linux-kernel - [PATCH v2 2/3] usb: usb251xb: use modern PM macros

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Message-ID: <20250819002217.30249-3-jszhang@kernel.org>
Date: Tue, 19 Aug 2025 08:22:16 +0800
From: Jisheng Zhang <jszhang@...nel.org>
To: Richard Leitner <richard.leitner@...ux.dev>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>
Cc: linux-usb@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v2 2/3] 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@...nel.org>
---
 drivers/usb/misc/usb251xb.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/usb/misc/usb251xb.c b/drivers/usb/misc/usb251xb.c
index 4fb453ca5450..cb2f946de42c 100644
--- 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,
-- 
2.50.0