Hi Zhang,

Thanks.You can add my: Reviewed-by: Olivier Moysan olivier.moysan@foss.st.com

BRs

On 9/26/22 15:41, Zhang Qilong wrote:

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_i2s_probe.

Fixes:32a956a1fadf ("ASoC: stm32: i2s: add pm_runtime support") Signed-off-by: Zhang Qilong zhangqilong3@huawei.com

---

v2:

• Move pm_runtime_enable to the endding of stm32_i2s_probe and correct fixes commit.

---

sound/soc/stm/stm32_i2s.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/soc/stm/stm32_i2s.c b/sound/soc/stm/stm32_i2s.c index 6aafe793eec4..ce7f6942308f 100644 --- a/sound/soc/stm/stm32_i2s.c +++ b/sound/soc/stm/stm32_i2s.c @@ -1136,8 +1136,6 @@ static int stm32_i2s_probe(struct platform_device *pdev) return dev_err_probe(&pdev->dev, PTR_ERR(i2s->regmap), "Regmap init error\n");

• pm_runtime_enable(&pdev->dev);
• ret = snd_dmaengine_pcm_register(&pdev->dev, &stm32_i2s_pcm_config, 0); if (ret) return dev_err_probe(&pdev->dev, ret, "PCM DMA register error\n");

@@ -1180,6 +1178,8 @@ static int stm32_i2s_probe(struct platform_device *pdev) FIELD_GET(I2S_VERR_MIN_MASK, val)); }

• pm_runtime_enable(&pdev->dev);

• return ret;

  error: