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Commit 27d80fa8 authored by Krzysztof Kozlowski's avatar Krzysztof Kozlowski Committed by Herbert Xu
Browse files

hwrng: exynos - Disable runtime PM on driver unbind 



Driver enabled runtime PM but did not revert this on removal. Re-binding
of a device triggered warning:
	exynos-rng 10830400.rng: Unbalanced pm_runtime_enable!

Fixes: b329669e ("hwrng: exynos - Add support for Exynos random number generator")
Signed-off-by: default avatarKrzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 48a61e1e

drivers/char/hw_random/exynos-rng.c

+9 −0
Original line number Diff line number Diff line
@@ -156,6 +156,14 @@ static int exynos_rng_probe(struct platform_device *pdev) 
	return ret;

}



static int exynos_rng_remove(struct platform_device *pdev)

{

	pm_runtime_dont_use_autosuspend(&pdev->dev);

	pm_runtime_disable(&pdev->dev);



	return 0;

}



static int __maybe_unused exynos_rng_runtime_suspend(struct device *dev)

{

	struct platform_device *pdev = to_platform_device(dev);
@@ -213,6 +221,7 @@ static struct platform_driver exynos_rng_driver = { 
		.of_match_table = exynos_rng_dt_match,

	},

	.probe		= exynos_rng_probe,

	.remove		= exynos_rng_remove,

};



module_platform_driver(exynos_rng_driver);