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path: root/drivers/watchdog/iTCO_wdt.c
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Diffstat (limited to 'drivers/watchdog/iTCO_wdt.c')
-rw-r--r--drivers/watchdog/iTCO_wdt.c310
1 files changed, 152 insertions, 158 deletions
diff --git a/drivers/watchdog/iTCO_wdt.c b/drivers/watchdog/iTCO_wdt.c
index 95ba985bd34..bfb93bc2ca9 100644
--- a/drivers/watchdog/iTCO_wdt.c
+++ b/drivers/watchdog/iTCO_wdt.c
@@ -55,9 +55,9 @@
*/
/* Module and version information */
-#define DRV_NAME "iTCO_wdt"
-#define DRV_VERSION "1.03"
-#define DRV_RELDATE "30-Apr-2008"
+#define DRV_NAME "iTCO_wdt"
+#define DRV_VERSION "1.03"
+#define DRV_RELDATE "30-Apr-2008"
#define PFX DRV_NAME ": "
/* Includes */
@@ -66,7 +66,8 @@
#include <linux/types.h> /* For standard types (like size_t) */
#include <linux/errno.h> /* For the -ENODEV/... values */
#include <linux/kernel.h> /* For printk/panic/... */
-#include <linux/miscdevice.h> /* For MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR) */
+#include <linux/miscdevice.h> /* For MODULE_ALIAS_MISCDEV
+ (WATCHDOG_MINOR) */
#include <linux/watchdog.h> /* For the watchdog specific items */
#include <linux/init.h> /* For __init/__exit/... */
#include <linux/fs.h> /* For file operations */
@@ -74,9 +75,10 @@
#include <linux/pci.h> /* For pci functions */
#include <linux/ioport.h> /* For io-port access */
#include <linux/spinlock.h> /* For spin_lock/spin_unlock/... */
+#include <linux/uaccess.h> /* For copy_to_user/put_user/... */
+#include <linux/io.h> /* For inb/outb/... */
-#include <asm/uaccess.h> /* For copy_to_user/put_user/... */
-#include <asm/io.h> /* For inb/outb/... */
+#include "iTCO_vendor.h"
/* TCO related info */
enum iTCO_chipsets {
@@ -105,7 +107,7 @@ enum iTCO_chipsets {
TCO_ICH9, /* ICH9 */
TCO_ICH9R, /* ICH9R */
TCO_ICH9DH, /* ICH9DH */
- TCO_ICH9DO, /* ICH9DO */
+ TCO_ICH9DO, /* ICH9DO */
TCO_631XESB, /* 631xESB/632xESB */
};
@@ -140,7 +142,7 @@ static struct {
{"ICH9DH", 2},
{"ICH9DO", 2},
{"631xESB/632xESB", 2},
- {NULL,0}
+ {NULL, 0}
};
#define ITCO_PCI_DEVICE(dev, data) \
@@ -159,32 +161,32 @@ static struct {
* functions that probably will be registered by other drivers.
*/
static struct pci_device_id iTCO_wdt_pci_tbl[] = {
- { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801AA_0, TCO_ICH )},
- { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801AB_0, TCO_ICH0 )},
- { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801BA_0, TCO_ICH2 )},
- { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801BA_10, TCO_ICH2M )},
- { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801CA_0, TCO_ICH3 )},
- { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801CA_12, TCO_ICH3M )},
- { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801DB_0, TCO_ICH4 )},
- { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801DB_12, TCO_ICH4M )},
- { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801E_0, TCO_CICH )},
- { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801EB_0, TCO_ICH5 )},
+ { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801AA_0, TCO_ICH)},
+ { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801AB_0, TCO_ICH0)},
+ { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801BA_0, TCO_ICH2)},
+ { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801BA_10, TCO_ICH2M)},
+ { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801CA_0, TCO_ICH3)},
+ { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801CA_12, TCO_ICH3M)},
+ { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801DB_0, TCO_ICH4)},
+ { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801DB_12, TCO_ICH4M)},
+ { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801E_0, TCO_CICH)},
+ { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801EB_0, TCO_ICH5)},
{ ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ESB_1, TCO_6300ESB)},
- { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH6_0, TCO_ICH6 )},
- { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH6_1, TCO_ICH6M )},
- { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH6_2, TCO_ICH6W )},
- { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH7_0, TCO_ICH7 )},
- { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH7_1, TCO_ICH7M )},
+ { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH6_0, TCO_ICH6)},
+ { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH6_1, TCO_ICH6M)},
+ { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH6_2, TCO_ICH6W)},
+ { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH7_0, TCO_ICH7)},
+ { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH7_1, TCO_ICH7M)},
{ ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH7_31, TCO_ICH7MDH)},
- { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH8_0, TCO_ICH8 )},
- { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH8_1, TCO_ICH8ME )},
- { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH8_2, TCO_ICH8DH )},
- { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH8_3, TCO_ICH8DO )},
- { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH8_4, TCO_ICH8M )},
- { ITCO_PCI_DEVICE(0x2918, TCO_ICH9 )},
- { ITCO_PCI_DEVICE(0x2916, TCO_ICH9R )},
- { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH9_2, TCO_ICH9DH )},
- { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH9_4, TCO_ICH9DO )},
+ { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH8_0, TCO_ICH8)},
+ { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH8_1, TCO_ICH8ME)},
+ { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH8_2, TCO_ICH8DH)},
+ { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH8_3, TCO_ICH8DO)},
+ { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH8_4, TCO_ICH8M)},
+ { ITCO_PCI_DEVICE(0x2918, TCO_ICH9)},
+ { ITCO_PCI_DEVICE(0x2916, TCO_ICH9R)},
+ { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH9_2, TCO_ICH9DH)},
+ { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH9_4, TCO_ICH9DO)},
{ ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ESB2_0, TCO_631XESB)},
{ ITCO_PCI_DEVICE(0x2671, TCO_631XESB)},
{ ITCO_PCI_DEVICE(0x2672, TCO_631XESB)},
@@ -203,13 +205,15 @@ static struct pci_device_id iTCO_wdt_pci_tbl[] = {
{ ITCO_PCI_DEVICE(0x267f, TCO_631XESB)},
{ 0, }, /* End of list */
};
-MODULE_DEVICE_TABLE (pci, iTCO_wdt_pci_tbl);
+MODULE_DEVICE_TABLE(pci, iTCO_wdt_pci_tbl);
/* Address definitions for the TCO */
-#define TCOBASE iTCO_wdt_private.ACPIBASE + 0x60 /* TCO base address */
-#define SMI_EN iTCO_wdt_private.ACPIBASE + 0x30 /* SMI Control and Enable Register */
+/* TCO base address */
+#define TCOBASE iTCO_wdt_private.ACPIBASE + 0x60
+/* SMI Control and Enable Register */
+#define SMI_EN iTCO_wdt_private.ACPIBASE + 0x30
-#define TCO_RLD TCOBASE + 0x00 /* TCO Timer Reload and Current Value */
+#define TCO_RLD TCOBASE + 0x00 /* TCO Timer Reload and Curr. Value */
#define TCOv1_TMR TCOBASE + 0x01 /* TCOv1 Timer Initial Value */
#define TCO_DAT_IN TCOBASE + 0x02 /* TCO Data In Register */
#define TCO_DAT_OUT TCOBASE + 0x03 /* TCO Data Out Register */
@@ -222,15 +226,21 @@ MODULE_DEVICE_TABLE (pci, iTCO_wdt_pci_tbl);
/* internal variables */
static unsigned long is_active;
static char expect_release;
-static struct { /* this is private data for the iTCO_wdt device */
- unsigned int iTCO_version; /* TCO version/generation */
- unsigned long ACPIBASE; /* The cards ACPIBASE address (TCOBASE = ACPIBASE+0x60) */
- unsigned long __iomem *gcs; /* NO_REBOOT flag is Memory-Mapped GCS register bit 5 (TCO version 2) */
- spinlock_t io_lock; /* the lock for io operations */
- struct pci_dev *pdev; /* the PCI-device */
+static struct { /* this is private data for the iTCO_wdt device */
+ /* TCO version/generation */
+ unsigned int iTCO_version;
+ /* The cards ACPIBASE address (TCOBASE = ACPIBASE+0x60) */
+ unsigned long ACPIBASE;
+ /* NO_REBOOT flag is Memory-Mapped GCS register bit 5 (TCO version 2)*/
+ unsigned long __iomem *gcs;
+ /* the lock for io operations */
+ spinlock_t io_lock;
+ /* the PCI-device */
+ struct pci_dev *pdev;
} iTCO_wdt_private;
-static struct platform_device *iTCO_wdt_platform_device; /* the watchdog platform device */
+/* the watchdog platform device */
+static struct platform_device *iTCO_wdt_platform_device;
/* module parameters */
#define WATCHDOG_HEARTBEAT 30 /* 30 sec default heartbeat */
@@ -240,22 +250,9 @@ MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds. (2<heartbeat<39 (TCO
static int nowayout = WATCHDOG_NOWAYOUT;
module_param(nowayout, int, 0);
-MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
-
-/* iTCO Vendor Specific Support hooks */
-#ifdef CONFIG_ITCO_VENDOR_SUPPORT
-extern void iTCO_vendor_pre_start(unsigned long, unsigned int);
-extern void iTCO_vendor_pre_stop(unsigned long);
-extern void iTCO_vendor_pre_keepalive(unsigned long, unsigned int);
-extern void iTCO_vendor_pre_set_heartbeat(unsigned int);
-extern int iTCO_vendor_check_noreboot_on(void);
-#else
-#define iTCO_vendor_pre_start(acpibase, heartbeat) {}
-#define iTCO_vendor_pre_stop(acpibase) {}
-#define iTCO_vendor_pre_keepalive(acpibase,heartbeat) {}
-#define iTCO_vendor_pre_set_heartbeat(heartbeat) {}
-#define iTCO_vendor_check_noreboot_on() 1 /* 1=check noreboot; 0=don't check */
-#endif
+MODULE_PARM_DESC(nowayout,
+ "Watchdog cannot be stopped once started (default="
+ __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
/*
* Some TCO specific functions
@@ -369,11 +366,10 @@ static int iTCO_wdt_keepalive(void)
iTCO_vendor_pre_keepalive(iTCO_wdt_private.ACPIBASE, heartbeat);
/* Reload the timer by writing to the TCO Timer Counter register */
- if (iTCO_wdt_private.iTCO_version == 2) {
+ if (iTCO_wdt_private.iTCO_version == 2)
outw(0x01, TCO_RLD);
- } else if (iTCO_wdt_private.iTCO_version == 1) {
+ else if (iTCO_wdt_private.iTCO_version == 1)
outb(0x01, TCO_RLD);
- }
spin_unlock(&iTCO_wdt_private.io_lock);
return 0;
@@ -425,7 +421,7 @@ static int iTCO_wdt_set_heartbeat(int t)
return 0;
}
-static int iTCO_wdt_get_timeleft (int *time_left)
+static int iTCO_wdt_get_timeleft(int *time_left)
{
unsigned int val16;
unsigned char val8;
@@ -454,7 +450,7 @@ static int iTCO_wdt_get_timeleft (int *time_left)
* /dev/watchdog handling
*/
-static int iTCO_wdt_open (struct inode *inode, struct file *file)
+static int iTCO_wdt_open(struct inode *inode, struct file *file)
{
/* /dev/watchdog can only be opened once */
if (test_and_set_bit(0, &is_active))
@@ -468,7 +464,7 @@ static int iTCO_wdt_open (struct inode *inode, struct file *file)
return nonseekable_open(inode, file);
}
-static int iTCO_wdt_release (struct inode *inode, struct file *file)
+static int iTCO_wdt_release(struct inode *inode, struct file *file)
{
/*
* Shut off the timer.
@@ -476,7 +472,8 @@ static int iTCO_wdt_release (struct inode *inode, struct file *file)
if (expect_release == 42) {
iTCO_wdt_stop();
} else {
- printk(KERN_CRIT PFX "Unexpected close, not stopping watchdog!\n");
+ printk(KERN_CRIT PFX
+ "Unexpected close, not stopping watchdog!\n");
iTCO_wdt_keepalive();
}
clear_bit(0, &is_active);
@@ -484,22 +481,23 @@ static int iTCO_wdt_release (struct inode *inode, struct file *file)
return 0;
}
-static ssize_t iTCO_wdt_write (struct file *file, const char __user *data,
- size_t len, loff_t * ppos)
+static ssize_t iTCO_wdt_write(struct file *file, const char __user *data,
+ size_t len, loff_t *ppos)
{
/* See if we got the magic character 'V' and reload the timer */
if (len) {
if (!nowayout) {
size_t i;
- /* note: just in case someone wrote the magic character
- * five months ago... */
+ /* note: just in case someone wrote the magic
+ character five months ago... */
expect_release = 0;
- /* scan to see whether or not we got the magic character */
+ /* scan to see whether or not we got the
+ magic character */
for (i = 0; i != len; i++) {
char c;
- if (get_user(c, data+i))
+ if (get_user(c, data + i))
return -EFAULT;
if (c == 'V')
expect_release = 42;
@@ -512,8 +510,8 @@ static ssize_t iTCO_wdt_write (struct file *file, const char __user *data,
return len;
}
-static int iTCO_wdt_ioctl (struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static long iTCO_wdt_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg)
{
int new_options, retval = -EINVAL;
int new_heartbeat;
@@ -528,64 +526,52 @@ static int iTCO_wdt_ioctl (struct inode *inode, struct file *file,
};
switch (cmd) {
- case WDIOC_GETSUPPORT:
- return copy_to_user(argp, &ident,
- sizeof (ident)) ? -EFAULT : 0;
-
- case WDIOC_GETSTATUS:
- case WDIOC_GETBOOTSTATUS:
- return put_user(0, p);
-
- case WDIOC_KEEPALIVE:
- iTCO_wdt_keepalive();
- return 0;
-
- case WDIOC_SETOPTIONS:
- {
- if (get_user(new_options, p))
- return -EFAULT;
-
- if (new_options & WDIOS_DISABLECARD) {
- iTCO_wdt_stop();
- retval = 0;
- }
-
- if (new_options & WDIOS_ENABLECARD) {
- iTCO_wdt_keepalive();
- iTCO_wdt_start();
- retval = 0;
- }
-
- return retval;
+ case WDIOC_GETSUPPORT:
+ return copy_to_user(argp, &ident, sizeof(ident)) ? -EFAULT : 0;
+ case WDIOC_GETSTATUS:
+ case WDIOC_GETBOOTSTATUS:
+ return put_user(0, p);
+
+ case WDIOC_SETOPTIONS:
+ {
+ if (get_user(new_options, p))
+ return -EFAULT;
+
+ if (new_options & WDIOS_DISABLECARD) {
+ iTCO_wdt_stop();
+ retval = 0;
}
-
- case WDIOC_SETTIMEOUT:
- {
- if (get_user(new_heartbeat, p))
- return -EFAULT;
-
- if (iTCO_wdt_set_heartbeat(new_heartbeat))
- return -EINVAL;
-
+ if (new_options & WDIOS_ENABLECARD) {
iTCO_wdt_keepalive();
- /* Fall */
- }
-
- case WDIOC_GETTIMEOUT:
- return put_user(heartbeat, p);
-
- case WDIOC_GETTIMELEFT:
- {
- int time_left;
-
- if (iTCO_wdt_get_timeleft(&time_left))
- return -EINVAL;
-
- return put_user(time_left, p);
+ iTCO_wdt_start();
+ retval = 0;
}
+ return retval;
+ }
+ case WDIOC_KEEPALIVE:
+ iTCO_wdt_keepalive();
+ return 0;
- default:
- return -ENOTTY;
+ case WDIOC_SETTIMEOUT:
+ {
+ if (get_user(new_heartbeat, p))
+ return -EFAULT;
+ if (iTCO_wdt_set_heartbeat(new_heartbeat))
+ return -EINVAL;
+ iTCO_wdt_keepalive();
+ /* Fall */
+ }
+ case WDIOC_GETTIMEOUT:
+ return put_user(heartbeat, p);
+ case WDIOC_GETTIMELEFT:
+ {
+ int time_left;
+ if (iTCO_wdt_get_timeleft(&time_left))
+ return -EINVAL;
+ return put_user(time_left, p);
+ }
+ default:
+ return -ENOTTY;
}
}
@@ -594,12 +580,12 @@ static int iTCO_wdt_ioctl (struct inode *inode, struct file *file,
*/
static const struct file_operations iTCO_wdt_fops = {
- .owner = THIS_MODULE,
- .llseek = no_llseek,
- .write = iTCO_wdt_write,
- .ioctl = iTCO_wdt_ioctl,
- .open = iTCO_wdt_open,
- .release = iTCO_wdt_release,
+ .owner = THIS_MODULE,
+ .llseek = no_llseek,
+ .write = iTCO_wdt_write,
+ .unlocked_ioctl = iTCO_wdt_ioctl,
+ .open = iTCO_wdt_open,
+ .release = iTCO_wdt_release,
};
static struct miscdevice iTCO_wdt_miscdev = {
@@ -612,7 +598,8 @@ static struct miscdevice iTCO_wdt_miscdev = {
* Init & exit routines
*/
-static int __devinit iTCO_wdt_init(struct pci_dev *pdev, const struct pci_device_id *ent, struct platform_device *dev)
+static int __devinit iTCO_wdt_init(struct pci_dev *pdev,
+ const struct pci_device_id *ent, struct platform_device *dev)
{
int ret;
u32 base_address;
@@ -632,17 +619,19 @@ static int __devinit iTCO_wdt_init(struct pci_dev *pdev, const struct pci_device
pci_dev_put(pdev);
return -ENODEV;
}
- iTCO_wdt_private.iTCO_version = iTCO_chipset_info[ent->driver_data].iTCO_version;
+ iTCO_wdt_private.iTCO_version =
+ iTCO_chipset_info[ent->driver_data].iTCO_version;
iTCO_wdt_private.ACPIBASE = base_address;
iTCO_wdt_private.pdev = pdev;
- /* Get the Memory-Mapped GCS register, we need it for the NO_REBOOT flag (TCO v2) */
- /* To get access to it you have to read RCBA from PCI Config space 0xf0
- and use it as base. GCS = RCBA + ICH6_GCS(0x3410). */
+ /* Get the Memory-Mapped GCS register, we need it for the
+ NO_REBOOT flag (TCO v2). To get access to it you have to
+ read RCBA from PCI Config space 0xf0 and use it as base.
+ GCS = RCBA + ICH6_GCS(0x3410). */
if (iTCO_wdt_private.iTCO_version == 2) {
pci_read_config_dword(pdev, 0xf0, &base_address);
RCBA = base_address & 0xffffc000;
- iTCO_wdt_private.gcs = ioremap((RCBA + 0x3410),4);
+ iTCO_wdt_private.gcs = ioremap((RCBA + 0x3410), 4);
}
/* Check chipset's NO_REBOOT bit */
@@ -657,8 +646,8 @@ static int __devinit iTCO_wdt_init(struct pci_dev *pdev, const struct pci_device
/* Set the TCO_EN bit in SMI_EN register */
if (!request_region(SMI_EN, 4, "iTCO_wdt")) {
- printk(KERN_ERR PFX "I/O address 0x%04lx already in use\n",
- SMI_EN );
+ printk(KERN_ERR PFX
+ "I/O address 0x%04lx already in use\n", SMI_EN);
ret = -EIO;
goto out;
}
@@ -667,18 +656,20 @@ static int __devinit iTCO_wdt_init(struct pci_dev *pdev, const struct pci_device
outl(val32, SMI_EN);
release_region(SMI_EN, 4);
- /* The TCO I/O registers reside in a 32-byte range pointed to by the TCOBASE value */
- if (!request_region (TCOBASE, 0x20, "iTCO_wdt")) {
- printk (KERN_ERR PFX "I/O address 0x%04lx already in use\n",
+ /* The TCO I/O registers reside in a 32-byte range pointed to
+ by the TCOBASE value */
+ if (!request_region(TCOBASE, 0x20, "iTCO_wdt")) {
+ printk(KERN_ERR PFX "I/O address 0x%04lx already in use\n",
TCOBASE);
ret = -EIO;
goto out;
}
- printk(KERN_INFO PFX "Found a %s TCO device (Version=%d, TCOBASE=0x%04lx)\n",
- iTCO_chipset_info[ent->driver_data].name,
- iTCO_chipset_info[ent->driver_data].iTCO_version,
- TCOBASE);
+ printk(KERN_INFO PFX
+ "Found a %s TCO device (Version=%d, TCOBASE=0x%04lx)\n",
+ iTCO_chipset_info[ent->driver_data].name,
+ iTCO_chipset_info[ent->driver_data].iTCO_version,
+ TCOBASE);
/* Clear out the (probably old) status */
outb(0, TCO1_STS);
@@ -687,27 +678,29 @@ static int __devinit iTCO_wdt_init(struct pci_dev *pdev, const struct pci_device
/* Make sure the watchdog is not running */
iTCO_wdt_stop();
- /* Check that the heartbeat value is within it's range ; if not reset to the default */
+ /* Check that the heartbeat value is within it's range;
+ if not reset to the default */
if (iTCO_wdt_set_heartbeat(heartbeat)) {
iTCO_wdt_set_heartbeat(WATCHDOG_HEARTBEAT);
- printk(KERN_INFO PFX "heartbeat value must be 2<heartbeat<39 (TCO v1) or 613 (TCO v2), using %d\n",
- heartbeat);
+ printk(KERN_INFO PFX "heartbeat value must be 2 < heartbeat < 39 (TCO v1) or 613 (TCO v2), using %d\n",
+ heartbeat);
}
ret = misc_register(&iTCO_wdt_miscdev);
if (ret != 0) {
- printk(KERN_ERR PFX "cannot register miscdev on minor=%d (err=%d)\n",
- WATCHDOG_MINOR, ret);
+ printk(KERN_ERR PFX
+ "cannot register miscdev on minor=%d (err=%d)\n",
+ WATCHDOG_MINOR, ret);
goto unreg_region;
}
- printk (KERN_INFO PFX "initialized. heartbeat=%d sec (nowayout=%d)\n",
- heartbeat, nowayout);
+ printk(KERN_INFO PFX "initialized. heartbeat=%d sec (nowayout=%d)\n",
+ heartbeat, nowayout);
return 0;
unreg_region:
- release_region (TCOBASE, 0x20);
+ release_region(TCOBASE, 0x20);
out:
if (iTCO_wdt_private.iTCO_version == 2)
iounmap(iTCO_wdt_private.gcs);
@@ -796,7 +789,8 @@ static int __init iTCO_wdt_init_module(void)
if (err)
return err;
- iTCO_wdt_platform_device = platform_device_register_simple(DRV_NAME, -1, NULL, 0);
+ iTCO_wdt_platform_device = platform_device_register_simple(DRV_NAME,
+ -1, NULL, 0);
if (IS_ERR(iTCO_wdt_platform_device)) {
err = PTR_ERR(iTCO_wdt_platform_device);
goto unreg_platform_driver;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-05 12:25:33 +0000