diff options
Diffstat (limited to 'drivers/tty/serial/omap-serial.c')
| -rw-r--r-- | drivers/tty/serial/omap-serial.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c index 156b5aaed95b..b6d172873076 100644 --- a/drivers/tty/serial/omap-serial.c +++ b/drivers/tty/serial/omap-serial.c @@ -198,7 +198,7 @@ static int serial_omap_get_context_loss_count(struct uart_omap_port *up) struct omap_uart_port_info *pdata = up->dev->platform_data; if (!pdata || !pdata->get_context_loss_count) - return 0; + return -EINVAL; return pdata->get_context_loss_count(up->dev); } @@ -1502,6 +1502,9 @@ static int serial_omap_probe(struct platform_device *pdev) platform_set_drvdata(pdev, up); pm_runtime_enable(&pdev->dev); + if (omap_up_info->autosuspend_timeout == 0) + omap_up_info->autosuspend_timeout = -1; + device_init_wakeup(up->dev, true); pm_runtime_use_autosuspend(&pdev->dev); pm_runtime_set_autosuspend_delay(&pdev->dev, omap_up_info->autosuspend_timeout); @@ -1611,7 +1614,6 @@ static void serial_omap_restore_context(struct uart_omap_port *up) static int serial_omap_runtime_suspend(struct device *dev) { struct uart_omap_port *up = dev_get_drvdata(dev); - struct omap_uart_port_info *pdata = dev->platform_data; if (!up) return -EINVAL; @@ -1626,9 +1628,6 @@ static int serial_omap_runtime_suspend(struct device *dev) uart_console(&up->port)) return -EBUSY; - if (!pdata) - return 0; - up->context_loss_cnt = serial_omap_get_context_loss_count(up); if (device_may_wakeup(dev)) { @@ -1656,7 +1655,7 @@ static int serial_omap_runtime_resume(struct device *dev) int loss_cnt = serial_omap_get_context_loss_count(up); if (loss_cnt < 0) { - dev_err(dev, "serial_omap_get_context_loss_count failed : %d\n", + dev_dbg(dev, "serial_omap_get_context_loss_count failed : %d\n", loss_cnt); serial_omap_restore_context(up); } else if (up->context_loss_cnt != loss_cnt) { |