linux-kernel - Re: [PATCH v17 2/3] usb: USB Type-C connector class

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Date:   Fri, 21 Apr 2017 06:14:08 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Badhri Jagan Sridharan <badhri@...gle.com>
Cc:     Oliver Neukum <oneukum@...e.com>,
        Mats Karrman <mats.dev.list@...il.com>,
        Greg KH <gregkh@...uxfoundation.org>,
        Felipe Balbi <felipe.balbi@...ux.intel.com>,
        LKML <linux-kernel@...r.kernel.org>,
        USB <linux-usb@...r.kernel.org>
Subject: Re: [PATCH v17 2/3] usb: USB Type-C connector class

On 04/21/2017 05:12 AM, Heikki Krogerus wrote:
> Hi,
>
> On Thu, Apr 20, 2017 at 12:46:59PM -0700, Badhri Jagan Sridharan wrote:
>> Thanks for the responses :)
>>
>> So seems like we have a plan.
>>
>> In Type-C connector class the checks for TYPEC_PWR_MODE_PD
>> and pd_revision for both the port and the partner will be removed in
>> power_role_store and the data_role_store and will be delegated
>> to the low level drivers.
>>
>> TCPM code will issue hard reset in tcpm_dr_set and tcpm_pr_set if
>> current_role is not same as the preferred_role.
>>
>> I am going to make changes in my local kernel code base to start
>> making the corresponding changes in userspace.
>> Should I post-back the local kernel changes or Heikki and Geunter
>> you are planning to upload them ?
>
> Please send a patch for the class at least. I think the changes to the
> tcpm can just be amended still at this point. That is of course up to
> Guenter.
>

I'll try to make the changes and post a new version today.

Guenter