static int w83697ug_init(void)
{
int ret;
unsigned char t;
ret = w83697ug_select_wd_register();
if (ret != 0)
return ret;
outb_p(0xF6, WDT_EFER); /* Select CRF6 */
t = inb_p(WDT_EFDR); /* read CRF6 */
if (t != 0) {
printk(KERN_INFO PFX "Watchdog already running."
" Resetting timeout to %d sec\n", timeout);
outb_p(timeout, WDT_EFDR); /* Write back to CRF6 */
}
outb_p(0xF5, WDT_EFER); /* Select CRF5 */
t = inb_p(WDT_EFDR); /* read CRF5 */
t &= ~0x0C; /* set second mode &
disable keyboard turning off watchdog */
outb_p(t, WDT_EFDR); /* Write back to CRF5 */
w83697ug_unselect_wd_register();
return 0;
}
static void wdt_ctrl(int timeout)
{
spin_lock(&io_lock);
w83697ug_select_wd_register();
outb_p(0xF4, WDT_EFER); /* Select CRF4 */
outb_p(timeout, WDT_EFDR); /* Write Timeout counter to CRF4 */
w83697ug_unselect_wd_register();
spin_unlock(&io_lock);
}
