linux-kernel - Re: [RFC PATCH 3/4] usb: typec: USB Type-C Port Manager (tcpm)

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Date:	Wed, 3 Aug 2016 11:03:34 -0700
From:	Guenter Roeck <groeck@...gle.com>
To:	Oliver Neukum <oneukum@...e.com>
Cc:	Guenter Roeck <groeck@...omium.org>,
	Felipe Balbi <felipe.balbi@...ux.intel.com>,
	Bin Gao <bin.gao@...el.com>,
	Chandra Sekhar Anagani <chandra.sekhar.anagani@...el.com>,
	Pranav Tipnis <pranav.tipnis@...el.com>,
	Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	linux-usb@...r.kernel.org,
	Bruce Ashfield <bruce.ashfield@...driver.com>
Subject: Re: [RFC PATCH 3/4] usb: typec: USB Type-C Port Manager (tcpm)

On Wed, Aug 3, 2016 at 2:18 AM, Oliver Neukum <oneukum@...e.com> wrote:
> On Tue, 2016-08-02 at 13:32 -0700, Guenter Roeck wrote:
>> +static int tcpm_set_polarity(struct tcpm_port *port,
>> +                            enum typec_cc_polarity polarity)
>> +{
>> +       tcpm_log(port, "polarity %d", polarity);
>> +
>> +       port->polarity = polarity;
>> +
>> +       return port->tcpc->set_polarity(port->tcpc, port->polarity);
>> +}
>
> Here you don't care about the result.

Changed to only set port->polarity if the set_polarity callback was successful.

Thanks,
Guenter