diff options
Diffstat (limited to 'drivers/usb/host/xhci.h')
| -rw-r--r-- | drivers/usb/host/xhci.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 1a6fd997c343..06e07616631f 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -889,6 +889,9 @@ union xhci_trb { */ #define TRBS_PER_SEGMENT 64 #define SEGMENT_SIZE (TRBS_PER_SEGMENT*16) +/* TRB buffer pointers can't cross 64KB boundaries */ +#define TRB_MAX_BUFF_SHIFT 16 +#define TRB_MAX_BUFF_SIZE (1 << TRB_MAX_BUFF_SHIFT) struct xhci_td { struct list_head td_list; @@ -1117,6 +1120,7 @@ void set_hc_event_deq(struct xhci_hcd *xhci); int queue_slot_control(struct xhci_hcd *xhci, u32 trb_type, u32 slot_id); int queue_address_device(struct xhci_hcd *xhci, dma_addr_t in_ctx_ptr, u32 slot_id); int queue_ctrl_tx(struct xhci_hcd *xhci, gfp_t mem_flags, struct urb *urb, int slot_id, unsigned int ep_index); +int queue_bulk_tx(struct xhci_hcd *xhci, gfp_t mem_flags, struct urb *urb, int slot_id, unsigned int ep_index); int queue_configure_endpoint(struct xhci_hcd *xhci, dma_addr_t in_ctx_ptr, u32 slot_id); /* xHCI roothub code */ |