[PATCH 2/2] serial: 8250_omap: mark the serial as on the wakeup path if no_console_suspend
From: Thomas Richard
Date: Tue Oct 08 2024 - 05:35:21 EST
If the console suspend is disabled, mark the serial as on the wakeup path
to keep its PM domain powered on.
Suggested-by: Théo Lebrun <theo.lebrun@xxxxxxxxxxx>
Signed-off-by: Thomas Richard <thomas.richard@xxxxxxxxxxx>
---
drivers/tty/serial/8250/8250_omap.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/tty/serial/8250/8250_omap.c b/drivers/tty/serial/8250/8250_omap.c
index 88b58f44e4e9..6764fe2f9cad 100644
--- a/drivers/tty/serial/8250/8250_omap.c
+++ b/drivers/tty/serial/8250/8250_omap.c
@@ -1660,8 +1660,12 @@ static int omap8250_suspend(struct device *dev)
if (!device_may_wakeup(dev))
priv->wer = 0;
serial_out(up, UART_OMAP_WER, priv->wer);
- if (uart_console(&up->port) && console_suspend_enabled)
- err = pm_runtime_force_suspend(dev);
+ if (uart_console(&up->port)) {
+ if (console_suspend_enabled)
+ err = pm_runtime_force_suspend(dev);
+ else
+ device_set_wakeup_path(dev);
+ }
flush_work(&priv->qos_work);
return err;
--
2.39.5