static int usbhsf_fifo_barrier(struct usbhs_priv *priv,
struct usbhs_fifo *fifo)
{
- int timeout = 1024;
-
- do {
- /* The FIFO port is accessible */
- if (usbhs_read(priv, fifo->ctr) & FRDY)
- return 0;
-
- udelay(10);
- } while (timeout--);
+ /* The FIFO port is accessible */
+ if (usbhs_read(priv, fifo->ctr) & FRDY)
+ return 0;
return -EBUSY;
}
if (!usbhs_pipe_is_dcp(pipe)) {
/*
* This driver checks the pipe condition first to avoid -EBUSY
- * from usbhsf_fifo_barrier() with about 10 msec delay in
- * the interrupt handler if the pipe is RX direction and empty.
+ * from usbhsf_fifo_barrier() if the pipe is RX direction and
+ * empty.
*/
if (usbhs_pipe_is_dir_in(pipe))
ret = usbhs_pipe_is_accessible(pipe);