Thread (2 messages) flat view 2 messages, 2 authors, 2018-12-07
STALE2828d

[PATCH] ucc_geth: Add ucc_geth_change_carrier()

From: Joakim Tjernlund <hidden>
Date: 2018-12-06 15:38:39
Subsystem: freescale quicc engine ucc ethernet driver, networking drivers, the rest · Maintainers: Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds

This allows to control carrier from /sys/class/net/ethX/carrier

Signed-off-by: Joakim Tjernlund <redacted>
---
 drivers/net/ethernet/freescale/ucc_geth.c | 11 +++++++++++
 1 file changed, 11 insertions(+)
diff --git a/drivers/net/ethernet/freescale/ucc_geth.c b/drivers/net/ethernet/freescale/ucc_geth.c
index e8debbde0a34..2f4c2f550be6 100644
--- a/drivers/net/ethernet/freescale/ucc_geth.c
+++ b/drivers/net/ethernet/freescale/ucc_geth.c
@@ -3680,11 +3680,22 @@ static int ucc_geth_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
 	return phy_mii_ioctl(ugeth->phydev, rq, cmd);
 }
 
+static int ucc_geth_change_carrier(struct net_device *dev, bool new_carrier)
+{
+	struct phy_device *phydev = dev->phydev;
+
+	if (phydev && phydev->phy_link_change)
+		phydev->phy_link_change(phydev, new_carrier, 1);
+
+	return 0;
+}
+
 static const struct net_device_ops ucc_geth_netdev_ops = {
 	.ndo_open		= ucc_geth_open,
 	.ndo_stop		= ucc_geth_close,
 	.ndo_start_xmit		= ucc_geth_start_xmit,
 	.ndo_validate_addr	= eth_validate_addr,
+	.ndo_change_carrier     = ucc_geth_change_carrier,
 	.ndo_set_mac_address	= ucc_geth_set_mac_addr,
 	.ndo_set_rx_mode	= ucc_geth_set_multi,
 	.ndo_tx_timeout		= ucc_geth_timeout,
-- 
2.18.1
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