diff options
| author | Andiry Xu <andiry.xu@amd.com> | 2012-03-05 17:49:32 +0800 |
|---|---|---|
| committer | Sarah Sharp <sarah.a.sharp@linux.intel.com> | 2012-03-12 16:50:24 -0700 |
| commit | 3b72fca09d7aed0c1a390370eb3f3f4f0480702a (patch) | |
| tree | 3e1de71e220ed585fd85b1b2002652c96c760b04 /drivers/usb/host/xhci.h | |
| parent | 8d3709f3dd41769338cc383bec23673fd1ce34e7 (diff) | |
| download | linux-3b72fca09d7aed0c1a390370eb3f3f4f0480702a.tar.bz2 | |
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>
Diffstat (limited to 'drivers/usb/host/xhci.h')
| -rw-r--r-- | drivers/usb/host/xhci.h | 11 |
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; }; |