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SubjectRe: [PATCHv4] usb: typec: Add a sysfs node to manage port type
On Fri, May 26, 2017 at 01:42:57PM -0700, Badhri Jagan Sridharan wrote:
> User space applications in some cases have the need to enforce a
> specific port type(DFP/UFP/DRP). This change allows userspace to
> attempt setting the desired port type. Low level drivers can
> however reject the request if the specific port type is not supported.
>
> Signed-off-by: Badhri Jagan Sridharan <Badhri@google.com>
> ---
> Changelog since v1:
> - introduced a new variable port_type in struct typec_port to track
> the current port type instead of changing type member in
> typec_capability to address Heikki Krogerus comments.
> - changed the output format and strings that would be displayed as
> suggested by Heikki Krogerus.
>
> Changelog since v2:
> - introduced a new mutex lock to protect port_type for addressing
> the race conditions identified by Geunter Roeck
> - added typec_port_types_drp for printing port_type when cap->type
> is TYPE_PORT_DRP as suggested by Geunter Roeck
> - Power role swap and data role swaps would be rejected unless
> port port_type == TYPE_PORT_DRP
> - port_type_store would return immediately if the current port_type
> is same as the new port_type as suggested by Geunter Roeck
>
> Changelog since v3:
> - Moved as much as code outside port_type_lock as suggested by
> Geunter Roeck
> - Removed Change-Id line from commit message identified by
> Greg Kroah-Hartman

Ok, this is how you write a changelog for a patch, very nice job!

greg k-h

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