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| author | Jeff Garzik <jeff@garzik.org> | 2006-12-15 11:06:17 -0500 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2006-12-26 15:51:30 -0500 |
| commit | bb8e3311ef9de8e72f45f910e4a977c313c7009c (patch) | |
| tree | bcf4b5b900face868506bc50a5e7a23338198efb /drivers/net/e1000/e1000_main.c | |
| parent | 72f3ab7462f4e153d1e8ac78e379716ad71d6923 (diff) | |
| download | lwn-bb8e3311ef9de8e72f45f910e4a977c313c7009c.tar.gz lwn-bb8e3311ef9de8e72f45f910e4a977c313c7009c.zip | |
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 <jesse.brandeburg@intel.com>,
rewritten to use feature flags by me.
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net/e1000/e1000_main.c')
| -rw-r--r-- | drivers/net/e1000/e1000_main.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index 9c2494955bfc..343eb68fff73 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)) { |