diff options
Diffstat (limited to 'drivers/net/ethernet')
| -rw-r--r-- | drivers/net/ethernet/faraday/ftgmac100.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/net/ethernet/faraday/ftgmac100.c b/drivers/net/ethernet/faraday/ftgmac100.c index add7462bf67d..60f285e444f8 100644 --- a/drivers/net/ethernet/faraday/ftgmac100.c +++ b/drivers/net/ethernet/faraday/ftgmac100.c @@ -485,11 +485,6 @@ static bool ftgmac100_txdes_owned_by_dma(struct ftgmac100_txdes *txdes) static void ftgmac100_txdes_set_dma_own(struct ftgmac100_txdes *txdes) { - /* - * Make sure dma own bit will not be set before any other - * descriptor fields. - */ - wmb(); txdes->txdes0 |= cpu_to_le32(FTGMAC100_TXDES0_TXDMA_OWN); } @@ -679,6 +674,10 @@ static int ftgmac100_hard_start_xmit(struct sk_buff *skb, } } + /* Order the previous packet and descriptor udpates + * before setting the OWN bit. + */ + dma_wmb(); ftgmac100_txdes_set_dma_own(txdes); /* Update next TX pointer */ |