PCI: dra7xx: Disable pm_runtime on get_sync failure

Fix the error handling when pm_runtime_get_sync() fails.

If pm_runtime_get_sync() fails, call pm_runtime_disable() so there are no
unbalanced pm_runtime_enable() calls.
Signed-off-by: NKishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: NBjorn Helgaas <bhelgaas@google.com>
Reviewed-by: NJingoo Han <jingoohan1@gmail.com>

drivers/pci/host/pci-dra7xx.c

@@ -384,7 +384,7 @@ static int __init dra7xx_pcie_probe(struct platform_device *pdev)
 	ret = pm_runtime_get_sync(dev);
 	if (IS_ERR_VALUE(ret)) {
 		dev_err(dev, "pm_runtime_get_sync failed\n");
-		goto err_phy;
+		goto err_get_sync;
 	}
 
 	reg = dra7xx_pcie_readl(dra7xx, PCIECTRL_DRA7XX_CONF_DEVICE_CMD);
@@ -401,6 +401,8 @@ static int __init dra7xx_pcie_probe(struct platform_device *pdev)
 
 err_add_port:
 	pm_runtime_put(dev);
+
+err_get_sync:
 	pm_runtime_disable(dev);
 
 err_phy: