[PATCH v8 13/30] PCI: Move pcibios_root_bridge_prepare() to pci_create_host_bridge()

[Yijing Wang]

Move pcibios_root_bridge_prepare() to pci_create_host_bridge().

Signed-off-by: Yijing Wang <wangyijing@xxxxxxxxxx>
---
 drivers/pci/host-bridge.c |   16 +++++++++++++---
 drivers/pci/probe.c       |    3 ---
 2 files changed, 13 insertions(+), 6 deletions(-)

diff --git a/drivers/pci/host-bridge.c b/drivers/pci/host-bridge.c
index b0ed8da..87c4fc5 100644
--- a/drivers/pci/host-bridge.c
+++ b/drivers/pci/host-bridge.c
@@ -92,9 +92,7 @@ struct pci_host_bridge *pci_create_host_bridge(
 			pr_warn("pci host bridge pci%04x:%02x exist\n",
 					host->domain, bus);
 			mutex_unlock(&pci_host_mutex);
-			pci_free_resource_list(&host->windows);
-			kfree(host);
-			return NULL;
+			goto free_res;
 		}
 	}
 	list_add_tail(&host->list, &pci_host_bridge_list);
@@ -105,6 +103,10 @@ struct pci_host_bridge *pci_create_host_bridge(
 	dev_set_name(&host->dev, "pci%04x:%02x",
 			host->domain, bus);
 
+	error = pcibios_root_bridge_prepare(host);
+	if (error)
+		goto list_del;
+
 	error = device_register(&host->dev);
 	if (error) {
 		put_device(&host->dev);
@@ -112,6 +114,14 @@ struct pci_host_bridge *pci_create_host_bridge(
 	}
 
 	return host;
+list_del:
+	mutex_lock(&pci_host_mutex);
+	list_del(&host->list);
+	mutex_unlock(&pci_host_mutex);
+free_res:
+	pci_free_resource_list(&host->windows);
+	kfree(host);
+	return NULL;
 }
 
 void pci_free_host_bridge(struct pci_host_bridge *host)
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 418a426..ee17d9a 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -1893,9 +1893,6 @@ static struct pci_bus *__pci_create_root_bus(
 
 	bridge->bus = b;
 	b->bridge = get_device(&bridge->dev);
-	error = pcibios_root_bridge_prepare(bridge);
-	if (error)
-		goto put_dev;
 
 	pcibios_set_root_bus_speed(bridge);
 	device_enable_async_suspend(b->bridge);
-- 
1.7.1

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