[PATCH 01/12] media: stm32: dcmi: Switch from __maybe_unused to pm_sleep_ptr()

Alain Volmat
2025-12-18T18:45:11Z

Letting the compiler remove these functions when the kernel is built
without CONFIG_PM_SLEEP support is simpler and less heavier for builds
than the use of __maybe_unused attributes.

Signed-off-by: Alain Volmat <alain.volmat@foss.st.com>
---
drivers/media/platform/st/stm32/stm32-dcmi.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/media/platform/st/stm32/stm32-dcmi.c b/drivers/media/platform/st/stm32/stm32-dcmi.c
index 13762861b769..07b67eb5b9dd 100644
--- a/drivers/media/platform/st/stm32/stm32-dcmi.c
+++ b/drivers/media/platform/st/stm32/stm32-dcmi.c
@@ -2092,7 +2092,7 @@ static void dcmi_remove(struct platform_device *pdev)
dma_release_channel(dcmi->dma_chan);
}

-static __maybe_unused int dcmi_runtime_suspend(struct device *dev)
+static int dcmi_runtime_suspend(struct device *dev)
{
struct stm32_dcmi *dcmi = dev_get_drvdata(dev);

@@ -2101,7 +2101,7 @@ static __maybe_unused int dcmi_runtime_suspend(struct device *dev)
return 0;
}

-static __maybe_unused int dcmi_runtime_resume(struct device *dev)
+static int dcmi_runtime_resume(struct device *dev)
{
struct stm32_dcmi *dcmi = dev_get_drvdata(dev);
int ret;
@@ -2113,7 +2113,7 @@ static __maybe_unused int dcmi_runtime_resume(struct device *dev)
return ret;
}

-static __maybe_unused int dcmi_suspend(struct device *dev)
+static int dcmi_suspend(struct device *dev)
{
/* disable clock */
pm_runtime_force_suspend(dev);
@@ -2124,7 +2124,7 @@ static __maybe_unused int dcmi_suspend(struct device *dev)
return 0;
}

-static __maybe_unused int dcmi_resume(struct device *dev)
+static int dcmi_resume(struct device *dev)
{
/* restore pinctl default state */
pinctrl_pm_select_default_state(dev);
@@ -2147,7 +2147,7 @@ static struct platform_driver stm32_dcmi_driver = {
.driver = {
.name = DRV_NAME,
.of_match_table = of_match_ptr(stm32_dcmi_of_match),
- .pm = &dcmi_pm_ops,
+ .pm = pm_sleep_ptr(&dcmi_pm_ops),
},
};

--
2.34.1