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[vuplus_openvuplus_3.0] / meta-bsp / recipes-kernel / linux / linux-vuplus-4.1.45 / vuduo4k / linux_usb_hub.patch

diff --git a/meta-bsp/recipes-kernel/linux/linux-vuplus-4.1.45/vuduo4k/linux_usb_hub.patch b/meta-bsp/recipes-kernel/linux/linux-vuplus-4.1.45/vuduo4k/linux_usb_hub.patch
new file mode 100644 (file)
index 0000000..bbb7e3c
--- /dev/null
+++ b/meta-bsp/recipes-kernel/linux/linux-vuplus-4.1.45/vuduo4k/linux_usb_hub.patch
@@ -0,0 +1,29 @@
+diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
+index 137276f..7a68c58 100644
+--- a/drivers/usb/core/hub.c
++++ b/drivers/usb/core/hub.c
+@@ -1043,6 +1043,12 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
+                       unsigned delay = hub_power_on_good_delay(hub);
+ 
+                       hub_power_on(hub, false);
++
++                      if( hdev->devnum == 1 && hdev->bus->busnum ==2 ){
++                              //dev_dbg(hub->hdev, "Found USB 3.0 RootHub");
++                              delay = 10000;
++                      }
++
+                       INIT_DELAYED_WORK(&hub->init_work, hub_init_func2);
+                       queue_delayed_work(system_power_efficient_wq,
+                                       &hub->init_work,
+@@ -5057,8 +5063,10 @@ static void hub_event(struct work_struct *work)
+               hub->error = 0;
+       }
+ 
++      msleep(1000);
+       /* deal with port status changes */
+-      for (i = 1; i <= hdev->maxchild; i++) {
++      //for (i = 1; i <= hdev->maxchild; i++) {
++      for (i = hdev->maxchild ; i >= 1; i--) {
+               struct usb_port *port_dev = hub->ports[i - 1];
+ 
+               if (test_bit(i, hub->event_bits)