1 files changed, 23 insertions, 27 deletions

diff --git a/drivers/scsi/aacraid/rx.c b/drivers/scsi/aacraid/rx.c
index 6f8a19462e40..391d4751338d 100644
--- a/drivers/scsi/aacraid/rx.c
+++ b/drivers/scsi/aacraid/rx.c
@@ -5,7 +5,7 @@
  * based on the old aacraid driver that is..
  * Adaptec aacraid device driver for Linux.
  *
- * Copyright (c) 2000 Adaptec, Inc. (aacraid@adaptec.com)
+ * Copyright (c) 2000-2007 Adaptec, Inc. (aacraid@adaptec.com)
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -57,25 +57,25 @@ static irqreturn_t aac_rx_intr_producer(int irq, void *dev_id)
          *      been enabled.
          *      Check to see if this is our interrupt.  If it isn't just return
          */
-        if (intstat & ~(dev->OIMR)) {
+        if (likely(intstat & ~(dev->OIMR))) {
                 bellbits = rx_readl(dev, OutboundDoorbellReg);
-                if (bellbits & DoorBellPrintfReady) {
+                if (unlikely(bellbits & DoorBellPrintfReady)) {
                         aac_printf(dev, readl (&dev->IndexRegs->Mailbox[5]));
                         rx_writel(dev, MUnit.ODR,DoorBellPrintfReady);
                         rx_writel(dev, InboundDoorbellReg,DoorBellPrintfDone);
                 }
-                else if (bellbits & DoorBellAdapterNormCmdReady) {
+                else if (unlikely(bellbits & DoorBellAdapterNormCmdReady)) {
                         rx_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdReady);
                         aac_command_normal(&dev->queues->queue[HostNormCmdQueue]);
                 }
-                else if (bellbits & DoorBellAdapterNormRespReady) {
+                else if (likely(bellbits & DoorBellAdapterNormRespReady)) {
                         rx_writel(dev, MUnit.ODR,DoorBellAdapterNormRespReady);
                         aac_response_normal(&dev->queues->queue[HostNormRespQueue]);
                 }
-                else if (bellbits & DoorBellAdapterNormCmdNotFull) {
+                else if (unlikely(bellbits & DoorBellAdapterNormCmdNotFull)) {
                         rx_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdNotFull);
                 }
-                else if (bellbits & DoorBellAdapterNormRespNotFull) {
+                else if (unlikely(bellbits & DoorBellAdapterNormRespNotFull)) {
                         rx_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdNotFull);
                         rx_writel(dev, MUnit.ODR, DoorBellAdapterNormRespNotFull);
                 }
@@ -88,11 +88,11 @@ static irqreturn_t aac_rx_intr_message(int irq, void *dev_id)
 {
         struct aac_dev *dev = dev_id;
         u32 Index = rx_readl(dev, MUnit.OutboundQueue);
-        if (Index == 0xFFFFFFFFL)
+        if (unlikely(Index == 0xFFFFFFFFL))
                 Index = rx_readl(dev, MUnit.OutboundQueue);
-        if (Index != 0xFFFFFFFFL) {
+        if (likely(Index != 0xFFFFFFFFL)) {
                 do {
-                        if (aac_intr_normal(dev, Index)) {
+                        if (unlikely(aac_intr_normal(dev, Index))) {
                                 rx_writel(dev, MUnit.OutboundQueue, Index);
                                 rx_writel(dev, MUnit.ODR, DoorBellAdapterNormRespReady);
                         }
@@ -204,7 +204,7 @@ static int rx_sync_cmd(struct aac_dev *dev, u32 command,
                  */
                 msleep(1);
         }
-        if (ok != 1) {
+        if (unlikely(ok != 1)) {
                 /*
                  *      Restore interrupt mask even though we timed out
                  */
@@ -319,12 +319,12 @@ static int aac_rx_check_health(struct aac_dev *dev)
         /*
          *      Check to see if the board failed any self tests.
          */
-        if (status & SELF_TEST_FAILED)
+        if (unlikely(status & SELF_TEST_FAILED))
                 return -1;
         /*
          *      Check to see if the board panic'd.
          */
-        if (status & KERNEL_PANIC) {
+        if (unlikely(status & KERNEL_PANIC)) {
                 char * buffer;
                 struct POSTSTATUS {
                         __le32 Post_Command;
@@ -333,15 +333,15 @@ static int aac_rx_check_health(struct aac_dev *dev)
                 dma_addr_t paddr, baddr;
                 int ret;
 
-                if ((status & 0xFF000000L) == 0xBC000000L)
+                if (likely((status & 0xFF000000L) == 0xBC000000L))
                         return (status >> 16) & 0xFF;
                 buffer = pci_alloc_consistent(dev->pdev, 512, &baddr);
                 ret = -2;
-                if (buffer == NULL)
+                if (unlikely(buffer == NULL))
                         return ret;
                 post = pci_alloc_consistent(dev->pdev,
                   sizeof(struct POSTSTATUS), &paddr);
-                if (post == NULL) {
+                if (unlikely(post == NULL)) {
                         pci_free_consistent(dev->pdev, 512, buffer, baddr);
                         return ret;
                 }
@@ -353,7 +353,7 @@ static int aac_rx_check_health(struct aac_dev *dev)
                   NULL, NULL, NULL, NULL, NULL);
                 pci_free_consistent(dev->pdev, sizeof(struct POSTSTATUS),
                   post, paddr);
-                if ((buffer[0] == '0') && ((buffer[1] == 'x') || (buffer[1] == 'X'))) {
+                if (likely((buffer[0] == '0') && ((buffer[1] == 'x') || (buffer[1] == 'X')))) {
                         ret = (buffer[2] <= '9') ? (buffer[2] - '0') : (buffer[2] - 'A' + 10);
                         ret <<= 4;
                         ret += (buffer[3] <= '9') ? (buffer[3] - '0') : (buffer[3] - 'A' + 10);
@@ -364,7 +364,7 @@ static int aac_rx_check_health(struct aac_dev *dev)
         /*
          *      Wait for the adapter to be up and running.
          */
-        if (!(status & KERNEL_UP_AND_RUNNING))
+        if (unlikely(!(status & KERNEL_UP_AND_RUNNING)))
                 return -3;
         /*
          *      Everything is OK
@@ -419,9 +419,9 @@ static int aac_rx_deliver_message(struct fib * fib)
         spin_unlock_irqrestore(q->lock, qflags);
         for(;;) {
                 Index = rx_readl(dev, MUnit.InboundQueue);
-                if (Index == 0xFFFFFFFFL)
+                if (unlikely(Index == 0xFFFFFFFFL))
                         Index = rx_readl(dev, MUnit.InboundQueue);
-                if (Index != 0xFFFFFFFFL)
+                if (likely(Index != 0xFFFFFFFFL))
                         break;
                 if (--count == 0) {
                         spin_lock_irqsave(q->lock, qflags);
@@ -526,11 +526,8 @@ int _aac_rx_init(struct aac_dev *dev)
 {
         unsigned long start;
         unsigned long status;
-        int instance;
-        const char * name;
-
-        instance = dev->id;
-        name     = dev->name;
+        int instance = dev->id;
+        const char * name = dev->name;
 
         if (aac_adapter_ioremap(dev, dev->base_size)) {
                 printk(KERN_WARNING "%s: unable to map adapter.\n", name);
@@ -568,8 +565,7 @@ int _aac_rx_init(struct aac_dev *dev)
          */
         while (!((status = rx_readl(dev, MUnit.OMRx[0])) & KERNEL_UP_AND_RUNNING))
         {
-                if(time_after(jiffies, start+startup_timeout*HZ))
-                {
+                if(time_after(jiffies, start+startup_timeout*HZ)) {
                         printk(KERN_ERR "%s%d: adapter kernel failed to start, init status = %lx.\n", 
                                         dev->name, instance, status);
                         goto error_iounmap;