xHCI: store ring's type

When allocate a ring, store its type - four transfer types for endpoint,
TYPE_STREAM for stream transfer, and TYPE_COMMAND/TYPE_EVENT for xHCI host.

This helps to get rid of three bool function parameters: link_trbs, isoc
and consumer.

Signed-off-by: Andiry Xu <andiry.xu@amd.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Tested-by: Paul Zimmerman <Paul.Zimmerman@synopsys.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 9a7138c29030..eb369a1723b1 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1250,6 +1250,16 @@ struct xhci_dequeue_state {
         int new_cycle_state;
 };
 
+enum xhci_ring_type {
+        TYPE_CTRL = 0,
+        TYPE_ISOC,
+        TYPE_BULK,
+        TYPE_INTR,
+        TYPE_STREAM,
+        TYPE_COMMAND,
+        TYPE_EVENT,
+};
+
 struct xhci_ring {
         struct xhci_segment     *first_seg;
         union  xhci_trb         *enqueue;
@@ -1266,6 +1276,7 @@ struct xhci_ring {
          */
         u32                     cycle_state;
         unsigned int            stream_id;
+        enum xhci_ring_type     type;
         bool                    last_td_was_short;
 };