101 void usb_init_urb(struct urb *m_urb)  in usb_init_urb()  argument
103   if (m_urb) {  in usb_init_urb()
104     memset(m_urb, 0, sizeof(*m_urb));  in usb_init_urb()
105     m_urb->count = (atomic_t)ATOMIC_INIT(1);  in usb_init_urb()
106     spin_lock_init(&m_urb->lock);  in usb_init_urb()
128 void usb_free_urb(struct urb *m_urb)  in usb_free_urb()  argument
130   if (m_urb)  in usb_free_urb()
131     if (atomic_dec_and_test(&m_urb->count))  in usb_free_urb()
132       kfree(m_urb);  in usb_free_urb()
149 int usb_submit_urb(struct urb *m_urb, int mem_flags)  in usb_submit_urb()  argument
156   if (!m_urb || m_urb->hcpriv || !m_urb->complete)  in usb_submit_urb()
158   if (!(dev = m_urb->dev) ||  in usb_submit_urb()
179      return op->submit_urb (m_urb, mem_flags);  in usb_submit_urb()
181   m_urb->status = -EINPROGRESS;  in usb_submit_urb()
182   m_urb->actual_length = 0;  in usb_submit_urb()
183   m_urb->bandwidth = 0;  in usb_submit_urb()
188   pipe = m_urb->pipe;  in usb_submit_urb()
272     if (m_urb->number_of_packets <= 0)  in usb_submit_urb()
274     for (n = 0; n < m_urb->number_of_packets; n++) {  in usb_submit_urb()
275       len = m_urb->iso_frame_desc [n].length;  in usb_submit_urb()
278       m_urb->iso_frame_desc [n].status = (U32) -EXDEV;  in usb_submit_urb()
279       m_urb->iso_frame_desc [n].actual_length = 0;  in usb_submit_urb()
284   if (m_urb->transfer_buffer_length < 0)  in usb_submit_urb()
289   U32  orig_flags = m_urb->transfer_flags;  in usb_submit_urb()
330   m_urb->transfer_flags &= allowed;  in usb_submit_urb()
333   if (m_urb->transfer_flags != orig_flags) {  in usb_submit_urb()
335       orig_flags, m_urb->transfer_flags);  in usb_submit_urb()
343     if (m_urb->interval <= 0)  in usb_submit_urb()
348       if (m_urb->interval > (1024 * 8))  in usb_submit_urb()
349         m_urb->interval = 1024 * 8;  in usb_submit_urb()
356         if (m_urb->interval > 255)  in usb_submit_urb()
362         if (m_urb->interval > 1024)  in usb_submit_urb()
363           m_urb->interval = 1024;  in usb_submit_urb()
371     while (temp_p > m_urb->interval)  in usb_submit_urb()
373     m_urb->interval = temp_p;  in usb_submit_urb()
376   return op->submit_urb (m_urb, mem_flags);  in usb_submit_urb()
381 int usb_unlink_urb(struct urb *m_urb)  in usb_unlink_urb()  argument
383   if (m_urb && m_urb->dev && m_urb->dev->bus && m_urb->dev->bus->op)  in usb_unlink_urb()
384     return m_urb->dev->bus->op->unlink_urb(m_urb);  in usb_unlink_urb()