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path: root/drivers/scsi/aacraid/rx.c
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Diffstat (limited to 'drivers/scsi/aacraid/rx.c')
-rw-r--r--drivers/scsi/aacraid/rx.c50
1 files changed, 23 insertions, 27 deletions
diff --git a/drivers/scsi/aacraid/rx.c b/drivers/scsi/aacraid/rx.c
index 6f8a19462e4..391d4751338 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;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-18 11:08:14 +0000