# \[PATCH 03/10\] spi: switch to using class\_find\_device\_by\_fwnode()

- From: Dmitry Torokhov \<dmitry.torokhov@gmail.com\>
- Date: 2026-03-23 01:54:44 
- List: netdev
- Page: https://ratatoskr.run/netdev/2026/03/3473909
- Thread: https://ratatoskr.run/netdev/2026/03/3473906/t.md

```text
In preparation to class_find_device_by_of_node() going away switch to
using class_find_device_by_fwnode().

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
---
 drivers/spi/spi.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index bf1df365f795..071a9ffdb59d 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -21,6 +21,7 @@
 #include <linux/kthread.h>
 #include <linux/mod_devicetable.h>
 #include <linux/mutex.h>
+#include <linux/of.h>
 #include <linux/of_device.h>
 #include <linux/of_irq.h>
 #include <linux/percpu.h>
@@ -4948,11 +4949,12 @@ EXPORT_SYMBOL_GPL(spi_write_then_read);
 /* The spi controllers are not using spi_bus, so we find it with another way */
 struct spi_controller *of_find_spi_controller_by_node(struct device_node *node)
 {
+	struct fwnode_handle *fwnode = of_fwnode_handle(node);
 	struct device *dev;
 
-	dev = class_find_device_by_of_node(&spi_controller_class, node);
+	dev = class_find_device_by_fwnode(&spi_controller_class, fwnode);
 	if (!dev && IS_ENABLED(CONFIG_SPI_SLAVE))
-		dev = class_find_device_by_of_node(&spi_target_class, node);
+		dev = class_find_device_by_fwnode(&spi_target_class, fwnode);
 	if (!dev)
 		return NULL;
 

-- 
2.53.0.959.g497ff81fa9-goog

```