diff options
| -rw-r--r-- | drivers/usb/host/xhci-ring.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 71cae792f489..4637da6af765 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -3092,7 +3092,7 @@ int xhci_queue_intr_tx(struct xhci_hcd *xhci, gfp_t mem_flags, */ static u32 xhci_td_remainder(struct xhci_hcd *xhci, int transferred, int trb_buff_len, unsigned int td_total_len, - struct urb *urb, unsigned int num_trbs_left) + struct urb *urb, bool more_trbs_coming) { u32 maxp, total_packet_count; @@ -3101,7 +3101,7 @@ static u32 xhci_td_remainder(struct xhci_hcd *xhci, int transferred, return ((td_total_len - transferred) >> 10); /* One TRB with a zero-length data packet. */ - if (num_trbs_left == 0 || (transferred == 0 && trb_buff_len == 0) || + if (!more_trbs_coming || (transferred == 0 && trb_buff_len == 0) || trb_buff_len == td_total_len) return 0; @@ -3216,7 +3216,7 @@ int xhci_queue_bulk_tx(struct xhci_hcd *xhci, gfp_t mem_flags, field |= TRB_CHAIN; } else { field |= TRB_IOC; - more_trbs_coming = need_zero_pkt; + more_trbs_coming = false; td->last_trb = ring->enqueue; } @@ -3227,13 +3227,12 @@ int xhci_queue_bulk_tx(struct xhci_hcd *xhci, gfp_t mem_flags, /* Set the TRB length, TD size, and interrupter fields. */ remainder = xhci_td_remainder(xhci, running_total, trb_buff_len, full_len, - urb, num_trbs - i - 1); - + urb, more_trbs_coming); length_field = TRB_LEN(trb_buff_len) | TRB_TD_SIZE(remainder) | TRB_INTR_TARGET(0); - queue_trb(xhci, ring, more_trbs_coming, + queue_trb(xhci, ring, more_trbs_coming | need_zero_pkt, lower_32_bits(addr), upper_32_bits(addr), length_field, @@ -3657,7 +3656,7 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags, /* Set the TRB length, TD size, & interrupter fields. */ remainder = xhci_td_remainder(xhci, running_total, trb_buff_len, td_len, - urb, trbs_per_td - j - 1); + urb, more_trbs_coming); length_field = TRB_LEN(trb_buff_len) | TRB_INTR_TARGET(0); |