Merge branch 'upstream-net26' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6

drivers/net/arcnet/arcnet.c

@@ -940,7 +940,7 @@ irqreturn_t arcnet_interrupt(int irq, void *dev_id)
 
 			/* is the RECON info empty or old? */
 			if (!lp->first_recon || !lp->last_recon ||
-			    jiffies - lp->last_recon > HZ * 10) {
+			    time_after(jiffies, lp->last_recon + HZ * 10)) {
 				if (lp->network_down)
 					BUGMSG(D_NORMAL, "reconfiguration detected: cabling restored?\n");
 				lp->first_recon = lp->last_recon = jiffies;
@@ -974,7 +974,8 @@ irqreturn_t arcnet_interrupt(int irq, void *dev_id)
 					lp->num_recons = 1;
 				}
 			}
-		} else if (lp->network_down && jiffies - lp->last_recon > HZ * 10) {
+		} else if (lp->network_down &&
+				time_after(jiffies, lp->last_recon + HZ * 10)) {
 			if (lp->network_down)
 				BUGMSG(D_NORMAL, "cabling restored?\n");
 			lp->first_recon = lp->last_recon = 0;

drivers/net/e1000e/Makefile

 ################################################################################
 #
 # Intel PRO/1000 Linux driver
-# Copyright(c) 1999 - 2007 Intel Corporation.
+# Copyright(c) 1999 - 2008 Intel Corporation.
 #
 # This program is free software; you can redistribute it and/or modify it
 # under the terms and conditions of the GNU General Public License,

drivers/net/e1000e/e1000.h

 /*******************************************************************************
 
   Intel PRO/1000 Linux driver
-  Copyright(c) 1999 - 2007 Intel Corporation.
+  Copyright(c) 1999 - 2008 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
@@ -61,7 +61,7 @@ struct e1000_info;
 	ndev_printk(KERN_NOTICE , netdev, format, ## arg)
 
 
-/* TX/RX descriptor defines */
+/* Tx/Rx descriptor defines */
 #define E1000_DEFAULT_TXD		256
 #define E1000_MAX_TXD			4096
 #define E1000_MIN_TXD			80
@@ -114,13 +114,13 @@ struct e1000_buffer {
 	dma_addr_t dma;
 	struct sk_buff *skb;
 	union {
-		/* TX */
+		/* Tx */
 		struct {
 			unsigned long time_stamp;
 			u16 length;
 			u16 next_to_watch;
 		};
-		/* RX */
+		/* Rx */
 		/* arrays of page information for packet split */
 		struct e1000_ps_page *ps_pages;
 	};
@@ -177,7 +177,7 @@ struct e1000_adapter {
 	u16 rx_itr;
 
 	/*
-	 * TX
+	 * Tx
 	 */
 	struct e1000_ring *tx_ring /* One per active queue */
 						____cacheline_aligned_in_smp;
@@ -199,7 +199,7 @@ struct e1000_adapter {
 	unsigned int total_rx_bytes;
 	unsigned int total_rx_packets;
 
-	/* TX stats */
+	/* Tx stats */
 	u64 tpt_old;
 	u64 colc_old;
 	u64 gotcl_old;
@@ -211,7 +211,7 @@ struct e1000_adapter {
 	u32 tx_dma_failed;
 
 	/*
-	 * RX
+	 * Rx
 	 */
 	bool (*clean_rx) (struct e1000_adapter *adapter,
 			  int *work_done, int work_to_do)
@@ -223,7 +223,7 @@ struct e1000_adapter {
 	u32 rx_int_delay;
 	u32 rx_abs_int_delay;
 
-	/* RX stats */
+	/* Rx stats */
 	u64 hw_csum_err;
 	u64 hw_csum_good;
 	u64 rx_hdr_split;
@@ -234,6 +234,8 @@ struct e1000_adapter {
 
 	unsigned int rx_ps_pages;
 	u16 rx_ps_bsize0;
+	u32 max_frame_size;
+	u32 min_frame_size;
 
 	/* OS defined structs */
 	struct net_device *netdev;
@@ -258,7 +260,7 @@ struct e1000_adapter {
 	u32 wol;
 	u32 pba;
 
-	u8 fc_autoneg;
+	bool fc_autoneg;
 
 	unsigned long led_status;
 
@@ -305,6 +307,7 @@ struct e1000_info {
 #define FLAG_MSI_ENABLED                  (1 << 27)
 #define FLAG_RX_CSUM_ENABLED              (1 << 28)
 #define FLAG_TSO_FORCE                    (1 << 29)
+#define FLAG_RX_RESTART_NOW               (1 << 30)
 
 #define E1000_RX_DESC_PS(R, i)	    \
 	(&(((union e1000_rx_desc_packet_split *)((R).desc))[i]))
@@ -387,9 +390,11 @@ extern s32 e1000e_copper_link_setup_igp(struct e1000_hw *hw);
 extern s32 e1000e_setup_link(struct e1000_hw *hw);
 extern void e1000e_clear_vfta(struct e1000_hw *hw);
 extern void e1000e_init_rx_addrs(struct e1000_hw *hw, u16 rar_count);
-extern void e1000e_mc_addr_list_update_generic(struct e1000_hw *hw,
-				       u8 *mc_addr_list, u32 mc_addr_count,
-				       u32 rar_used_count, u32 rar_count);
+extern void e1000e_update_mc_addr_list_generic(struct e1000_hw *hw,
+					       u8 *mc_addr_list,
+					       u32 mc_addr_count,
+					       u32 rar_used_count,
+					       u32 rar_count);
 extern void e1000e_rar_set(struct e1000_hw *hw, u8 *addr, u32 index);
 extern s32 e1000e_set_fc_watermarks(struct e1000_hw *hw);
 extern void e1000e_set_pcie_no_snoop(struct e1000_hw *hw, u32 no_snoop);

drivers/net/e1000e/param.c

 /*******************************************************************************
 
   Intel PRO/1000 Linux driver
-  Copyright(c) 1999 - 2007 Intel Corporation.
+  Copyright(c) 1999 - 2008 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
@@ -30,7 +30,8 @@
 
 #include "e1000.h"
 
-/* This is the only thing that needs to be changed to adjust the
+/*
+ * This is the only thing that needs to be changed to adjust the
  * maximum number of ports that the driver can manage.
  */
 
@@ -46,7 +47,8 @@ module_param(copybreak, uint, 0644);
 MODULE_PARM_DESC(copybreak,
 	"Maximum size of packet that is copied to a new buffer on receive");
 
-/* All parameters are treated the same, as an integer array of values.
+/*
+ * All parameters are treated the same, as an integer array of values.
  * This macro just reduces the need to repeat the same declaration code
  * over and over (plus this helps to avoid typo bugs).
  */
@@ -60,8 +62,9 @@ MODULE_PARM_DESC(copybreak,
 	MODULE_PARM_DESC(X, desc);
 
 
-/* Transmit Interrupt Delay in units of 1.024 microseconds
- *  Tx interrupt delay needs to typically be set to something non zero
+/*
+ * Transmit Interrupt Delay in units of 1.024 microseconds
+ * Tx interrupt delay needs to typically be set to something non zero
  *
  * Valid Range: 0-65535
  */
@@ -70,7 +73,8 @@ E1000_PARAM(TxIntDelay, "Transmit Interrupt Delay");
 #define MAX_TXDELAY 0xFFFF
 #define MIN_TXDELAY 0
 
-/* Transmit Absolute Interrupt Delay in units of 1.024 microseconds
+/*
+ * Transmit Absolute Interrupt Delay in units of 1.024 microseconds
  *
  * Valid Range: 0-65535
  */
@@ -79,8 +83,9 @@ E1000_PARAM(TxAbsIntDelay, "Transmit Absolute Interrupt Delay");
 #define MAX_TXABSDELAY 0xFFFF
 #define MIN_TXABSDELAY 0
 
-/* Receive Interrupt Delay in units of 1.024 microseconds
- *   hardware will likely hang if you set this to anything but zero.
+/*
+ * Receive Interrupt Delay in units of 1.024 microseconds
+ * hardware will likely hang if you set this to anything but zero.
  *
  * Valid Range: 0-65535
  */
@@ -89,7 +94,8 @@ E1000_PARAM(RxIntDelay, "Receive Interrupt Delay");
 #define MAX_RXDELAY 0xFFFF
 #define MIN_RXDELAY 0
 
-/* Receive Absolute Interrupt Delay in units of 1.024 microseconds
+/*
+ * Receive Absolute Interrupt Delay in units of 1.024 microseconds
  *
  * Valid Range: 0-65535
  */
@@ -98,7 +104,8 @@ E1000_PARAM(RxAbsIntDelay, "Receive Absolute Interrupt Delay");
 #define MAX_RXABSDELAY 0xFFFF
 #define MIN_RXABSDELAY 0
 
-/* Interrupt Throttle Rate (interrupts/sec)
+/*
+ * Interrupt Throttle Rate (interrupts/sec)
  *
  * Valid Range: 100-100000 (0=off, 1=dynamic, 3=dynamic conservative)
  */
@@ -107,7 +114,8 @@ E1000_PARAM(InterruptThrottleRate, "Interrupt Throttling Rate");
 #define MAX_ITR 100000
 #define MIN_ITR 100
 
-/* Enable Smart Power Down of the PHY
+/*
+ * Enable Smart Power Down of the PHY
  *
  * Valid Range: 0, 1
  *
@@ -115,7 +123,8 @@ E1000_PARAM(InterruptThrottleRate, "Interrupt Throttling Rate");
  */
 E1000_PARAM(SmartPowerDownEnable, "Enable PHY smart power down");
 
-/* Enable Kumeran Lock Loss workaround
+/*
+ * Enable Kumeran Lock Loss workaround
  *
  * Valid Range: 0, 1
  *

drivers/net/ehea/ehea.h

@@ -421,7 +421,7 @@ struct ehea_fw_handle_entry {
 struct ehea_fw_handle_array {
 	struct ehea_fw_handle_entry *arr;
 	int num_entries;
-	struct semaphore lock;
+	struct mutex lock;
 };
 
 struct ehea_bcmc_reg_entry {
@@ -434,7 +434,7 @@ struct ehea_bcmc_reg_entry {
 struct ehea_bcmc_reg_array {
 	struct ehea_bcmc_reg_entry *arr;
 	int num_entries;
-	struct semaphore lock;
+	struct mutex lock;
 };
 
 #define EHEA_PORT_UP 1
@@ -452,7 +452,7 @@ struct ehea_port {
 	struct vlan_group *vgrp;
 	struct ehea_eq *qp_eq;
 	struct work_struct reset_task;
-	struct semaphore port_lock;
+	struct mutex port_lock;
 	char int_aff_name[EHEA_IRQ_NAME_SIZE];
 	int allmulti;			 /* Indicates IFF_ALLMULTI state */
 	int promisc;		 	 /* Indicates IFF_PROMISC state */

drivers/net/ehea/ehea_main.c

@@ -36,6 +36,7 @@
 #include <linux/notifier.h>
 #include <linux/reboot.h>
 #include <asm/kexec.h>
+#include <linux/mutex.h>
 
 #include <net/ip.h>
 
@@ -99,7 +100,7 @@ static int port_name_cnt;
 static LIST_HEAD(adapter_list);
 u64 ehea_driver_flags;
 struct work_struct ehea_rereg_mr_task;
-struct semaphore dlpar_mem_lock;
+static DEFINE_MUTEX(dlpar_mem_lock);
 struct ehea_fw_handle_array ehea_fw_handles;
 struct ehea_bcmc_reg_array ehea_bcmc_regs;
 
@@ -1758,7 +1759,7 @@ static int ehea_set_mac_addr(struct net_device *dev, void *sa)
 
 	memcpy(dev->dev_addr, mac_addr->sa_data, dev->addr_len);
 
-	down(&ehea_bcmc_regs.lock);
+	mutex_lock(&ehea_bcmc_regs.lock);
 
 	/* Deregister old MAC in pHYP */
 	ret = ehea_broadcast_reg_helper(port, H_DEREG_BCMC);
@@ -1776,7 +1777,7 @@ static int ehea_set_mac_addr(struct net_device *dev, void *sa)
 
 out_upregs:
 	ehea_update_bcmc_registrations();
-	up(&ehea_bcmc_regs.lock);
+	mutex_unlock(&ehea_bcmc_regs.lock);
 out_free:
 	kfree(cb0);
 out:
@@ -1938,7 +1939,7 @@ static void ehea_set_multicast_list(struct net_device *dev)
 	}
 	ehea_promiscuous(dev, 0);
 
-	down(&ehea_bcmc_regs.lock);
+	mutex_lock(&ehea_bcmc_regs.lock);
 
 	if (dev->flags & IFF_ALLMULTI) {
 		ehea_allmulti(dev, 1);
@@ -1969,7 +1970,7 @@ static void ehea_set_multicast_list(struct net_device *dev)
 	}
 out:
 	ehea_update_bcmc_registrations();
-	up(&ehea_bcmc_regs.lock);
+	mutex_unlock(&ehea_bcmc_regs.lock);
 	return;
 }
 
@@ -2452,7 +2453,7 @@ static int ehea_up(struct net_device *dev)
 	if (port->state == EHEA_PORT_UP)
 		return 0;
 
-	down(&ehea_fw_handles.lock);
+	mutex_lock(&ehea_fw_handles.lock);
 
 	ret = ehea_port_res_setup(port, port->num_def_qps,
 				  port->num_add_tx_qps);
@@ -2490,7 +2491,7 @@ static int ehea_up(struct net_device *dev)
 		}
 	}
 
-	down(&ehea_bcmc_regs.lock);
+	mutex_lock(&ehea_bcmc_regs.lock);
 
 	ret = ehea_broadcast_reg_helper(port, H_REG_BCMC);
 	if (ret) {
@@ -2513,10 +2514,10 @@ static int ehea_up(struct net_device *dev)
 		ehea_info("Failed starting %s. ret=%i", dev->name, ret);
 
 	ehea_update_bcmc_registrations();
-	up(&ehea_bcmc_regs.lock);
+	mutex_unlock(&ehea_bcmc_regs.lock);
 
 	ehea_update_firmware_handles();
-	up(&ehea_fw_handles.lock);
+	mutex_unlock(&ehea_fw_handles.lock);
 
 	return ret;
 }
@@ -2542,7 +2543,7 @@ static int ehea_open(struct net_device *dev)
 	int ret;
 	struct ehea_port *port = netdev_priv(dev);
 
-	down(&port->port_lock);
+	mutex_lock(&port->port_lock);
 
 	if (netif_msg_ifup(port))
 		ehea_info("enabling port %s", dev->name);
@@ -2553,7 +2554,7 @@ static int ehea_open(struct net_device *dev)
 		netif_start_queue(dev);
 	}
 
-	up(&port->port_lock);
+	mutex_unlock(&port->port_lock);
 
 	return ret;
 }
@@ -2566,18 +2567,18 @@ static int ehea_down(struct net_device *dev)
 	if (port->state == EHEA_PORT_DOWN)
 		return 0;
 
-	down(&ehea_bcmc_regs.lock);
+	mutex_lock(&ehea_fw_handles.lock);
+
+	mutex_lock(&ehea_bcmc_regs.lock);
 	ehea_drop_multicast_list(dev);
 	ehea_broadcast_reg_helper(port, H_DEREG_BCMC);
 
 	ehea_free_interrupts(dev);
 
-	down(&ehea_fw_handles.lock);
-
 	port->state = EHEA_PORT_DOWN;
 
 	ehea_update_bcmc_registrations();
-	up(&ehea_bcmc_regs.lock);
+	mutex_unlock(&ehea_bcmc_regs.lock);
 
 	ret = ehea_clean_all_portres(port);
 	if (ret)
@@ -2585,7 +2586,7 @@ static int ehea_down(struct net_device *dev)
 			  dev->name, ret);
 
 	ehea_update_firmware_handles();
-	up(&ehea_fw_handles.lock);
+	mutex_unlock(&ehea_fw_handles.lock);
 
 	return ret;
 }
@@ -2599,11 +2600,11 @@ static int ehea_stop(struct net_device *dev)
 		ehea_info("disabling port %s", dev->name);
 
 	flush_scheduled_work();
-	down(&port->port_lock);
+	mutex_lock(&port->port_lock);
 	netif_stop_queue(dev);
 	port_napi_disable(port);
 	ret = ehea_down(dev);
-	up(&port->port_lock);
+	mutex_unlock(&port->port_lock);
 	return ret;
 }
 
@@ -2801,7 +2802,7 @@ static void ehea_reset_port(struct work_struct *work)
 	struct net_device *dev = port->netdev;
 
 	port->resets++;
-	down(&port->port_lock);
+	mutex_lock(&port->port_lock);
 	netif_stop_queue(dev);
 
 	port_napi_disable(port);
@@ -2821,7 +2822,7 @@ static void ehea_reset_port(struct work_struct *work)
 
 	netif_wake_queue(dev);
 out:
-	up(&port->port_lock);
+	mutex_unlock(&port->port_lock);
 	return;
 }
 
@@ -2830,7 +2831,7 @@ static void ehea_rereg_mrs(struct work_struct *work)
 	int ret, i;
 	struct ehea_adapter *adapter;
 
-	down(&dlpar_mem_lock);
+	mutex_lock(&dlpar_mem_lock);
 	ehea_info("LPAR memory enlarged - re-initializing driver");
 
 	list_for_each_entry(adapter, &adapter_list, list)
@@ -2838,21 +2839,23 @@ static void ehea_rereg_mrs(struct work_struct *work)
 			/* Shutdown all ports */
 			for (i = 0; i < EHEA_MAX_PORTS; i++) {
 				struct ehea_port *port = adapter->port[i];
+				struct net_device *dev;
 
-				if (port) {
-					struct net_device *dev = port->netdev;
+				if (!port)
+					continue;
 
-					if (dev->flags & IFF_UP) {
-						down(&port->port_lock);
-						netif_stop_queue(dev);
-						ret = ehea_stop_qps(dev);
-						if (ret) {
-							up(&port->port_lock);
-							goto out;
-						}
-						port_napi_disable(port);
-						up(&port->port_lock);
+				dev = port->netdev;
+
+				if (dev->flags & IFF_UP) {
+					mutex_lock(&port->port_lock);
+					netif_stop_queue(dev);
+					ret = ehea_stop_qps(dev);
+					if (ret) {
+						mutex_unlock(&port->port_lock);
+						goto out;
 					}
+					port_napi_disable(port);
+					mutex_unlock(&port->port_lock);
 				}
 			}
 
@@ -2892,17 +2895,17 @@ static void ehea_rereg_mrs(struct work_struct *work)
 					struct net_device *dev = port->netdev;
 
 					if (dev->flags & IFF_UP) {
-						down(&port->port_lock);
+						mutex_lock(&port->port_lock);
 						port_napi_enable(port);
 						ret = ehea_restart_qps(dev);
 						if (!ret)
 							netif_wake_queue(dev);
-						up(&port->port_lock);
+						mutex_unlock(&port->port_lock);
 					}
 				}
 			}
 		}
-       up(&dlpar_mem_lock);
+       mutex_unlock(&dlpar_mem_lock);
        ehea_info("re-initializing driver complete");
 out:
 	return;
@@ -3063,7 +3066,7 @@ struct ehea_port *ehea_setup_single_port(struct ehea_adapter *adapter,
 
 	port = netdev_priv(dev);
 
-	sema_init(&port->port_lock, 1);
+	mutex_init(&port->port_lock);
 	port->state = EHEA_PORT_DOWN;
 	port->sig_comp_iv = sq_entries / 10;
 
@@ -3342,7 +3345,7 @@ static int __devinit ehea_probe_adapter(struct of_device *dev,
 		ehea_error("Invalid ibmebus device probed");
 		return -EINVAL;
 	}
-	down(&ehea_fw_handles.lock);
+	mutex_lock(&ehea_fw_handles.lock);
 
 	adapter = kzalloc(sizeof(*adapter), GFP_KERNEL);
 	if (!adapter) {
@@ -3426,7 +3429,7 @@ static int __devinit ehea_probe_adapter(struct of_device *dev,
 
 out:
 	ehea_update_firmware_handles();
-	up(&ehea_fw_handles.lock);
+	mutex_unlock(&ehea_fw_handles.lock);
 	return ret;
 }
 
@@ -3445,7 +3448,7 @@ static int __devexit ehea_remove(struct of_device *dev)
 
 	flush_scheduled_work();
 
-	down(&ehea_fw_handles.lock);
+	mutex_lock(&ehea_fw_handles.lock);
 
 	ibmebus_free_irq(adapter->neq->attr.ist1, adapter);
 	tasklet_kill(&adapter->neq_tasklet);
@@ -3456,7 +3459,7 @@ static int __devexit ehea_remove(struct of_device *dev)
 	kfree(adapter);
 
 	ehea_update_firmware_handles();
-	up(&ehea_fw_handles.lock);
+	mutex_unlock(&ehea_fw_handles.lock);
 
 	return 0;
 }
@@ -3543,9 +3546,8 @@ int __init ehea_module_init(void)
 	memset(&ehea_fw_handles, 0, sizeof(ehea_fw_handles));
 	memset(&ehea_bcmc_regs, 0, sizeof(ehea_bcmc_regs));
 
-	sema_init(&dlpar_mem_lock, 1);
-	sema_init(&ehea_fw_handles.lock, 1);
-	sema_init(&ehea_bcmc_regs.lock, 1);
+	mutex_init(&ehea_fw_handles.lock);
+	mutex_init(&ehea_bcmc_regs.lock);
 
 	ret = check_module_parm();
 	if (ret)

drivers/net/ixgbe/ixgbe_main.c

@@ -367,7 +367,7 @@ static int __ixgbe_notify_dca(struct device *dev, void *data)
 		/* Always use CB2 mode, difference is masked
 		 * in the CB driver. */
 		IXGBE_WRITE_REG(&adapter->hw, IXGBE_DCA_CTRL, 2);
-		if (dca_add_requester(dev) == IXGBE_SUCCESS) {
+		if (dca_add_requester(dev) == 0) {
 			ixgbe_setup_dca(adapter);
 			break;
 		}
@@ -381,7 +381,7 @@ static int __ixgbe_notify_dca(struct device *dev, void *data)
 		break;
 	}
 
-	return IXGBE_SUCCESS;
+	return 0;
 }
 
 #endif /* CONFIG_DCA */
@@ -3605,7 +3605,7 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev,
 		goto err_register;
 
 #ifdef CONFIG_DCA
-	if (dca_add_requester(&pdev->dev) == IXGBE_SUCCESS) {
+	if (dca_add_requester(&pdev->dev) == 0) {
 		adapter->flags |= IXGBE_FLAG_DCA_ENABLED;
 		/* always use CB2 mode, difference is masked
 		 * in the CB driver */

drivers/net/tokenring/3c359.c

@@ -42,6 +42,7 @@
 
 #define XL_DEBUG 0
 
+#include <linux/jiffies.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/errno.h>
@@ -408,7 +409,7 @@ static int xl_hw_reset(struct net_device *dev)
 	t=jiffies;
 	while (readw(xl_mmio + MMIO_INTSTATUS) & INTSTAT_CMD_IN_PROGRESS) { 
 		schedule();		
-		if(jiffies-t > 40*HZ) {
+		if (time_after(jiffies, t + 40 * HZ)) {
 			printk(KERN_ERR "%s: 3COM 3C359 Velocity XL  card not responding to global reset.\n", dev->name);
 			return -ENODEV;
 		}
@@ -519,7 +520,7 @@ static int xl_hw_reset(struct net_device *dev)
 	t=jiffies;
 	while ( !(readw(xl_mmio + MMIO_INTSTATUS_AUTO) & INTSTAT_SRB) ) { 
 		schedule();		
-		if(jiffies-t > 15*HZ) {
+		if (time_after(jiffies, t + 15 * HZ)) {
 			printk(KERN_ERR "3COM 3C359 Velocity XL  card not responding.\n");
 			return -ENODEV; 
 		}
@@ -790,7 +791,7 @@ static int xl_open_hw(struct net_device *dev)
 	t=jiffies;
 	while (! (readw(xl_mmio + MMIO_INTSTATUS) & INTSTAT_SRB)) { 
 		schedule();		
-		if(jiffies-t > 40*HZ) {
+		if (time_after(jiffies, t + 40 * HZ)) {
 			printk(KERN_ERR "3COM 3C359 Velocity XL  card not responding.\n");
 			break ; 
 		}
@@ -1003,7 +1004,7 @@ static void xl_reset(struct net_device *dev)
 
 	t=jiffies;
 	while (readw(xl_mmio + MMIO_INTSTATUS) & INTSTAT_CMD_IN_PROGRESS) { 
-		if(jiffies-t > 40*HZ) {
+		if (time_after(jiffies, t + 40 * HZ)) {
 			printk(KERN_ERR "3COM 3C359 Velocity XL  card not responding.\n");
 			break ; 
 		}
@@ -1270,7 +1271,7 @@ static int xl_close(struct net_device *dev)
 	t=jiffies;
 	while (readw(xl_mmio + MMIO_INTSTATUS) & INTSTAT_CMD_IN_PROGRESS) { 
 		schedule();		
-		if(jiffies-t > 10*HZ) {
+		if (time_after(jiffies, t + 10 * HZ)) {
 			printk(KERN_ERR "%s: 3COM 3C359 Velocity XL-DNSTALL not responding.\n", dev->name);
 			break ; 
 		}
@@ -1279,7 +1280,7 @@ static int xl_close(struct net_device *dev)
 	t=jiffies;
 	while (readw(xl_mmio + MMIO_INTSTATUS) & INTSTAT_CMD_IN_PROGRESS) { 
 		schedule();		
-		if(jiffies-t > 10*HZ) {
+		if (time_after(jiffies, t + 10 * HZ)) {
 			printk(KERN_ERR "%s: 3COM 3C359 Velocity XL-DNDISABLE not responding.\n", dev->name);
 			break ;
 		}
@@ -1288,7 +1289,7 @@ static int xl_close(struct net_device *dev)
 	t=jiffies;
 	while (readw(xl_mmio + MMIO_INTSTATUS) & INTSTAT_CMD_IN_PROGRESS) { 
 		schedule();		
-		if(jiffies-t > 10*HZ) {
+		if (time_after(jiffies, t + 10 * HZ)) {
 			printk(KERN_ERR "%s: 3COM 3C359 Velocity XL-UPSTALL not responding.\n", dev->name);
 			break ; 
 		}
@@ -1305,7 +1306,7 @@ static int xl_close(struct net_device *dev)
 	t=jiffies;
 	while (!(readw(xl_mmio + MMIO_INTSTATUS) & INTSTAT_SRB)) { 
 		schedule();		
-		if(jiffies-t > 10*HZ) {
+		if (time_after(jiffies, t + 10 * HZ)) {
 			printk(KERN_ERR "%s: 3COM 3C359 Velocity XL-CLOSENIC not responding.\n", dev->name);
 			break ; 
 		}
@@ -1334,7 +1335,7 @@ static int xl_close(struct net_device *dev)
 	t=jiffies;
 	while (readw(xl_mmio + MMIO_INTSTATUS) & INTSTAT_CMD_IN_PROGRESS) { 
 		schedule();		
-		if(jiffies-t > 10*HZ) {
+		if (time_after(jiffies, t + 10 * HZ)) {
 			printk(KERN_ERR "%s: 3COM 3C359 Velocity XL-UPRESET not responding.\n", dev->name);
 			break ; 
 		}
@@ -1343,7 +1344,7 @@ static int xl_close(struct net_device *dev)
 	t=jiffies;
 	while (readw(xl_mmio + MMIO_INTSTATUS) & INTSTAT_CMD_IN_PROGRESS) { 
 		schedule();		
-		if(jiffies-t > 10*HZ) {
+		if (time_after(jiffies, t + 10 * HZ)) {
 			printk(KERN_ERR "%s: 3COM 3C359 Velocity XL-DNRESET not responding.\n", dev->name);
 			break ; 
 		}

include/linux/arcdevice.h

@@ -283,8 +283,8 @@ struct arcnet_local {
 	int next_buf, first_free_buf;
 
 	/* network "reconfiguration" handling */
-	time_t first_recon,	/* time of "first" RECON message to count */
-		last_recon;	/* time of most recent RECON */
+	unsigned long first_recon; /* time of "first" RECON message to count */
+	unsigned long last_recon;  /* time of most recent RECON */
 	int num_recons;		/* number of RECONs between first and last. */
 	bool network_down;	/* do we think the network is down? */