diff mbox series

rtc: x-gene: mark PM functions as __maybe_unused

Message ID 20171108120815.3175571-1-arnd@arndb.de
State Accepted
Commit 573e2bf05421d0dc69dc3c604f286b3473d2f2cd
Headers show
Series rtc: x-gene: mark PM functions as __maybe_unused | expand

Commit Message

Arnd Bergmann Nov. 8, 2017, 12:08 p.m. UTC
The new xgene_rtc_alarm_irq_enabled() function is only accessed
from PM code, which is inside of an #ifdef; this causes a harmless
build warning when CONFIG_PM is disabled:

drivers/rtc/rtc-xgene.c:108:12: error: 'xgene_rtc_alarm_irq_enabled' defined but not used [-Werror=unused-function]

Just remove the #ifdef and use __maybe_unused annotations instead,
to make the code more robust here.

Fixes: 9f8f1c8b727d ("rtc: Fix suspend/resume for APM X-Gene SoC RTC driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

---
 drivers/rtc/rtc-xgene.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

-- 
2.9.0

Comments

Loc Ho Nov. 8, 2017, 5:26 p.m. UTC | #1
Hi,

> The new xgene_rtc_alarm_irq_enabled() function is only accessed

> from PM code, which is inside of an #ifdef; this causes a harmless

> build warning when CONFIG_PM is disabled:

>

> drivers/rtc/rtc-xgene.c:108:12: error: 'xgene_rtc_alarm_irq_enabled' defined but not used [-Werror=unused-function]

>

> Just remove the #ifdef and use __maybe_unused annotations instead,

> to make the code more robust here.


It sounds like desire to merge in the suspend/resume support as this
is in linux-next 14 hours ago.

Reviewed-by: Loc Ho <lho@apm.com>


-Loc
Alexandre Belloni Nov. 9, 2017, 12:17 a.m. UTC | #2
On 08/11/2017 at 13:08:10 +0100, Arnd Bergmann wrote:
> The new xgene_rtc_alarm_irq_enabled() function is only accessed

> from PM code, which is inside of an #ifdef; this causes a harmless

> build warning when CONFIG_PM is disabled:

> 

> drivers/rtc/rtc-xgene.c:108:12: error: 'xgene_rtc_alarm_irq_enabled' defined but not used [-Werror=unused-function]

> 

> Just remove the #ifdef and use __maybe_unused annotations instead,

> to make the code more robust here.

> 

> Fixes: 9f8f1c8b727d ("rtc: Fix suspend/resume for APM X-Gene SoC RTC driver")

> Signed-off-by: Arnd Bergmann <arnd@arndb.de>

> ---

>  drivers/rtc/rtc-xgene.c | 6 ++----

>  1 file changed, 2 insertions(+), 4 deletions(-)

> 

Applied, thanks.

-- 
Alexandre Belloni, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
diff mbox series

Patch

diff --git a/drivers/rtc/rtc-xgene.c b/drivers/rtc/rtc-xgene.c
index 360eae24a8c8..0c34d3b81279 100644
--- a/drivers/rtc/rtc-xgene.c
+++ b/drivers/rtc/rtc-xgene.c
@@ -221,8 +221,7 @@  static int xgene_rtc_remove(struct platform_device *pdev)
 	return 0;
 }
 
-#ifdef CONFIG_PM_SLEEP
-static int xgene_rtc_suspend(struct device *dev)
+static int __maybe_unused xgene_rtc_suspend(struct device *dev)
 {
 	struct platform_device *pdev = to_platform_device(dev);
 	struct xgene_rtc_dev *pdata = platform_get_drvdata(pdev);
@@ -246,7 +245,7 @@  static int xgene_rtc_suspend(struct device *dev)
 	return 0;
 }
 
-static int xgene_rtc_resume(struct device *dev)
+static int __maybe_unused xgene_rtc_resume(struct device *dev)
 {
 	struct platform_device *pdev = to_platform_device(dev);
 	struct xgene_rtc_dev *pdata = platform_get_drvdata(pdev);
@@ -271,7 +270,6 @@  static int xgene_rtc_resume(struct device *dev)
 
 	return 0;
 }
-#endif
 
 static SIMPLE_DEV_PM_OPS(xgene_rtc_pm_ops, xgene_rtc_suspend, xgene_rtc_resume);