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[media] atmel-isc: mark PM functions as __maybe_unused 

The newly added atmel-isc driver uses SET_RUNTIME_PM_OPS() to
refer to its suspend/resume functions, causing a warning when
CONFIG_PM is not set:

media/platform/atmel/atmel-isc.c:1477:12: error: 'isc_runtime_resume' defined but not used [-Werror=unused-function]
media/platform/atmel/atmel-isc.c:1467:12: error: 'isc_runtime_suspend' defined but not used [-Werror=unused-function]

This adds __maybe_unused annotations to avoid the warning without
adding an error-prone #ifdef around it.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Arnd Bergmann 2016-09-12 12:32:58 -03:00 committed by Mauro Carvalho Chehab
parent 37f0644f3a
commit b7e5063589
1 changed files with 2 additions and 2 deletions
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4
drivers/media/platform/atmel/atmel-isc.c
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@ -1470,7 +1470,7 @@ static int atmel_isc_remove(struct platform_device *pdev)
return 0;
}
static int isc_runtime_suspend(struct device *dev)
static int __maybe_unused isc_runtime_suspend(struct device *dev)
{
struct isc_device *isc = dev_get_drvdata(dev);
@ -1480,7 +1480,7 @@ static int isc_runtime_suspend(struct device *dev)
return 0;
}
static int isc_runtime_resume(struct device *dev)
static int __maybe_unused isc_runtime_resume(struct device *dev)
{
struct isc_device *isc = dev_get_drvdata(dev);
int ret;