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path: root/drivers/watchdog/pcwd_pci.c
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Diffstat (limited to 'drivers/watchdog/pcwd_pci.c')
-rw-r--r--drivers/watchdog/pcwd_pci.c161
1 files changed, 77 insertions, 84 deletions
diff --git a/drivers/watchdog/pcwd_pci.c b/drivers/watchdog/pcwd_pci.c
index 61a89e959642..90eb1d4271d7 100644
--- a/drivers/watchdog/pcwd_pci.c
+++ b/drivers/watchdog/pcwd_pci.c
@@ -46,9 +46,8 @@
#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 <asm/uaccess.h> /* For copy_to_user/put_user/... */
-#include <asm/io.h> /* For inb/outb/... */
+#include <linux/uaccess.h> /* For copy_to_user/put_user/... */
+#include <linux/io.h> /* For inb/outb/... */
/* Module and version information */
#define WATCHDOG_VERSION "1.03"
@@ -97,7 +96,7 @@
#define CMD_GET_CLEAR_RESET_COUNT 0x84
/* Watchdog's Dip Switch heartbeat values */
-static const int heartbeat_tbl [] = {
+static const int heartbeat_tbl[] = {
5, /* OFF-OFF-OFF = 5 Sec */
10, /* OFF-OFF-ON = 10 Sec */
30, /* OFF-ON-OFF = 30 Sec */
@@ -220,11 +219,10 @@ static void pcipcwd_show_card_info(void)
int option_switches;
got_fw_rev = send_command(CMD_GET_FIRMWARE_VERSION, &fw_rev_major, &fw_rev_minor);
- if (got_fw_rev) {
+ if (got_fw_rev)
sprintf(fw_ver_str, "%u.%02u", fw_rev_major, fw_rev_minor);
- } else {
+ else
sprintf(fw_ver_str, "<card no answer>");
- }
/* Get switch settings */
option_switches = pcipcwd_get_option_switches();
@@ -331,7 +329,7 @@ static int pcipcwd_get_status(int *status)
{
int control_status;
- *status=0;
+ *status = 0;
control_status = inb_p(pcipcwd_private.io_addr + 1);
if (control_status & WD_PCI_WTRP)
*status |= WDIOF_CARDRESET;
@@ -369,8 +367,8 @@ static int pcipcwd_clear_status(void)
outb_p((control_status & WD_PCI_R2DS) | WD_PCI_WTRP, pcipcwd_private.io_addr + 1);
/* clear reset counter */
- msb=0;
- reset_counter=0xff;
+ msb = 0;
+ reset_counter = 0xff;
send_command(CMD_GET_CLEAR_RESET_COUNT, &msb, &reset_counter);
if (debug >= DEBUG) {
@@ -442,7 +440,7 @@ static ssize_t pcipcwd_write(struct file *file, const char __user *data,
/* 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;
@@ -455,8 +453,8 @@ static ssize_t pcipcwd_write(struct file *file, const char __user *data,
return len;
}
-static int pcipcwd_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static long pcipcwd_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg)
{
void __user *argp = (void __user *)arg;
int __user *p = argp;
@@ -471,92 +469,89 @@ static int pcipcwd_ioctl(struct inode *inode, struct file *file,
};
switch (cmd) {
- case WDIOC_GETSUPPORT:
- return copy_to_user(argp, &ident,
- sizeof (ident)) ? -EFAULT : 0;
+ case WDIOC_GETSUPPORT:
+ return copy_to_user(argp, &ident, sizeof(ident)) ? -EFAULT : 0;
+
+ case WDIOC_GETSTATUS:
+ {
+ int status;
+ pcipcwd_get_status(&status);
+ return put_user(status, p);
+ }
- case WDIOC_GETSTATUS:
- {
- int status;
+ case WDIOC_GETBOOTSTATUS:
+ return put_user(pcipcwd_private.boot_status, p);
- pcipcwd_get_status(&status);
+ case WDIOC_GETTEMP:
+ {
+ int temperature;
- return put_user(status, p);
- }
+ if (pcipcwd_get_temperature(&temperature))
+ return -EFAULT;
- case WDIOC_GETBOOTSTATUS:
- return put_user(pcipcwd_private.boot_status, p);
+ return put_user(temperature, p);
+ }
- case WDIOC_GETTEMP:
- {
- int temperature;
+ case WDIOC_SETOPTIONS:
+ {
+ int new_options, retval = -EINVAL;
- if (pcipcwd_get_temperature(&temperature))
- return -EFAULT;
+ if (get_user(new_options, p))
+ return -EFAULT;
- return put_user(temperature, p);
+ if (new_options & WDIOS_DISABLECARD) {
+ if (pcipcwd_stop())
+ return -EIO;
+ retval = 0;
}
- case WDIOC_KEEPALIVE:
- pcipcwd_keepalive();
- return 0;
-
- case WDIOC_SETOPTIONS:
- {
- int new_options, retval = -EINVAL;
-
- if (get_user (new_options, p))
- return -EFAULT;
-
- if (new_options & WDIOS_DISABLECARD) {
- if (pcipcwd_stop())
- return -EIO;
- retval = 0;
- }
+ if (new_options & WDIOS_ENABLECARD) {
+ if (pcipcwd_start())
+ return -EIO;
+ retval = 0;
+ }
- if (new_options & WDIOS_ENABLECARD) {
- if (pcipcwd_start())
- return -EIO;
- retval = 0;
- }
+ if (new_options & WDIOS_TEMPPANIC) {
+ temp_panic = 1;
+ retval = 0;
+ }
- if (new_options & WDIOS_TEMPPANIC) {
- temp_panic = 1;
- retval = 0;
- }
+ return retval;
+ }
- return retval;
- }
+ case WDIOC_KEEPALIVE:
+ pcipcwd_keepalive();
+ return 0;
- case WDIOC_SETTIMEOUT:
- {
- int new_heartbeat;
+ case WDIOC_SETTIMEOUT:
+ {
+ int new_heartbeat;
- if (get_user(new_heartbeat, p))
- return -EFAULT;
+ if (get_user(new_heartbeat, p))
+ return -EFAULT;
- if (pcipcwd_set_heartbeat(new_heartbeat))
- return -EINVAL;
+ if (pcipcwd_set_heartbeat(new_heartbeat))
+ return -EINVAL;
- pcipcwd_keepalive();
- /* Fall */
- }
+ pcipcwd_keepalive();
+ /* Fall */
+ }
- case WDIOC_GETTIMEOUT:
- return put_user(heartbeat, p);
+ case WDIOC_GETTIMEOUT:
+ return put_user(heartbeat, p);
- case WDIOC_GETTIMELEFT:
- {
- int time_left;
+ case WDIOC_GETTIMELEFT:
+ {
+ int time_left;
- if (pcipcwd_get_timeleft(&time_left))
- return -EFAULT;
+ if (pcipcwd_get_timeleft(&time_left))
+ return -EFAULT;
- return put_user(time_left, p);
- }
+ return put_user(time_left, p);
+ }
- default:
- return -ENOTTY;
+ default:
+ return -ENOTTY;
}
}
@@ -603,7 +598,7 @@ static ssize_t pcipcwd_temp_read(struct file *file, char __user *data,
if (pcipcwd_get_temperature(&temperature))
return -EFAULT;
- if (copy_to_user (data, &temperature, 1))
+ if (copy_to_user(data, &temperature, 1))
return -EFAULT;
return 1;
@@ -628,10 +623,8 @@ static int pcipcwd_temp_release(struct inode *inode, struct file *file)
static int pcipcwd_notify_sys(struct notifier_block *this, unsigned long code, void *unused)
{
- if (code==SYS_DOWN || code==SYS_HALT) {
- /* Turn the WDT off */
- pcipcwd_stop();
- }
+ if (code == SYS_DOWN || code == SYS_HALT)
+ pcipcwd_stop(); /* Turn the WDT off */
return NOTIFY_DONE;
}
@@ -644,7 +637,7 @@ static const struct file_operations pcipcwd_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.write = pcipcwd_write,
- .ioctl = pcipcwd_ioctl,
+ .unlocked_ioctl = pcipcwd_ioctl,
.open = pcipcwd_open,
.release = pcipcwd_release,
};
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-13 04:44:39 +0000