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Subject[PATCH] platform/chrome: cros_ec_lightbar - hide unused PM functions
Date
The only reference to the new functions is inside of an #ifdef,
which now causes a harmless warning when CONFIG_PM_SLEEP is not set:

chrome/cros_ec_dev.c:478:12: error: 'ec_device_resume' defined but not used [-Werror=unused-function]
chrome/cros_ec_dev.c:469:12: error: 'ec_device_suspend' defined but not used [-Werror=unused-function]

This marks the two functions as __maybe_unused so they can get
silently dropped by the compiler.

Fixes: 405c84308c43 ("platform/chrome: cros_ec_lightbar - Control of suspend/resume lightbar sequence")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
drivers/platform/chrome/cros_ec_dev.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/platform/chrome/cros_ec_dev.c b/drivers/platform/chrome/cros_ec_dev.c
index b9bf086f7569..cf6c4f0846b8 100644
--- a/drivers/platform/chrome/cros_ec_dev.c
+++ b/drivers/platform/chrome/cros_ec_dev.c
@@ -466,7 +466,7 @@ static const struct platform_device_id cros_ec_id[] = {
};
MODULE_DEVICE_TABLE(platform, cros_ec_id);

-static int ec_device_suspend(struct device *dev)
+static __maybe_unused int ec_device_suspend(struct device *dev)
{
struct cros_ec_dev *ec = dev_get_drvdata(dev);

@@ -475,7 +475,7 @@ static int ec_device_suspend(struct device *dev)
return 0;
}

-static int ec_device_resume(struct device *dev)
+static __maybe_unused int ec_device_resume(struct device *dev)
{
struct cros_ec_dev *ec = dev_get_drvdata(dev);

--
2.9.0
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