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| author | Lionel Debieve <lionel.debieve@st.com> | 2019-04-01 12:30:45 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2019-04-15 17:35:10 +0800 |
| commit | af0d4442dd6813de6e77309063beb064fa8e89ae (patch) | |
| tree | d2ebf1b975e021ef0188eb34a4b4f5f8a7d92242 /drivers/char | |
| parent | eda69b0c06bc615f4b055d560ed19001619e611a (diff) | |
| download | lwn-af0d4442dd6813de6e77309063beb064fa8e89ae.tar.gz lwn-af0d4442dd6813de6e77309063beb064fa8e89ae.zip | |
hwrng: stm32 - fix unbalanced pm_runtime_enable
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>
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/hw_random/stm32-rng.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/char/hw_random/stm32-rng.c b/drivers/char/hw_random/stm32-rng.c index 042860d97b15..37b338a76ba4 100644 --- a/drivers/char/hw_random/stm32-rng.c +++ b/drivers/char/hw_random/stm32-rng.c @@ -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); |