From patchwork Fri Jul 21 18:36:24 2017
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Subject: [2/5] e1000e: Fix wrong comment related to link detection
From: Benjamin Poirier <bpoirier@suse.com>
X-Patchwork-Id: 9857489
Message-Id: <20170721183627.13373-2-bpoirier@suse.com>
To: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Cc: Lennart Sorensen <lsorense@csclub.uwaterloo.ca>,
 intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org,
 linux-kernel@vger.kernel.org
Date: Fri, 21 Jul 2017 11:36:24 -0700

Reading e1000e_check_for_copper_link() shows that get_link_status is set to
false after link has been detected. Therefore, it stays TRUE until then.

Signed-off-by: Benjamin Poirier <bpoirier@suse.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
---
 drivers/net/ethernet/intel/e1000e/netdev.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/net/ethernet/intel/e1000e/netdev.c
+++ b/drivers/net/ethernet/intel/e1000e/netdev.c
@@ -5082,7 +5082,7 @@ static bool e1000e_has_link(struct e1000
 
 	/* get_link_status is set on LSC (link status) interrupt or
 	 * Rx sequence error interrupt.  get_link_status will stay
-	 * false until the check_for_link establishes link
+	 * true until the check_for_link establishes link
 	 * for copper adapters ONLY
 	 */
 	switch (hw->phy.media_type) {
@@ -5100,7 +5100,7 @@ static bool e1000e_has_link(struct e1000
 		break;
 	case e1000_media_type_internal_serdes:
 		ret_val = hw->mac.ops.check_for_link(hw);
-		link_active = adapter->hw.mac.serdes_has_link;
+		link_active = hw->mac.serdes_has_link;
 		break;
 	default:
 	case e1000_media_type_unknown:
