struct usb_host_endpoint *ep,
struct urb *urb,
struct list_head *qtd_list,
- unsigned mem_flags
+ gfp_t mem_flags
) {
unsigned epnum;
unsigned long flags;
spin_lock_irqsave (&ehci->lock, flags);
+ if (unlikely(!test_bit(HCD_FLAG_HW_ACCESSIBLE,
+ &ehci_to_hcd(ehci)->flags))) {
+ status = -ESHUTDOWN;
+ goto done;
+ }
+
/* get qh and force any scheduling errors */
INIT_LIST_HEAD (&empty);
qh = qh_append_tds (ehci, urb, &empty, epnum, &ep->hcpriv);
/* ehci_iso_stream ops work with both ITD and SITD */
static struct ehci_iso_stream *
-iso_stream_alloc (unsigned mem_flags)
+iso_stream_alloc (gfp_t mem_flags)
{
struct ehci_iso_stream *stream;
/* ehci_iso_sched ops can be ITD-only or SITD-only */
static struct ehci_iso_sched *
-iso_sched_alloc (unsigned packets, unsigned mem_flags)
+iso_sched_alloc (unsigned packets, gfp_t mem_flags)
{
struct ehci_iso_sched *iso_sched;
int size = sizeof *iso_sched;
struct ehci_iso_stream *stream,
struct ehci_hcd *ehci,
struct urb *urb,
- unsigned mem_flags
+ gfp_t mem_flags
)
{
struct ehci_itd *itd;
/*-------------------------------------------------------------------------*/
static int itd_submit (struct ehci_hcd *ehci, struct urb *urb,
- unsigned mem_flags)
+ gfp_t mem_flags)
{
int status = -EINVAL;
unsigned long flags;
/* schedule ... need to lock */
spin_lock_irqsave (&ehci->lock, flags);
- status = iso_stream_schedule (ehci, urb, stream);
+ if (unlikely(!test_bit(HCD_FLAG_HW_ACCESSIBLE,
+ &ehci_to_hcd(ehci)->flags)))
+ status = -ESHUTDOWN;
+ else
+ status = iso_stream_schedule (ehci, urb, stream);
if (likely (status == 0))
itd_link_urb (ehci, urb, ehci->periodic_size << 3, stream);
spin_unlock_irqrestore (&ehci->lock, flags);
struct ehci_iso_stream *stream,
struct ehci_hcd *ehci,
struct urb *urb,
- unsigned mem_flags
+ gfp_t mem_flags
)
{
struct ehci_sitd *sitd;
static int sitd_submit (struct ehci_hcd *ehci, struct urb *urb,
- unsigned mem_flags)
+ gfp_t mem_flags)
{
int status = -EINVAL;
unsigned long flags;
/* schedule ... need to lock */
spin_lock_irqsave (&ehci->lock, flags);
- status = iso_stream_schedule (ehci, urb, stream);
+ if (unlikely(!test_bit(HCD_FLAG_HW_ACCESSIBLE,
+ &ehci_to_hcd(ehci)->flags)))
+ status = -ESHUTDOWN;
+ else
+ status = iso_stream_schedule (ehci, urb, stream);
if (status == 0)
sitd_link_urb (ehci, urb, ehci->periodic_size << 3, stream);
spin_unlock_irqrestore (&ehci->lock, flags);