[PATCH net] net: phy: nxp-c45-tja11xx: add remove callback

From: Radu Pirea (OSS)
Date: Thu Apr 06 2023 - 06:00:43 EST


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@xxxxxxxxxxxxxxx # 5.15+
Signed-off-by: Radu Pirea (OSS) <radu-nicolae.pirea@xxxxxxxxxxx>
---
drivers/net/phy/nxp-c45-tja11xx.c | 12 ++++++++++++
1 file changed, 12 insertions(+)

diff --git a/drivers/net/phy/nxp-c45-tja11xx.c b/drivers/net/phy/nxp-c45-tja11xx.c
index 5813b07242ce..27738d1ae9ea 100644
--- a/drivers/net/phy/nxp-c45-tja11xx.c
+++ b/drivers/net/phy/nxp-c45-tja11xx.c
@@ -1337,6 +1337,17 @@ static int nxp_c45_probe(struct phy_device *phydev)
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,
},
};

--
2.34.1