[3/5] igb: increase delay for copper link setup
diff mbox

Message ID 20090401063837.3046.221.stgit@lost.foo-projects.org
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Kirsher, Jeffrey T April 1, 2009, 6:38 a.m. UTC
From: Alexander Duyck <alexander.h.duyck@intel.com>

Increase the delay for copper phy init from 15ms to 100ms.  This is to
address issues seen in which ethtool -t was failing in some cases on 82576
based adapters.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
---

 drivers/net/igb/e1000_phy.c |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)


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Comments

David Miller April 2, 2009, 8 a.m. UTC | #1
From: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Date: Tue, 31 Mar 2009 23:38:38 -0700

> Increase the delay for copper phy init from 15ms to 100ms.  This is to
> address issues seen in which ethtool -t was failing in some cases on 82576
> based adapters.
> 
> Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

Applied.
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Patch
diff mbox

diff --git a/drivers/net/igb/e1000_phy.c b/drivers/net/igb/e1000_phy.c
index de2d486..f50fac2 100644
--- a/drivers/net/igb/e1000_phy.c
+++ b/drivers/net/igb/e1000_phy.c
@@ -448,8 +448,11 @@  s32 igb_copper_link_setup_igp(struct e1000_hw *hw)
 		goto out;
 	}
 
-	/* Wait 15ms for MAC to configure PHY from NVM settings. */
-	msleep(15);
+	/*
+	 * Wait 100ms for MAC to configure PHY from NVM settings, to avoid
+	 * timeout issues when LFS is enabled.
+	 */
+	msleep(100);
 
 	/*
 	 * The NVM settings will configure LPLU in D3 for