linux-kernel - Re: e1000e NVM corruption issue status

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Date:	Thu, 25 Sep 2008 19:10:10 -0700 (Pacific Daylight Time)
From:	"Brandeburg, Jesse" <jesse.brandeburg@...el.com>
To:	"Brandeburg, Jesse" <jesse.brandeburg@...el.com>
cc:	LKML <linux-kernel@...r.kernel.org>, Jiri Kosina <jkosina@...e.cz>,
	agospoda@...hat.com, "Ronciak, John" <john.ronciak@...el.com>,
	"Allan, Bruce W" <bruce.w.allan@...el.com>,
	"Graham, David" <david.graham@...el.com>, kkiel@...e.de,
	tglx@...utronix.de, chris.jones@...onical.com,
	arjan@...ux.jf.intel.com
Subject: Re: e1000e NVM corruption issue status

e1000e: reset swflag after resetting hardware

From: Jesse Brandeburg <jesse.brandeburg@...el.com>

in the process of debugging things, noticed that the swflag is not reset
by the driver after reset, and the swflag is probably not reset unless
management firmware clears it after 100ms.

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@...el.com>
---

 drivers/net/e1000e/ich8lan.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/drivers/net/e1000e/ich8lan.c b/drivers/net/e1000e/ich8lan.c
index f47c60e..f1a6e55 100644
--- a/drivers/net/e1000e/ich8lan.c
+++ b/drivers/net/e1000e/ich8lan.c
@@ -1736,6 +1736,9 @@ static s32 e1000_reset_hw_ich8lan(struct e1000_hw *hw)
 	ew32(CTRL, (ctrl | E1000_CTRL_RST));
 	msleep(20);
 
+	/* release the swflag because it is not reset by hardware reset */
+	e1000_release_swflag_ich8lan(hw);
+
 	ret_val = e1000e_get_auto_rd_done(hw);
 	if (ret_val) {
 		/*
--
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