# \[PATCH 3/4\] dmaengine: at\_xdmac: use \_\_maybe\_unused for pm functions

- From: Claudiu Beznea \<hidden\>
- Date: 2021-10-07 11:13:30 
- List: linux-arm-kernel
- Page: https://ratatoskr.run/linux-arm-kernel/2021/10/1533911
- Thread: https://ratatoskr.run/linux-arm-kernel/2021/10/1533908/t.md

```text
Use __maybe_unused for pm functions.

Signed-off-by: Claudiu Beznea <redacted>
---
 drivers/dma/at_xdmac.c | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)

diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c
index e18abbd56fb5..12371396fcc0 100644
--- a/drivers/dma/at_xdmac.c
+++ b/drivers/dma/at_xdmac.c
@@ -1950,8 +1950,7 @@ static void at_xdmac_axi_config(struct platform_device *pdev)
 	}
 }
 
-#ifdef CONFIG_PM
-static int atmel_xdmac_prepare(struct device *dev)
+static int __maybe_unused atmel_xdmac_prepare(struct device *dev)
 {
 	struct at_xdmac		*atxdmac = dev_get_drvdata(dev);
 	struct dma_chan		*chan, *_chan;
@@ -1965,12 +1964,8 @@ static int atmel_xdmac_prepare(struct device *dev)
 	}
 	return 0;
 }
-#else
-#	define atmel_xdmac_prepare NULL
-#endif
 
-#ifdef CONFIG_PM_SLEEP
-static int atmel_xdmac_suspend(struct device *dev)
+static int __maybe_unused atmel_xdmac_suspend(struct device *dev)
 {
 	struct at_xdmac		*atxdmac = dev_get_drvdata(dev);
 	struct dma_chan		*chan, *_chan;
@@ -1994,7 +1989,7 @@ static int atmel_xdmac_suspend(struct device *dev)
 	return 0;
 }
 
-static int atmel_xdmac_resume(struct device *dev)
+static int __maybe_unused atmel_xdmac_resume(struct device *dev)
 {
 	struct at_xdmac		*atxdmac = dev_get_drvdata(dev);
 	struct at_xdmac_chan	*atchan;
@@ -2032,7 +2027,6 @@ static int atmel_xdmac_resume(struct device *dev)
 	}
 	return 0;
 }
-#endif /* CONFIG_PM_SLEEP */
 
 static int at_xdmac_probe(struct platform_device *pdev)
 {
-- 
2.25.1


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```