Replace ifdef with __maybe_unused to silence compiler warning on when
SUSPEND=n and PM=y:
drivers/char/hw_random/exynos-rng.c:166:12: warning: ‘exynos_rng_suspend’
defined but not used [-Wunused-function]
static int exynos_rng_suspend(struct device *dev)
^
drivers/char/hw_random/exynos-rng.c:171:12: warning: ‘exynos_rng_resume’
defined but not used [-Wunused-function]
static int exynos_rng_resume(struct device *dev)
Signed-off-by: Krzysztof Kozlowski <k.kozlow...@samsung.com>
---
drivers/char/hw_random/exynos-rng.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)
diff --git a/drivers/char/hw_random/exynos-rng.c
b/drivers/char/hw_random/exynos-rng.c
index 30cf4623184f..ada081232528 100644
--- a/drivers/char/hw_random/exynos-rng.c
+++ b/drivers/char/hw_random/exynos-rng.c
@@ -144,8 +144,7 @@ static int exynos_rng_probe(struct platform_device *pdev)
return devm_hwrng_register(&pdev->dev, &exynos_rng->rng);
}
-#ifdef CONFIG_PM
-static int exynos_rng_runtime_suspend(struct device *dev)
+static int __maybe_unused exynos_rng_runtime_suspend(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct exynos_rng *exynos_rng = platform_get_drvdata(pdev);
@@ -155,7 +154,7 @@ static int exynos_rng_runtime_suspend(struct device *dev)
return 0;
}
-static int exynos_rng_runtime_resume(struct device *dev)
+static int __maybe_unused exynos_rng_runtime_resume(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct exynos_rng *exynos_rng = platform_get_drvdata(pdev);
@@ -163,12 +162,12 @@ static int exynos_rng_runtime_resume(struct device *dev)
return clk_prepare_enable(exynos_rng->clk);
}
-static int exynos_rng_suspend(struct device *dev)
+static int __maybe_unused exynos_rng_suspend(struct device *dev)
{
return pm_runtime_force_suspend(dev);
}
-static int exynos_rng_resume(struct device *dev)
+static int __maybe_unused exynos_rng_resume(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct exynos_rng *exynos_rng = platform_get_drvdata(pdev);
@@ -180,7 +179,6 @@ static int exynos_rng_resume(struct device *dev)
return exynos_rng_configure(exynos_rng);
}
-#endif
static const struct dev_pm_ops exynos_rng_pm_ops = {
SET_SYSTEM_SLEEP_PM_OPS(exynos_rng_suspend, exynos_rng_resume)
--
2.5.0
--
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