summaryrefslogtreecommitdiff
path: root/drivers/tty
diff options
context:
space:
mode:
authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2025-11-27 17:36:50 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2026-01-02 12:57:15 +0100
commitc255a5164c58ae6c0f993e431843a965088e6ed8 (patch)
treebca7ca2cd52c3ed50674a24456eb127893445153 /drivers/tty
parent864deb6cf1c071cf10ef138e184c4666631dbcf8 (diff)
downloadlinux-c255a5164c58ae6c0f993e431843a965088e6ed8.tar.gz
linux-c255a5164c58ae6c0f993e431843a965088e6ed8.tar.bz2
linux-c255a5164c58ae6c0f993e431843a965088e6ed8.zip
serial: core: Restore sysfs fwnode information
commit 24ec03cc55126b7b3adf102f4b3d9f716532b329 upstream. The change that restores sysfs fwnode information does it only for OF cases. Update the fix to cover all possible types of fwnodes. Fixes: d36f0e9a0002 ("serial: core: restore of_node information in sysfs") Cc: stable <stable@kernel.org> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://patch.msgid.link/20251127163650.2942075-1-andriy.shevchenko@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty')
-rw-r--r--drivers/tty/serial/serial_base_bus.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/tty/serial/serial_base_bus.c b/drivers/tty/serial/serial_base_bus.c
index 22749ab0428a..8e891984cdc0 100644
--- a/drivers/tty/serial/serial_base_bus.c
+++ b/drivers/tty/serial/serial_base_bus.c
@@ -13,7 +13,7 @@
#include <linux/device.h>
#include <linux/idr.h>
#include <linux/module.h>
-#include <linux/of.h>
+#include <linux/property.h>
#include <linux/serial_core.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
@@ -60,6 +60,7 @@ void serial_base_driver_unregister(struct device_driver *driver)
driver_unregister(driver);
}
+/* On failure the caller must put device @dev with put_device() */
static int serial_base_device_init(struct uart_port *port,
struct device *dev,
struct device *parent_dev,
@@ -73,7 +74,8 @@ 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);
+
+ device_set_node(dev, fwnode_handle_get(dev_fwnode(parent_dev)));
if (!serial_base_initialized) {
dev_dbg(port->dev, "uart_add_one_port() called before arch_initcall()?\n");
@@ -94,7 +96,7 @@ 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);
+ fwnode_handle_put(dev_fwnode(dev));
kfree(ctrl_dev);
}
@@ -142,7 +144,7 @@ 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);
+ fwnode_handle_put(dev_fwnode(dev));
kfree(port_dev);
}