Prevent PNP bus from powering down the serial console device
when suspending if the no_console_suspend command line option is set.
Signed-off-by: Peter Hurley <peter@xxxxxxxxxxxxxxxxxx>
---
drivers/tty/serial/8250/8250_pnp.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/tty/serial/8250/8250_pnp.c b/drivers/tty/serial/8250/8250_pnp.c
index 50b7c89..4aefaf2 100644
--- a/drivers/tty/serial/8250/8250_pnp.c
+++ b/drivers/tty/serial/8250/8250_pnp.c
@@ -487,7 +487,7 @@ serial_pnp_probe(struct pnp_dev *dev, const struct pnp_device_id *dev_id)
if (uart_console(&port8250->port) && !console_suspend_enabled) {
info->override_disable = !!(dev->capabilities & PNP_DISABLE);
- dev->capabilities &= ~PNP_DISABLE;
+ dev->capabilities &= ~(PNP_DISABLE | PNP_SUSPEND);
}
pnp_set_drvdata(dev, info);
@@ -502,6 +502,7 @@ static void serial_pnp_remove(struct pnp_dev *dev)
serial8250_unregister_port(info->line);
if (info->override_disable)
dev->capabilities |= PNP_DISABLE;
+ dev->capabilities |= PNP_SUSPEND;
}
}
--
2.1.3
--
To unsubscribe from this list: send the line "unsubscribe linux-serial" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
