Moved from Invensense accelerometer to ST.

Change-Id: If42c1a612784368bea2f77d2ef8722a31f9a4f34

1 files changed, 41 insertions, 0 deletions

diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c
index 3009a8909cc..9b19ae172c3 100644
--- a/drivers/tty/serial/omap-serial.c
+++ b/drivers/tty/serial/omap-serial.c
@@ -1109,7 +1109,14 @@ serial_omap_pm(struct uart_port *port, unsigned int state,
 	pm_runtime_mark_last_busy(up->dev);
 	pm_runtime_put_autosuspend(up->dev);
 }
+static void serial_omap_wake_peer(struct uart_port *port)
+{
+       struct uart_omap_port *up = to_uart_omap_port(port);
+       struct omap_uart_port_info *pdata = up->dev->platform_data;
 
+       if (pdata->wake_peer)
+               pdata->wake_peer(port);
+}
 static void serial_omap_release_port(struct uart_port *port)
 {
 	dev_dbg(port->dev, "serial_omap_release_port+\n");
@@ -1341,6 +1348,7 @@ static struct uart_ops serial_omap_pops = {
 	.shutdown	= serial_omap_shutdown,
 	.set_termios	= serial_omap_set_termios,
 	.pm		= serial_omap_pm,
+	.wake_peer 	= serial_omap_wake_peer,
 	.type		= serial_omap_type,
 	.release_port	= serial_omap_release_port,
 	.request_port	= serial_omap_request_port,
@@ -1860,6 +1868,39 @@ static void __exit serial_omap_exit(void)
 	uart_unregister_driver(&serial_omap_reg);
 }
 
+/* Used by ext client device connected to uart to control uart */
+int omap_serial_ext_uart_enable(u8 port_id)
+{
+       struct uart_omap_port *up;
+       int err = 0;
+
+       if (port_id > OMAP_MAX_HSUART_PORTS) {
+               pr_err("Invalid Port_id %d passed to %s\n", port_id, __func__);
+               err = -ENODEV;
+       } else {
+               up = ui[port_id];
+               pm_runtime_get_sync(up->dev);
+       }
+       return err;
+}
+
+int omap_serial_ext_uart_disable(u8 port_id)
+{
+       struct uart_omap_port *up;
+       int err = 0;
+
+       if (port_id > OMAP_MAX_HSUART_PORTS) {
+               pr_err("Invalid Port_id %d passed to %s\n", port_id, __func__);
+               err = -ENODEV;
+       } else {
+               up = ui[port_id];
+               pm_runtime_mark_last_busy(up->dev);
+               pm_runtime_put_autosuspend(up->dev);
+       }
+       return err;
+}
+
+
 module_init(serial_omap_init);
 module_exit(serial_omap_exit);