summaryrefslogtreecommitdiffstats
path: root/drivers
diff options
context:
space:
mode:
authorAndiry Xu <andiry.xu@amd.com>2010-05-10 19:57:17 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2010-07-05 11:15:43 -0700
commit6326f9f3d95b2c01ae24fb8a9fe6928e0b026e7f (patch)
tree8dcb7c3a80ffe4ec37636ba22a84776e2bc4694f /drivers
parenta23417e033339c38ff35f3438fdea74e03ddf39b (diff)
downloadkernel-crypto-6326f9f3d95b2c01ae24fb8a9fe6928e0b026e7f.tar.gz
kernel-crypto-6326f9f3d95b2c01ae24fb8a9fe6928e0b026e7f.tar.xz
kernel-crypto-6326f9f3d95b2c01ae24fb8a9fe6928e0b026e7f.zip
USB: xHCI: Fix wrong usage of macro TRB_TYPE
commit 54b5acf3acb7a1f83ec281d111d3e2812cd7ad9d upstream. Macro TRB_TYPE is misused in some places. Fix the wrong usage. Signed-off-by: Andiry Xu <andiry.xu@amd.com> Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/usb/host/xhci-ring.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index e45dd9f8f29..2b26b5e648f 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -350,7 +350,8 @@ 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;
@@ -406,7 +407,7 @@ 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);
@@ -1394,8 +1395,10 @@ 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]);
}