From 2a66c9886ff039587169e50014f1d6e95af1d3ae Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Fri, 5 Jun 2015 08:59:48 +0000 Subject: [PATCH] ramips: change ethernet napi interrupt sequence when open device. first ready napi software rx. then enable hardware interrupt. final start software tx queue to send data. Signed-off-by: michael lee SVN-Revision: 45894 --- .../files/drivers/net/ethernet/ralink/ralink_soc_eth.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_soc_eth.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_soc_eth.c index 60c3c91246..bef715b40c 100644 --- a/target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_soc_eth.c +++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_soc_eth.c @@ -1153,7 +1153,6 @@ static int fe_open(struct net_device *dev) goto err_out; spin_lock_irqsave(&priv->page_lock, flags); - napi_enable(&priv->rx_napi); val = FE_TX_WB_DDONE | FE_RX_DMA_EN | FE_TX_DMA_EN; if (priv->flags & FE_FLAG_RX_2B_OFFSET) @@ -1169,8 +1168,9 @@ static int fe_open(struct net_device *dev) if (priv->soc->has_carrier && priv->soc->has_carrier(priv)) netif_carrier_on(dev); - netif_start_queue(dev); + napi_enable(&priv->rx_napi); fe_int_enable(priv->soc->tx_int | priv->soc->rx_int); + netif_start_queue(dev); return 0; @@ -1185,15 +1185,14 @@ static int fe_stop(struct net_device *dev) unsigned long flags; int i; - fe_int_disable(priv->soc->tx_int | priv->soc->rx_int); - netif_tx_disable(dev); + fe_int_disable(priv->soc->tx_int | priv->soc->rx_int); + napi_disable(&priv->rx_napi); if (priv->phy) priv->phy->stop(priv); spin_lock_irqsave(&priv->page_lock, flags); - napi_disable(&priv->rx_napi); fe_reg_w32(fe_reg_r32(FE_REG_PDMA_GLO_CFG) & ~(FE_TX_WB_DDONE | FE_RX_DMA_EN | FE_TX_DMA_EN), -- 2.30.2