Merge branch 'linus' into oprofile-v2

Conflicts:
	arch/x86/kernel/apic_32.c
	arch/x86/oprofile/nmi_int.c
	include/linux/pci_ids.h

9 files changed, 32 insertions, 221 deletions

diff --git a/drivers/net/igb/e1000_82575.c b/drivers/net/igb/e1000_82575.c
index e098f234770..f5e2e7235fc 100644
--- a/drivers/net/igb/e1000_82575.c
+++ b/drivers/net/igb/e1000_82575.c
@@ -87,7 +87,6 @@ static s32 igb_get_invariants_82575(struct e1000_hw *hw)
 	case E1000_DEV_ID_82576:
 	case E1000_DEV_ID_82576_FIBER:
 	case E1000_DEV_ID_82576_SERDES:
-	case E1000_DEV_ID_82576_QUAD_COPPER:
 		mac->type = e1000_82576;
 		break;
 	default:
@@ -850,7 +849,7 @@ void igb_update_mc_addr_list_82575(struct e1000_hw *hw,
 	for (; mc_addr_count > 0; mc_addr_count--) {
 		hash_value = igb_hash_mc_addr(hw, mc_addr_list);
 		hw_dbg("Hash value = 0x%03X\n", hash_value);
-		hw->mac.ops.mta_set(hw, hash_value);
+		igb_mta_set(hw, hash_value);
 		mc_addr_list += ETH_ALEN;
 	}
 }
@@ -1136,6 +1135,12 @@ static s32 igb_setup_fiber_serdes_link_82575(struct e1000_hw *hw)
 		       E1000_PCS_LCTL_FORCE_LINK;     /* Force Link */
 		hw_dbg("Configuring Forced Link; PCS_LCTL = 0x%08X\n", reg);
 	}
+
+	if (hw->mac.type == e1000_82576) {
+		reg |= E1000_PCS_LCTL_FORCE_FCTRL;
+		igb_force_mac_fc(hw);
+	}
+
 	wr32(E1000_PCS_LCTL, reg);
 
 	return 0;
@@ -1232,70 +1237,6 @@ out:
 }
 
 /**
- *  igb_translate_register_82576 - Translate the proper register offset
- *  @reg: e1000 register to be read
- *
- *  Registers in 82576 are located in different offsets than other adapters
- *  even though they function in the same manner.  This function takes in
- *  the name of the register to read and returns the correct offset for
- *  82576 silicon.
- **/
-u32 igb_translate_register_82576(u32 reg)
-{
-	/*
-	 * Some of the Kawela registers are located at different
-	 * offsets than they are in older adapters.
-	 * Despite the difference in location, the registers
-	 * function in the same manner.
-	 */
-	switch (reg) {
-	case E1000_TDBAL(0):
-		reg = 0x0E000;
-		break;
-	case E1000_TDBAH(0):
-		reg = 0x0E004;
-		break;
-	case E1000_TDLEN(0):
-		reg = 0x0E008;
-		break;
-	case E1000_TDH(0):
-		reg = 0x0E010;
-		break;
-	case E1000_TDT(0):
-		reg = 0x0E018;
-		break;
-	case E1000_TXDCTL(0):
-		reg = 0x0E028;
-		break;
-	case E1000_RDBAL(0):
-		reg = 0x0C000;
-		break;
-	case E1000_RDBAH(0):
-		reg = 0x0C004;
-		break;
-	case E1000_RDLEN(0):
-		reg = 0x0C008;
-		break;
-	case E1000_RDH(0):
-		reg = 0x0C010;
-		break;
-	case E1000_RDT(0):
-		reg = 0x0C018;
-		break;
-	case E1000_RXDCTL(0):
-		reg = 0x0C028;
-		break;
-	case E1000_SRRCTL(0):
-		reg = 0x0C00C;
-		break;
-	default:
-		break;
-	}
-
-	return reg;
-}
-
-/**
  *  igb_reset_init_script_82575 - Inits HW defaults after reset
  *  @hw: pointer to the HW structure
  *
diff --git a/drivers/net/igb/e1000_82575.h b/drivers/net/igb/e1000_82575.h
index 2f848e578a2..c1928b5efe1 100644
--- a/drivers/net/igb/e1000_82575.h
+++ b/drivers/net/igb/e1000_82575.h
@@ -28,7 +28,6 @@
 #ifndef _E1000_82575_H_
 #define _E1000_82575_H_
 
-u32 igb_translate_register_82576(u32 reg);
 void igb_update_mc_addr_list_82575(struct e1000_hw*, u8*, u32, u32, u32);
 extern void igb_shutdown_fiber_serdes_link_82575(struct e1000_hw *hw);
 extern void igb_rx_fifo_flush_82575(struct e1000_hw *hw);
diff --git a/drivers/net/igb/e1000_defines.h b/drivers/net/igb/e1000_defines.h
index afdba3c9073..ce700689fb5 100644
--- a/drivers/net/igb/e1000_defines.h
+++ b/drivers/net/igb/e1000_defines.h
@@ -257,6 +257,7 @@
 #define E1000_PCS_LCTL_FDV_FULL          8
 #define E1000_PCS_LCTL_FSD               0x10
 #define E1000_PCS_LCTL_FORCE_LINK        0x20
+#define E1000_PCS_LCTL_FORCE_FCTRL       0x80
 #define E1000_PCS_LCTL_AN_ENABLE         0x10000
 #define E1000_PCS_LCTL_AN_RESTART        0x20000
 #define E1000_PCS_LCTL_AN_TIMEOUT        0x40000
diff --git a/drivers/net/igb/e1000_hw.h b/drivers/net/igb/e1000_hw.h
index 19fa4ee96f2..99504a600a8 100644
--- a/drivers/net/igb/e1000_hw.h
+++ b/drivers/net/igb/e1000_hw.h
@@ -41,7 +41,6 @@ struct e1000_hw;
 #define E1000_DEV_ID_82576                    0x10C9
 #define E1000_DEV_ID_82576_FIBER              0x10E6
 #define E1000_DEV_ID_82576_SERDES             0x10E7
-#define E1000_DEV_ID_82576_QUAD_COPPER        0x10E8
 #define E1000_DEV_ID_82575EB_COPPER           0x10A7
 #define E1000_DEV_ID_82575EB_FIBER_SERDES     0x10A9
 #define E1000_DEV_ID_82575GB_QUAD_COPPER      0x10D6
@@ -420,7 +419,6 @@ struct e1000_mac_operations {
 	void (*rar_set)(struct e1000_hw *, u8 *, u32);
 	s32  (*read_mac_addr)(struct e1000_hw *);
 	s32  (*get_speed_and_duplex)(struct e1000_hw *, u16 *, u16 *);
-	void (*mta_set)(struct e1000_hw *, u32);
 };
 
 struct e1000_phy_operations {
diff --git a/drivers/net/igb/e1000_mac.c b/drivers/net/igb/e1000_mac.c
index 20408aa1f91..e18747c70be 100644
--- a/drivers/net/igb/e1000_mac.c
+++ b/drivers/net/igb/e1000_mac.c
@@ -144,34 +144,6 @@ void igb_write_vfta(struct e1000_hw *hw, u32 offset, u32 value)
 }
 
 /**
- *  igb_init_rx_addrs - Initialize receive address's
- *  @hw: pointer to the HW structure
- *  @rar_count: receive address registers
- *
- *  Setups the receive address registers by setting the base receive address
- *  register to the devices MAC address and clearing all the other receive
- *  address registers to 0.
- **/
-void igb_init_rx_addrs(struct e1000_hw *hw, u16 rar_count)
-{
-	u32 i;
-
-	/* Setup the receive address */
-	hw_dbg("Programming MAC Address into RAR[0]\n");
-
-	hw->mac.ops.rar_set(hw, hw->mac.addr, 0);
-
-	/* Zero out the other (rar_entry_count - 1) receive addresses */
-	hw_dbg("Clearing RAR[1-%u]\n", rar_count-1);
-	for (i = 1; i < rar_count; i++) {
-		array_wr32(E1000_RA, (i << 1), 0);
-		wrfl();
-		array_wr32(E1000_RA, ((i << 1) + 1), 0);
-		wrfl();
-	}
-}
-
-/**
  *  igb_check_alt_mac_addr - Check for alternate MAC addr
  *  @hw: pointer to the HW structure
  *
@@ -271,7 +243,7 @@ void igb_rar_set(struct e1000_hw *hw, u8 *addr, u32 index)
  *  current value is read, the new bit is OR'd in and the new value is
  *  written back into the register.
  **/
-static void igb_mta_set(struct e1000_hw *hw, u32 hash_value)
+void igb_mta_set(struct e1000_hw *hw, u32 hash_value)
 {
 	u32 hash_bit, hash_reg, mta;
 
@@ -297,60 +269,6 @@ static void igb_mta_set(struct e1000_hw *hw, u32 hash_value)
 }
 
 /**
- *  igb_update_mc_addr_list - Update Multicast addresses
- *  @hw: pointer to the HW structure
- *  @mc_addr_list: array of multicast addresses to program
- *  @mc_addr_count: number of multicast addresses to program
- *  @rar_used_count: the first RAR register free to program
- *  @rar_count: total number of supported Receive Address Registers
- *
- *  Updates the Receive Address Registers and Multicast Table Array.
- *  The caller must have a packed mc_addr_list of multicast addresses.
- *  The parameter rar_count will usually be hw->mac.rar_entry_count
- *  unless there are workarounds that change this.
- **/
-void igb_update_mc_addr_list(struct e1000_hw *hw,
-			       u8 *mc_addr_list, u32 mc_addr_count,
-			       u32 rar_used_count, u32 rar_count)
-{
-	u32 hash_value;
-	u32 i;
-
-	/*
-	 * Load the first set of multicast addresses into the exact
-	 * filters (RAR).  If there are not enough to fill the RAR
-	 * array, clear the filters.
-	 */
-	for (i = rar_used_count; i < rar_count; i++) {
-		if (mc_addr_count) {
-			hw->mac.ops.rar_set(hw, mc_addr_list, i);
-			mc_addr_count--;
-			mc_addr_list += ETH_ALEN;
-		} else {
-			array_wr32(E1000_RA, i << 1, 0);
-			wrfl();
-			array_wr32(E1000_RA, (i << 1) + 1, 0);
-			wrfl();
-		}
-	}
-
-	/* Clear the old settings from the MTA */
-	hw_dbg("Clearing MTA\n");
-	for (i = 0; i < hw->mac.mta_reg_count; i++) {
-		array_wr32(E1000_MTA, i, 0);
-		wrfl();
-	}
-
-	/* Load any remaining multicast addresses into the hash table. */
-	for (; mc_addr_count > 0; mc_addr_count--) {
-		hash_value = igb_hash_mc_addr(hw, mc_addr_list);
-		hw_dbg("Hash value = 0x%03X\n", hash_value);
-		igb_mta_set(hw, hash_value);
-		mc_addr_list += ETH_ALEN;
-	}
-}
-
-/**
  *  igb_hash_mc_addr - Generate a multicast hash value
  *  @hw: pointer to the HW structure
  *  @mc_addr: pointer to a multicast address
diff --git a/drivers/net/igb/e1000_mac.h b/drivers/net/igb/e1000_mac.h
index dc2f8cce15e..cbee6af7d91 100644
--- a/drivers/net/igb/e1000_mac.h
+++ b/drivers/net/igb/e1000_mac.h
@@ -51,9 +51,6 @@ s32  igb_get_speed_and_duplex_copper(struct e1000_hw *hw, u16 *speed,
 				       u16 *duplex);
 s32  igb_id_led_init(struct e1000_hw *hw);
 s32  igb_led_off(struct e1000_hw *hw);
-void igb_update_mc_addr_list(struct e1000_hw *hw,
-			       u8 *mc_addr_list, u32 mc_addr_count,
-			       u32 rar_used_count, u32 rar_count);
 s32  igb_setup_link(struct e1000_hw *hw);
 s32  igb_validate_mdi_setting(struct e1000_hw *hw);
 s32  igb_write_8bit_ctrl_reg(struct e1000_hw *hw, u32 reg,
@@ -62,7 +59,7 @@ s32  igb_write_8bit_ctrl_reg(struct e1000_hw *hw, u32 reg,
 void igb_clear_hw_cntrs_base(struct e1000_hw *hw);
 void igb_clear_vfta(struct e1000_hw *hw);
 void igb_config_collision_dist(struct e1000_hw *hw);
-void igb_init_rx_addrs(struct e1000_hw *hw, u16 rar_count);
+void igb_mta_set(struct e1000_hw *hw, u32 hash_value);
 void igb_put_hw_semaphore(struct e1000_hw *hw);
 void igb_rar_set(struct e1000_hw *hw, u8 *addr, u32 index);
 s32  igb_check_alt_mac_addr(struct e1000_hw *hw);
diff --git a/drivers/net/igb/e1000_regs.h b/drivers/net/igb/e1000_regs.h
index b95093d24c0..95523af2605 100644
--- a/drivers/net/igb/e1000_regs.h
+++ b/drivers/net/igb/e1000_regs.h
@@ -262,9 +262,6 @@
 #define E1000_RETA(_i)  (0x05C00 + ((_i) * 4))
 #define E1000_RSSRK(_i) (0x05C80 + ((_i) * 4)) /* RSS Random Key - RW Array */
 
-#define E1000_REGISTER(a, reg) (((a)->mac.type < e1000_82576) \
-                               ? reg : e1000_translate_register_82576(reg))
-
 #define wr32(reg, value) (writel(value, hw->hw_addr + reg))
 #define rd32(reg) (readl(hw->hw_addr + reg))
 #define wrfl() ((void)rd32(E1000_STATUS))
diff --git a/drivers/net/igb/igb_ethtool.c b/drivers/net/igb/igb_ethtool.c
index 11aee130995..58906c984be 100644
--- a/drivers/net/igb/igb_ethtool.c
+++ b/drivers/net/igb/igb_ethtool.c
@@ -373,13 +373,17 @@ static void igb_get_regs(struct net_device *netdev,
 	regs_buff[12] = rd32(E1000_EECD);
 
 	/* Interrupt */
-	regs_buff[13] = rd32(E1000_EICR);
+	/* Reading EICS for EICR because they read the
+	 * same but EICS does not clear on read */
+	regs_buff[13] = rd32(E1000_EICS);
 	regs_buff[14] = rd32(E1000_EICS);
 	regs_buff[15] = rd32(E1000_EIMS);
 	regs_buff[16] = rd32(E1000_EIMC);
 	regs_buff[17] = rd32(E1000_EIAC);
 	regs_buff[18] = rd32(E1000_EIAM);
-	regs_buff[19] = rd32(E1000_ICR);
+	/* Reading ICS for ICR because they read the
+	 * same but ICS does not clear on read */
+	regs_buff[19] = rd32(E1000_ICS);
 	regs_buff[20] = rd32(E1000_ICS);
 	regs_buff[21] = rd32(E1000_IMS);
 	regs_buff[22] = rd32(E1000_IMC);
@@ -1746,15 +1750,6 @@ static int igb_wol_exclusion(struct igb_adapter *adapter,
 		/* return success for non excluded adapter ports */
 		retval = 0;
 		break;
-	case E1000_DEV_ID_82576_QUAD_COPPER:
-		/* quad port adapters only support WoL on port A */
-		if (!(adapter->flags & IGB_FLAG_QUAD_PORT_A)) {
-			wol->supported = 0;
-			break;
-		}
-		/* return success for non excluded adapter ports */
-		retval = 0;
-		break;
 	default:
 		/* dual port cards only support WoL on port A from now on
 		 * unless it was enabled in the eeprom for port B
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index b602c4dd0d1..93d02efa9a0 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -61,7 +61,6 @@ static struct pci_device_id igb_pci_tbl[] = {
 	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576), board_82575 },
 	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_FIBER), board_82575 },
 	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_SERDES), board_82575 },
-	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_QUAD_COPPER), board_82575 },
 	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82575EB_COPPER), board_82575 },
 	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82575EB_FIBER_SERDES), board_82575 },
 	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82575GB_QUAD_COPPER), board_82575 },
@@ -311,7 +310,7 @@ static void igb_assign_vector(struct igb_adapter *adapter, int rx_queue,
 		array_wr32(E1000_MSIXBM(0), msix_vector, msixbm);
 		break;
 	case e1000_82576:
-		/* Kawela uses a table-based method for assigning vectors.
+		/* The 82576 uses a table-based method for assigning vectors.
 		   Each queue has a single entry in the table to which we write
 		   a vector number along with a "valid" bit.  Sadly, the layout
 		   of the table is somewhat counterintuitive. */
@@ -521,7 +520,7 @@ static void igb_set_interrupt_capability(struct igb_adapter *adapter)
 			      adapter->msix_entries,
 			      numvecs);
 	if (err == 0)
-		return;
+		goto out;
 
 	igb_reset_interrupt_capability(adapter);
 
@@ -531,7 +530,7 @@ msi_only:
 	adapter->num_tx_queues = 1;
 	if (!pci_enable_msi(adapter->pdev))
 		adapter->flags |= IGB_FLAG_HAS_MSI;
-
+out:
 	/* Notify the stack of the (possibly) reduced Tx Queue count. */
 	adapter->netdev->real_num_tx_queues = adapter->num_tx_queues;
 	return;
@@ -720,28 +719,6 @@ static void igb_get_hw_control(struct igb_adapter *adapter)
 			ctrl_ext | E1000_CTRL_EXT_DRV_LOAD);
 }
 
-static void igb_init_manageability(struct igb_adapter *adapter)
-{
-	struct e1000_hw *hw = &adapter->hw;
-
-	if (adapter->en_mng_pt) {
-		u32 manc2h = rd32(E1000_MANC2H);
-		u32 manc = rd32(E1000_MANC);
-
-		/* enable receiving management packets to the host */
-		/* this will probably generate destination unreachable messages
-		 * from the host OS, but the packets will be handled on SMBUS */
-		manc |= E1000_MANC_EN_MNG2HOST;
-#define E1000_MNG2HOST_PORT_623 (1 << 5)
-#define E1000_MNG2HOST_PORT_664 (1 << 6)
-		manc2h |= E1000_MNG2HOST_PORT_623;
-		manc2h |= E1000_MNG2HOST_PORT_664;
-		wr32(E1000_MANC2H, manc2h);
-
-		wr32(E1000_MANC, manc);
-	}
-}
-
 /**
  * igb_configure - configure the hardware for RX and TX
  * @adapter: private board structure
@@ -755,7 +732,6 @@ static void igb_configure(struct igb_adapter *adapter)
 	igb_set_multi(netdev);
 
 	igb_restore_vlan(adapter);
-	igb_init_manageability(adapter);
 
 	igb_configure_tx(adapter);
 	igb_setup_rctl(adapter);
@@ -1240,16 +1216,6 @@ static int __devinit igb_probe(struct pci_dev *pdev,
 		if (rd32(E1000_STATUS) & E1000_STATUS_FUNC_1)
 			adapter->eeprom_wol = 0;
 		break;
-	case E1000_DEV_ID_82576_QUAD_COPPER:
-		/* if quad port adapter, disable WoL on all but port A */
-		if (global_quad_port_a != 0)
-			adapter->eeprom_wol = 0;
-		else
-			adapter->flags |= IGB_FLAG_QUAD_PORT_A;
-		/* Reset for multiple quad port adapters */
-		if (++global_quad_port_a == 4)
-			global_quad_port_a = 0;
-		break;
 	}
 
 	/* initialize the wol settings based on the eeprom settings */
@@ -1372,7 +1338,8 @@ static void __devexit igb_remove(struct pci_dev *pdev)
 
 	unregister_netdev(netdev);
 
-	if (!igb_check_reset_block(&adapter->hw))
+	if (adapter->hw.phy.ops.reset_phy &&
+	    !igb_check_reset_block(&adapter->hw))
 		adapter->hw.phy.ops.reset_phy(&adapter->hw);
 
 	igb_remove_device(&adapter->hw);
@@ -2312,7 +2279,9 @@ static void igb_watchdog_task(struct work_struct *work)
 	struct igb_ring *tx_ring = adapter->tx_ring;
 	struct e1000_mac_info *mac = &adapter->hw.mac;
 	u32 link;
+	u32 eics = 0;
 	s32 ret_val;
+	int i;
 
 	if ((netif_carrier_ok(netdev)) &&
 	    (rd32(E1000_STATUS) & E1000_STATUS_LU))
@@ -2414,7 +2383,13 @@ link_up:
 	}
 
 	/* Cause software interrupt to ensure rx ring is cleaned */
-	wr32(E1000_ICS, E1000_ICS_RXDMT0);
+	if (adapter->msix_entries) {
+		for (i = 0; i < adapter->num_rx_queues; i++)
+			eics |= adapter->rx_ring[i].eims_value;
+		wr32(E1000_EICS, eics);
+	} else {
+		wr32(E1000_ICS, E1000_ICS_RXDMT0);
+	}
 
 	/* Force detection of hung controller every watchdog period */
 	tx_ring->detect_tx_hung = true;
@@ -3588,10 +3563,6 @@ static int igb_clean_rx_ring_msix(struct napi_struct *napi, int budget)
 	struct net_device *netdev = adapter->netdev;
 	int work_done = 0;
 
-	/* Keep link state information with original netdev */
-	if (!netif_carrier_ok(netdev))
-		goto quit_polling;
-
 #ifdef CONFIG_DCA
 	if (adapter->flags & IGB_FLAG_DCA_ENABLED)
 		igb_update_rx_dca(rx_ring);
@@ -3601,7 +3572,6 @@ static int igb_clean_rx_ring_msix(struct napi_struct *napi, int budget)
 
 	/* If not enough Rx work done, exit the polling mode */
 	if ((work_done == 0) || !netif_running(netdev)) {
-quit_polling:
 		netif_rx_complete(netdev, napi);
 
 		if (adapter->itr_setting & 3) {
@@ -3642,16 +3612,14 @@ static bool igb_clean_tx_irq(struct igb_ring *tx_ring)
 	unsigned int i;
 	u32 head, oldhead;
 	unsigned int count = 0;
-	bool cleaned = false;
-	bool retval = true;
 	unsigned int total_bytes = 0, total_packets = 0;
+	bool retval = true;
 
 	rmb();
 	head = get_head(tx_ring);
 	i = tx_ring->next_to_clean;
 	while (1) {
 		while (i != head) {
-			cleaned = true;
 			tx_desc = E1000_TX_DESC(*tx_ring, i);
 			buffer_info = &tx_ring->buffer_info[i];
 			skb = buffer_info->skb;
@@ -3668,7 +3636,6 @@ static bool igb_clean_tx_irq(struct igb_ring *tx_ring)
 			}
 
 			igb_unmap_and_free_tx_resource(adapter, buffer_info);
-			tx_desc->upper.data = 0;
 
 			i++;
 			if (i == tx_ring->count)
@@ -3690,7 +3657,7 @@ static bool igb_clean_tx_irq(struct igb_ring *tx_ring)
 done_cleaning:
 	tx_ring->next_to_clean = i;
 
-	if (unlikely(cleaned &&
+	if (unlikely(count &&
 		     netif_carrier_ok(netdev) &&
 		     IGB_DESC_UNUSED(tx_ring) >= IGB_TX_QUEUE_WAKE)) {
 		/* Make sure that anybody stopping the queue after this
@@ -4523,8 +4490,6 @@ static void igb_io_resume(struct pci_dev *pdev)
 	struct net_device *netdev = pci_get_drvdata(pdev);
 	struct igb_adapter *adapter = netdev_priv(netdev);
 
-	igb_init_manageability(adapter);
-
 	if (netif_running(netdev)) {
 		if (igb_up(adapter)) {
 			dev_err(&pdev->dev, "igb_up failed after reset\n");