[PATCH 3/3] drivers: net: ethernet: stmmac: fix resume function
From: Bob Liu <hidden>
Date: 2012-05-22 07:38:36
Subsystem:
networking drivers, stmmac ethernet driver, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Maxime Chevallier, Linus Torvalds
After wake up from mem, ping fails to work. This patch fix the resume function in stmmac driver. Signed-off-by: Bob Liu <redacted> --- 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 714faa2..22243a5 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c@@ -1952,6 +1952,15 @@ 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);
--
1.7.0.4