net: phy: nxp-c45-tja11xx: add remove callback

commit a4506722dc39ca840593f14e3faa4c9ba9408211 upstream.

Unregister PTP clock when the driver is removed.
Purge the RX and TX skb queues.

Fixes: 514def5dd339 ("phy: nxp-c45-tja11xx: add timestamping support")
CC: stable@vger.kernel.org # 5.15+
Signed-off-by: Radu Pirea (OSS) <radu-nicolae.pirea@oss.nxp.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20230406095904.75456-1-radu-nicolae.pirea@oss.nxp.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/net/phy/nxp-c45-tja11xx.c b/drivers/net/phy/nxp-c45-tja11xx.c
index 5813b07..27738d1 100644 (file)
--- a/drivers/net/phy/nxp-c45-tja11xx.c
+++ b/drivers/net/phy/nxp-c45-tja11xx.c
@@ -1337,6 +1337,17 @@ no_ptp_support:
        return ret;
 }
 
+static void nxp_c45_remove(struct phy_device *phydev)
+{
+       struct nxp_c45_phy *priv = phydev->priv;
+
+       if (priv->ptp_clock)
+               ptp_clock_unregister(priv->ptp_clock);
+
+       skb_queue_purge(&priv->tx_queue);
+       skb_queue_purge(&priv->rx_queue);
+}
+
 static struct phy_driver nxp_c45_driver[] = {
        {
                PHY_ID_MATCH_MODEL(PHY_ID_TJA_1103),
@@ -1359,6 +1370,7 @@ static struct phy_driver nxp_c45_driver[] = {
                .set_loopback           = genphy_c45_loopback,
                .get_sqi                = nxp_c45_get_sqi,
                .get_sqi_max            = nxp_c45_get_sqi_max,
+               .remove                 = nxp_c45_remove,
        },
 };