[PATCH v2] usb: dwc3: gadget: don't rely on jiffies while holding spinlock

__dwc3_gadget_wakeup() is called while holding a spinlock, then depends on jiffies in order to timeout while polling the USB core for a link state update. In the case the wakeup failed, the timeout will never happen and will also cause the cpu to stall until rcu_preempt kicks in. This switches to

[PATCH v2] usb: dwc3: gadget: don't rely on jiffies while holding spinlock

From: Nicolas Saenz Julienne __dwc3_gadget_wakeup() is called while holding a spinlock, then depends on jiffies in order to timeout while polling the USB core for a link state update. In the case the wakeup failed, the timeout will never happen and will also cause the