Lines Matching refs:urbs
81 /* dlfb keeps a list of urbs for efficient bulk transfers */
1800 /* When non-active we'll update virtual framebuffer, but no new urbs */
1803 /* this function will wait for all in-flight urbs to complete */
1846 urb->transfer_buffer_length = dlfb->urbs.size; /* reset to actual */
1848 spin_lock_irqsave(&dlfb->urbs.lock, flags);
1849 list_add_tail(&unode->entry, &dlfb->urbs.list);
1850 dlfb->urbs.available++;
1851 spin_unlock_irqrestore(&dlfb->urbs.lock, flags);
1853 up(&dlfb->urbs.limit_sem);
1858 int count = dlfb->urbs.count;
1865 down(&dlfb->urbs.limit_sem);
1867 spin_lock_irq(&dlfb->urbs.lock);
1869 node = dlfb->urbs.list.next; /* have reserved one with sem */
1872 spin_unlock_irq(&dlfb->urbs.lock);
1878 usb_free_coherent(urb->dev, dlfb->urbs.size,
1884 dlfb->urbs.count = 0;
1894 spin_lock_init(&dlfb->urbs.lock);
1897 dlfb->urbs.size = size;
1898 INIT_LIST_HEAD(&dlfb->urbs.list);
1900 sema_init(&dlfb->urbs.limit_sem, 0);
1901 dlfb->urbs.count = 0;
1902 dlfb->urbs.available = 0;
1904 while (dlfb->urbs.count * size < wanted_size) {
1936 list_add_tail(&unode->entry, &dlfb->urbs.list);
1938 up(&dlfb->urbs.limit_sem);
1939 dlfb->urbs.count++;
1940 dlfb->urbs.available++;
1943 return dlfb->urbs.count;
1953 ret = down_timeout(&dlfb->urbs.limit_sem, GET_URB_TIMEOUT);
1958 ret, dlfb->urbs.available);
1962 spin_lock_irq(&dlfb->urbs.lock);
1964 BUG_ON(list_empty(&dlfb->urbs.list)); /* reserved one with limit_sem */
1965 entry = dlfb->urbs.list.next;
1967 dlfb->urbs.available--;
1969 spin_unlock_irq(&dlfb->urbs.lock);
1979 BUG_ON(len > dlfb->urbs.size);