On Fri, 28 Dec 2007, Grant Likely wrote: > From: Grant Likely <[EMAIL PROTECTED]> > > This patch adds HDC support for the Cypress c67x00 family of devices.
One minor correction: > +static void c67x00_sched_done(unsigned long __c67x00) > +{ > + struct c67x00_hcd *c67x00 = (struct c67x00_hcd *)__c67x00; > + struct c67x00_urb_priv *urbp, *tmp; > + struct usb_hcd *hcd = c67x00_hcd_to_hcd(c67x00); > + struct urb *urb; > + int status; > + unsigned long flags; > + > + spin_lock_irqsave(&c67x00->lock, flags); > + > + /* Loop over the done list and give back all the urbs */ > + list_for_each_entry_safe(urbp, tmp, &c67x00->done_list, hep_node) { > + urb = urbp->urb; > + status = urbp->status; > + > + c67x00_release_urb(c67x00, urb); > + > + usb_hcd_unlink_urb_from_ep(hcd, urb); > + > + spin_unlock_irqrestore(&c67x00->lock, flags); > + usb_hcd_giveback_urb(hcd, urb, status); > + spin_lock_irqsave(&c67x00->lock, flags); The giveback routine is supposed to be called with interrupts disabled. Consequently you should use spin_unlock() and spin_lock() here, not the _irqsave/_irqrestore variants. > + } > + spin_unlock_irqrestore(&c67x00->lock, flags); > +} Alan Stern _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev