net: stmmac: switch to use interrupt for hw crosstimestamping

[platform/kernel/linux-starfive.git] / drivers / net / ethernet / stmicro / stmmac / stmmac_ptp.c

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c
index e45fb19..4d11980 100644 (file)
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c
@@ -175,11 +175,10 @@ static int stmmac_enable(struct ptp_clock_info *ptp,
        struct stmmac_priv *priv =
            container_of(ptp, struct stmmac_priv, ptp_clock_ops);
        void __iomem *ptpaddr = priv->ptpaddr;
-       void __iomem *ioaddr = priv->hw->pcsr;
        struct stmmac_pps_cfg *cfg;
-       u32 intr_value, acr_value;
        int ret = -EOPNOTSUPP;
        unsigned long flags;
+       u32 acr_value;
 
        switch (rq->type) {
        case PTP_CLK_REQ_PEROUT:
@@ -213,19 +212,10 @@ static int stmmac_enable(struct ptp_clock_info *ptp,
                        netdev_dbg(priv->dev, "Auxiliary Snapshot %d enabled.\n",
                                   priv->plat->ext_snapshot_num >>
                                   PTP_ACR_ATSEN_SHIFT);
-                       /* Enable Timestamp Interrupt */
-                       intr_value = readl(ioaddr + GMAC_INT_EN);
-                       intr_value |= GMAC_INT_TSIE;
-                       writel(intr_value, ioaddr + GMAC_INT_EN);
-
                } else {
                        netdev_dbg(priv->dev, "Auxiliary Snapshot %d disabled.\n",
                                   priv->plat->ext_snapshot_num >>
                                   PTP_ACR_ATSEN_SHIFT);
-                       /* Disable Timestamp Interrupt */
-                       intr_value = readl(ioaddr + GMAC_INT_EN);
-                       intr_value &= ~GMAC_INT_TSIE;
-                       writel(intr_value, ioaddr + GMAC_INT_EN);
                }
                writel(acr_value, ptpaddr + PTP_ACR);
                mutex_unlock(&priv->aux_ts_lock);