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path: root/drivers/tty/serial/serial_base_bus.c
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Diffstat (limited to 'drivers/tty/serial/serial_base_bus.c')
-rw-r--r--drivers/tty/serial/serial_base_bus.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/tty/serial/serial_base_bus.c b/drivers/tty/serial/serial_base_bus.c
index 5d1677f1b651..22749ab0428a 100644
--- a/drivers/tty/serial/serial_base_bus.c
+++ b/drivers/tty/serial/serial_base_bus.c
@@ -13,6 +13,7 @@
#include <linux/device.h>
#include <linux/idr.h>
#include <linux/module.h>
+#include <linux/of.h>
#include <linux/serial_core.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
@@ -72,6 +73,7 @@ static int serial_base_device_init(struct uart_port *port,
dev->parent = parent_dev;
dev->bus = &serial_base_bus_type;
dev->release = release;
+ device_set_of_node_from_dev(dev, parent_dev);
if (!serial_base_initialized) {
dev_dbg(port->dev, "uart_add_one_port() called before arch_initcall()?\n");
@@ -92,6 +94,7 @@ static void serial_base_ctrl_release(struct device *dev)
{
struct serial_ctrl_device *ctrl_dev = to_serial_base_ctrl_device(dev);
+ of_node_put(dev->of_node);
kfree(ctrl_dev);
}
@@ -139,6 +142,7 @@ static void serial_base_port_release(struct device *dev)
{
struct serial_port_device *port_dev = to_serial_base_port_device(dev);
+ of_node_put(dev->of_node);
kfree(port_dev);
}