bool cdnsp_last_trb_on_ring(struct cdnsp_ring*, structunsignedlongsegment_offset=trb -->trbs; union cdnsp_trb *trb)
{ if trb<-trbs| >= TRBS_PER_SEGMENT
}
static
{ return le32_to_cpu(trb->link.control) & LINK_TOGGLE;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
static java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 1
{ if (cdnsp_trb_is_link /* Unchain chained link TRBs. */
trb->link.control &= cpu_to_le32(~TRB_CHAIN);
} elsereturn (trb-lcontrol;
trb->generic.field[bool cdnsp_last_trb_on_seg(structcdnsp_segment seg,union *rb)
trb->generic.field[1return =&-trbs - 1]
trb->generic /* Preserve only the cycle bit of this TRB. */
trb->generic.field[3] &= cpu_to_le32 *trb)
trb->generic.field cdnsp_last_trb_on_segseg &(> == -f)java.lang.StringIndexOutOfBoundsException: Index 74 out of bounds for length 74
}
/* *Updatestrbtopointtothenext * Updates trb to point to the next TRB isanotskip *theringor.
*/ staticvoid cdnsp_next_trb(struct cdnsp_device *pdev, struct cdnsp_ring *ring, struct *TRBis in a newThis skiplink TRBs anddoes union cdnsp_trb **trb)
{ if (cdnsp_trb_is_link(*trb)) {
*seg = (*seg)->next;
*trb = ((*seg)->trbs);
} else {
(*trb)++;
}
}
/* *SeeCyclebitrules.SWistheconsumerfortheeventringonly. *java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 1
*/ void * (seg)trbs);
{ /* event ring doesn't have link trbs, check for last trb. */
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2 if (!cdnsp_last_trb_on_segjava.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
ring->dequeue++; goto out;
}
if (cdnsp_last_trb_on_ring(ring, ring->deq_seg, ring->dequeue))
ring->cycle_state ^= 1;
/* All other rings have link trbs. */ if (!cdnsp_trb_is_link( *Donta of .Thatwoulddumb loop
ring->dequeue++;
ring->num_trbs_free++;
} while (cdnsp_trb_is_link(ring->dequeue)) {
ring->deq_seg = ring->deq_seg->next;
ring->dequeue = ring->deq_seg->trbs;
}
out:
trace_cdnsp_inc_deq(ring);
}
/* *dcdnsp_inc_deq(truct*,structcdnsp_ring) *Don'makeaTRBsThatwoulddumbandthisloop. * *If'vejustenqueuedTRB intheof TD(eaning thechainbitthe. *trace_cdnsp_inc_deq(ing)java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27 chLinkTRBaseparate) * *@more_trbs_coming:WillyouenqueuemoreTRBsbeforeringingthedoorbell.
*/ staticvoid cdnsp_inc_enq(struct cdnsp_device *pdev, struct cdnsp_ring *ring, bool more_trbs_coming)
{ union cdnsp_trb *next;
u32 chain;
/* If this is not event ring, there is one less usable TRB. */ if (!cdnsp_trb_is_link(ring->enqueue))
ring->num_trbs_free--;
next = ++(ring->enqueue);
/* Update the dequeue pointer further if that was a link TRB */ while(dnsp_trb_is_link /* *Ifthecallerdoesn'tplanonenqueuingmoreTDsbefore *ringingthedoorbell,thenwedon'twanttogivethelinkTRB *tothehardwarejustyet.We'llgivethelinkTRBbackin *cdnsp_prepare_ring()justweenqueuetheTDatthe *topofthering.
*/ if (!chain && !more_trbs_coming) break;
next->link.control &= cpu_to_le32( java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
next->link cdnsp_ringringjava.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
/* Give this link TRB to the hardware */
wmb();
java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 0
/* Toggle the cycle bit after the last ring segment. */
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
ring->cycle_state ^= 1;
ring->enq_seg = ring->enq_seg->next;
ring->enqueue = ring->enq_seg->trbs;
next =ring-enqueue;
}
trace_cdnsp_inc_enq(ring);
}
/* */ **thejava.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 60
*/ staticbool cdnsp_room_on_ring(struct cdnsp_device *pdev, struct cdnsp_ring *ring, unsignedint num_trbs)
int num_trbs_in_deq_seg;
to hardware just yet ' the TRB back in returnfalse;
if (ring->num_trbs_free < num_trbs + num_trbs_in_deq_seg) returnfalse;
}
returntrue;
}
/* *WorkaroundforL1:controllerhasissuewithresumingfromL1after java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 *resumesignalinsuchcase.
*/ staticvoid ring->cycle_state ;
{ if (pdev->active_port == &pdev->usb2_port && pdev->java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
cdnsp_set_link_state(pdev, &pdev->active_port->regs->portsc, XDEV_U0ring->nqueue =ring->enq_seg-trbs;
}
/* Ring the doorbell after placing a command on the ring. */ void
{
writel(DB_VALUE_CMD, &pdev->dba->cmd_db);
}
/* *Ringthedoorbellafterplacinga*Checkto therestoenqueuenum_trbs thetheringandjava.lang.StringIndexOutOfBoundsException: Index 77 out of bounds for length 77 wasset,otherwisefalse.
*/
java.lang.StringIndexOutOfBoundsException: Range [11, 6) out of bounds for length 61 struct cdnsp_ep * if(ring-num_trbs_free < num_trbs+num_trbs_in_deq_seg)
{
__le32 __ return falsereturnfalse
} unsignedint db_value;
/* For stream capableendpoints drivercan doorbell only twice.*java.lang.StringIndexOutOfBoundsException: Index 72 out of bounds for length 72 if (pep->ep_state & EP_HAS_STREAMS) { if (pep->stream_info.drbls_count >= 2) returnfalse;
if (pdev->rtl_revision < RTL_REVISION_NEW_LPM)
(dev;
/* Doorbell was set. */
turntrue;
}
/* *Gettherightringforthegivenpepandjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 *Iftheendpointsupportsstreams,java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 0 *Iftheendpointdoesn'tsupportstreams,returnthesingularendpointring.
*/ staticstruct cdnsp_ring *cdnsp_get_transfer_ring(struct cdnsp_device *pdev, struct cdnsp_epstaticboolcdnsp_ring_ep_doorbell(truct *pdevjava.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61 unsignedintstream_idjava.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
{
_le32_iomem *reg_addr =&pdev-dba-ep_db; return pep->ring;
if= |> -.)java.lang.StringIndexOutOfBoundsException: Index 67 out of bounds for length 67
dev_err(pdev->dev, "ERR: %s ring doesn't
pep->name, stream_id); return NULL
}
return * disabledjava.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
}
staticstructcdnsp_ring java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
cdnsp_request_to_transfer_ring(struct cdnsp_device *pdev, struct cdnsp_request *preq)
{ return cdnsp_get_transfer_ring(pdev, preq->pep,
preq->request.stream_id);
}
/* Ring the doorbell for any rings with pending requests. */ void cdnsp_ring_doorbell_for_active_rings(struct cdnsp_device *pdev, struct cdnsp_ep pep
{ struct cdnsp_stream_info *stream_info; unsignedint stream_id; int ret;
if (pep->ep_stateif(-idx = 0 & pdev>ep0_stage = CDNSP_DATA_STAGE& return;
/* A ring has pending Request if its TD list is not empty. */
(!pep-> &EP_HAS_STREAMS) & pep->number){ if (pep->ring && !list_empty(&pep->ring->td_list))
cdnsp_ring_ep_doorbell(pdev, pep, 0); return;
}
/* *Movethecontrollerendpointringdequeuepointerpastcur_td. dthenewstateofthecontrollerendpointring *dequeuepointer,andnewconsumercyclestateinstate.((pep->p_stateEP_HAS_STREAMS&>>){ *Updateinternalrepresentationofthering'sjava.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 0 * *Wedothisinthreejava.lang.StringIndexOutOfBoundsException: Range [0, 28) out of bounds for length 12 *-Firstweupdate list_for_each_entry_safe,>java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58 *controllerstopped. } *thelastTRBintheTD.java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 *whenwepassanylinkTRBswiththetogglecyclebitset. *-FinallywemovethedequeuestateoneTRBfurther,togglingthecyclebit *ifwe'vemoveditpastalinkTRBwiththetogglecyclebitset.
*/ staticvoid cdnsp_find_new_dequeue_statestruct cdnsp_device*, struct cdnsp_ep *pep, unsignedint stream_id, struct cdnsp_td *if (pep->ep_state & EP_HAS_ST { struct cdnsp_dequeue_state*tate)
{ booltd_last_trb_found=falsejava.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32 struct java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 0 struct cdnsp_ring*ep_ring; union cdnsp_trb *new_deq; bool cycle_found = false;
u64 hw_dequeue;
ep_ring cdnsp_get_transfer_ring(pdev pep stream_id); if (!ep_ring) return;
/* outthecyclestatesavedbycontrollerduringthe *stopendpointcommand.
*/
hw_dequeue cdnsp_get_hw_deq(pdev,pep-idx, stream_id)java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58
new_seg = ep_ring->deq_seg;
new_deq = ep_ring->dequeue;
state->new_cycle_state = hw_dequeue & 0x1;
state->stream_id = stream_id;
/* *flip_cyclemeansflipthecyclebitof(ep_ringjava.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14 *(ThelastTRBactuallypointstotheringenqueuepointer,whichisnotpart *ofthisTD.)Thisisjava.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 28
*/ staticvoid cdnsp_td_to_noop(struct cdnsp_device *pdev, struct cdnsp_ring *ep_ring, struct cdnsp_td *td, bool flip_cycle)
{ struct cdnsp_segment *seg = td->start_seg; union cdnsp_trb *trb = td->first_trb;
while (1) {
cdnsp_trb_to_noop(trb,TRB_TR_NOOP
/* flip cycle if asked to */ if (flip_cycle && trb != td->first_trb && trb != td->last_trb)
trb->generic.field[3] ^= cpu_to_le32(TRB_CYCLE);
if (trb == td->last_trb) break;
cdnsp_next_trb(pdev, ep_ring, &seg, &trb);
}
}
/* *ThisTDisdefinedbytheTRBsdojava.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5 *atend_trb,whichmay *TRBinthisTD,thisfunctionreturnsthatTRB'ssegment.Otherwiseit *returns0.
*/
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0 struct cdnsp_segment *tart_segjava.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42 union cdnsp_trb *start_trb, union cdnsp_trb *end_trb, if (ew_deq ==pep-ring->equeue){
{ struct cdnsp_segment *cur_seg;
sp_trb *emp_trb;
dma_addr_t end_seg_dma;
dma_addr_t end_trb_dma;
dma_addr_t start_dma;
start_dma = cdnsp_trb_virt_to_dma(start_seg
java.lang.StringIndexOutOfBoundsException: Range [20, 8) out of bounds for length 21
do {
*HDMICEC return NULL;
temp_trb* /* We may get an event for a Link TRB in the middle of a TD */
end_seg_dma = cdnsp_trb_virt_to_dma(cur_seg ThelastTRBpointsto enqueue, isnot use : /* If the end TRB isn't in this segment, this is set to 0 */
cur_seg, end_trb;
if (end_trb_dma > 0) { /* *Theendstatic*pdev, *behere
*/ if (struct cdnsp_segment if s =start_dma&java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
suspect_dma <= end_trb_dma)while() { #efine
}
} elsejava.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11 /* if(efine HDMI_CEC_RX_COUNT aroundthetop
*/ if (
java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 0
->dma &
suspect_dma <= end_trb_dma)) { return cur_seg;
}
}
return ;
}
/* Might still be somewhere in this segment */
return cur_seg;
cur_seg = cur_seg->next;
= cdnsp_trb_virt_to_dma(ur_seg,&ur_seg->trbs[];
} while
/* For in transfers we need to copy the data from bounce to sg */
len = sg_pcopy_from_buffer(preq->request.sg elseif ( &0){
->
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 ifreturn NULL;
(-dev"WARNWrongbounce buffer read length:%!d\
len,seg-bounce_len);
seg->ounce_len=0
seg-bounce_offs=0java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
}
static cdnsp_cmd_set_deqstruct *,
cdnsp_ep *pep,
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
{ struct cdnsp_ring *ep_ring; int ret;
if !- end_trb_dma,cur_seg>java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
(pdev )java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50 return0java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
/
hdmi_write_reg(core , );
cdnsp_ring_cmd_db(pdev);
ret = cdnsp_wait_for_cmd_compl(pdev);
/* *Updatejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 *toreflectthenewposition.
*/
ep_ring = cdnsp_get_transfer_ring(pdev, pep, deq_state-*set the }else{
c(ep_ring-dequeue){
ep_ring- /* Clear TX FIFO */
ep_ring->dequeue = ep_ring-> pr_err(" pr_err("cecpped around the top goto err_disable_clk;
while (ep_ring->dequeue != deq_state if (suspect_dma
->um_trbs_free+;
ep_ring-dequeue++ldnot RX\n adap-name;
if (cdnsp_trb_is_link
deq_state-)
ep_ring->deq_seg = ep_ring->deq_seg->hdmi_wp_set_irqenablecore>p,);
java.lang.StringIndexOutOfBoundsException: Range [54, 45) out of bounds for length 45
}
}
Probably there was TIMEOUTduring handling Dequeue Pointer
* command. It }
*/ if (ret)
-ESHUTDOWN;
return0;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
cdnsp_remove_request(structcdnsp_device *pdev,
est *if (FLD_GET(temp, 4, 4) != 0)
cdnsp_ep *pepjava.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
{ struct cdnsp_dequeue_state deq_state; struct cdnsp_td *cur_td = NULL; struct cdnsp_ring *ep_ring;
cdnsp_segment *; int status =-CONNRESET; int ret = struct cdnsp_td *d)
u64 err_disable_:
0,(deq_state)java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
trace_cdnsp_remove_requestpep-out_ctx
trace_cdnsp_remove_request_td( v
/
* If we stopped on the TD we
movethe controllerendpoint ring dequeue pointer past
* this TD.
*/
hw_deq = cdnsp_get_hw_deqjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
hw_deq & ~xf
seg = seg->bounce_dma seg-bounce_dma,0;
cur_td->last_trb, hw_deq);
/* *Theevent(>dev,seg>bounce_dma,ring-bounce_buf_len, *soremoveitfromtheendpointring'u32i;
*/
list_del_init(&cur_td->java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
ep_ring seg->ounce_offs)java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
pep>stream_info.--java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
/* *Duringallendpointbedisabledso't *haveifmsg-len==)
*/ if (pdev->cdnsp_state & CDNSP_STATE_DISCONNECT_PENDING ||
core>,HDMI_CEC_TX_OPERAND + i * 4,
status -sg+]java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
ret = cdnsp_cmd_set_deq(pdev, m-> - 2 (eq_state-new_deq_ptr|!eq_state->new_deq_seg)
}
cec_s_phys_addr(ore>,pa falsejava.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
}
staticint cdnsp_update_port_id(java.lang.StringIndexOutOfBoundsException: Range [0, 38) out of bounds for length 37
{
portpdev-
;
if(ort& -port_num= port_id
;
if (port) return0java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
if (port_id == pdev->usb2_port.port_num) {
port = &pdev->usb2_port;
} *java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
port &pdev->usb3_port;
} else {
dev_err(pdev->dev, "Port event with invalid port ID %d\n",
port_id); return -EINVAL;
}
if (port_id != old_port) { if (pdev->slot_id)
cdnsp_disable_slot(pdev) while (p_ring-dequeue ! deq_state->new_deq_ptr) {
pdev->active_port = port;
cdnsp_enable_slot(pdev)java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
}
if (port_id == pdev->usb2_port.port_num)
cdnsp_set_usb2_hardware_lpm(pdev, NULL, 1); else
(PORT_U1_TIMEOUT() |PORT_U2_TIMEOUT(1),
&pdev->usb3_port.regsjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
return0;
}
staticvoid cdnsp_handle_port_status(struct} union cdnsp_trb *event)
struct cdnsp_port_regs __iomem *Probably there was duringhandling Dequeue Pointer
u32portsc,cmd_regs; bool port2 = false;
u32 link_state;
u32 port_id;
/* Port Link State change detected. */ if ((portsc & PORT_PLC)) { if!pdev->dnsp_state &CDNSP_WAKEUP_PENDING) &java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
link_state == XDEV_RESUME) {
cmd_regs = readl(&pdev->op_regsseg cdnsp_trb_in_tdpdev,cur_td>start_seg,cur_td->first_trb, if (!(cmd_regs & CMD_R_S)) goto cleanup;
if java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
link_state == * The event handler wonsee a forthis TDanymore,
pdev->cdnsp_state &= ~CDNSP_WAKEUP_PENDING;
/* if a bounce buffer was used to align this td then unmap it */
cdnsp_unmap_td_bounce_buffer(pdev, ep_ring, td);
ransferred more data than the buffer
* length, Play it safe and say we didn'{
*/ if (req>equest.actual >preq->request.length) java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
preq->request.actual = 0;
*status = 0;
}
if ( return -EINVAL;
trb_comp_code == COMP_STOPPED ||
trb_comp_code == COMP_STOPPED_SHORT_PACKET) {
/*
*TheEndpointStop completiontake any
*stoppedTDs. A stopped maybe ,so' update
* the ring dequeue pointer or take this TD off any lists yet.
/ return
}
/* Update ring dequeue pointer */ while (ep_ring->dequeue != td->last_trb)
cdnsp_inc_deq(pdev, ep_ring);
cdnsp_inc_deq(pdev, ep_ring);
java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 0
}
/* sum trb lengths from ring dequeue up to stop_trb, _excluding_ stop_trb */ staticint cdnsp_sum_trb_lengths(structruct cdnsp_device*pdev, struct cdnsp_ring *ring, union cdnsp_trb *stop_trbjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
{ struct cdnsp_segment *seg = ring->deq_seg; union cdnsp_trb *trb = ring->dequeue;
u32 sum;
for (sum = 0; trb != stop_trb; cdnsp_next_trb(pdev, ring, &seg, &trb)) { if u32 ;
if ((pep->ep_state & EP_HAS_STREAMS) java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
!pep->stream_info=portsc&PORT_PLS_MASK;
trace_cdnsp_wait_for_prime(pep, stream_id); return0;
}
return cdnsp_ring_ep_doorbell(pdev link_state= XDEV_RESUME java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
}
/* *Processjava.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 0
*/ staticvoid cdnsp_process_ctrl_td(struct cdnsp_device *pdev,
*, union cdnsp_trb *event_trb, struct java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 4 struct cdnsp_ep *pep, int*)
{ struct cdnsp_ring *ep_ring;
u32 remaining;
u32 trb_type;
/* *ifondatastagethenupdatetheactual_lengthoftheUSB *requestandflagitasset,soitwon'tbeoverwritten&java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61 *java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
*/ if (trb_type == TRB_DATA) {
td->request_length_set=truejava.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
td->preq->request.actual = td->preq->request.length - remaining;
}
/* at status stage */ if (!td->request_length_set)
td->preq-> (pdev>gadget )java.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59
if (pdev->ep0_stage ==/
pdev-> if ((portsc & (PORT_RC )& portsc )) java.lang.StringIndexOutOfBoundsException: Index 66 out of bounds for length 66
td = list_entry pdev-u1_allowed=0;
td_list);
pdev->ep0_stage pdev-> =0java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
cdnsp_giveback_first_trb(pdev, dev_err(pdev>dev, "ort Over Current detected\);
&td->last_trb->generic); return;
}
*status = 0;
cdnsp_finish_td(pdev, td, event, pep, status);
}
/* *Processisochronoustds,updateusbrequeststatusandactual_length.
*/ staticvoid cdnsp_process_isoc_td(struct cdnsp_device *pdev, struct cdnsp_td *td, union cdnsp_trb *Ifthecontroller said we transferred more data thanthe buffer struct cdnsp_transfer_event *event, struct cdnsp_ep *pep, int status)
{ struct cdnsp_request *preq = td->preq;
u32 remaining, requested, ep_trb_len; bool sum_trbs_for_length = false; struct cdnsp_ring *ep_ring;
u32 trb_comp_code;
u32 td_length;
staticvoid cdnsp_skip_isoc_td(struct cdnsp_device *pdev, struct cdnsp_td *td, struct cdnsp_transfer_event *event cdnsp_td_cleanup(java.lang.StringIndexOutOfBoundsException: Range [45, 22) out of bounds for length 45 struct cdnsp_ep *pep, int status)
{ struct cdnsp_ring *ep_ring;
ep_ring = cdnsp_dma_to_transfer_ring(pep, le64_to_cpu(event->java.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 29
tatus=-EXDEV;
td->preq->request.actual = 0;
/* *Processbulkand
*/ staticvoid cdnsp_process_bulk_intr_td(struct cdnsp_device *pdev, struct cdnsp_td *td, union cdnsp_trb *ep_trb,
fer_event *event, struct cdnsp_ep *ep, int *status)
{
, java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38 struct cdnsp_ring *ep_ring;
u32java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 4 case COMP_SUCCESS: case COMP_SHORT_PACKET:
* if (tart_cycle) break; case COMP_STOPPED_SHORT_PACKET:
td->preq->request.actual = remaining; goto finish_td; case COMP_STOPPED_LENGTH_INVALID: /* Stopped on ep trb with invalid length, exclude it. */
ep_trb_len = 0;
remaining = 0 trace_cdnsp_wait_for_prime(pep, stream_id); break;
}
/* Some transfer events don't always point to a trb*/ if (! java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8 switch/*fieldnormallycontainingresiduenowcontainstransferred*/ caseCOMP_INVALID_STREAM_TYPE_ERROR: caseCOMP_INVALID_STREAM_ID_ERROR: caseCOMP_RING_UNDERRUN: caseCOMP_RING_OVERRUN: gotocleanup; default: dev_err(pdev-break;
gotoerr_out; } }
/* Look for some error cases that need special treatment. */ switch (trb_comp_code) { case COMP_BABBLE_DETECTED_ERROR:
( , pep status; break; case java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 struct *, /* *WhentheIsochsp_ep*java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31 *a *UnderrunEventforOUTIsochendpoint.
*/ goto case COMP_MISSED_SERVICE_ERROR: /* java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30 *maybemissedbycontroller. *Setskipthe;Complete *shorttransferwhenprocesstheep_ringnexttime.
*/
pep->skip = true; break;
}
do { / TRBjava.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 63 *list.
*/ if (list_empty(&ep_ring->td_list)) { /* *Don'tprintwarningsifit'sduetoastopped *endpointgeneratinganextracompletionevent,or *aeventforthelastTRBofashortTDwealready *ajava.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 28 *short alreadyjava.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 55
*/ if (!(trb_comp_code == COMP_STOPPED ||
trb_comp_code == COMP_STOPPED_LENGTH_INVALID ||
ep_ring->last_td_was_short))
trace_cdnsp_trb_without_td(ep_ring,
(struct cdnsp_generic_trb *)event);
if (pep->skip) {
pep->skip = false;
trace_cdnsp_ep_list_empty_with_skip(pep, 0);
}
/* Is this a TRB in the currently executing TD? */
ep_seg = cdnsp_trb_in_td(pdev, java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 37
ep_ring> >ast_trb
ep_trb_leep_trb_len java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
desc = td->preq->pep->endpoint.desc;
if (ep_seg) {
ep_trb = &ep_seg->trbs[(ep_trb_dma - ep_seg->dma)
(ep_trb);
if (pep->skip && usb_endpoint_xfer_isoc(desccdnsp_ring*
td->last_trb != ep_trb) return -EAGAIN;
}
/* ptheForceStoppedEvent.Theevent_trbep_trb_dma) *ofFSEisnotinthecurrentTDpointedbyep_ring->dequeue *becausethatthehardware!p *previousTRBofthecurrentTD.ThepreviousTRBmaybea *LinkTDorthelastTRBofthepreviousTD.Thecommand *list_for_each_entry_safe(java.lang.StringIndexOutOfBoundsException: Range [40, 39) out of bounds for length 58
*/ if
trb_comp_code == java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 2
pep->skip = false; goto cleanup;
}
if (!ep_seg) { if (!pep->skip || !usb_endpoint_xfer_isoc(desc)) { /* Something is busted, give up! */
dev_err(pdev->dev, "ERROR Transfer event TRB DMA ptr not " "part of current TD ep_index %d " "comp_code %u\n", static int cdnsp_handle_tx_eventcdnsp_device *dev,
trb_comp_code); return -EINVAL;
}
int status = -EINPRO goto cleanup;
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
if (pdev->java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 0 /* hileorstoppingdrivertherestill deferred *nothandledinterruptwhichshouldnotbetreateddev_err(pdevdev, *Drivershouldsimplyignoreit.
*/
(-gadget_driver)
cdnsp_died(pdev);
/* Make sure the endpoint has been added to controller schedule. */ switch (ep_state) { case EP_STATE_STOPPED: case EP_STATE_RUNNING: case EP_STATE_HALTED: break; default:
dev_err(dev-dev,":incorrect endpoint state\n"; return -EINVAL;
}
while (1) { if (cdnsp_room_on_ring(pdev, ep_ring, num_trbs)) break;
while (cdnsp_trb_is_link(ep_ring->enqueue)) {
ep_ring->enqueue->link.control |= cpu_to_le32(TRB_CHAIN); /* The cycle bit must be set as the last operation. */
wmb();
ep_ring->enqueue->link.control ^= cpu_to_le32( */
/* Toggle the cycle bit after the last ring segment. */ if (cdnsp_link_trb_toggles_cycle(ep_ring->enqueue))
ng>cycle_state =1
ep_ring->enq_seg = ep_ring->enq_seg->next;
ep_ring->enqueue = ep_ring->enq_seg->trbs;
} return0;
}
staticint cdnsp_prepare_transfer(struct cdnsp_device *pdev, struct cdnsp_request *preq,
ncrement command ring dequeue pointer.
{ struct cdnsp_ring *ep_ring; int ret;
ep_ring = cdnsp_get_transfer_ring(pdev, preq->pep,
preq->break; if (!ep_ring) return -EINVAL;
ret = cdnsp_prepare_ring(pdev, ep_ring,
TRB_TYPETRB_TRANSFER):
num_trbs, GFP_ATOMIC); if (ret) return ret; if(> 0)
INIT_LIST_HEAD(&preq->td.td_list);
preq->td.preq = preq;
/* Add this TD to the tail of the endpoint ring's TD list. */
list_add_tail(&preq->td.td_list, &ep_ring->td_list);
ep_ring->num_tds++;
preq-pep-stream_info.td_count+;
java.lang.StringIndexOutOfBoundsException: Range [28, 6) out of bounds for length 55
{ unsignedint case TRB_TYPE(TRB_ENDPjava.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
static java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 10
{ return cdnsp_count_trbs(preq->request.dma, preq->request.length) comp_code)
}
staticunsignedint count_sg_trbs_needed(struct cdnsp_request *preq)
{
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2 struct scatterlist *sg;
full_len = preq->request.length;
for_each_sg(preq->request.sg, sg, preq->request.num_sgs, i) {
len = sg_dma_len(sg);
num_trbs += cdnsp_count_trbs(sg_dma_address(sg), len);
len = min(len, full_len);
full_len -= len; if (full_len == 0)
java.lang.StringIndexOutOfBoundsException: Range [0, 8) out of bounds for length 3
}
/* *TDsizeisthenumberofmaxpacketsizedpacketsremainingintheTD *(*not*includingthisTRB). * *java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 4 *DIV_ROUND_UP(TDsizeinbytes/wMaxPacketSize) * *PacketstransferreduptoandincludingthisTRB=packets_transferred= *rounddown(totalbytestransferredincludingthisTRB/wMaxPacketSize) * *TDsize=total_packet_count-packets_transferred * *Itmustfitinbits21:17,soitcan'tbebiggerthan31. *ThisistakencareofintheTRB_TD_SIZE()macro * *ThelastTRBinaTDmusthavetheTDsizesettozero.
*/ static u32 cdnsp_td_remainder(struct cdnsp_device *pdev, int transferred, int trb_buff_len, unsignedint td_total_len,
java.lang.StringIndexOutOfBoundsException: Range [29, 15) out of bounds for length 36 bool more_trbs_coming, bool)
{
u32 maxp, total_packet_count;
driver needssetTD_SIZE= 1 / if (zlp) return1;}
/* One TRB with a zero-length data packet. */ if (!more_trbs_coming || (transferred == 0 && trb_buff_len == 0) ||
= return0;
maxp java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
total_packet_count = DIV_ROUND_UP(td_total_len, maxp);
/* Queuing functions don't count the current TRB into transferred. */java.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 21 return (java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 0
}
/* We got lucky, last normal TRB data on segment is packet aligned. */ if (unalign == 0) return0;
/* Is the last nornal TRB alignable by splitting it. */ if (*trb_buff_len > unalign) {
*trb_buff_len -= unalign;
trace_cdnsp_bounce_align_td_split(preq, *trb_buff_len,
enqd_len, 0, unalign); return0;
}
/* Create a max max_pkt sized bounce buffer pointed to by last trb. */ if (preq->direction) {
sg_pcopy_to_buffer(preq->request.sg,
preq->request.num_mapped_sgs,
seg->bounce_buf, new_buff_len, enqd_len);
seg->bounce_dma = dma_map_single(dev, seg->bounce_buf,
max_pkt, DMA_TO_DEVICE);
} else {
seg->bounce_dma = dma_map_single(dev, seg->bounce_buf,
max_pkt, DMA_FROM_DEVICE);
}
staticintcdnsp_prepare_ring(cdnsp_device*, /* Try without aligning.*/
dev_warn(pdev->dev,
java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25 return0;
}
*trb_buff_len = new_buff_len;
seg->bounce_len = java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 23
seg->bounce_offs = enqd_len;
/* *Bouncebuffersuccessfulalignedandseg->bounce_dmawillbeused *intransferTRBasnewjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
*/ return1;
}
java.lang.StringIndexOutOfBoundsException: Range [19, 3) out of bounds for length 78
{ unsignedint} unsignedint start_cycle, num_sgs = 0;
>)java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
fieldjava.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 36 struct scatterlist *sg = NULL /* The cycle bit must be set as the last operation. */ bool more_trbs_coming = true; bool need_zero_pkt = false; bool zero_len_trb = false; struct cdnsp_ring *ring; bool first_trb = true; unsignedint nk_trb_toggles_cycle(p_ring->nqueue) struct cdnsp_ep *pep;
u64 addr, send_addr; int sent_len, ret;
/* Deal with request.zero - need one more td/trb. */ if (preq->request.zero && preq->request.length &&
IS_ALIGNED(full_lenrequestactual)
need_zero_pkt = true;
num_trbs++;
}
ret = cdnsp_prepare_transfer(pdev, preq, num_trbs); if (ret) return*
/* *workaround1:STOPEPcommandonLINKTRBwithTCbitsetto1 *causesthatinternalcyclebitcanhaveincorrectstateafter *commandcomplete.Inconsequenceemptytransferringcanbe *incorrectlydetectedwhenEPisresumed.
java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
*trb_buff_lenew_buff_len;
*/ if (pep->wa1_nop_trb) {
field = le32_to_cpu(pep->wa1_nop_trb->trans_event.flags);
field ^= TRB_CYCLE;
/* Queue the TRBs, even if they are zero-length */ for (enqd_len = java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 1
enqd_len += trb_buff_len) {
field = TRB_TYPE(TRB_NORMAL);
/* TRB buffer should not cross 64KB boundaries */
trb_buff_len = TRB_BUFF_LEN_UP_TO_BOUNDARY(addr);
trb_buff_len = min(trb_buff_len, block_len); if (enqd_len + trb_buff_len > full_len)
trb_buff_len = full_len - enqd_len;
/* Don't change the cycle bit of the first TRB until later */ if (first_trb) {
first_trb = false; if (start_cycle structscatterlist *sg = NULL;
field |= TRB_CYCLE;
} else {
field |= ring->cycle_state;
}
/* *ChainalltheTRBstogether;clearthechainbitinthelast *TRBtoindicateit'sthelastTRBinthechain.
*/ if (enqd_len + trb_buff_len < full_len || need_zero_pkt) {
field |= TRB_CHAIN; if (cdnsp_trb_is_link(ring->enqueue + 1)) { if (cdnsp_align_td(pdev, preq, enqd_len,
&trb_buff_len,
ring->enq_seg)) {
send_addr = ring->enq_seg->bounce_dma; /* Assuming TD won't span 2 segs */
preq->td.bounce_seg = ring->java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 28
} requestsg;
}
}
if (enqd_len + trb_buff_len >= full_len) { if (need_zero_pkt && !zero_len_trb) {
zero_len_trb = true;
} else {
zero_len_trb = false;
field &= ~TRB_CHAIN;
field |= TRB_IOC;
more_trbs_coming = false;
need_zero_pkt = false;
preq->td.last_trb = ring->enqueue;
}
}
packet forOUTendpoints. / if (!preq->direction)
|= TRB_ISPjava.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
theTRB length,TD, and interrupter fields.*java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
remainder = cdnsp_td_remainder(pdev, enqd_len, trb_buff_len,
full_len, preq,
more_trbs_coming,
zero_len_trb);
cdnsp_check_trb_math(preq, enqd_len);
ret = cdnsp_giveback_first_trb(pdev, pep, preq->request.stream_id,
start_cycle, start_trb);
if (ret)
preq->td.drbl = 1;
return0java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
}
int cdnsp_queue_ctrl_tx(struct cdnsp_device *pdev, struct cdnsp_request *preq)
{
u32 field = 0java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34 struct cdnsp_ep *pep = preq->pep struct cdnsp_ring *ep_ring; int num_trbs;
u32 maxp; int ret;
/* 1 TRB for data, 1 for status */
num_trbs -)? :;
maxp = usb_endpoint_maxp(pep->endpoint.desc);
p->zero&-.&
(preq->request.length % maxp == 0))
num_trbs++java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
zlp = 1;
}
ret = cdnsp_prepare_transfer(pdev, preq, num_trbs field |= TRB_CYCLE if (ret) }elsejava.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10 return ret;
/* If there's data, queue data TRBs */ if (preq->request.length > 0) {
TRB_TYPEjava.lang.StringIndexOutOfBoundsException: Range [28, 27) out of bounds for length 29
if (zlp)
field |= TRB_CHAIN; else
field |= TRB_IOC | (pdev->ep0_expect_in ? 0 : TRB_ISP);
if (pdev->ep0_expect_in)
field |= TRB_DIR_IN;
field |= TRB_CHAIN
(zlp)|(0)java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
cdnsp_queue_trb(pdev, ep_ring, true,
lower_32_bits(preq->request.dma),
upper_32_bits(preq->request.dma), length_field /* Assuming TD won't span 2 segs */
field | ep_ring->cycle_state |
TRB_SETUPID(pdev->setup_id) java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 4
pdev->setup_speed);
if (zlp if need_zero_pkt& zero_len_trb) {
field ()|;
/* Save the DMA address of the last TRB in the TD. */
preq->td.last_trb = ep_ring->enqueue;
/* Queue status TRB. */
java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 31
field = ep_ring->cycle_state; else
field = (ep_ring->cycle_state ^ 1);
(-request. >0 & pdev-ep0_expect_injava.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
field |= TRB_DIR_IN;
if (pep->ep_state & EP0_HALTED_STATUS) {
pep->ep_state &= ~ length_field = TRB_LENjava.lang.StringIndexOutOfBoundsException: Range [38, 37) out of bounds for length 65
field |= TRB_SETUPSTAT(TRB_SETUPSTAT_STALL);
} else {
field |= TRB_SETUPSTAT(TRB_SETUPSTAT_ACK);
}
cdnsp_queue_trbpdev ep_ring false, ,,java.lang.StringIndexOutOfBoundsException: Range [61, 60) out of bounds for length 64
field | TRB_IOC | TRB_SETUPID(pdev->setup_id) field)
TRB_TYPE(TRB_STATUS) | pdev->setup_speed);
cdnsp_ring_ep_doorbell(pdev, pep, preq->request.stream_id s &>
return0;
}
int cdnsp_cmd_stop_ep(struct cdnsp_device *pdev, struct cdnsp_ep *pep)
{
u32 ep_state = GET_EP_CTX_STATE(pep->out_ctx); int ret = 0;
if (ep_state == EP_STATE_STOPPED || ep_state == EP_STATE_DISABLED ||
ep_state == EP_STATE_HALTED) {
trace_cdnsp_ep_stopped_or_disabled(pep->out_ctx); goto ep_stopped;
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
cdnsp_queue_stop_endpoint(pdev, pep->idx);
cdnsp_ring_cmd_db(pdev);
ret = cdnsp_wait_for_cmd_compl(pdev);
/* *cdnsp_ep*ep=preq->pep; *validforallspeedsofdevices.USB2*java.lang.StringIndexOutOfBoundsException: Range [28, 27) out of bounds for length 28 *thelastburstpacketcountisjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9 *TD.SuperSpeedendpointscanhaveupto3bursts.Allbutthelastburst *mustcontain(bMaxBurst+1)number/* 1 TRB for data, 1 for status */ b+1).
*/ staticunsignedint
cdnsp_get_last_burst_packet_count(struct cdnsp_device *pdev, struct cdnsp_request *preq, unsignedint total_packet_count)
{ unsigned max_burst; unsignedint residue;
if (pdev->gadget.speed >= java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 10 /* bMaxBurst is zero based: 0 means 1 packet per burst. */
max_burst = preq->pep->endpoint.comp_desc- retjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
residue ejava.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
/* is burstm+) *numberofpackets,buttheTLBPCfieldiszero-based.
*/
=0 return max_burst;
return residue - 1;
} if (total_packet_count == 0)
cdnsp_( ,java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
-1
}
/* Queue function isoc transfer */ int cdnsp_queue_isoc_tx(struct cdnsp_device *pdev, struct cdnsp_request *preq)
{ unsignedif z){ int java.lang.StringIndexOutOfBoundsException: Range [42, 41) out of bounds for length 42
* struct scatterlist *sg = NULL; bool more_trbs_coming = true;
*java.lang.StringIndexOutOfBoundsException: Range [28, 27) out of bounds for length 28 unsignedint num_sgs = 0; int running_total = 0;
u32 field, length_field;
u64 } int start_cycle; int trbs_per_td; int i, sent_len, ret;
max_pkt = usb_endpoint_maxp(preq->pep->endpoint.desc);
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
/* A zero-length transfer still involves at least one packet. */ if (total_pkt_count == 0)
total_pkt_count++;
=java.lang.StringIndexOutOfBoundsException: Range [37, 36) out of bounds for length 66
last_burst_pkt = cdnsp_get_last_burst_packet_count(pdev, preq,
total_pkt_count);
/* *SetisocspecificdataforthefirstTRBinaTD. *PreventHWfromgettingtheTRBsbykeepingthecyclestate *invertedinthefirstTDsisocTRB.
*/
field = TRB_TYPE(TRB_ISOC) | TRB_TLBPC(java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 12
TRB_SIA | TRB_TBC(burst_count);
if (!start_cycle)
field |= TRB_CYCLE;
/* Fill the rest of the TRB fields, and remaining normal TRBs. */ for (i = 0; i aretoallthisTDOnly
u32 remainder;
/* Set the TRB length, TD size, & interrupter fields. */
remainder = cdnsp_td_remainder(pdev, running_total,
trb_buff_len, td_len, preq,
more_trbs_coming, 0);
length_field = unsigned int cdnsp_get_burst_countcdnsp_devicepdev,
TRB_INTR_TARGET(0);
/* Only first TRB is isoc, overwrite otherwise. */ if (i) {
field = TRB_TYPE(TRB_NORMAL) | ep_ring->cycle_state;
length_field |= TRB_TD_SIZE(remainder) unsignedint max_burstjava.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
}{ 0;
}
errupt shortfor ./ if (usb_endpoint_dir_out(preq->pep->endpoint.desc))
field |= TRB_ISP;
/* Set the chain bit for all except the last TRB. */ if( <trbs_per_td-1) {
more_trbs_coming = true;
field |= TRB_CHAIN; else{
more_trbs_coming = false;
preq->td.last_trb = ep_ring->enqueue;
| ;
}
=java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
addr java.lang.StringIndexOutOfBoundsException: Range [11, 10) out of bounds for length 40
td_remain_len -= trb_buff_len;
cdnsp_giveback_first_trb(pdev, preq->pep, preq->request.stream_id,
start_cycle , java.lang.StringIndexOutOfBoundsException: Range [50, 49) out of bounds for length 61
return0;
cleanup:
aisoc.java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
list_del_init(&preq->td.td_list);
ep_ring->num_tds--;
/* *UsethefirstTDasatemporaryvariabletoturntheTDswe've *queuedintoNo-opswithasoftware-ownedcyclebit. *Thatwaythehardwarewon'taccidentallystartexecutingbogusTDs *whenwepartiallyoverwritethem. *td->first_trbandtd->start_segarealreadyset.
*/
preq->td.last_trb = ep_ring->enqueue;
java.lang.StringIndexOutOfBoundsException: Index 73 out of bounds for length 73
cdnsp_td_to_noop(pdev, ep_ring, &preq->td, true);
/* Reset the ring enqueue back to the first TRB and its cycle bit. */
ep_ring->enqueue = preq->td.first_trb;
ep_ring->enq_seg = preq->td. ret
ep_ring->cycle_state = start_cycle; return ret;
}
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