net/hns3: uninitialize PTP

[ upstream commit bfd20b33e752a2597e85283e9fbb134170cce3a0 ]

This patch adds the uninitialization process of PTP in case
of having an impact on PF driver in kernel.

Fixes: 38b539d ("net/hns3: support IEEE 1588 PTP")

Signed-off-by: Huisong Li <lihuisong@huawei.com>
Signed-off-by: Dongdong Liu <liudongdong3@huawei.com>

drivers/net/hns3/hns3_ethdev.c

@@ -4667,6 +4667,7 @@ hns3_init_pf(struct rte_eth_dev *eth_dev)
 	hns3_fdir_filter_uninit(hns);
 err_fdir:
 	hns3_uninit_umv_space(hw);
+	hns3_ptp_uninit(hw);
 err_init_hw:
 	hns3_stats_uninit(hw);
 err_get_config:
@@ -4702,6 +4703,7 @@ hns3_uninit_pf(struct rte_eth_dev *eth_dev)
 	hns3_flow_uninit(eth_dev);
 	hns3_fdir_filter_uninit(hns);
 	hns3_uninit_umv_space(hw);
+	hns3_ptp_uninit(hw);
 	hns3_stats_uninit(hw);
 	hns3_config_mac_tnl_int(hw, false);
 	hns3_pf_disable_irq0(hw);

drivers/net/hns3/hns3_ethdev.h

@@ -1044,6 +1044,7 @@ int hns3_restore_ptp(struct hns3_adapter *hns);
 int hns3_mbuf_dyn_rx_timestamp_register(struct rte_eth_dev *dev,
 				    struct rte_eth_conf *conf);
 int hns3_ptp_init(struct hns3_hw *hw);
+void hns3_ptp_uninit(struct hns3_hw *hw);
 int hns3_timesync_enable(struct rte_eth_dev *dev);
 int hns3_timesync_disable(struct rte_eth_dev *dev);
 int hns3_timesync_read_rx_timestamp(struct rte_eth_dev *dev,

drivers/net/hns3/hns3_ptp.c

@@ -306,3 +306,21 @@ hns3_restore_ptp(struct hns3_adapter *hns)
 
 	return ret;
 }
+
+void
+hns3_ptp_uninit(struct hns3_hw *hw)
+{
+	struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
+	int ret;
+
+	if (!hns3_dev_get_support(hw, PTP))
+		return;
+
+	ret = hns3_ptp_int_en(hw, false);
+	if (ret != 0)
+		hns3_err(hw, "disable PTP interrupt failed, ret = %d.", ret);
+
+	ret = hns3_timesync_configure(hns, false);
+	if (ret != 0)
+		hns3_err(hw, "disable timesync failed, ret = %d.", ret);
+}