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Input: st-keyscan - fix 'defined but not used' compiler warnings

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Add #ifdef CONFIG_PM_SLEEP around keyscan_supend() and keyscan_resume() to
fix the following compiler warnings occuring if CONFIG_PM_SLEEP is unset:

  + /scratch/kisskb/src/drivers/input/keyboard/st-keyscan.c: warning: 'keyscan_resume' defined but not used [-Wunused-function]:  => 235:12
  + /scratch/kisskb/src/drivers/input/keyboard/st-keyscan.c: warning: 'keyscan_suspend' defined but not used [-Wunused-function]:  => 218:12

Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Link: https://lkml.org/lkml/2014/7/8/109
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Tobias Klauser 2014-07-08 15:18:07 -07:00 committed by Dmitry Torokhov
parent e76aed9da7
commit 2e58cdcc22
1 changed files with 2 additions and 0 deletions
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2
drivers/input/keyboard/st-keyscan.c
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@ -215,6 +215,7 @@ static int keyscan_probe(struct platform_device *pdev)
return 0;
}
#ifdef CONFIG_PM_SLEEP
static int keyscan_suspend(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
@ -249,6 +250,7 @@ static int keyscan_resume(struct device *dev)
mutex_unlock(&input->mutex);
return retval;
}
#endif
static SIMPLE_DEV_PM_OPS(keyscan_dev_pm_ops, keyscan_suspend, keyscan_resume);