[PATCH] ASoC: amd: Rectifying Unbalanced pm_runtime_enable! issue

From: Ravulapati Vishnu vardhan rao
Date: Tue Jun 30 2020 - 05:26:54 EST


When snd_pci_acp3x driver loads we see:

WARNING kernel:snd_pci_acp3x 0000:04:00.5: Unbalanced pm_runtime_enable!
at boot time.
same can be observed in /var/log/messages/.

Modifying pm runtime sequence for fixing unbalanced pm issue.

Signed-off-by: Ravulapati Vishnu vardhan rao <Vishnuvardhanrao.Ravulapati@xxxxxxx>
---
sound/soc/amd/raven/pci-acp3x.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/sound/soc/amd/raven/pci-acp3x.c b/sound/soc/amd/raven/pci-acp3x.c
index f25ce50f1a90..ebf4388b6262 100644
--- a/sound/soc/amd/raven/pci-acp3x.c
+++ b/sound/soc/amd/raven/pci-acp3x.c
@@ -232,9 +232,7 @@ static int snd_acp3x_probe(struct pci_dev *pci,
}
pm_runtime_set_autosuspend_delay(&pci->dev, 2000);
pm_runtime_use_autosuspend(&pci->dev);
- pm_runtime_set_active(&pci->dev);
pm_runtime_put_noidle(&pci->dev);
- pm_runtime_enable(&pci->dev);
pm_runtime_allow(&pci->dev);
return 0;

@@ -303,7 +301,7 @@ static void snd_acp3x_remove(struct pci_dev *pci)
ret = acp3x_deinit(adata->acp3x_base);
if (ret)
dev_err(&pci->dev, "ACP de-init failed\n");
- pm_runtime_disable(&pci->dev);
+ pm_runtime_forbid(&pci->dev);
pm_runtime_get_noresume(&pci->dev);
pci_disable_msi(pci);
pci_release_regions(pci);
--
2.17.1