diff options
| -rw-r--r-- | drivers/usb/host/xhci-ring.c | 5 | ||||
| -rw-r--r-- | drivers/usb/host/xhci.h | 2 |
2 files changed, 7 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 3e759af049b..c35058b94de 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -3293,6 +3293,11 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags, } else { td->last_trb = ep_ring->enqueue; field |= TRB_IOC; + if (xhci->hci_version == 0x100) { + /* Set BEI bit except for the last td */ + if (i < num_tds - 1) + field |= TRB_BEI; + } more_trbs_coming = false; } diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index af8b66f2fd0..33a49d5d6c2 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -964,6 +964,8 @@ struct xhci_event_cmd { /* The buffer pointer contains immediate data */ #define TRB_IDT (1<<6) +/* Block Event Interrupt */ +#define TRB_BEI (1<<9) /* Control transfer TRB specific fields */ #define TRB_DIR_IN (1<<16) |