From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Jiri Slaby <jirislaby@kernel.org>
Subject: [PATCH v1 1/1] serial: core: Restore sysfs fwnode information
Date: Thu, 27 Nov 2025 17:36:50 +0100 [thread overview]
Message-ID: <20251127163650.2942075-1-andriy.shevchenko@linux.intel.com> (raw)
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")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
drivers/tty/serial/serial_base_bus.c | 10 ++++++----
1 file 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);
}
--
2.50.1
next reply other threads:[~2025-11-27 16:36 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20251218152957eucas1p196470bc80be0d8a4037edfe6e53f3d13@eucas1p1.samsung.com>
2025-11-27 16:36 ` Andy Shevchenko [this message]
2025-11-27 19:07 ` [PATCH v1 1/1] serial: core: Restore sysfs fwnode information Greg Kroah-Hartman
2025-12-18 13:50 ` Cosmin Tanislav
2025-12-18 15:29 ` Marek Szyprowski
2025-12-18 16:54 ` Mark Brown
2025-12-22 10:55 ` Marek Szyprowski
2025-12-29 3:18 ` Dmitry Baryshkov
2025-12-29 12:38 ` Andy Shevchenko
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