[PATCH 5.19 341/717] ASoC: stm32: spdifrx: Fix PM disable depth imbalance in stm32_spdifrx_probe

Greg Kroah-Hartman
2022-10-22T08:58:37Z

From: Zhang Qilong <zhangqilong3@huawei.com>

[ Upstream commit 0325cc0ac7980e1c7b744aab8df59afab6daeb43 ]

The pm_runtime_enable will increase power disable depth. Thus
a pairing decrement is needed on the error handling path to
keep it balanced according to context. We fix it by moving
pm_runtime_enable to the endding of stm32_spdifrx_probe.

Fixes:ac5e3efd55868 ("ASoC: stm32: spdifrx: add pm_runtime support")

Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com>
Reviewed-by: Olivier Moysan <olivier.moysan@foss.st.com>
Link: https://lore.kernel.org/r/20220927142601.64266-3-zhangqilong3@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
sound/soc/stm/stm32_spdifrx.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/soc/stm/stm32_spdifrx.c b/sound/soc/stm/stm32_spdifrx.c
index 6f7882c4fe6a..60be4894e5fd 100644
--- a/sound/soc/stm/stm32_spdifrx.c
+++ b/sound/soc/stm/stm32_spdifrx.c
@@ -1001,8 +1001,6 @@ static int stm32_spdifrx_probe(struct platform_device *pdev)
udelay(2);
reset_control_deassert(rst);

- pm_runtime_enable(&pdev->dev);
-
pcm_config = &stm32_spdifrx_pcm_config;
ret = snd_dmaengine_pcm_register(&pdev->dev, pcm_config, 0);
if (ret)
@@ -1035,6 +1033,8 @@ static int stm32_spdifrx_probe(struct platform_device *pdev)
FIELD_GET(SPDIFRX_VERR_MIN_MASK, ver));
}

+ pm_runtime_enable(&pdev->dev);
+
return ret;

error:
--
2.35.1