xfnw/plan9fox
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

usbxhci: endpoint address needs to be masked with Epmax from endpoint number

Browse source
This commit is contained in:
cinap_lenrek 2022-02-21 18:46:47 +00:00
parent 4b637a24f9
commit 14bb9734a6
1 changed files with 6 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

12
sys/src/9/port/usbxhci.c
View file

@ -1059,7 +1059,7 @@ epclose(Ep *ep)
w[0] = (w[0] & ~(0x1F<<27)) | slot->nep<<27;
/* (input) ep context */
w += ep->nb*2*8<<ctlr->csz;
w += (ep->nb&Epmax)*2*8<<ctlr->csz;
memset(w, 0, 2*32<<ctlr->csz);
dmaflush(1, slot->ibase, 32*33 << ctlr->csz);
@ -1147,8 +1147,8 @@ initep(Ep *ep)
nexterror();
}
if(ep->mode != OREAD){
ring = initring(io[OWRITE].ring = &slot->epr[ep->nb*2-1], 8);
ring->id = ep->nb*2;
ring = initring(io[OWRITE].ring = &slot->epr[(ep->nb&Epmax)*2-1], 8);
ring->id = (ep->nb&Epmax)*2;
if(ring->id > slot->nep)
slot->nep = ring->id;
ring->slot = slot;
@ -1157,8 +1157,8 @@ initep(Ep *ep)
w[1] |= 1 << ring->id;
}
if(ep->mode != OWRITE){
ring = initring(io[OREAD].ring = &slot->epr[ep->nb*2], 8);
ring->id = ep->nb*2+1;
ring = initring(io[OREAD].ring = &slot->epr[(ep->nb&Epmax)*2], 8);
ring->id = (ep->nb&Epmax)*2+1;
if(ring->id > slot->nep)
slot->nep = ring->id;
ring->slot = slot;
@ -1174,7 +1174,7 @@ initep(Ep *ep)
w[0] &= ~(1<<25); // MTT
/* (input) ep context */
w += ep->nb*2*8<<ctlr->csz;
w += (ep->nb&Epmax)*2*8<<ctlr->csz;
if(io[OWRITE].ring != nil){
memset(w, 0, 5*4);
initepctx(w, io[OWRITE].ring, ep);