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authorLinus Torvalds <torvalds@linux-foundation.org>2010-08-23 18:30:30 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-23 18:30:30 -0700
commitd1b113bb028999e82a8528e1484be8c23fb5a7d9 (patch)
tree18be926b8f7721e98d6a4517ced58b54937645fb /drivers/net/e1000e
parent9c5ea3675dbe4853eea747542da257c3e6f18de2 (diff)
parentcca77b7c81876d819a5806f408b3c29b5b61a815 (diff)
downloadlinux-d1b113bb028999e82a8528e1484be8c23fb5a7d9.tar.gz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (27 commits)
  netfilter: fix CONFIG_COMPAT support
  isdn/avm: fix build when PCMCIA is not enabled
  header: fix broken headers for user space
  e1000e: don't check for alternate MAC addr on parts that don't support it
  e1000e: disable ASPM L1 on 82573
  ll_temac: Fix poll implementation
  netxen: fix a race in netxen_nic_get_stats()
  qlnic: fix a race in qlcnic_get_stats()
  irda: fix a race in irlan_eth_xmit()
  net: sh_eth: remove unused variable
  netxen: update version 4.0.74
  netxen: fix inconsistent lock state
  vlan: Match underlying dev carrier on vlan add
  ibmveth: Fix opps during MTU change on an active device
  ehea: Fix synchronization between HW and SW send queue
  bnx2x: Update bnx2x version to 1.52.53-4
  bnx2x: Fix PHY locking problem
  rds: fix a leak of kernel memory
  netlink: fix compat recvmsg
  netfilter: fix userspace header warning
  ...
Diffstat (limited to 'drivers/net/e1000e')
-rw-r--r--drivers/net/e1000e/82571.c31
-rw-r--r--drivers/net/e1000e/defines.h4
-rw-r--r--drivers/net/e1000e/lib.c10
3 files changed, 32 insertions, 13 deletions
diff --git a/drivers/net/e1000e/82571.c b/drivers/net/e1000e/82571.c
index a4a0d2b6eb1c..d3d4a57e2450 100644
--- a/drivers/net/e1000e/82571.c
+++ b/drivers/net/e1000e/82571.c
@@ -936,12 +936,14 @@ static s32 e1000_reset_hw_82571(struct e1000_hw *hw)
 	ew32(IMC, 0xffffffff);
 	icr = er32(ICR);
 
-	/* Install any alternate MAC address into RAR0 */
-	ret_val = e1000_check_alt_mac_addr_generic(hw);
-	if (ret_val)
-		return ret_val;
+	if (hw->mac.type == e1000_82571) {
+		/* Install any alternate MAC address into RAR0 */
+		ret_val = e1000_check_alt_mac_addr_generic(hw);
+		if (ret_val)
+			return ret_val;
 
-	e1000e_set_laa_state_82571(hw, true);
+		e1000e_set_laa_state_82571(hw, true);
+	}
 
 	/* Reinitialize the 82571 serdes link state machine */
 	if (hw->phy.media_type == e1000_media_type_internal_serdes)
@@ -1618,14 +1620,16 @@ static s32 e1000_read_mac_addr_82571(struct e1000_hw *hw)
 {
 	s32 ret_val = 0;
 
-	/*
-	 * If there's an alternate MAC address place it in RAR0
-	 * so that it will override the Si installed default perm
-	 * address.
-	 */
-	ret_val = e1000_check_alt_mac_addr_generic(hw);
-	if (ret_val)
-		goto out;
+	if (hw->mac.type == e1000_82571) {
+		/*
+		 * If there's an alternate MAC address place it in RAR0
+		 * so that it will override the Si installed default perm
+		 * address.
+		 */
+		ret_val = e1000_check_alt_mac_addr_generic(hw);
+		if (ret_val)
+			goto out;
+	}
 
 	ret_val = e1000_read_mac_addr_generic(hw);
 
@@ -1833,6 +1837,7 @@ struct e1000_info e1000_82573_info = {
 				  | FLAG_HAS_SMART_POWER_DOWN
 				  | FLAG_HAS_AMT
 				  | FLAG_HAS_SWSM_ON_LOAD,
+	.flags2			= FLAG2_DISABLE_ASPM_L1,
 	.pba			= 20,
 	.max_hw_frame_size	= ETH_FRAME_LEN + ETH_FCS_LEN,
 	.get_variants		= e1000_get_variants_82571,
diff --git a/drivers/net/e1000e/defines.h b/drivers/net/e1000e/defines.h
index 307a72f483ee..93b3bedae8d2 100644
--- a/drivers/net/e1000e/defines.h
+++ b/drivers/net/e1000e/defines.h
@@ -621,6 +621,7 @@
 #define E1000_FLASH_UPDATES  2000
 
 /* NVM Word Offsets */
+#define NVM_COMPAT                 0x0003
 #define NVM_ID_LED_SETTINGS        0x0004
 #define NVM_INIT_CONTROL2_REG      0x000F
 #define NVM_INIT_CONTROL3_PORT_B   0x0014
@@ -643,6 +644,9 @@
 /* Mask bits for fields in Word 0x1a of the NVM */
 #define NVM_WORD1A_ASPM_MASK  0x000C
 
+/* Mask bits for fields in Word 0x03 of the EEPROM */
+#define NVM_COMPAT_LOM    0x0800
+
 /* For checksumming, the sum of all words in the NVM should equal 0xBABA. */
 #define NVM_SUM                    0xBABA
 
diff --git a/drivers/net/e1000e/lib.c b/drivers/net/e1000e/lib.c
index df4a27922931..0fd4eb5ac5fb 100644
--- a/drivers/net/e1000e/lib.c
+++ b/drivers/net/e1000e/lib.c
@@ -183,6 +183,16 @@ s32 e1000_check_alt_mac_addr_generic(struct e1000_hw *hw)
 	u16 offset, nvm_alt_mac_addr_offset, nvm_data;
 	u8 alt_mac_addr[ETH_ALEN];
 
+	ret_val = e1000_read_nvm(hw, NVM_COMPAT, 1, &nvm_data);
+	if (ret_val)
+		goto out;
+
+	/* Check for LOM (vs. NIC) or one of two valid mezzanine cards */
+	if (!((nvm_data & NVM_COMPAT_LOM) ||
+	      (hw->adapter->pdev->device == E1000_DEV_ID_82571EB_SERDES_DUAL) ||
+	      (hw->adapter->pdev->device == E1000_DEV_ID_82571EB_SERDES_QUAD)))
+		goto out;
+
 	ret_val = e1000_read_nvm(hw, NVM_ALT_MAC_ADDR_PTR, 1,
 	                         &nvm_alt_mac_addr_offset);
 	if (ret_val) {