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path: root/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
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Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/stmmac_main.c')
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_main.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index d67638c7078e..284c10720daf 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -473,19 +473,18 @@ static void stmmac_get_rx_hwtstamp(struct stmmac_priv *priv, struct dma_desc *p,
struct dma_desc *np, struct sk_buff *skb)
{
struct skb_shared_hwtstamps *shhwtstamp = NULL;
+ struct dma_desc *desc = p;
u64 ns;
if (!priv->hwts_rx_en)
return;
+ /* For GMAC4, the valid timestamp is from CTX next desc. */
+ if (priv->plat->has_gmac4)
+ desc = np;
/* Check if timestamp is available */
- if (priv->hw->desc->get_rx_timestamp_status(p, priv->adv_ts)) {
- /* For GMAC4, the valid timestamp is from CTX next desc. */
- if (priv->plat->has_gmac4)
- ns = priv->hw->desc->get_timestamp(np, priv->adv_ts);
- else
- ns = priv->hw->desc->get_timestamp(p, priv->adv_ts);
-
+ if (priv->hw->desc->get_rx_timestamp_status(desc, priv->adv_ts)) {
+ ns = priv->hw->desc->get_timestamp(desc, priv->adv_ts);
netdev_dbg(priv->dev, "get valid RX hw timestamp %llu\n", ns);
shhwtstamp = skb_hwtstamps(skb);
memset(shhwtstamp, 0, sizeof(struct skb_shared_hwtstamps));

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