---

yaml
---
r: 131811
b: refs/heads/master
c: 1f9f13c
h: refs/heads/master
i:
  131809: b42b98f
  131807: 75c9a84
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: dbc7e1e567ef8cfc4b792ef6acb51d4ceb15746a
+refs/heads/master: 1f9f13c8d59c1d8da1a602b71d1ab96d1d37d69e

trunk/drivers/pci/pcie/aer/aerdrv_core.c

@@ -108,6 +108,34 @@ int pci_cleanup_aer_correct_error_status(struct pci_dev *dev)
 }
 #endif  /*  0  */
 
+
+static void set_device_error_reporting(struct pci_dev *dev, void *data)
+{
+	bool enable = *((bool *)data);
+
+	if (dev->pcie_type != PCIE_RC_PORT &&
+	    dev->pcie_type != PCIE_SW_UPSTREAM_PORT &&
+	    dev->pcie_type != PCIE_SW_DOWNSTREAM_PORT)
+		return;
+
+	if (enable)
+		pci_enable_pcie_error_reporting(dev);
+	else
+		pci_disable_pcie_error_reporting(dev);
+}
+
+/**
+ * set_downstream_devices_error_reporting - enable/disable the error reporting  bits on the root port and its downstream ports.
+ * @dev: pointer to root port's pci_dev data structure
+ * @enable: true = enable error reporting, false = disable error reporting.
+ */
+static void set_downstream_devices_error_reporting(struct pci_dev *dev,
+						   bool enable)
+{
+	set_device_error_reporting(dev, &enable);
+	pci_walk_bus(dev->subordinate, set_device_error_reporting, &enable);
+}
+
 static int find_device_iter(struct device *device, void *data)
 {
 	struct pci_dev *dev;
@@ -525,15 +553,11 @@ void aer_enable_rootport(struct aer_rpc *rpc)
 	pci_read_config_dword(pdev, aer_pos + PCI_ERR_UNCOR_STATUS, &reg32);
 	pci_write_config_dword(pdev, aer_pos + PCI_ERR_UNCOR_STATUS, reg32);
 
-	/* Enable Root Port device reporting error itself */
-	pci_read_config_word(pdev, pos+PCI_EXP_DEVCTL, &reg16);
-	reg16 = reg16 |
-		PCI_EXP_DEVCTL_CERE |
-		PCI_EXP_DEVCTL_NFERE |
-		PCI_EXP_DEVCTL_FERE |
-		PCI_EXP_DEVCTL_URRE;
-	pci_write_config_word(pdev, pos+PCI_EXP_DEVCTL,
-		reg16);
+	/*
+	 * Enable error reporting for the root port device and downstream port
+	 * devices.
+	 */
+	set_downstream_devices_error_reporting(pdev, true);
 
 	/* Enable Root Port's interrupt in response to error messages */
 	pci_write_config_dword(pdev,
@@ -553,6 +577,12 @@ static void disable_root_aer(struct aer_rpc *rpc)
 	u32 reg32;
 	int pos;
 
+	/*
+	 * Disable error reporting for the root port device and downstream port
+	 * devices.
+	 */
+	set_downstream_devices_error_reporting(pdev, false);
+
 	pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_ERR);
 	/* Disable Root's interrupt in response to error messages */
 	pci_write_config_dword(pdev, pos + PCI_ERR_ROOT_COMMAND, 0);

trunk/drivers/pci/pcie/portdrv_pci.c

@@ -97,8 +97,6 @@ static int __devinit pcie_portdrv_probe (struct pci_dev *dev,
 
 	pcie_portdrv_save_config(dev);
 
-	pci_enable_pcie_error_reporting(dev);
-
 	return 0;
 }