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Revert "net: ftgmac100: Ensure tx descriptor updates are visible"

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This reverts commit f48cec25ee.
This commit is contained in:
Ksawlii 2024-11-24 00:23:33 +01:00
parent 41c096fbd1
commit d4c68e1fc4
1 changed files with 8 additions and 18 deletions

10
drivers/net/ethernet/faraday/ftgmac100.c
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@ -653,11 +653,6 @@ static bool ftgmac100_tx_complete_packet(struct ftgmac100 *priv)
ftgmac100_free_tx_packet(priv, pointer, skb, txdes, ctl_stat); ftgmac100_free_tx_packet(priv, pointer, skb, txdes, ctl_stat);
txdes->txdes0 = cpu_to_le32(ctl_stat & priv->txdes0_edotr_mask); txdes->txdes0 = cpu_to_le32(ctl_stat & priv->txdes0_edotr_mask);
/* Ensure the descriptor config is visible before setting the tx
* pointer.
*/
smp_wmb();
priv->tx_clean_pointer = ftgmac100_next_tx_pointer(priv, pointer); priv->tx_clean_pointer = ftgmac100_next_tx_pointer(priv, pointer);
return true; return true;
@ -811,11 +806,6 @@ static netdev_tx_t ftgmac100_hard_start_xmit(struct sk_buff *skb,
dma_wmb(); dma_wmb();
first->txdes0 = cpu_to_le32(f_ctl_stat); first->txdes0 = cpu_to_le32(f_ctl_stat);
/* Ensure the descriptor config is visible before setting the tx
* pointer.
*/
smp_wmb();
/* Update next TX pointer */ /* Update next TX pointer */
priv->tx_pointer = pointer; priv->tx_pointer = pointer;