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path: root/drivers/net/ethernet/stmicro/stmmac/stmmac_est.c
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Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/stmmac_est.c')
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_est.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_est.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_est.c
index 4da6ccc17c20..ac6f2e3a3fcd 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_est.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_est.c
@@ -32,6 +32,11 @@ static int est_configure(struct stmmac_priv *priv, struct stmmac_est *cfg,
int i, ret = 0;
u32 ctrl;
+ if (!ptp_rate) {
+ netdev_warn(priv->dev, "Invalid PTP rate");
+ return -EINVAL;
+ }
+
ret |= est_write(est_addr, EST_BTR_LOW, cfg->btr[0], false);
ret |= est_write(est_addr, EST_BTR_HIGH, cfg->btr[1], false);
ret |= est_write(est_addr, EST_TER, cfg->ter, false);
@@ -81,6 +86,7 @@ static void est_irq_status(struct stmmac_priv *priv, struct net_device *dev,
u32 status, value, feqn, hbfq, hbfs, btrl, btrl_max;
void __iomem *est_addr = priv->estaddr;
u32 txqcnt_mask = BIT(txqcnt) - 1;
+ int i;
status = readl(est_addr + EST_STATUS);
@@ -125,6 +131,11 @@ static void est_irq_status(struct stmmac_priv *priv, struct net_device *dev,
x->mtl_est_hlbf++;
+ for (i = 0; i < txqcnt; i++) {
+ if (feqn & BIT(i))
+ x->mtl_est_txq_hlbf[i]++;
+ }
+
/* Clear Interrupt */
writel(feqn, est_addr + EST_FRM_SZ_ERR);