forked from xuos/xiuos
Add comments
This commit is contained in:
parent
c637a3d0bc
commit
55eef9ff58
|
@ -2733,6 +2733,8 @@ static void xhci_transfer ( struct xhci_host *xhci,
|
||||||
// trans_trb = trb->transfer;
|
// trans_trb = trb->transfer;
|
||||||
trans_ring = (struct xhci_ring *)(vir_addr); /* to align addr is ring base */
|
trans_ring = (struct xhci_ring *)(vir_addr); /* to align addr is ring base */
|
||||||
pending = &trans_ring->evt; /* preserve event trb pending to handle */
|
pending = &trans_ring->evt; /* preserve event trb pending to handle */
|
||||||
|
|
||||||
|
/* We must pay attention on whether the result of eidx should increase by 1 or not, when we begin to debug. */
|
||||||
eidx = (trb->transfer - phy_addr)/sizeof(union xhci_trb) + 1; /* calculate current evt trb index */
|
eidx = (trb->transfer - phy_addr)/sizeof(union xhci_trb) + 1; /* calculate current evt trb index */
|
||||||
|
|
||||||
/* Identify slot */
|
/* Identify slot */
|
||||||
|
|
Loading…
Reference in New Issue