Use the trb_is_link() and link_trb_toggles_cycle() helpers to
make the code more readable
No functional changes
Signed-off-by: Mathias Nyman <mathias.nyman@xxxxxxxxxxxxxxx>
---
drivers/usb/host/xhci-ring.c | 11 +++++------
1 file changed, 5 insertions(+), 6 deletions(-)
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index e8a9450..c691fae 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -472,9 +472,8 @@ void xhci_find_new_dequeue_state(struct xhci_hcd *xhci,
if (new_deq == cur_td->last_trb)
td_last_trb_found = true;
- if (cycle_found &&
- TRB_TYPE_LINK_LE32(new_deq->generic.field[3]) &&
- new_deq->generic.field[3] & cpu_to_le32(LINK_TOGGLE))
+ if (cycle_found && trb_is_link(new_deq) &&
+ link_trb_toggles_cycle(new_deq))
state->new_cycle_state ^= 0x1;
next_trb(xhci, ep_ring, &new_seg, &new_deq);
@@ -518,7 +517,7 @@ static void td_to_noop(struct xhci_hcd *xhci, struct xhci_ring *ep_ring,
for (cur_seg = cur_td->start_seg, cur_trb = cur_td->first_trb;
true;
next_trb(xhci, ep_ring, &cur_seg, &cur_trb)) {
- if (TRB_TYPE_LINK_LE32(cur_trb->generic.field[3])) {
+ if (trb_is_link(cur_trb)) {
/* Unchain any chained Link TRBs, but
* leave the pointers intact.
*/
@@ -2114,7 +2113,7 @@ static int process_isoc_td(struct xhci_hcd *xhci, struct xhci_td *td,
cur_seg = ep_ring->deq_seg; cur_trb != event_trb;
next_trb(xhci, ep_ring, &cur_seg, &cur_trb)) {
if (!TRB_TYPE_NOOP_LE32(cur_trb->generic.field[3]) &&
- !TRB_TYPE_LINK_LE32(cur_trb->generic.field[3]))
+ !trb_is_link(cur_trb))
len += TRB_LEN(le32_to_cpu(cur_trb->generic.field[2]));
}
len += TRB_LEN(le32_to_cpu(cur_trb->generic.field[2])) -
@@ -2260,7 +2259,7 @@ static int process_bulk_intr_td(struct xhci_hcd *xhci, struct xhci_td *td,
cur_trb != event_trb;
next_trb(xhci, ep_ring, &cur_seg, &cur_trb)) {
if (!TRB_TYPE_NOOP_LE32(cur_trb->generic.field[3]) &&
- !TRB_TYPE_LINK_LE32(cur_trb->generic.field[3]))
+ !trb_is_link(cur_trb))
td->urb->actual_length +=
TRB_LEN(le32_to_cpu(cur_trb->generic.field[2]));
}
--
1.9.1
--
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