net: dsa: microchip: let DCB code do PCP and DSCP policy configuration

802.1P (PCP) and DiffServ (DSCP) are handled now by DCB code. Let it do
all needed initial configuration.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Acked-by: Arun Ramadoss <arun.ramadoss@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Author: olerem

drivers/net/dsa/microchip/ksz8795.c

@@ -1565,16 +1565,10 @@ void ksz8_port_setup(struct ksz_device *dev, int port, bool cpu_port)
 
 	ksz8_port_queue_split(dev, port, queues);
 
-	/* disable DiffServ priority */
-	ksz_port_cfg(dev, port, P_PRIO_CTRL, PORT_DIFFSERV_ENABLE, false);
-
 	/* replace priority */
 	ksz_port_cfg(dev, port, P_802_1P_CTRL,
 		     masks[PORT_802_1P_REMAPPING], false);
 
-	/* enable 802.1p priority */
-	ksz_port_cfg(dev, port, P_PRIO_CTRL, PORT_802_1P_ENABLE, true);
-
 	if (cpu_port)
 		member = dsa_user_ports(ds);
 	else

drivers/net/dsa/microchip/ksz9477.c

@@ -1158,18 +1158,12 @@ void ksz9477_port_setup(struct ksz_device *dev, int port, bool cpu_port)
 	/* enable broadcast storm limit */
 	ksz_port_cfg(dev, port, P_BCAST_STORM_CTRL, PORT_BROADCAST_STORM, true);
 
-	/* disable DiffServ priority */
-	ksz_port_cfg(dev, port, P_PRIO_CTRL, PORT_DIFFSERV_PRIO_ENABLE, false);
-
 	/* replace priority */
 	ksz_port_cfg(dev, port, REG_PORT_MRI_MAC_CTRL, PORT_USER_PRIO_CEILING,
 		     false);
 	ksz9477_port_cfg32(dev, port, REG_PORT_MTI_QUEUE_CTRL_0__4,
 			   MTI_PVID_REPLACE, false);
 
-	/* enable 802.1p priority */
-	ksz_port_cfg(dev, port, P_PRIO_CTRL, PORT_802_1P_PRIO_ENABLE, true);
-
 	/* force flow control for non-PHY ports only */
 	ksz_port_cfg(dev, port, REG_PORT_CTRL_0,
 		     PORT_FORCE_TX_FLOW_CTRL | PORT_FORCE_RX_FLOW_CTRL,