USB: Allow autosuspend delay to equal 0

[powerpc.git] / drivers / usb / core / hub.c

diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 4140074..19abe81 100644 (file)
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -119,8 +119,7 @@ MODULE_PARM_DESC(use_both_schemes,
                "first one fails");
 
 
-#ifdef DEBUG
-static inline char *portspeed (int portstatus)
+static inline char *portspeed(int portstatus)
 {
        if (portstatus & (1 << USB_PORT_FEAT_HIGHSPEED))
                return "480 Mb/s";
@@ -129,7 +128,6 @@ static inline char *portspeed (int portstatus)
        else
                return "12 Mb/s";
 }
-#endif
 
 /* Note that hdev or one of its children must be locked! */
 static inline struct usb_hub *hdev_to_hub(struct usb_device *hdev)
@@ -1281,12 +1279,6 @@ int usb_new_device(struct usb_device *udev)
 {
        int err;
 
-       /* Lock ourself into memory in order to keep a probe sequence
-        * sleeping in a new thread from allowing us to be unloaded.
-        */
-       if (!try_module_get(THIS_MODULE))
-               return -EINVAL;
-
        /* Determine quirks */
        usb_detect_quirks(udev);
 
@@ -1390,7 +1382,6 @@ int usb_new_device(struct usb_device *udev)
                usb_autoresume_device(udev->parent);
 
 exit:
-       module_put(THIS_MODULE);
        return err;
 
 fail:
@@ -1864,12 +1855,7 @@ static int remote_wakeup(struct usb_device *udev)
        usb_lock_device(udev);
        if (udev->state == USB_STATE_SUSPENDED) {
                dev_dbg(&udev->dev, "usb %sresume\n", "wakeup-");
-               status = usb_autoresume_device(udev);
-
-               /* Give the interface drivers a chance to do something,
-                * then autosuspend the device again. */
-               if (status == 0)
-                       usb_autosuspend_device(udev);
+               status = usb_external_resume_device(udev);
        }
        usb_unlock_device(udev);
        return status;
@@ -1993,13 +1979,6 @@ static inline int remote_wakeup(struct usb_device *udev)
 #define hub_resume NULL
 #endif
 
-void usb_resume_root_hub(struct usb_device *hdev)
-{
-       struct usb_hub *hub = hdev_to_hub(hdev);
-
-       kick_khubd(hub);
-}
-
 
 /* USB 2.0 spec, 7.1.7.3 / fig 7-29:
  *
@@ -2443,7 +2422,7 @@ static void hub_port_connect_change(struct usb_hub *hub, int port1,
 
        if (portchange & USB_PORT_STAT_C_CONNECTION) {
                status = hub_port_debounce(hub, port1);
-               if (status < 0) {
+               if (status < 0 && printk_ratelimit()) {
                        dev_err (hub_dev,
                                "connect-debounce failed, port %d disabled\n",
                                port1);