From a80c5422b1426699c279b74fe8d3e8a4e3c902de Mon Sep 17 00:00:00 2001 From: Jingoo Han Date: Tue, 12 Mar 2013 14:46:22 +0900 Subject: hwrng: exynos - add CONFIG_PM_SLEEP/CONFIG_PM_RUNTIME to suspend/resume This patch adds CONFIG_PM_SLEEP to suspend/resume functions to fix the following build warning when CONFIG_PM_SLEEP is not selected. drivers/char/hw_random/exynos-rng.c:147:12: warning: 'exynos_rng_runtime_suspend' defined but not used [-Wunused-function] drivers/char/hw_random/exynos-rng.c:157:12: warning: 'exynos_rng_runtime_resume' defined but not used [-Wunused-function] 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 Reported-by: David Rientjes Signed-off-by: Herbert Xu --- drivers/char/hw_random/exynos-rng.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/char/hw_random/exynos-rng.c b/drivers/char/hw_random/exynos-rng.c index ac47631..402ccfb 100644 --- a/drivers/char/hw_random/exynos-rng.c +++ b/drivers/char/hw_random/exynos-rng.c @@ -144,6 +144,7 @@ static int exynos_rng_remove(struct platform_device *pdev) return 0; } +#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); @@ -161,7 +162,7 @@ static int exynos_rng_runtime_resume(struct device *dev) return clk_prepare_enable(exynos_rng->clk); } - +#endif static UNIVERSAL_DEV_PM_OPS(exynos_rng_pm_ops, exynos_rng_runtime_suspend, exynos_rng_runtime_resume, NULL); -- cgit v1.1