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>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/net/e1000/e1000_hw.c b/drivers/net/e1000/e1000_hw.c
index 1ea556ef093b..ea7b371e9119 100644
--- a/drivers/net/e1000/e1000_hw.c
+++ b/drivers/net/e1000/e1000_hw.c
@@ -452,6 +452,12 @@ e1000_set_mac_type(struct e1000_hw *hw)
         if (hw->mac_type >= e1000_82571)
                 hw->has_manc2h = TRUE;
 
+        /* In rare occasions, ESB2 systems would end up started without
+         * the RX unit being turned on.
+         */
+        if (hw->mac_type == e1000_80003es2lan)
+                hw->rx_needs_kicking = TRUE;
+
         return E1000_SUCCESS;
 }