linux-kernel - Re: [PATCH v1 3/6] usb: typec: tcpm: update power supply once partner accepts

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Message-ID: <CAPTae5+j4JyxMEy2b4x9JG-GWAm4QokPb8nuODhewc3bwJuMQA@mail.gmail.com>
Date:   Wed, 7 Apr 2021 13:11:19 -0700
From:   Badhri Jagan Sridharan <badhri@...gle.com>
To:     Adam Thomson <Adam.Thomson.Opensource@...semi.com>
Cc:     Guenter Roeck <linux@...ck-us.net>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>,
        "linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        Kyle Tso <kyletso@...gle.com>
Subject: Re: [PATCH v1 3/6] usb: typec: tcpm: update power supply once partner accepts

>> The reason for this change is missing in the patch description,
>> or am I missing something ?

Ah yes forgot to state this in the commit description which I have
updated in V2.
Removed a redundant power_supply_changed as one was already made a
couple of lines before this one.

Thanks,
Badhri

On Wed, Apr 7, 2021 at 9:08 AM Adam Thomson
<Adam.Thomson.Opensource@...semi.com> wrote:
>
> On 06 April 2021 02:37, 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.
> >
> > Fixes: f2a8aa053c176 ("typec: tcpm: Represent source supply through
> > power_supply")
> > Signed-off-by: Badhri Jagan Sridharan <badhri@...gle.com>
> > ---
>
> Missing commit information aside:
>
> Reviewed-by: Adam Thomson <Adam.Thomson.Opensource@...semi.com>
>
> >  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 d43774cc2ccf..7708b01009cb 100644
> > --- a/drivers/usb/typec/tcpm/tcpm.c
> > +++ b/drivers/usb/typec/tcpm/tcpm.c
> > @@ -2564,6 +2564,7 @@ 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:
> > @@ -3132,7 +3133,6 @@ 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;
> > @@ -3557,8 +3557,6 @@ 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)
> > --
> > 2.31.0.208.g409f899ff0-goog
>