static int submit_urb(struct usb_hcd *hcd, struct urb *urb)
{
struct musb *host = hcd->hcd_priv;
int ret;
unsigned long timeout;
ret = musb_urb_enqueue(hcd, urb, 0);
if (ret < 0) {
printf("Failed to enqueue URB to controller\n");
return ret;
}
timeout = get_timer(0) + USB_TIMEOUT_MS(urb->pipe);
do {
if (ctrlc())
return -EIO;
host->isr(0, host);
} while (urb->status == -EINPROGRESS &&
get_timer(0) < timeout);
if (urb->status == -EINPROGRESS)
musb_urb_dequeue(hcd, urb, -ETIME);
return urb->status;
}
static struct int_queue *_musb_create_int_queue(struct musb_host_data *host,
struct usb_device *dev, unsigned long pipe, int queuesize,
int elementsize, void *buffer, int interval)
{
struct int_queue *queue;
int ret, index = usb_pipein(pipe) * 16 + usb_pipeendpoint(pipe);
if (queuesize != 1) {
printf("ERROR musb int-queues only support queuesize 1\n");
return NULL;
}
if (dev->int_pending & (1 << index)) {
printf("ERROR int-urb is already pending on pipe %lx\n", pipe);
return NULL;
}
queue = malloc(sizeof(*queue));
if (!queue)
return NULL;
construct_urb(&queue->urb, &queue->hep, dev, USB_ENDPOINT_XFER_INT,
pipe, buffer, elementsize, NULL, interval);
ret = musb_urb_enqueue(&host->hcd, &queue->urb, 0);
if (ret < 0) {
printf("Failed to enqueue URB to controller\n");
free(queue);
return NULL;
}
dev->int_pending |= 1 << index;
return queue;
}
static int submit_urb(struct usb_hcd *hcd, struct urb *urb)
{
struct musb *host = hcd->hcd_priv;
int ret;
int timeout;
ret = musb_urb_enqueue(hcd, urb, 0);
if (ret < 0) {
printf("Failed to enqueue URB to controller\n");
return ret;
}
timeout = MUSB_HOST_TIMEOUT;
do {
if (ctrlc())
return -EIO;
host->isr(0, host);
} while ((urb->dev->status & USB_ST_NOT_PROC) && --timeout);
return urb->status;
}