[PATCH] drivers/net: fix-up schedule_timeout() usage
Nishanth Aravamudan [Sun, 11 Sep 2005 09:09:55 +0000 (02:09 -0700)]
Use schedule_timeout_interruptible() instead of
set_current_state()/schedule_timeout() to reduce kernel size.

Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Cc: Jeff Garzik <jgarzik@pobox.com>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>

17 files changed:
drivers/net/8139cp.c
drivers/net/hp100.c
drivers/net/irda/stir4200.c
drivers/net/ixgb/ixgb_ethtool.c
drivers/net/ns83820.c
drivers/net/tokenring/ibmtr.c
drivers/net/tokenring/olympic.c
drivers/net/tokenring/tms380tr.c
drivers/net/typhoon.c
drivers/net/wan/cosa.c
drivers/net/wan/dscc4.c
drivers/net/wan/farsync.c
drivers/net/wireless/ipw2100.c
drivers/net/wireless/prism54/islpci_dev.c
drivers/net/wireless/prism54/islpci_mgt.c
include/linux/ibmtr.h
include/linux/netdevice.h

index ebc20d9..bd99c26 100644 (file)
@@ -1029,8 +1029,7 @@ static void cp_reset_hw (struct cp_private *cp)
                if (!(cpr8(Cmd) & CmdReset))
                        return;
 
-               set_current_state(TASK_UNINTERRUPTIBLE);
-               schedule_timeout(10);
+               schedule_timeout_uninterruptible(10);
        }
 
        printk(KERN_ERR "%s: hardware reset timeout\n", cp->dev->name);
index cf0ac6f..b71fab6 100644 (file)
@@ -2517,10 +2517,8 @@ static int hp100_down_vg_link(struct net_device *dev)
        do {
                if (hp100_inb(VG_LAN_CFG_1) & HP100_LINK_CABLE_ST)
                        break;
-               if (!in_interrupt()) {
-                       set_current_state(TASK_INTERRUPTIBLE);
-                       schedule_timeout(1);
-               }
+               if (!in_interrupt())
+                       schedule_timeout_interruptible(1);
        } while (time_after(time, jiffies));
 
        if (time_after_eq(jiffies, time))       /* no signal->no logout */
@@ -2536,10 +2534,8 @@ static int hp100_down_vg_link(struct net_device *dev)
        do {
                if (!(hp100_inb(VG_LAN_CFG_1) & HP100_LINK_UP_ST))
                        break;
-               if (!in_interrupt()) {
-                       set_current_state(TASK_INTERRUPTIBLE);
-                       schedule_timeout(1);
-               }
+               if (!in_interrupt())
+                       schedule_timeout_interruptible(1);
        } while (time_after(time, jiffies));
 
 #ifdef HP100_DEBUG
@@ -2577,10 +2573,8 @@ static int hp100_down_vg_link(struct net_device *dev)
                do {
                        if (!(hp100_inb(MAC_CFG_4) & HP100_MAC_SEL_ST))
                                break;
-                       if (!in_interrupt()) {
-                               set_current_state(TASK_INTERRUPTIBLE);
-                               schedule_timeout(1);
-                       }
+                       if (!in_interrupt())
+                               schedule_timeout_interruptible(1);
                } while (time_after(time, jiffies));
 
                hp100_orb(HP100_AUTO_MODE, MAC_CFG_3);  /* Autosel back on */
@@ -2591,10 +2585,8 @@ static int hp100_down_vg_link(struct net_device *dev)
        do {
                if ((hp100_inb(VG_LAN_CFG_1) & HP100_LINK_CABLE_ST) == 0)
                        break;
-               if (!in_interrupt()) {
-                       set_current_state(TASK_INTERRUPTIBLE);
-                       schedule_timeout(1);
-               }
+               if (!in_interrupt())
+                       schedule_timeout_interruptible(1);
        } while (time_after(time, jiffies));
 
        if (time_before_eq(time, jiffies)) {
@@ -2606,10 +2598,8 @@ static int hp100_down_vg_link(struct net_device *dev)
 
        time = jiffies + (2 * HZ);      /* This seems to take a while.... */
        do {
-               if (!in_interrupt()) {
-                       set_current_state(TASK_INTERRUPTIBLE);
-                       schedule_timeout(1);
-               }
+               if (!in_interrupt())
+                       schedule_timeout_interruptible(1);
        } while (time_after(time, jiffies));
 
        return 0;
@@ -2659,10 +2649,8 @@ static int hp100_login_to_vg_hub(struct net_device *dev, u_short force_relogin)
                do {
                        if (~(hp100_inb(VG_LAN_CFG_1) & HP100_LINK_UP_ST))
                                break;
-                       if (!in_interrupt()) {
-                               set_current_state(TASK_INTERRUPTIBLE);
-                               schedule_timeout(1);
-                       }
+                       if (!in_interrupt())
+                               schedule_timeout_interruptible(1);
                } while (time_after(time, jiffies));
 
                /* Start an addressed training and optionally request promiscuous port */
@@ -2697,10 +2685,8 @@ static int hp100_login_to_vg_hub(struct net_device *dev, u_short force_relogin)
                do {
                        if (hp100_inb(VG_LAN_CFG_1) & HP100_LINK_CABLE_ST)
                                break;
-                       if (!in_interrupt()) {
-                               set_current_state(TASK_INTERRUPTIBLE);
-                               schedule_timeout(1);
-                       }
+                       if (!in_interrupt())
+                               schedule_timeout_interruptible(1);
                } while (time_before(jiffies, time));
 
                if (time_after_eq(jiffies, time)) {
@@ -2723,10 +2709,8 @@ static int hp100_login_to_vg_hub(struct net_device *dev, u_short force_relogin)
 #endif
                                        break;
                                }
-                               if (!in_interrupt()) {
-                                       set_current_state(TASK_INTERRUPTIBLE);
-                                       schedule_timeout(1);
-                               }
+                               if (!in_interrupt())
+                                       schedule_timeout_interruptible(1);
                        } while (time_after(time, jiffies));
                }
 
index 15f2073..3961a75 100644 (file)
@@ -678,10 +678,9 @@ static void turnaround_delay(const struct stir_cb *stir, long us)
                return;
 
        ticks = us / (1000000 / HZ);
-       if (ticks > 0) {
-               current->state = TASK_INTERRUPTIBLE;
-               schedule_timeout(1 + ticks);
-       } else
+       if (ticks > 0)
+               schedule_timeout_interruptible(1 + ticks);
+       else
                udelay(us);
 }
 
index 319ee4c..04e4718 100644 (file)
@@ -645,11 +645,10 @@ ixgb_phys_id(struct net_device *netdev, uint32_t data)
 
        mod_timer(&adapter->blink_timer, jiffies);
 
-       set_current_state(TASK_INTERRUPTIBLE);
-       if(data)
-               schedule_timeout(data * HZ);
+       if (data)
+               schedule_timeout_interruptible(data * HZ);
        else
-               schedule_timeout(MAX_SCHEDULE_TIMEOUT);
+               schedule_timeout_interruptible(MAX_SCHEDULE_TIMEOUT);
 
        del_timer_sync(&adapter->blink_timer);
        ixgb_led_off(&adapter->hw);
index e64df4d..ed72a23 100644 (file)
@@ -1632,8 +1632,7 @@ static void ns83820_run_bist(struct net_device *ndev, const char *name, u32 enab
                        timed_out = 1;
                        break;
                }
-               set_current_state(TASK_UNINTERRUPTIBLE);
-               schedule_timeout(1);
+               schedule_timeout_uninterruptible(1);
        }
 
        if (status & fail)
index e7b0010..8154bbb 100644 (file)
@@ -318,7 +318,7 @@ static void ibmtr_cleanup_card(struct net_device *dev)
        if (dev->base_addr) {
                outb(0,dev->base_addr+ADAPTRESET);
                
-               schedule_timeout(TR_RST_TIME); /* wait 50ms */
+               schedule_timeout_uninterruptible(TR_RST_TIME); /* wait 50ms */
 
                outb(0,dev->base_addr+ADAPTRESETREL);
        }
@@ -859,8 +859,7 @@ static int tok_init_card(struct net_device *dev)
        writeb(~INT_ENABLE, ti->mmio + ACA_OFFSET + ACA_RESET + ISRP_EVEN);
        outb(0, PIOaddr + ADAPTRESET);
 
-       current->state=TASK_UNINTERRUPTIBLE;
-       schedule_timeout(TR_RST_TIME); /* wait 50ms */
+       schedule_timeout_uninterruptible(TR_RST_TIME); /* wait 50ms */
 
        outb(0, PIOaddr + ADAPTRESETREL);
 #ifdef ENABLE_PAGING
@@ -908,8 +907,8 @@ static int tok_open(struct net_device *dev)
                        DPRINTK("Adapter is up and running\n");
                        return 0;
                }
-               current->state=TASK_INTERRUPTIBLE;
-               i=schedule_timeout(TR_RETRY_INTERVAL); /* wait 30 seconds */
+               i=schedule_timeout_interruptible(TR_RETRY_INTERVAL);
+                                                       /* wait 30 seconds */
                if(i!=0) break; /*prob. a signal, like the i>24*HZ case above */
        }
        outb(0, dev->base_addr + ADAPTRESET);/* kill pending interrupts*/
index 9e79231..05477d2 100644 (file)
@@ -1101,7 +1101,7 @@ static int olympic_close(struct net_device *dev)
 
        while(olympic_priv->srb_queued) {
 
-               t = schedule_timeout(60*HZ); 
+               t = schedule_timeout_interruptible(60*HZ);
 
                if(signal_pending(current))     {            
                        printk(KERN_WARNING "%s: SRB timed out.\n",dev->name);
index 2e39bf1..c192559 100644 (file)
@@ -1243,8 +1243,7 @@ void tms380tr_wait(unsigned long time)
        
        tmp = jiffies + time/(1000000/HZ);
        do {
-               current->state          = TASK_INTERRUPTIBLE;
-               tmp = schedule_timeout(tmp);
+               tmp = schedule_timeout_interruptible(tmp);
        } while(time_after(tmp, jiffies));
 #else
        udelay(time);
index ecfa6f8..4c76cb7 100644 (file)
@@ -419,10 +419,9 @@ typhoon_reset(void __iomem *ioaddr, int wait_type)
                           TYPHOON_STATUS_WAITING_FOR_HOST)
                                goto out;
 
-                       if(wait_type == WaitSleep) {
-                               set_current_state(TASK_UNINTERRUPTIBLE);
-                               schedule_timeout(1);
-                       } else
+                       if(wait_type == WaitSleep)
+                               schedule_timeout_uninterruptible(1);
+                       else
                                udelay(TYPHOON_UDELAY);
                }
 
index 7ff814f..ae9e897 100644 (file)
@@ -1617,8 +1617,7 @@ static int get_wait_data(struct cosa_data *cosa)
                        return r;
                }
                /* sleep if not ready to read */
-               set_current_state(TASK_INTERRUPTIBLE);
-               schedule_timeout(1);
+               schedule_timeout_interruptible(1);
        }
        printk(KERN_INFO "cosa: timeout in get_wait_data (status 0x%x)\n",
                cosa_getstatus(cosa));
@@ -1644,8 +1643,7 @@ static int put_wait_data(struct cosa_data *cosa, int data)
                }
 #if 0
                /* sleep if not ready to read */
-               current->state = TASK_INTERRUPTIBLE;
-               schedule_timeout(1);
+               schedule_timeout_interruptible(1);
 #endif
        }
        printk(KERN_INFO "cosa%d: timeout in put_wait_data (status 0x%x)\n",
index 520a77a..0c1ab4a 100644 (file)
@@ -542,8 +542,7 @@ static int dscc4_wait_ack_cec(struct dscc4_dev_priv *dpriv,
                               msg, i);
                        goto done;
                }
-               set_current_state(TASK_UNINTERRUPTIBLE);
-               schedule_timeout(10);
+               schedule_timeout_uninterruptible(10);
                rmb();
        } while (++i > 0);
        printk(KERN_ERR "%s: %s timeout\n", dev->name, msg);
@@ -588,8 +587,7 @@ static inline int dscc4_xpr_ack(struct dscc4_dev_priv *dpriv)
                    (dpriv->iqtx[cur] & Xpr))
                        break;
                smp_rmb();
-               set_current_state(TASK_UNINTERRUPTIBLE);
-               schedule_timeout(10);
+               schedule_timeout_uninterruptible(10);
        } while (++i > 0);
 
        return (i >= 0 ) ? i : -EAGAIN;
@@ -1035,8 +1033,7 @@ static void dscc4_pci_reset(struct pci_dev *pdev, void __iomem *ioaddr)
        /* Flush posted writes */
        readl(ioaddr + GSTAR);
 
-       set_current_state(TASK_UNINTERRUPTIBLE);
-       schedule_timeout(10);
+       schedule_timeout_uninterruptible(10);
 
        for (i = 0; i < 16; i++)
                pci_write_config_dword(pdev, i << 2, dscc4_pci_config_store[i]);
index 2c83cca..10befb0 100644 (file)
@@ -980,8 +980,7 @@ fst_issue_cmd(struct fst_port_info *port, unsigned short cmd)
        /* Wait for any previous command to complete */
        while (mbval > NAK) {
                spin_unlock_irqrestore(&card->card_lock, flags);
-               set_current_state(TASK_UNINTERRUPTIBLE);
-               schedule_timeout(1);
+               schedule_timeout_uninterruptible(1);
                spin_lock_irqsave(&card->card_lock, flags);
 
                if (++safety > 2000) {
index 2414e64..e5cdb5b 100644 (file)
@@ -800,8 +800,7 @@ static int ipw2100_hw_send_command(struct ipw2100_priv *priv,
         * doesn't seem to have as many firmware restart cycles...
         *
         * As a test, we're sticking in a 1/100s delay here */
-       set_current_state(TASK_UNINTERRUPTIBLE);
-       schedule_timeout(HZ / 100);
+       schedule_timeout_uninterruptible(msecs_to_jiffies(10));
 
        return 0;
 
@@ -1256,8 +1255,7 @@ static int ipw2100_start_adapter(struct ipw2100_priv *priv)
        IPW_DEBUG_FW("Waiting for f/w initialization to complete...\n");
        i = 5000;
        do {
-               set_current_state(TASK_UNINTERRUPTIBLE);
-               schedule_timeout(40 * HZ / 1000);
+               schedule_timeout_uninterruptible(msecs_to_jiffies(40));
                /* Todo... wait for sync command ... */
 
                read_register(priv->net_dev, IPW_REG_INTA, &inta);
@@ -1411,8 +1409,7 @@ static int ipw2100_hw_phy_off(struct ipw2100_priv *priv)
                    (val2 & IPW2100_COMMAND_PHY_OFF))
                        return 0;
 
-               set_current_state(TASK_UNINTERRUPTIBLE);
-               schedule_timeout(HW_PHY_OFF_LOOP_DELAY);
+               schedule_timeout_uninterruptible(HW_PHY_OFF_LOOP_DELAY);
        }
 
        return -EIO;
@@ -1466,7 +1463,7 @@ fail_up:
 
 static int ipw2100_hw_stop_adapter(struct ipw2100_priv *priv)
 {
-#define HW_POWER_DOWN_DELAY (HZ / 10)
+#define HW_POWER_DOWN_DELAY (msecs_to_jiffies(100))
 
        struct host_command cmd = {
                .host_command = HOST_PRE_POWER_DOWN,
@@ -1520,10 +1517,8 @@ static int ipw2100_hw_stop_adapter(struct ipw2100_priv *priv)
                        printk(KERN_WARNING DRV_NAME ": "
                               "%s: Power down command failed: Error %d\n",
                               priv->net_dev->name, err);
-               else {
-                       set_current_state(TASK_UNINTERRUPTIBLE);
-                       schedule_timeout(HW_POWER_DOWN_DELAY);
-               }
+               else
+                       schedule_timeout_uninterruptible(HW_POWER_DOWN_DELAY);
        }
 
        priv->status &= ~STATUS_ENABLED;
index 6f13d4a..10cce51 100644 (file)
@@ -439,8 +439,7 @@ prism54_bring_down(islpci_private *priv)
        wmb();
 
        /* wait a while for the device to reset */
-       set_current_state(TASK_UNINTERRUPTIBLE);
-       schedule_timeout(50*HZ/1000);
+       schedule_timeout_uninterruptible(msecs_to_jiffies(50));
 
        return 0;
 }
@@ -491,8 +490,7 @@ islpci_reset_if(islpci_private *priv)
                /* The software reset acknowledge needs about 220 msec here.
                 * Be conservative and wait for up to one second. */
        
-               set_current_state(TASK_UNINTERRUPTIBLE);
-               remaining = schedule_timeout(HZ);
+               remaining = schedule_timeout_uninterruptible(HZ);
 
                if(remaining > 0) {
                        result = 0;
index b6f2e5a..4937a5a 100644 (file)
@@ -455,7 +455,7 @@ islpci_mgt_transaction(struct net_device *ndev,
                       struct islpci_mgmtframe **recvframe)
 {
        islpci_private *priv = netdev_priv(ndev);
-       const long wait_cycle_jiffies = (ISL38XX_WAIT_CYCLE * 10 * HZ) / 1000;
+       const long wait_cycle_jiffies = msecs_to_jiffies(ISL38XX_WAIT_CYCLE * 10);
        long timeout_left = ISL38XX_MAX_WAIT_CYCLES * wait_cycle_jiffies;
        int err;
        DEFINE_WAIT(wait);
@@ -475,8 +475,7 @@ islpci_mgt_transaction(struct net_device *ndev,
                int timeleft;
                struct islpci_mgmtframe *frame;
 
-               set_current_state(TASK_UNINTERRUPTIBLE);
-               timeleft = schedule_timeout(wait_cycle_jiffies);
+               timeleft = schedule_timeout_uninterruptible(wait_cycle_jiffies);
                frame = xchg(&priv->mgmt_received, NULL);
                if (frame) {
                        if (frame->header->oid == oid) {
index 2ef0b21..1c7a0dd 100644 (file)
@@ -7,8 +7,8 @@
 /* ported to the Alpha architecture 02/20/96 (just used the HZ macro) */
 
 #define TR_RETRY_INTERVAL      (30*HZ) /* 500 on PC = 5 s */
-#define TR_RST_TIME            (HZ/20) /* 5 on PC = 50 ms */
-#define TR_BUSY_INTERVAL       (HZ/5)  /* 5 on PC = 200 ms */
+#define TR_RST_TIME            (msecs_to_jiffies(50))  /* 5 on PC = 50 ms */
+#define TR_BUSY_INTERVAL       (msecs_to_jiffies(200)) /* 5 on PC = 200 ms */
 #define TR_SPIN_INTERVAL       (3*HZ)  /* 3 seconds before init timeout */
 
 #define TR_ISA 1
index 7c71790..98c98e6 100644 (file)
@@ -852,11 +852,9 @@ static inline void netif_rx_complete(struct net_device *dev)
 
 static inline void netif_poll_disable(struct net_device *dev)
 {
-       while (test_and_set_bit(__LINK_STATE_RX_SCHED, &dev->state)) {
+       while (test_and_set_bit(__LINK_STATE_RX_SCHED, &dev->state))
                /* No hurry. */
-               current->state = TASK_INTERRUPTIBLE;
-               schedule_timeout(1);
-       }
+               schedule_timeout_interruptible(1);
 }
 
 static inline void netif_poll_enable(struct net_device *dev)