The driver manages "no_console_suspend" by preventing runtime PM during the suspend path, which forces the console UART to stay awake.
Signed-off-by: Sourav Poddar <sourav.pod...@ti.com> --- drivers/tty/serial/omap-serial.c | 5 ++++- 1 files changed, 4 insertions(+), 1 deletions(-) diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c index 08332f3..640b14e 100644 --- a/drivers/tty/serial/omap-serial.c +++ b/drivers/tty/serial/omap-serial.c @@ -1582,7 +1582,7 @@ 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) + if (!up || (!console_suspend_enabled && uart_console(&up->port))) return -EINVAL; if (!pdata) @@ -1614,6 +1614,9 @@ static int serial_omap_runtime_resume(struct device *dev) int loss_cnt = serial_omap_get_context_loss_count(up); + if (!console_suspend_enabled && uart_console(&up->port)) + return -EINVAL; + if (loss_cnt < 0) { dev_err(dev, "serial_omap_get_context_loss_count failed : %d\n", loss_cnt); -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/