linux-kernel - [PATCH] hwrng: imx-rngc - switch to DEFINE_SIMPLE_DEV_PM

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Message-Id: <20230616155921.1365031-1-martin@kaiser.cx>
Date:   Fri, 16 Jun 2023 16:59:21 +0100
From:   Martin Kaiser <martin@...ser.cx>
To:     Herbert Xu <herbert@...dor.apana.org.au>
Cc:     linux-crypto@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, Martin Kaiser <martin@...ser.cx>
Subject: [PATCH] hwrng: imx-rngc - switch to DEFINE_SIMPLE_DEV_PM_OPS

SIMPLE_DEV_PM_OPS is deprecated, replace it with DEFINE_SIMPLE_DEV_PM_OPS
and use pm_sleep_ptr for setting the driver's pm routines. We can now
remove the __maybe_unused qualifier in the suspend and resume functions.

Signed-off-by: Martin Kaiser <martin@...ser.cx>
---
 drivers/char/hw_random/imx-rngc.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/char/hw_random/imx-rngc.c b/drivers/char/hw_random/imx-rngc.c
index e5a9dee615c8..bf07f17f78c8 100644
--- a/drivers/char/hw_random/imx-rngc.c
+++ b/drivers/char/hw_random/imx-rngc.c
@@ -298,7 +298,7 @@ static int __init imx_rngc_probe(struct platform_device *pdev)
 	return 0;
 }
 
-static int __maybe_unused imx_rngc_suspend(struct device *dev)
+static int imx_rngc_suspend(struct device *dev)
 {
 	struct imx_rngc *rngc = dev_get_drvdata(dev);
 
@@ -307,7 +307,7 @@ static int __maybe_unused imx_rngc_suspend(struct device *dev)
 	return 0;
 }
 
-static int __maybe_unused imx_rngc_resume(struct device *dev)
+static int imx_rngc_resume(struct device *dev)
 {
 	struct imx_rngc *rngc = dev_get_drvdata(dev);
 
@@ -316,7 +316,7 @@ static int __maybe_unused imx_rngc_resume(struct device *dev)
 	return 0;
 }
 
-static SIMPLE_DEV_PM_OPS(imx_rngc_pm_ops, imx_rngc_suspend, imx_rngc_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(imx_rngc_pm_ops, imx_rngc_suspend, imx_rngc_resume);
 
 static const struct of_device_id imx_rngc_dt_ids[] = {
 	{ .compatible = "fsl,imx25-rngb" },
@@ -327,7 +327,7 @@ MODULE_DEVICE_TABLE(of, imx_rngc_dt_ids);
 static struct platform_driver imx_rngc_driver = {
 	.driver = {
 		.name = KBUILD_MODNAME,
-		.pm = &imx_rngc_pm_ops,
+		.pm = pm_sleep_ptr(&imx_rngc_pm_ops),
 		.of_match_table = imx_rngc_dt_ids,
 	},
 };
-- 
2.30.2