03ee90d8f 100644
> --- a/drivers/usb/typec/tcpm/tcpm.c
> +++ b/drivers/usb/typec/tcpm/tcpm.c
> @@ -2568,6 +2568,7 @@ static void tcpm_pd_ctrl_request(struct tcpm_port *port,
> 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:
> @@ -3136,7 +3137,6 @@ static unsigned int tcpm_pd_select_pps_apdo(struct tcpm_port *port)
> 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;
> @@ -3561,8 +3561,6 @@ static void tcpm_reset_port(struct tcpm_port *port)
> 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)
>
next prev parent reply other threads:[~2021-04-10 2:10 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-07 20:07 [PATCH v2 1/6] usb: typec: tcpm: Address incorrect values of tcpm psy for fixed supply Badhri Jagan Sridharan
2021-04-07 20:07 ` [PATCH v2 2/6] usb: typec: tcpm: Address incorrect values of tcpm psy for pps supply Badhri Jagan Sridharan
2021-04-08 6:59 ` Heikki Krogerus
2021-04-10 2:10 ` Guenter Roeck
2021-04-07 20:07 ` [PATCH v2 3/6] usb: typec: tcpm: update power supply once partner accepts Badhri Jagan Sridharan
2021-04-08 7:09 ` Heikki Krogerus
2021-04-10 2:10 ` Guenter Roeck [this message]
2021-04-07 20:07 ` [PATCH v2 4/6] usb: typec: tcpm: Honour pSnkStdby requirement during negotiation Badhri Jagan Sridharan
2021-04-08 7:47 ` Heikki Krogerus
2021-04-14 0:58 ` Badhri Jagan Sridharan
2021-04-10 2:11 ` Guenter Roeck
2021-04-07 20:07 ` [PATCH v2 5/6] usb: typec: tcpm: Allow slow charging loops to comply to pSnkStby Badhri Jagan Sridharan
2021-04-08 8:14 ` Heikki Krogerus
2021-04-08 8:22 ` Heikki Krogerus
2021-04-14 0:59 ` Badhri Jagan Sridharan
2021-04-07 20:07 ` [PATCH v2 6/6] Documentation: connector: Add slow-charger-loop definition Badhri Jagan Sridharan
2021-04-09 18:38 ` Rob Herring
2021-04-14 1:27 ` Badhri Jagan Sridharan
2021-04-08 6:51 ` [PATCH v2 1/6] usb: typec: tcpm: Address incorrect values of tcpm psy for fixed supply Heikki Krogerus
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