greybus: connection: drop the connection_mutex
Drop the useless connection_mutex that did not, and can not be used to prevent connection lookup races in atomic context and therefore serves no purpose. Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Johan Hovold <johan@hovoldconsulting.com> Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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@ -66,8 +66,6 @@ void greybus_data_rcvd(struct gb_host_device *hd, u16 cport_id,
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}
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EXPORT_SYMBOL_GPL(greybus_data_rcvd);
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static DEFINE_MUTEX(connection_mutex);
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static void gb_connection_kref_release(struct kref *kref)
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{
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struct gb_connection *connection;
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@ -75,7 +73,6 @@ static void gb_connection_kref_release(struct kref *kref)
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connection = container_of(kref, struct gb_connection, kref);
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kfree(connection);
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mutex_unlock(&connection_mutex);
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}
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static void gb_connection_init_name(struct gb_connection *connection)
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@ -519,8 +516,7 @@ void gb_connection_destroy(struct gb_connection *connection)
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ida_simple_remove(id_map, connection->hd_cport_id);
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connection->hd_cport_id = CPORT_ID_BAD;
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kref_put_mutex(&connection->kref, gb_connection_kref_release,
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&connection_mutex);
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kref_put(&connection->kref, gb_connection_kref_release);
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}
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void gb_connection_latency_tag_enable(struct gb_connection *connection)
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