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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 <jg1.han@samsung.com> Reported-by: David Rientjes <rientjes@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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1 changed files with 2 additions and 1 deletions
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@ -144,6 +144,7 @@ static int exynos_rng_remove(struct platform_device *pdev)
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return 0;
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}
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#if defined(CONFIG_PM_SLEEP) || defined(CONFIG_PM_RUNTIME)
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static int exynos_rng_runtime_suspend(struct device *dev)
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{
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struct platform_device *pdev = to_platform_device(dev);
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@ -161,7 +162,7 @@ static int exynos_rng_runtime_resume(struct device *dev)
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return clk_prepare_enable(exynos_rng->clk);
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}
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#endif
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static UNIVERSAL_DEV_PM_OPS(exynos_rng_pm_ops, exynos_rng_runtime_suspend,
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exynos_rng_runtime_resume, NULL);
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