tty: Remove unused API tty_port_register_device_serdev()

Remove API tty_port_register_device_serdev() which has no caller.

Signed-off-by: Zijun Hu <quic_zijuhu@quicinc.com>
Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20250423-remove_api-v1-1-fac673d09feb@quicinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/tty_port.c b/drivers/tty/tty_port.c
index 14cca33d226930f56ecbcce0d8ad8e90df8eee4f..4af1fbf73f51ca6eb321e7bf507a1cde74442b89 100644 (file)
--- a/drivers/tty/tty_port.c
+++ b/drivers/tty/tty_port.c
@@ -199,26 +199,6 @@ struct device *tty_port_register_device_attr_serdev(struct tty_port *port,
 }
 EXPORT_SYMBOL_GPL(tty_port_register_device_attr_serdev);
 
-/**
- * tty_port_register_device_serdev - register tty or serdev device
- * @port: tty_port of the device
- * @driver: tty_driver for this device
- * @index: index of the tty
- * @host: serial port hardware controller device
- * @parent: parent if exists, otherwise NULL
- *
- * Register a serdev or tty device depending on if the parent device has any
- * defined serdev clients or not.
- */
-struct device *tty_port_register_device_serdev(struct tty_port *port,
-               struct tty_driver *driver, unsigned index,
-               struct device *host, struct device *parent)
-{
-       return tty_port_register_device_attr_serdev(port, driver, index,
-                       host, parent, NULL, NULL);
-}
-EXPORT_SYMBOL_GPL(tty_port_register_device_serdev);
-
 /**
  * tty_port_unregister_device - deregister a tty or serdev device
  * @port: tty_port of the device

diff --git a/include/linux/tty_port.h b/include/linux/tty_port.h
index 1b861f2100b69f120971c7dd503d6635db1fb468..08f89a59836621b2c8864c46c4ed8883b3f9045b 100644 (file)
--- a/include/linux/tty_port.h
+++ b/include/linux/tty_port.h
@@ -147,9 +147,6 @@ struct device *tty_port_register_device_attr(struct tty_port *port,
                struct tty_driver *driver, unsigned index,
                struct device *device, void *drvdata,
                const struct attribute_group **attr_grp);
-struct device *tty_port_register_device_serdev(struct tty_port *port,
-               struct tty_driver *driver, unsigned index,
-               struct device *host, struct device *parent);
 struct device *tty_port_register_device_attr_serdev(struct tty_port *port,
                struct tty_driver *driver, unsigned index,
                struct device *host, struct device *parent, void *drvdata,