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    Subject[PATCH 4.19 129/134] drivers: base: Helpers for adding device connection descriptions
    Date
    4.19-stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Heikki Krogerus <heikki.krogerus@linux.intel.com>

    commit cd7753d371388e712e3ee52b693459f9b71aaac2 upstream.

    Introducing helpers for adding and removing multiple device
    connection descriptions at once.

    Acked-by: Hans de Goede <hdegoede@redhat.com>
    Tested-by: Hans de Goede <hdegoede@redhat.com>
    Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    include/linux/device.h | 24 ++++++++++++++++++++++++
    1 file changed, 24 insertions(+)

    --- a/include/linux/device.h
    +++ b/include/linux/device.h
    @@ -774,6 +774,30 @@ void device_connection_add(struct device
    void device_connection_remove(struct device_connection *con);

    /**
    + * device_connections_add - Add multiple device connections at once
    + * @cons: Zero terminated array of device connection descriptors
    + */
    +static inline void device_connections_add(struct device_connection *cons)
    +{
    + struct device_connection *c;
    +
    + for (c = cons; c->endpoint[0]; c++)
    + device_connection_add(c);
    +}
    +
    +/**
    + * device_connections_remove - Remove multiple device connections at once
    + * @cons: Zero terminated array of device connection descriptors
    + */
    +static inline void device_connections_remove(struct device_connection *cons)
    +{
    + struct device_connection *c;
    +
    + for (c = cons; c->endpoint[0]; c++)
    + device_connection_remove(c);
    +}
    +
    +/**
    * enum device_link_state - Device link states.
    * @DL_STATE_NONE: The presence of the drivers is not being tracked.
    * @DL_STATE_DORMANT: None of the supplier/consumer drivers is present.

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