linux-kernel - [PATCH v3 2/2] e1000e: Don't disable jumbo frames on 82573L due to eeprom contents

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Message-Id: <1265912094-4705-2-git-send-email-mjg@redhat.com>
Date:	Thu, 11 Feb 2010 13:14:54 -0500
From:	Matthew Garrett <mjg@...hat.com>
To:	e1000-devel@...ts.sourceforge.net
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	Matthew Garrett <mjg@...hat.com>
Subject: [PATCH v3 2/2] e1000e: Don't disable jumbo frames on 82573L due to eeprom contents

According to the 82573L errata, jumbo frames will work correctly if ASPM
is disabled. Since we disable ASPM on these devices, leave jumbo frames
enabled.

Signed-off-by: Matthew Garrett <mjg@...hat.com>
---
Updated to provide the right chip name 

 drivers/net/e1000e/82571.c |   11 ++---------
 1 files changed, 2 insertions(+), 9 deletions(-)

diff --git a/drivers/net/e1000e/82571.c b/drivers/net/e1000e/82571.c
index 02d67d0..f26edf7 100644
--- a/drivers/net/e1000e/82571.c
+++ b/drivers/net/e1000e/82571.c
@@ -330,7 +330,6 @@ static s32 e1000_get_variants_82571(struct e1000_adapter *adapter)
 	struct e1000_hw *hw = &adapter->hw;
 	static int global_quad_port_a; /* global port a indication */
 	struct pci_dev *pdev = adapter->pdev;
-	u16 eeprom_data = 0;
 	int is_port_b = er32(STATUS) & E1000_STATUS_FUNC_1;
 	s32 rc;
 
@@ -381,16 +380,10 @@ static s32 e1000_get_variants_82571(struct e1000_adapter *adapter)
 		if (pdev->device == E1000_DEV_ID_82571EB_SERDES_QUAD)
 			adapter->flags &= ~FLAG_HAS_WOL;
 		break;
-
 	case e1000_82573:
 		if (pdev->device == E1000_DEV_ID_82573L) {
-			if (e1000_read_nvm(&adapter->hw, NVM_INIT_3GIO_3, 1,
-				       &eeprom_data) < 0)
-				break;
-			if (!(eeprom_data & NVM_WORD1A_ASPM_MASK)) {
-				adapter->flags |= FLAG_HAS_JUMBO_FRAMES;
-				adapter->max_hw_frame_size = DEFAULT_JUMBO;
-			}
+			adapter->flags |= FLAG_HAS_JUMBO_FRAMES;
+			adapter->max_hw_frame_size = DEFAULT_JUMBO;
 		}
 		break;
 	default:
-- 
1.6.6.1

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