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Subject: media: imx8mq-mipi-csi2: Switch to RUNTIME/SYSTEM_SLEEP_PM_OPS()
Author:  Fabio Estevam <feste...@denx.de>
Date:    Wed Aug 7 15:26:10 2024 -0300

Replace SET_RUNTIME_PM_OPS()/SET SYSTEM_SLEEP_PM_OPS() with their modern
RUNTIME_PM_OPS() and SYSTEM_SLEEP_PM_OPS() alternatives.

The combined usage of pm_ptr() and RUNTIME_PM_OPS/SYSTEM_SLEEP_PM_OPS()
allows the compiler to evaluate if the runtime suspend/resume() functions
are used at build time or are simply dead code.

This allows removing the __maybe_unused notation from the runtime
suspend/resume() functions..

Signed-off-by: Fabio Estevam <feste...@denx.de>
Reviewed-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
Link: https://lore.kernel.org/r/20240807182610.81244-2-feste...@gmail.com
Signed-off-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>

 drivers/media/platform/nxp/imx8mq-mipi-csi2.c | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

---

diff --git a/drivers/media/platform/nxp/imx8mq-mipi-csi2.c 
b/drivers/media/platform/nxp/imx8mq-mipi-csi2.c
index ba2e81f24965..d4a6c5532969 100644
--- a/drivers/media/platform/nxp/imx8mq-mipi-csi2.c
+++ b/drivers/media/platform/nxp/imx8mq-mipi-csi2.c
@@ -693,7 +693,7 @@ unlock:
        return ret ? -EAGAIN : 0;
 }
 
-static int __maybe_unused imx8mq_mipi_csi_suspend(struct device *dev)
+static int imx8mq_mipi_csi_suspend(struct device *dev)
 {
        struct v4l2_subdev *sd = dev_get_drvdata(dev);
        struct csi_state *state = mipi_sd_to_csi2_state(sd);
@@ -705,7 +705,7 @@ static int __maybe_unused imx8mq_mipi_csi_suspend(struct 
device *dev)
        return 0;
 }
 
-static int __maybe_unused imx8mq_mipi_csi_resume(struct device *dev)
+static int imx8mq_mipi_csi_resume(struct device *dev)
 {
        struct v4l2_subdev *sd = dev_get_drvdata(dev);
        struct csi_state *state = mipi_sd_to_csi2_state(sd);
@@ -716,7 +716,7 @@ static int __maybe_unused imx8mq_mipi_csi_resume(struct 
device *dev)
        return imx8mq_mipi_csi_pm_resume(dev);
 }
 
-static int __maybe_unused imx8mq_mipi_csi_runtime_suspend(struct device *dev)
+static int imx8mq_mipi_csi_runtime_suspend(struct device *dev)
 {
        struct v4l2_subdev *sd = dev_get_drvdata(dev);
        struct csi_state *state = mipi_sd_to_csi2_state(sd);
@@ -731,7 +731,7 @@ static int __maybe_unused 
imx8mq_mipi_csi_runtime_suspend(struct device *dev)
        return ret;
 }
 
-static int __maybe_unused imx8mq_mipi_csi_runtime_resume(struct device *dev)
+static int imx8mq_mipi_csi_runtime_resume(struct device *dev)
 {
        struct v4l2_subdev *sd = dev_get_drvdata(dev);
        struct csi_state *state = mipi_sd_to_csi2_state(sd);
@@ -747,10 +747,9 @@ static int __maybe_unused 
imx8mq_mipi_csi_runtime_resume(struct device *dev)
 }
 
 static const struct dev_pm_ops imx8mq_mipi_csi_pm_ops = {
-       SET_RUNTIME_PM_OPS(imx8mq_mipi_csi_runtime_suspend,
-                          imx8mq_mipi_csi_runtime_resume,
-                          NULL)
-       SET_SYSTEM_SLEEP_PM_OPS(imx8mq_mipi_csi_suspend, imx8mq_mipi_csi_resume)
+       RUNTIME_PM_OPS(imx8mq_mipi_csi_runtime_suspend,
+                      imx8mq_mipi_csi_runtime_resume, NULL)
+       SYSTEM_SLEEP_PM_OPS(imx8mq_mipi_csi_suspend, imx8mq_mipi_csi_resume)
 };
 
 /* 
-----------------------------------------------------------------------------
@@ -958,7 +957,7 @@ static struct platform_driver imx8mq_mipi_csi_driver = {
        .driver         = {
                .of_match_table = imx8mq_mipi_csi_of_match,
                .name           = MIPI_CSI2_DRIVER_NAME,
-               .pm             = &imx8mq_mipi_csi_pm_ops,
+               .pm             = pm_ptr(&imx8mq_mipi_csi_pm_ops),
        },
 };
 

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