isci: unify port stop handlers

Implement the stop handlers directly in scic_sds_port_stop()

Reported-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Piotr Sawicki <piotr.sawicki@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
diff --git a/drivers/scsi/isci/port.h b/drivers/scsi/isci/port.h
index 2ad2051..843eb62 100644
--- a/drivers/scsi/isci/port.h
+++ b/drivers/scsi/isci/port.h
@@ -313,12 +313,6 @@
 
 struct scic_sds_port_state_handler {
 	/**
-	 * The stop_handler specifies the method invoked when a user
-	 * attempts to stop a port.
-	 */
-	scic_sds_port_handler_t stop_handler;
-
-	/**
 	 * The destruct_handler specifies the method invoked when attempting to
 	 * destruct a port.
 	 */
@@ -412,6 +406,7 @@
 	void __iomem *viit_registers);
 
 enum sci_status scic_sds_port_start(struct scic_sds_port *sci_port);
+enum sci_status scic_sds_port_stop(struct scic_sds_port *sci_port);
 
 enum sci_status scic_sds_port_add_phy(
 	struct scic_sds_port *sci_port,