Commit 5c28bbeb authored Apr 01, 2019 by Lionel Debieve Committed by Greg Kroah-Hartman Dec 05, 2019

hwrng: stm32 - fix unbalanced pm_runtime_enable



commit af0d4442dd6813de6e77309063beb064fa8e89ae upstream.

No remove function implemented yet in the driver.
Without remove function, the pm_runtime implementation
complains when removing and probing again the driver.

Signed-off-by: Lionel Debieve <lionel.debieve@st.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 95101947

drivers/char/hw_random/stm32-rng.c

+8 −0

Original line number	Diff line number	Diff line
		@@ -169,6 +169,13 @@ static int stm32_rng_probe(struct platform_device *ofdev)
		return devm_hwrng_register(dev, &priv->rng);
		}

		static int stm32_rng_remove(struct platform_device *ofdev)
		{
		pm_runtime_disable(&ofdev->dev);

		return 0;
		}

		#ifdef CONFIG_PM
		static int stm32_rng_runtime_suspend(struct device *dev)
		{
		@@ -210,6 +217,7 @@ static struct platform_driver stm32_rng_driver = {
		.of_match_table = stm32_rng_match,
		},
		.probe = stm32_rng_probe,
		.remove = stm32_rng_remove,
		};

		module_platform_driver(stm32_rng_driver);