sfc: 10Xpress: Initialise pause advertising flags

The mdio module now handles reconfiguration of pause advertising
through ethtool, but not initialisation.  Add the necessary
initialisation to tenxpress_phy_init().

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/sfc/tenxpress.c

@@ -301,6 +301,7 @@ static int tenxpress_init(struct efx_nic *efx)
 static int tenxpress_phy_init(struct efx_nic *efx)
 {
 	struct tenxpress_phy_data *phy_data;
+	u16 old_adv, adv;
 	int rc = 0;
 
 	phy_data = kzalloc(sizeof(*phy_data), GFP_KERNEL);
@@ -333,6 +334,15 @@ static int tenxpress_phy_init(struct efx_nic *efx)
 	if (rc < 0)
 		goto fail;
 
+	/* Set pause advertising */
+	old_adv = efx_mdio_read(efx, MDIO_MMD_AN, MDIO_AN_ADVERTISE);
+	adv = ((old_adv & ~(ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM)) |
+	       mii_advertise_flowctrl(efx->wanted_fc));
+	if (adv != old_adv) {
+		efx_mdio_write(efx, MDIO_MMD_AN, MDIO_AN_ADVERTISE, adv);
+		mdio45_nway_restart(&efx->mdio);
+	}
+
 	if (efx->phy_type == PHY_TYPE_SFT9001B) {
 		rc = device_create_file(&efx->pci_dev->dev,
 					&dev_attr_phy_short_reach);