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Commit 8b59d19e authored by Andrew Lunn's avatar Andrew Lunn Committed by David S. Miller
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dsa: mv88e6xxx: Don't poll forced interfaces for state changes 



When polling for link status, don't consider ports which have a forced
link. Such ports don't monitor their phy or may not even have a phy.

Signed-off-by: default avatarAndrew Lunn <andrew@lunn.ch>
Acked-by: default avatarFlorian Fainelli <f.fainelli@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent e7e72ac0

drivers/net/dsa/mv88e6xxx.c

+5 −0
Original line number Diff line number Diff line
@@ -395,6 +395,7 @@ void mv88e6xxx_poll_link(struct dsa_switch *ds) 
	for (i = 0; i < DSA_MAX_PORTS; i++) {

		struct net_device *dev;

		int uninitialized_var(port_status);

		int pcs_ctrl;

		int link;

		int speed;

		int duplex;
@@ -404,6 +405,10 @@ void mv88e6xxx_poll_link(struct dsa_switch *ds) 
		if (dev == NULL)

			continue;



		pcs_ctrl = mv88e6xxx_reg_read(ds, REG_PORT(i), PORT_PCS_CTRL);

		if (pcs_ctrl < 0 || pcs_ctrl & PORT_PCS_CTRL_FORCE_LINK)

			continue;



		link = 0;

		if (dev->flags & IFF_UP) {

			port_status = mv88e6xxx_reg_read(ds, REG_PORT(i),