hwrng: exynos - add CONFIG_PM_RUNTIME to suspend/resume functions

[Jingoo Han]

Add CONFIG_PM_RUNTIME to suspend/resume functions to fix the build
error. It is because UNIVERSAL_DEV_PM_OPS macro is related to both
CONFIG_PM_SLEEP and CONFIG_PM_RUNTIME.

drivers/char/hw_random/exynos-rng.c:167:8: error: 'exynos_rng_runtime_suspend' undeclared here (not in a function)
drivers/char/hw_random/exynos-rng.c:167:8: error: 'exynos_rng_runtime_resume' undeclared here (not in a function)

Signed-off-by: Jingoo Han <jg1.han@xxxxxxxxxxx>
Reported-by: David Rientjes <rientjes@xxxxxxxxxx>
Cc: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
---
 drivers/char/hw_random/exynos-rng.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/char/hw_random/exynos-rng.c b/drivers/char/hw_random/exynos-rng.c
index b7e48a2..402ccfb 100644
--- a/drivers/char/hw_random/exynos-rng.c
+++ b/drivers/char/hw_random/exynos-rng.c
@@ -144,7 +144,7 @@ static int exynos_rng_remove(struct platform_device *pdev)
 	return 0;
 }
 
-#ifdef CONFIG_PM_SLEEP
+#if defined(CONFIG_PM_SLEEP) || defined(CONFIG_PM_RUNTIME)
 static int exynos_rng_runtime_suspend(struct device *dev)
 {
 	struct platform_device *pdev = to_platform_device(dev);
-- 
1.7.2.5


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