linux-kernel - [PATCH resend] clk: rs9: Convert to DEFINE_SIMPLE_DEV_PM

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Message-ID: <15f24d006fc782d501922d6c88e836976d69c7cb.1768993373.git.geert+renesas@glider.be>
Date: Wed, 21 Jan 2026 12:03:11 +0100
From: Geert Uytterhoeven <geert+renesas@...der.be>
To: Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>,
	Marek Vasut <marex@...x.de>
Cc: linux-clk@...r.kernel.org,
	linux-renesas-soc@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Geert Uytterhoeven <geert+renesas@...der.be>
Subject: [PATCH resend] clk: rs9: Convert to DEFINE_SIMPLE_DEV_PM_OPS()

Convert the Renesas 9-series PCIe clock generator driver from
SIMPLE_DEV_PM_OPS() to DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr().
This lets us drop the __maybe_unused annotations from its suspend and
resume callbacks, and reduces kernel size in case CONFIG_PM or
CONFIG_PM_SLEEP is disabled.

Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
---
 drivers/clk/clk-renesas-pcie.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/clk/clk-renesas-pcie.c b/drivers/clk/clk-renesas-pcie.c
index 6650e3440c7492cf..b9bee616afe8d4ef 100644
--- a/drivers/clk/clk-renesas-pcie.c
+++ b/drivers/clk/clk-renesas-pcie.c
@@ -359,7 +359,7 @@ static int rs9_probe(struct i2c_client *client)
 	return ret;
 }
 
-static int __maybe_unused rs9_suspend(struct device *dev)
+static int rs9_suspend(struct device *dev)
 {
 	struct rs9_driver_data *rs9 = dev_get_drvdata(dev);
 
@@ -369,7 +369,7 @@ static int __maybe_unused rs9_suspend(struct device *dev)
 	return 0;
 }
 
-static int __maybe_unused rs9_resume(struct device *dev)
+static int rs9_resume(struct device *dev)
 {
 	struct rs9_driver_data *rs9 = dev_get_drvdata(dev);
 	int ret;
@@ -415,12 +415,12 @@ static const struct of_device_id clk_rs9_of_match[] = {
 };
 MODULE_DEVICE_TABLE(of, clk_rs9_of_match);
 
-static SIMPLE_DEV_PM_OPS(rs9_pm_ops, rs9_suspend, rs9_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(rs9_pm_ops, rs9_suspend, rs9_resume);
 
 static struct i2c_driver rs9_driver = {
 	.driver = {
 		.name = "clk-renesas-pcie-9series",
-		.pm	= &rs9_pm_ops,
+		.pm	= pm_sleep_ptr(&rs9_pm_ops),
 		.of_match_table = clk_rs9_of_match,
 	},
 	.probe		= rs9_probe,
-- 
2.43.0