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Diffstat (limited to 'meta-bsp/recipes-kernel/linux/linux-vuplus-4.1.45/vuduo4k/linux_usb_hub.patch')
-rw-r--r--meta-bsp/recipes-kernel/linux/linux-vuplus-4.1.45/vuduo4k/linux_usb_hub.patch29
1 files changed, 29 insertions, 0 deletions
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
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)