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mfd: as3722: Mark PM functions as __maybe_unused

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The newly introduced as3722_i2c_suspend/resume functions are built
unconditionally, but only used when power management is enabled,
so we get a warning otherwise:

drivers/mfd/as3722.c:427:12: warning: 'as3722_i2c_suspend' defined but not used [-Wunused-function]
drivers/mfd/as3722.c:438:12: warning: 'as3722_i2c_resume' defined but not used [-Wunused-function]

This marks them both as __maybe_unused, which avoids an ugly #ifdef
and gives us best compile-time coverage. When they are unused, the
compiler will silently drop the functions from its output.

Signed-off-by: Arnd Bergmann <[email protected]>
Fixes: 35deff7eb2 ("mfd: as3722: Handle interrupts on suspend")
Signed-off-by: Lee Jones <[email protected]>
This commit is contained in:
Arnd Bergmann 2015-12-08 16:21:05 +01:00 • committed by Lee Jones
commit a7b956fd38
1 changed files with 2 additions and 2 deletions
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4
drivers/mfd/as3722.c
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@ -424,7 +424,7 @@ static int as3722_i2c_remove(struct i2c_client *i2c)
return 0;
}
static int as3722_i2c_suspend(struct device *dev)
static int __maybe_unused as3722_i2c_suspend(struct device *dev)
{
struct as3722 *as3722 = dev_get_drvdata(dev);
@ -435,7 +435,7 @@ static int as3722_i2c_suspend(struct device *dev)
return 0;
}
static int as3722_i2c_resume(struct device *dev)
static int __maybe_unused as3722_i2c_resume(struct device *dev)
{
struct as3722 *as3722 = dev_get_drvdata(dev);