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rtc: meson: mark PM functions as __maybe_unused

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The meson_vrtc_set_wakeup_time() function is only used by
the PM functions and causes a warning when they are disabled:

drivers/rtc/rtc-meson-vrtc.c:32:13: error: unused function 'meson_vrtc_set_wakeup_time' [-Werror,-Wunused-function]

Remove the #ifdef around the callers and add a __maybe_unused
annotation as a more reliable way to avoid these warnings.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Link: https://lore.kernel.org/r/20190906152438.1533833-1-arnd@arndb.de
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
Arnd Bergmann 2019-09-06 17:24:29 +02:00 committed by Alexandre Belloni
parent e02e3ddac7
commit b99a3120f9
1 changed files with 3 additions and 4 deletions
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7
drivers/rtc/rtc-meson-vrtc.c
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@ -91,8 +91,7 @@ static int meson_vrtc_probe(struct platform_device *pdev)
return 0;
}
#ifdef CONFIG_PM_SLEEP
static int meson_vrtc_suspend(struct device *dev)
static int __maybe_unused meson_vrtc_suspend(struct device *dev)
{
struct meson_vrtc_data *vrtc = dev_get_drvdata(dev);
@ -121,7 +120,7 @@ static int meson_vrtc_suspend(struct device *dev)
return 0;
}
static int meson_vrtc_resume(struct device *dev)
static int __maybe_unused meson_vrtc_resume(struct device *dev)
{
struct meson_vrtc_data *vrtc = dev_get_drvdata(dev);
@ -131,7 +130,7 @@ static int meson_vrtc_resume(struct device *dev)
meson_vrtc_set_wakeup_time(vrtc, 0);
return 0;
}
#endif
static SIMPLE_DEV_PM_OPS(meson_vrtc_pm_ops,
meson_vrtc_suspend, meson_vrtc_resume);