From bb8e3311ef9de8e72f45f910e4a977c313c7009c Mon Sep 17 00:00:00 2001 From: Jeff Garzik Date: Fri, 15 Dec 2006 11:06:17 -0500 Subject: e1000: workaround for the ESB2 NIC RX unit issue In rare occasions, ESB2 systems would end up started without the RX unit being turned on. Add a check that runs post-init to work around this issue. Originally from Jesse Brandeburg , rewritten to use feature flags by me. Signed-off-by: Jeff Garzik --- drivers/net/e1000/e1000_main.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'drivers/net/e1000/e1000_main.c') diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index 9c2494955bf..343eb68fff7 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -2579,6 +2579,13 @@ e1000_watchdog(unsigned long data) netif_wake_queue(netdev); mod_timer(&adapter->phy_info_timer, jiffies + 2 * HZ); adapter->smartspeed = 0; + } else { + /* make sure the receive unit is started */ + if (adapter->hw.rx_needs_kicking) { + struct e1000_hw *hw = &adapter->hw; + uint32_t rctl = E1000_READ_REG(hw, RCTL); + E1000_WRITE_REG(hw, RCTL, rctl | E1000_RCTL_EN); + } } } else { if (netif_carrier_ok(netdev)) { -- cgit v1.2.2