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From: Badhri Jagan Sridharan <badhri@google.com>
To: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Cc: Guenter Roeck <linux@roeck-us.net>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Rob Herring <robh+dt@kernel.org>,
	Adam Thomson <Adam.Thomson.Opensource@diasemi.com>,
	USB <linux-usb@vger.kernel.org>,
	LKML <linux-kernel@vger.kernel.org>,
	"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
	<devicetree@vger.kernel.org>, Kyle Tso <kyletso@google.com>
Subject: Re: [PATCH v2 5/6] usb: typec: tcpm: Allow slow charging loops to comply to pSnkStby
Date: Tue, 13 Apr 2021 17:59:52 -0700
Message-ID: <CAPTae5J2K_=VaL2mQOZxBgaSEGDavW=Rm8XNNDM4n=JPgqbjaw@mail.gmail.com> (raw)
In-Reply-To: <YG69UKTSgyHQHeFd@kuha.fi.intel.com>

On Thu, Apr 8, 2021 at 1:22 AM Heikki Krogerus
<heikki.krogerus@linux.intel.com> wrote:
>
> > > @@ -4047,9 +4053,12 @@ static void run_state_machine(struct tcpm_port *port)
> > >             break;
> > >     case SNK_DISCOVERY:
> > >             if (port->vbus_present) {
> > > -                   tcpm_set_current_limit(port,
> > > -                                          tcpm_get_current_limit(port),
> > > -                                          5000);
> > > +                   u32 current_lim = (!port->slow_charger_loop ||
> > > +                                      (tcpm_get_current_limit(port) <=
> > > +                                       PD_P_SNK_STDBY_MW / 5)) ?
> > > +                           tcpm_get_current_limit(port) :
> > > +                           PD_P_SNK_STDBY_MW / 5;
> >
> > Here the use of the ternary operator is not appropriate. Please try to
> > clean that up somehow. Maybe something like this would be better?
> >
> >                         u32 current_lim = tcpm_get_current_limit(port);
> >
> >                       if (port->slow_charger_loop || (current_lim < PD_P_SNK_STDBY_MW / 5))
> >                               current_lim = PD_P_SNK_STDBY_MW / 5;
>
> Sorry, I mean:
>
>                         if (port->slow_charger_loop || (current_lim > PD_P_SNK_STDBY_MW / 5))
>                                 current_lim = PD_P_SNK_STDBY_MW / 5;

Ack. Updating in my next version: V3.

Thanks,
Badhri

>
> thanks,
>
> --
> heikki

  reply index

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
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 [this message]
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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