tmp.hub6 = port->hub6;
tmp.io_type = port->iotype;
tmp.iomem_reg_shift = port->regshift;
- tmp.iomem_base = (void *)port->mapbase;
+ tmp.iomem_base = (void *)(unsigned long)port->mapbase;
if (copy_to_user(retinfo, &tmp, sizeof(*retinfo)))
return -EFAULT;
/*
* These are the bits that are used to setup various
- * flags in the low level driver.
+ * flags in the low level driver. We can ignore the Bfoo
+ * bits in c_cflag; c_[io]speed will always be set
+ * appropriately by set_termios() in tty_ioctl.c
*/
#define RELEVANT_IFLAG(iflag) ((iflag) & (IGNBRK|BRKINT|IGNPAR|PARMRK|INPCK))
-
if ((cflag ^ old_termios->c_cflag) == 0 &&
+ tty->termios->c_ospeed == old_termios->c_ospeed &&
+ tty->termios->c_ispeed == old_termios->c_ispeed &&
RELEVANT_IFLAG(tty->termios->c_iflag ^ old_termios->c_iflag) == 0)
return;
return 0;
mmio = port->iotype >= UPIO_MEM;
- ret = sprintf(buf, "%d: uart:%s %s%08lX irq:%d",
+ ret = sprintf(buf, "%d: uart:%s %s%08llX irq:%d",
port->line, uart_type(port),
mmio ? "mmio:0x" : "port:",
- mmio ? port->mapbase : (unsigned long) port->iobase,
+ mmio ? (unsigned long long)port->mapbase
+ : (unsigned long long) port->iobase,
port->irq);
if (port->type == PORT_UNKNOWN) {
}
}
+struct uart_match {
+ struct uart_port *port;
+ struct uart_driver *driver;
+};
+
+static int serial_match_port(struct device *dev, void *data)
+{
+ struct uart_match *match = data;
+ dev_t devt = MKDEV(match->driver->major, match->driver->minor) + match->port->line;
+
+ return dev->devt == devt; /* Actually, only one tty per port */
+}
+
int uart_suspend_port(struct uart_driver *drv, struct uart_port *port)
{
struct uart_state *state = drv->state + port->line;
+ struct device *tty_dev;
+ struct uart_match match = {port, drv};
mutex_lock(&state->mutex);
-#ifdef CONFIG_DISABLE_CONSOLE_SUSPEND
- if (uart_console(port)) {
+ if (!console_suspend_enabled && uart_console(port)) {
+ /* we're going to avoid suspending serial console */
mutex_unlock(&state->mutex);
return 0;
}
-#endif
+
+ tty_dev = device_find_child(port->dev, &match, serial_match_port);
+ if (device_may_wakeup(tty_dev)) {
+ enable_irq_wake(port->irq);
+ put_device(tty_dev);
+ mutex_unlock(&state->mutex);
+ return 0;
+ }
+ port->suspended = 1;
if (state->info && state->info->flags & UIF_INITIALIZED) {
const struct uart_ops *ops = port->ops;
mutex_lock(&state->mutex);
-#ifdef CONFIG_DISABLE_CONSOLE_SUSPEND
- if (uart_console(port)) {
+ if (!console_suspend_enabled && uart_console(port)) {
+ /* no need to resume serial console, it wasn't suspended */
mutex_unlock(&state->mutex);
return 0;
}
-#endif
+
+ if (!port->suspended) {
+ disable_irq_wake(port->irq);
+ mutex_unlock(&state->mutex);
+ return 0;
+ }
+ port->suspended = 0;
uart_change_pm(state, 0);
case UPIO_TSI:
case UPIO_DWAPB:
snprintf(address, sizeof(address),
- "MMIO 0x%lx", port->mapbase);
+ "MMIO 0x%llx", (unsigned long long)port->mapbase);
break;
default:
strlcpy(address, "*unknown*", sizeof(address));
port->ops->set_mctrl(port, 0);
spin_unlock_irqrestore(&port->lock, flags);
+ /*
+ * If this driver supports console, and it hasn't been
+ * successfully registered yet, try to re-register it.
+ * It may be that the port was not available.
+ */
+ if (port->cons && !(port->cons->flags & CON_ENABLED))
+ register_console(port->cons);
+
/*
* Power down all ports by default, except the
* console if we have one.
{
struct uart_state *state;
int ret = 0;
+ struct device *tty_dev;
BUG_ON(in_interrupt());
}
state->port = port;
+ state->pm_state = -1;
port->cons = drv->cons;
port->info = state->info;
* Register the port whether it's detected or not. This allows
* setserial to be used to alter this ports parameters.
*/
- tty_register_device(drv->tty_driver, port->line, port->dev);
-
- /*
- * If this driver supports console, and it hasn't been
- * successfully registered yet, try to re-register it.
- * It may be that the port was not available.
- */
- if (port->type != PORT_UNKNOWN &&
- port->cons && !(port->cons->flags & CON_ENABLED))
- register_console(port->cons);
+ tty_dev = tty_register_device(drv->tty_driver, port->line, port->dev);
+ if (likely(!IS_ERR(tty_dev))) {
+ device_can_wakeup(tty_dev) = 1;
+ device_set_wakeup_enable(tty_dev, 0);
+ } else
+ printk(KERN_ERR "Cannot register tty device on line %d\n",
+ port->line);
/*
* Ensure UPF_DEAD is not set.