Merge ../linus

4 files changed, 19 insertions, 9 deletions

diff --git a/drivers/usb/core/Kconfig b/drivers/usb/core/Kconfig
index ff03184da40..a08787e253a 100644
--- a/drivers/usb/core/Kconfig
+++ b/drivers/usb/core/Kconfig
@@ -99,4 +99,11 @@ config USB_OTG_WHITELIST
 	  normal Linux-USB hosts do (other than the warning), and is
 	  convenient for many stages of product development.
 
+config USB_OTG_BLACKLIST_HUB
+	bool "Disable external hubs"
+	depends on USB_OTG
+	help
+	  If you say Y here, then Linux will refuse to enumerate
+	  external hubs.  OTG hosts are allowed to reduce hardware
+	  and software costs by not supporting external hubs.
 
diff --git a/drivers/usb/core/hcd-pci.c b/drivers/usb/core/hcd-pci.c
index e0afb5ad29e..66b78404ab3 100644
--- a/drivers/usb/core/hcd-pci.c
+++ b/drivers/usb/core/hcd-pci.c
@@ -213,11 +213,9 @@ int usb_hcd_pci_suspend (struct pci_dev *dev, pm_message_t message)
 
 	if (hcd->driver->suspend) {
 		retval = hcd->driver->suspend(hcd, message);
-		if (retval) {
-			dev_dbg (&dev->dev, "PCI pre-suspend fail, %d\n",
-				retval);
+		suspend_report_result(hcd->driver->suspend, retval);
+		if (retval)
 			goto done;
-		}
 	}
 	synchronize_irq(dev->irq);
 
@@ -263,6 +261,7 @@ int usb_hcd_pci_suspend (struct pci_dev *dev, pm_message_t message)
 		 * some device state (e.g. as part of clock reinit).
 		 */
 		retval = pci_set_power_state (dev, PCI_D3hot);
+		suspend_report_result(pci_set_power_state, retval);
 		if (retval == 0) {
 			int wake = device_can_wakeup(&hcd->self.root_hub->dev);
 
@@ -296,7 +295,7 @@ done:
 
 #ifdef CONFIG_PPC_PMAC
 		/* Disable ASIC clocks for USB */
-		if (_machine == _MACH_Pmac) {
+		if (machine_is(powermac)) {
 			struct device_node	*of_node;
 
 			of_node = pci_device_to_OF_node (dev);
@@ -331,7 +330,7 @@ int usb_hcd_pci_resume (struct pci_dev *dev)
 
 #ifdef CONFIG_PPC_PMAC
 	/* Reenable ASIC clocks for USB */
-	if (_machine == _MACH_Pmac) {
+	if (machine_is(powermac)) {
 		struct device_node *of_node;
 
 		of_node = pci_device_to_OF_node (dev);
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 8e65f7a237e..0c87f73f293 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -836,6 +836,13 @@ static int hub_probe(struct usb_interface *intf, const struct usb_device_id *id)
 	desc = intf->cur_altsetting;
 	hdev = interface_to_usbdev(intf);
 
+#ifdef	CONFIG_USB_OTG_BLACKLIST_HUB
+	if (hdev->parent) {
+		dev_warn(&intf->dev, "ignoring external hub\n");
+		return -ENODEV;
+	}
+#endif
+
 	/* Some hubs have a subclass of 1, which AFAICT according to the */
 	/*  specs is not defined, but it works */
 	if ((desc->desc.bInterfaceSubClass != 0) &&
@@ -1022,7 +1029,6 @@ void usb_set_device_state(struct usb_device *udev,
 		recursively_mark_NOTATTACHED(udev);
 	spin_unlock_irqrestore(&device_state_lock, flags);
 }
-EXPORT_SYMBOL(usb_set_device_state);
 
 
 #ifdef CONFIG_PM
diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
index d7352aa73b5..b7fdc1cd134 100644
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c
@@ -1194,7 +1194,6 @@ EXPORT_SYMBOL(usb_disabled);
 EXPORT_SYMBOL_GPL(usb_get_intf);
 EXPORT_SYMBOL_GPL(usb_put_intf);
 
-EXPORT_SYMBOL(usb_alloc_dev);
 EXPORT_SYMBOL(usb_put_dev);
 EXPORT_SYMBOL(usb_get_dev);
 EXPORT_SYMBOL(usb_hub_tt_clear_buffer);
@@ -1208,7 +1207,6 @@ EXPORT_SYMBOL(usb_ifnum_to_if);
 EXPORT_SYMBOL(usb_altnum_to_altsetting);
 
 EXPORT_SYMBOL(usb_reset_device);
-EXPORT_SYMBOL(usb_disconnect);
 
 EXPORT_SYMBOL(__usb_get_extra_descriptor);