Merge remote-tracking branch 'grant/devicetree/next' into for-next

3 files changed, 28 insertions, 21 deletions

diff --git a/drivers/tty/hvc/hvc_xen.c b/drivers/tty/hvc/hvc_xen.c
index e61c36cbb866..c193af6a628f 100644
--- a/drivers/tty/hvc/hvc_xen.c
+++ b/drivers/tty/hvc/hvc_xen.c
@@ -636,6 +636,7 @@ struct console xenboot_console = {
 	.name		= "xenboot",
 	.write		= xenboot_write_console,
 	.flags		= CON_PRINTBUFFER | CON_BOOT | CON_ANYTIME,
+	.index		= -1,
 };
 #endif	/* CONFIG_EARLY_PRINTK */
 
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
index 01bf5eb4f238..7a744b69c3d1 100644
--- a/drivers/tty/n_tty.c
+++ b/drivers/tty/n_tty.c
@@ -2183,28 +2183,34 @@ static ssize_t n_tty_read(struct tty_struct *tty, struct file *file,
 
 		if (!input_available_p(tty, 0)) {
 			if (test_bit(TTY_OTHER_CLOSED, &tty->flags)) {
-				retval = -EIO;
-				break;
-			}
-			if (tty_hung_up_p(file))
-				break;
-			if (!timeout)
-				break;
-			if (file->f_flags & O_NONBLOCK) {
-				retval = -EAGAIN;
-				break;
-			}
-			if (signal_pending(current)) {
-				retval = -ERESTARTSYS;
-				break;
-			}
-			n_tty_set_room(tty);
-			up_read(&tty->termios_rwsem);
+				up_read(&tty->termios_rwsem);
+				tty_flush_to_ldisc(tty);
+				down_read(&tty->termios_rwsem);
+				if (!input_available_p(tty, 0)) {
+					retval = -EIO;
+					break;
+				}
+			} else {
+				if (tty_hung_up_p(file))
+					break;
+				if (!timeout)
+					break;
+				if (file->f_flags & O_NONBLOCK) {
+					retval = -EAGAIN;
+					break;
+				}
+				if (signal_pending(current)) {
+					retval = -ERESTARTSYS;
+					break;
+				}
+				n_tty_set_room(tty);
+				up_read(&tty->termios_rwsem);
 
-			timeout = schedule_timeout(timeout);
+				timeout = schedule_timeout(timeout);
 
-			down_read(&tty->termios_rwsem);
-			continue;
+				down_read(&tty->termios_rwsem);
+				continue;
+			}
 		}
 		__set_current_state(TASK_RUNNING);
 
diff --git a/drivers/tty/serial/cpm_uart/cpm_uart_core.c b/drivers/tty/serial/cpm_uart/cpm_uart_core.c
index 9f7ba6d8750a..7d76214612c7 100644
--- a/drivers/tty/serial/cpm_uart/cpm_uart_core.c
+++ b/drivers/tty/serial/cpm_uart/cpm_uart_core.c
@@ -1209,7 +1209,7 @@ static int cpm_uart_init_port(struct device_node *np,
 	pinfo->port.fifosize = pinfo->tx_nrfifos * pinfo->tx_fifosize;
 	spin_lock_init(&pinfo->port.lock);
 
-	pinfo->port.irq = of_irq_to_resource(np, 0, NULL);
+	pinfo->port.irq = irq_of_parse_and_map(np, 0);
 	if (pinfo->port.irq == NO_IRQ) {
 		ret = -EINVAL;
 		goto out_pram;