From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S1755749AbdESIVG (ORCPT <rfc822;w@1wt.eu>);
        Fri, 19 May 2017 04:21:06 -0400
Received: from mga05.intel.com ([192.55.52.43]:60759 "EHLO mga05.intel.com"
        rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
        id S1755716AbdESIVB (ORCPT <rfc822;linux-kernel@vger.kernel.org>);
        Fri, 19 May 2017 04:21:01 -0400
X-ExtLoop1: 1
X-IronPort-AV: E=Sophos;i="5.38,363,1491289200"; 
   d="scan'208";a="1150167094"
Date: Fri, 19 May 2017 11:20:50 +0300
From: Mika Westerberg <mika.westerberg@linux.intel.com>
To: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Andreas Noever <andreas.noever@gmail.com>,
        Michael Jamet <michael.jamet@intel.com>,
        Yehezkel Bernat <yehezkel.bernat@intel.com>,
        Lukas Wunner <lukas@wunner.de>, Amir Levy <amir.jer.levy@intel.com>,
        Andy Lutomirski <luto@kernel.org>,
        Mario Limonciello <Mario.Limonciello@dell.com>,
        Jared.Dominguez@dell.com,
        Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 07/24] thunderbolt: Convert switch to a device
Message-ID: <20170519082050.GE3267@lahna.fi.intel.com>
References: <20170518143914.60902-1-mika.westerberg@linux.intel.com>
 <20170518143914.60902-8-mika.westerberg@linux.intel.com>
 <CAHp75VdXTi7AaKus96OteU=gWBbaTDSN-uLe4zeGJC97ZNXskw@mail.gmail.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <CAHp75VdXTi7AaKus96OteU=gWBbaTDSN-uLe4zeGJC97ZNXskw@mail.gmail.com>
Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo
User-Agent: Mutt/1.7.1 (2016-10-04)
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On Thu, May 18, 2017 at 07:49:21PM +0300, Andy Shevchenko wrote:
> On Thu, May 18, 2017 at 5:38 PM, Mika Westerberg
> <mika.westerberg@linux.intel.com> wrote:
> > Thunderbolt domain consists of switches that are connected to each
> > other, forming a bus. This will convert each switch into a real Linux
> > device structure and adds them to the domain. The advantage here is
> > that we get all the goodies from the driver core, like reference
> > counting and sysfs hierarchy for free.
> >
> > Also expose device identification information to the userspace via new
> > sysfs attributes.
> >
> > In order to support internal connection manager (ICM) we separate switch
> > configuration into its own function (tb_switch_configure()) which is
> > only called by the existing native connection manager implementation
> > used on Macs.
> >
> 
> Couple of nits below.
> 
> > +
> > +       return sw;
> > +err:
> 
> Perhaps
> err_free_sw_ports:
> ?

Works for me :)

> > +       kfree(sw->ports);
> > +       kfree(sw);
> > +       return NULL;
> > +}
> 
> > +       /* upload configuration */
> > +       ret = tb_sw_write(sw, 1 + (u32 *) &sw->config, TB_CFG_SWITCH, 1, 3);
> 
> Extra space before &.

This comes from the original code but I'll change it.

> > +       if (ret)
> > +               return ret;
> 
> -- 
> With Best Regards,
> Andy Shevchenko