* NOTE: This API isn't used if the console adapter doesn't support interrupts.
* In this case the console is poll driven.
*/
-static irqreturn_t hvc_handle_interrupt(int irq, void *dev_instance, struct pt_regs *regs)
+static irqreturn_t hvc_handle_interrupt(int irq, void *dev_instance)
{
/* if hvc_poll request a repoll, then kick the hvcd thread */
if (hvc_poll(dev_instance))
struct kobject *kobjp;
/* Auto increments kobject reference if found. */
- if (!(hp = hvc_get_by_index(tty->index))) {
- printk(KERN_WARNING "hvc_console: tty open failed, no vty associated with tty.\n");
+ if (!(hp = hvc_get_by_index(tty->index)))
return -ENODEV;
- }
spin_lock_irqsave(&hp->lock, flags);
/* Check and then increment for fast path open. */
sysrq_pressed = 1;
continue;
} else if (sysrq_pressed) {
- handle_sysrq(buf[i], NULL, tty);
+ handle_sysrq(buf[i], tty);
sysrq_pressed = 0;
continue;
}
do {
poll_mask = 0;
hvc_kicked = 0;
+ try_to_freeze();
wmb();
if (cpus_empty(cpus_in_xmon)) {
spin_lock(&hvc_structs_lock);
return 0;
}
-static struct tty_operations hvc_ops = {
+static const struct tty_operations hvc_ops = {
.open = hvc_open,
.close = hvc_close,
.write = hvc_write,