commit: http://blackfin.uclinux.org/git/?p=linux-kernel;a=commitdiff;h=3cb17bc9e9a480e348c18ac75792998f356e147e branch: http://blackfin.uclinux.org/git/?p=linux-kernel;a=shortlog;h=refs/heads/2012R1
After wake up from mem, ping fails to work. This patch fix the resume function in stmmac driver. Signed-off-by: Bob Liu <[email protected]> --- drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 9 +++++++++ 1 files changed, 9 insertions(+), 0 deletions(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 1b26741..7237493 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -2205,6 +2205,15 @@ int stmmac_resume(struct net_device *ndev) priv->hw->mac->pmt(priv->ioaddr, 0); netif_device_attach(ndev); + priv->dirty_tx = 0; + priv->cur_tx = 0; + priv->cur_rx = 0; + priv->dirty_rx = 0; + + /* DMA initialization and SW reset */ + priv->hw->dma->init(priv->ioaddr, priv->plat->pbl, + priv->dma_tx_phy, priv->dma_rx_phy); + priv->hw->mac->core_init(priv->ioaddr); /* Enable the MAC and DMA */ stmmac_set_mac(priv->ioaddr, true);
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