usb: usb251xb: use modern PM macros

Use the modern PM macros for the suspend and resume functions to be
automatically dropped by the compiler when CONFIG_PM or
CONFIG_PM_SLEEP are disabled, without having to use __maybe_unused.

Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Reviewed-by: Richard Leitner <richard.leitner@linux.dev>
Link: https://lore.kernel.org/r/20250825234509.1041-3-jszhang@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/misc/usb251xb.c b/drivers/usb/misc/usb251xb.c
index 4fb453ca545013f8b89c43d3bb5cc6d1c53b39c9..cb2f946de42c13c25288378e1e7e9cf920562af0 100644 (file)
--- a/drivers/usb/misc/usb251xb.c
+++ b/drivers/usb/misc/usb251xb.c
@@ -698,7 +698,7 @@ static int usb251xb_i2c_probe(struct i2c_client *i2c)
        return usb251xb_probe(hub);
 }
 
-static int __maybe_unused usb251xb_suspend(struct device *dev)
+static int usb251xb_suspend(struct device *dev)
 {
        struct i2c_client *client = to_i2c_client(dev);
        struct usb251xb *hub = i2c_get_clientdata(client);
@@ -706,7 +706,7 @@ static int __maybe_unused usb251xb_suspend(struct device *dev)
        return regulator_disable(hub->vdd);
 }
 
-static int __maybe_unused usb251xb_resume(struct device *dev)
+static int usb251xb_resume(struct device *dev)
 {
        struct i2c_client *client = to_i2c_client(dev);
        struct usb251xb *hub = i2c_get_clientdata(client);
@@ -719,7 +719,7 @@ static int __maybe_unused usb251xb_resume(struct device *dev)
        return usb251xb_connect(hub);
 }
 
-static SIMPLE_DEV_PM_OPS(usb251xb_pm_ops, usb251xb_suspend, usb251xb_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(usb251xb_pm_ops, usb251xb_suspend, usb251xb_resume);
 
 static const struct i2c_device_id usb251xb_id[] = {
        { "usb2422" },
@@ -739,7 +739,7 @@ static struct i2c_driver usb251xb_i2c_driver = {
        .driver = {
                .name = DRIVER_NAME,
                .of_match_table = usb251xb_of_match,
-               .pm = &usb251xb_pm_ops,
+               .pm = pm_sleep_ptr(&usb251xb_pm_ops),
        },
        .probe = usb251xb_i2c_probe,
        .id_table = usb251xb_id,