slimbus: ngd: mark PM functions as __maybe_unused
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  • slimbus: ngd: mark PM functions as __maybe_unused
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Commit Message

Arnd Bergmann Aug. 20, 2018, 9:35 a.m. UTC
qcom_slim_ngd_runtime_suspend is protected by an #ifdef,
qcom_slim_ngd_runtime_idle is now, which causes a build time warning:

drivers/slimbus/qcom-ngd-ctrl.c:1470:12: error: 'qcom_slim_ngd_runtime_idle' defined but not used [-Werror=unused-function]

Marking both as __maybe_unused lets us get rid of the warning
as well as the #ifdef.

Fixes: 917809e2280b ("slimbus: ngd: Add qcom SLIMBus NGD driver")
Signed-off-by: Arnd Bergmann <>
 drivers/slimbus/qcom-ngd-ctrl.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

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diff --git a/drivers/slimbus/qcom-ngd-ctrl.c b/drivers/slimbus/qcom-ngd-ctrl.c
index 8be4d6786c61..14a9d18306cb 100644
--- a/drivers/slimbus/qcom-ngd-ctrl.c
+++ b/drivers/slimbus/qcom-ngd-ctrl.c
@@ -1467,7 +1467,7 @@  static int qcom_slim_ngd_remove(struct platform_device *pdev)
 	return 0;
-static int qcom_slim_ngd_runtime_idle(struct device *dev)
+static int __maybe_unused qcom_slim_ngd_runtime_idle(struct device *dev)
 	struct qcom_slim_ngd_ctrl *ctrl = dev_get_drvdata(dev);
@@ -1477,8 +1477,7 @@  static int qcom_slim_ngd_runtime_idle(struct device *dev)
 	return -EAGAIN;
-#ifdef CONFIG_PM
-static int qcom_slim_ngd_runtime_suspend(struct device *dev)
+static int __maybe_unused qcom_slim_ngd_runtime_suspend(struct device *dev)
 	struct qcom_slim_ngd_ctrl *ctrl = dev_get_drvdata(dev);
 	int ret = 0;
@@ -1491,7 +1490,6 @@  static int qcom_slim_ngd_runtime_suspend(struct device *dev)
 	return ret;
 static const struct dev_pm_ops qcom_slim_ngd_dev_pm_ops = {