From: Miaoqian Lin <linmq006@xxxxxxxxx>
[ Upstream commit e8fbd344a5ea62663554b8546b6bf9f88b93785a ]
pm_runtime_enable() will increase power disable depth. If
dw_pcie_ep_init() fails, we should use pm_runtime_disable() to balance it
with pm_runtime_enable().
Add missing pm_runtime_disable() for tegra_pcie_config_ep().
Fixes: c57247f940e8 ("PCI: tegra: Add support for PCIe endpoint mode in Tegra194")
Link: https://lore.kernel.org/r/20220602031910.55859-1-linmq006@xxxxxxxxx
Signed-off-by: Miaoqian Lin <linmq006@xxxxxxxxx>
Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
Reviewed-by: Vidya Sagar <vidyas@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/pci/controller/dwc/pcie-tegra194.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/pci/controller/dwc/pcie-tegra194.c b/drivers/pci/controller/dwc/pcie-tegra194.c
index a5b677ec0769..845f1e1de3ab 100644
--- a/drivers/pci/controller/dwc/pcie-tegra194.c
+++ b/drivers/pci/controller/dwc/pcie-tegra194.c
@@ -1970,6 +1970,7 @@ static int tegra_pcie_config_ep(struct tegra_pcie_dw *pcie,
if (ret) {
dev_err(dev, "Failed to initialize DWC Endpoint subsystem: %d\n",
ret);
+ pm_runtime_disable(dev);
return ret;
}
--
2.35.1
