linux-kernel - Re: [PATCH v2 2/3] usb: roles: intel_xhci: Supplying software node for the role mux

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Date:   Fri, 16 Aug 2019 21:43:52 +0200
From:   Hans de Goede <hdegoede@...hat.com>
To:     Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Andy Shevchenko <andy.shevchenko@...il.com>
Cc:     "Rafael J. Wysocki" <rafael@...nel.org>,
        Andy Shevchenko <andy@...radead.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Darren Hart <dvhart@...radead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 2/3] usb: roles: intel_xhci: Supplying software node
 for the role mux

Hi,

On 8/16/19 3:52 PM, Heikki Krogerus wrote:
> On Fri, Aug 16, 2019 at 04:45:50PM +0300, Andy Shevchenko wrote:
>> On Fri, Aug 16, 2019 at 1:45 PM Heikki Krogerus
>> <heikki.krogerus@...ux.intel.com> wrote:
>>>
>>> The primary purpose for this node will be to allow linking
>>> the users of the switch to it. The users will be for example
>>> USB Type-C connectors. By supplying a reference to this
>>> node in the software nodes representing the USB Type-C
>>> controllers or connectors, the drivers for those devices can
>>> access the switch.
>>
>>> +       ret = software_node_register(&intel_xhci_usb_node);
>>> +       if (ret)
>>> +               return ret;
>>> +
>>> +       sw_desc.set = intel_xhci_usb_set_role,
>>> +       sw_desc.get = intel_xhci_usb_get_role,
>>> +       sw_desc.allow_userspace_control = true,
>>> +       sw_desc.fwnode = software_node_fwnode(&intel_xhci_usb_node);
>>> +
>>>          data->role_sw = usb_role_switch_register(dev, &sw_desc);
>>>          if (IS_ERR(data->role_sw))
>>>                  return PTR_ERR(data->role_sw);
>>
>> Sounds to me like more fwnode_handle_put() calls are missed.
> 
> True. I'll fix it.

I will wait for v3 before testing again then.

Regards,

Hans