static int __init mpcore_wdt_init(void)
{
if (mpcore_wdt_set_heartbeat(mpcore_margin)) {
mpcore_wdt_set_heartbeat(TIMER_MARGIN);
printk(KERN_INFO "mpcore_margin value must be 0 < mpcore_margin < 65536, using %d\n",
TIMER_MARGIN);
}
printk(banner, mpcore_noboot, mpcore_margin, nowayout);
return platform_driver_register(&mpcore_wdt_driver);
}
static int __init mpcore_wdt_init(void)
{
/*
* Check that the margin value is within it's range;
* if not reset to the default
*/
if (mpcore_wdt_set_heartbeat(mpcore_margin)) {
mpcore_wdt_set_heartbeat(TIMER_MARGIN);
printk(KERN_INFO "mpcore_margin value must be 0<mpcore_margin<65536, using %d\n",
TIMER_MARGIN);
}
printk(banner, mpcore_noboot, mpcore_margin, nowayout);
return platform_driver_register(&mpcore_wdt_driver);
}
int mpcore_wk_wdt_config(int reserved, int reserved2, int timeout_val)
{
//mpcore_wdt_print("enter:type:%d, mode:%d, val:%d\n", type, mode, timeout_val);
// printk("mpcore_wk_wdt_config: val=%d\n", timeout_val);
mpcore_wdt_set_heartbeat(timeout_val);
return 0;
}
static int mtk_wk_wdt_config(enum ext_wdt_mode mode, int timeout_val)
{
mtk_wdt_mode_config(TRUE, TRUE, TRUE, FALSE, TRUE);
mtk_wdt_set_time_out_value(timeout_val);
#ifdef CONFIG_LOCAL_WDT
mpcore_wk_wdt_config(0,mode,timeout_val);
mpcore_wdt_set_heartbeat(timeout_val - 5);//local 25s time out
#endif
return 0;
}
static int mpcore_wdt_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, unsigned long arg)
{
struct mpcore_wdt *wdt = file->private_data;
int ret;
union {
struct watchdog_info ident;
int i;
} uarg;
if (_IOC_DIR(cmd) && _IOC_SIZE(cmd) > sizeof(uarg))
return -ENOIOCTLCMD;
if (_IOC_DIR(cmd) & _IOC_WRITE) {
ret = copy_from_user(&uarg, (void __user *)arg, _IOC_SIZE(cmd));
if (ret)
return -EFAULT;
}
switch (cmd) {
case WDIOC_GETSUPPORT:
uarg.ident = ident;
ret = 0;
break;
case WDIOC_SETOPTIONS:
ret = -EINVAL;
if (uarg.i & WDIOS_DISABLECARD) {
mpcore_wdt_stop(wdt);
ret = 0;
}
if (uarg.i & WDIOS_ENABLECARD) {
mpcore_wdt_start(wdt);
ret = 0;
}
break;
case WDIOC_GETSTATUS:
case WDIOC_GETBOOTSTATUS:
uarg.i = 0;
ret = 0;
break;
case WDIOC_KEEPALIVE:
mpcore_wdt_keepalive(wdt);
ret = 0;
break;
case WDIOC_SETTIMEOUT:
ret = mpcore_wdt_set_heartbeat(uarg.i);
if (ret)
break;
mpcore_wdt_keepalive(wdt);
/* Fall */
case WDIOC_GETTIMEOUT:
uarg.i = mpcore_margin;
ret = 0;
break;
default:
return -ENOIOCTLCMD;
}
if (ret == 0 && _IOC_DIR(cmd) & _IOC_READ) {
ret = copy_to_user((void __user *)arg, &uarg, _IOC_SIZE(cmd));
if (ret)
ret = -EFAULT;
}
return ret;
}
