[PATCH] e1000: Fix PHY config for 82573 controller
Added a delay to allow PHY configuration to complete before accessing NVM.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: John Ronciak <john.ronciak@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
diff --git a/drivers/net/e1000/e1000_hw.c b/drivers/net/e1000/e1000_hw.c
index f853e10..45fa386 100644
--- a/drivers/net/e1000/e1000_hw.c
+++ b/drivers/net/e1000/e1000_hw.c
@@ -6722,6 +6722,12 @@
break;
}
+ /* PHY configuration from NVM just starts after EECD_AUTO_RD sets to high.
+ * Need to wait for PHY configuration completion before accessing NVM
+ * and PHY. */
+ if (hw->mac_type == e1000_82573)
+ msec_delay(25);
+
return E1000_SUCCESS;
}