From: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Date: Fri, 13 Jan 2006 00:50:32 +0000 (-0800)
Subject: [PATCH] e1000: Fix PHY config for 82573 controller
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=7892f59c5ea86115450293441ca10654168e00da;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git

[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 f853e1064ac..45fa386d212 100644
--- a/drivers/net/e1000/e1000_hw.c
+++ b/drivers/net/e1000/e1000_hw.c
@@ -6722,6 +6722,12 @@ e1000_get_phy_cfg_done(struct e1000_hw *hw)
         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;
 }