Hi Marek, I'm surprised you don't get deadlocks when you apply this patch. On Wed, Nov 21, 2018 at 04:45:04PM +0100, Marek Szyprowski wrote: > @@ -4020,9 +4008,7 @@ static int dwc2_hsotg_ep_disable(struct usb_ep *ep) > > epctrl_reg = dir_in ? DIEPCTL(index) : DOEPCTL(index); > > - locked = spin_is_locked(&hsotg->lock); > - if (!locked) > - spin_lock_irqsave(&hsotg->lock, flags); > + spin_lock_irqsave(&hsotg->lock, flags); > One of the callers is already holding the hsotg->log. The spin_is_locked() test would avoid the deadlock. regards, dan carpenter
