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From: Heikki Krogerus <heikki.krogerus@linux.intel.com>
To: Guenter Roeck <linux@roeck-us.net>
Cc: Hans de Goede <hdegoede@redhat.com>, linux-usb@vger.kernel.org
Subject: Re: [PATCH 4/7] usb: typec: tcpm: Start using struct typec_operations
Date: Fri, 4 Oct 2019 11:46:42 +0300
Message-ID: <20191004084642.GG1048@kuha.fi.intel.com> (raw)
In-Reply-To: <84d546e9-2f3f-1c82-97d3-ab1cc0c7d818@roeck-us.net>

On Tue, Oct 01, 2019 at 06:30:42AM -0700, Guenter Roeck wrote:
> > @@ -4082,10 +4074,9 @@ static int tcpm_pr_set(const struct typec_capability *cap,
> >   	return ret;
> >   }
> > -static int tcpm_vconn_set(const struct typec_capability *cap,
> > -			  enum typec_role role)
> > +static int tcpm_vconn_set(struct typec_port *p, bool source)
> >   {
> > -	struct tcpm_port *port = typec_cap_to_tcpm(cap);
> > +	struct tcpm_port *port = typec_get_drvdata(p);
> >   	int ret;
> >   	mutex_lock(&port->swap_lock);
> > @@ -4096,7 +4087,7 @@ static int tcpm_vconn_set(const struct typec_capability *cap,
> >   		goto port_unlock;
> >   	}
> > -	if (role == port->vconn_role) {
> > +	if (source == port->vconn_role) {
> 
> source is boolean, vconn_role is enum typec_role.
> The original typec code took advantage of typec_role == TYPEC_SINK matching false,
> and typec_role == TYPEC_SOURCE matching true, but I don't think it is a good
> idea to carry that down to low level drivers. This will confuse everyone who wants
> to contribute a driver in the future.

OK, I'll keep the parameter as emum typec_role.


thanks,

-- 
heikki

  reply index

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-01  9:48 [PATCH 0/7] usb: typec: Small API improvement Heikki Krogerus
2019-10-01  9:48 ` [PATCH 1/7] usb: typec: Copy everything from struct typec_capability during registration Heikki Krogerus
2019-10-01 13:08   ` Guenter Roeck
2019-10-02 16:06     ` Heikki Krogerus
2019-10-02 16:36       ` Guenter Roeck
2019-10-02 18:29         ` Heikki Krogerus
2019-10-03  3:45           ` Guenter Roeck
2019-10-03  8:03             ` Heikki Krogerus
2019-10-02 19:16       ` Heikki Krogerus
2019-10-03  3:51         ` Guenter Roeck
2019-10-03 13:29           ` Heikki Krogerus
2019-10-01  9:48 ` [PATCH 2/7] usb: typec: Introduce typec_get_drvdata() Heikki Krogerus
2019-10-01  9:48 ` [PATCH 3/7] usb: typec: Separate the operations vector Heikki Krogerus
2019-10-01 13:22   ` Guenter Roeck
2019-10-04  8:45     ` Heikki Krogerus
2019-10-01  9:48 ` [PATCH 4/7] usb: typec: tcpm: Start using struct typec_operations Heikki Krogerus
2019-10-01 13:30   ` Guenter Roeck
2019-10-04  8:46     ` Heikki Krogerus [this message]
2019-10-01  9:48 ` [PATCH 5/7] usb: typec: tps6598x: " Heikki Krogerus
2019-10-01 13:34   ` Guenter Roeck
2019-10-01 13:35   ` Guenter Roeck
2019-10-04  8:49     ` Heikki Krogerus
2019-10-01  9:48 ` [PATCH 6/7] usb: typec: ucsi: " Heikki Krogerus
2019-10-01 13:35   ` Guenter Roeck
2019-10-01  9:48 ` [PATCH 7/7] usb: typec: Remove the callback members from struct typec_capability Heikki Krogerus
2019-10-01 13:37   ` Guenter Roeck

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