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USB: xHCI: Fix wrong usage of macro TRB_TYPE 

Macro TRB_TYPE is misused in some places. Fix the wrong usage.


Signed-off-by: Andiry Xu <andiry.xu@amd.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Andiry Xu 2010-05-10 19:57:17 -07:00 committed by Greg Kroah-Hartman
parent 6c12db90f1
commit 54b5acf3ac
1 changed files with 7 additions and 4 deletions
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11
drivers/usb/host/xhci-ring.c
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@ -390,7 +390,8 @@ static struct xhci_segment *find_trb_seg(
while (cur_seg->trbs > trb ||
&cur_seg->trbs[TRBS_PER_SEGMENT - 1] < trb) {
generic_trb = &cur_seg->trbs[TRBS_PER_SEGMENT - 1].generic;
if (TRB_TYPE(generic_trb->field[3]) == TRB_LINK &&
if ((generic_trb->field[3] & TRB_TYPE_BITMASK) ==
TRB_TYPE(TRB_LINK) &&
(generic_trb->field[3] & LINK_TOGGLE))
*cycle_state = ~(*cycle_state) & 0x1;
cur_seg = cur_seg->next;
@ -455,7 +456,7 @@ void xhci_find_new_dequeue_state(struct xhci_hcd *xhci,
BUG();
trb = &state->new_deq_ptr->generic;
if (TRB_TYPE(trb->field[3]) == TRB_LINK &&
if ((trb->field[3] & TRB_TYPE_BITMASK) == TRB_TYPE(TRB_LINK) &&
(trb->field[3] & LINK_TOGGLE))
state->new_cycle_state = ~(state->new_cycle_state) & 0x1;
next_trb(xhci, ep_ring, &state->new_deq_seg, &state->new_deq_ptr);
@ -1504,8 +1505,10 @@ static int handle_tx_event(struct xhci_hcd *xhci,
for (cur_trb = ep_ring->dequeue, cur_seg = ep_ring->deq_seg;
cur_trb != event_trb;
next_trb(xhci, ep_ring, &cur_seg, &cur_trb)) {
if (TRB_TYPE(cur_trb->generic.field[3]) != TRB_TR_NOOP &&
TRB_TYPE(cur_trb->generic.field[3]) != TRB_LINK)
if ((cur_trb->generic.field[3] &
TRB_TYPE_BITMASK) != TRB_TYPE(TRB_TR_NOOP) &&
(cur_trb->generic.field[3] &
TRB_TYPE_BITMASK) != TRB_TYPE(TRB_LINK))
td->urb->actual_length +=
TRB_LEN(cur_trb->generic.field[2]);
}