diff options
Diffstat (limited to 'drivers/pci/controller/dwc/pcie-qcom.c')
| -rw-r--r-- | drivers/pci/controller/dwc/pcie-qcom.c | 56 | 
1 files changed, 39 insertions, 17 deletions
| diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c index 4352c1cb926d..d185ea5fe996 100644 --- a/drivers/pci/controller/dwc/pcie-qcom.c +++ b/drivers/pci/controller/dwc/pcie-qcom.c @@ -1089,7 +1089,6 @@ static int qcom_pcie_host_init(struct pcie_port *pp)  	struct qcom_pcie *pcie = to_qcom_pcie(pci);  	int ret; -	pm_runtime_get_sync(pci->dev);  	qcom_ep_reset_assert(pcie);  	ret = pcie->ops->init(pcie); @@ -1126,7 +1125,6 @@ err_disable_phy:  	phy_power_off(pcie->phy);  err_deinit:  	pcie->ops->deinit(pcie); -	pm_runtime_put(pci->dev);  	return ret;  } @@ -1216,6 +1214,12 @@ static int qcom_pcie_probe(struct platform_device *pdev)  		return -ENOMEM;  	pm_runtime_enable(dev); +	ret = pm_runtime_get_sync(dev); +	if (ret < 0) { +		pm_runtime_disable(dev); +		return ret; +	} +  	pci->dev = dev;  	pci->ops = &dw_pcie_ops;  	pp = &pci->pp; @@ -1225,44 +1229,56 @@ static int qcom_pcie_probe(struct platform_device *pdev)  	pcie->ops = of_device_get_match_data(dev);  	pcie->reset = devm_gpiod_get_optional(dev, "perst", GPIOD_OUT_LOW); -	if (IS_ERR(pcie->reset)) -		return PTR_ERR(pcie->reset); +	if (IS_ERR(pcie->reset)) { +		ret = PTR_ERR(pcie->reset); +		goto err_pm_runtime_put; +	}  	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "parf");  	pcie->parf = devm_ioremap_resource(dev, res); -	if (IS_ERR(pcie->parf)) -		return PTR_ERR(pcie->parf); +	if (IS_ERR(pcie->parf)) { +		ret = PTR_ERR(pcie->parf); +		goto err_pm_runtime_put; +	}  	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dbi");  	pci->dbi_base = devm_pci_remap_cfg_resource(dev, res); -	if (IS_ERR(pci->dbi_base)) -		return PTR_ERR(pci->dbi_base); +	if (IS_ERR(pci->dbi_base)) { +		ret = PTR_ERR(pci->dbi_base); +		goto err_pm_runtime_put; +	}  	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "elbi");  	pcie->elbi = devm_ioremap_resource(dev, res); -	if (IS_ERR(pcie->elbi)) -		return PTR_ERR(pcie->elbi); +	if (IS_ERR(pcie->elbi)) { +		ret = PTR_ERR(pcie->elbi); +		goto err_pm_runtime_put; +	}  	pcie->phy = devm_phy_optional_get(dev, "pciephy"); -	if (IS_ERR(pcie->phy)) -		return PTR_ERR(pcie->phy); +	if (IS_ERR(pcie->phy)) { +		ret = PTR_ERR(pcie->phy); +		goto err_pm_runtime_put; +	}  	ret = pcie->ops->get_resources(pcie);  	if (ret) -		return ret; +		goto err_pm_runtime_put;  	pp->ops = &qcom_pcie_dw_ops;  	if (IS_ENABLED(CONFIG_PCI_MSI)) {  		pp->msi_irq = platform_get_irq_byname(pdev, "msi"); -		if (pp->msi_irq < 0) -			return pp->msi_irq; +		if (pp->msi_irq < 0) { +			ret = pp->msi_irq; +			goto err_pm_runtime_put; +		}  	}  	ret = phy_init(pcie->phy);  	if (ret) {  		pm_runtime_disable(&pdev->dev); -		return ret; +		goto err_pm_runtime_put;  	}  	platform_set_drvdata(pdev, pcie); @@ -1271,10 +1287,16 @@ static int qcom_pcie_probe(struct platform_device *pdev)  	if (ret) {  		dev_err(dev, "cannot initialize host\n");  		pm_runtime_disable(&pdev->dev); -		return ret; +		goto err_pm_runtime_put;  	}  	return 0; + +err_pm_runtime_put: +	pm_runtime_put(dev); +	pm_runtime_disable(dev); + +	return ret;  }  static const struct of_device_id qcom_pcie_match[] = { |