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EHCI: Current qtd field in qh overlay has no terminate bit.

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Don't initialize the current qtd field with the terminate bit as it does
not exist in this field. While the lower 5 bits are documented as being
ignored anyway, this is more correct. Should cause no functional change.
This commit is contained in:
Michael Lotz
2016-03-12 13:12:35 +01:00
parent ad72f4caed
commit 3da7be22fb
1 changed files with 2 additions and 3 deletions
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src/add-ons/kernel/busses/usb/ehci.cpp
+2 -3
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@@ -434,7 +434,7 @@ EHCI::EHCI(pci_info *info, Stack *stack)
for (int32 i = 0; i < EHCI_INTERRUPT_ENTRIES_COUNT; i++) {
ehci_qh *queueHead = &fInterruptEntries[i].queue_head;
queueHead->this_phy = physicalBase | EHCI_ITEM_TYPE_QH;
queueHead->current_qtd_phy = EHCI_ITEM_TERMINATE;
queueHead->current_qtd_phy = 0;
queueHead->overlay.next_phy = EHCI_ITEM_TERMINATE;
queueHead->overlay.alt_next_phy = EHCI_ITEM_TERMINATE;
queueHead->overlay.token = EHCI_QTD_STATUS_HALTED;
@@ -549,7 +549,6 @@ EHCI::EHCI(pci_info *info, Stack *stack)
fAsyncQueueHead->endpoint_chars = EHCI_QH_CHARS_EPS_HIGH
| EHCI_QH_CHARS_RECHEAD;
fAsyncQueueHead->endpoint_caps = 1 << EHCI_QH_CAPS_MULT_SHIFT;
fAsyncQueueHead->current_qtd_phy = EHCI_ITEM_TERMINATE;
fAsyncQueueHead->overlay.next_phy = EHCI_ITEM_TERMINATE;
WriteOpReg(EHCI_ASYNCLISTADDR, (uint32)fAsyncQueueHead->this_phy);
@@ -2138,7 +2137,7 @@ EHCI::CreateQueueHead()
descriptor->token &= ~EHCI_QTD_STATUS_ACTIVE;
result->stray_log = descriptor;
result->element_log = descriptor;
result->current_qtd_phy = EHCI_ITEM_TERMINATE;
result->current_qtd_phy = 0;
result->overlay.next_phy = descriptor->this_phy;
result->overlay.alt_next_phy = EHCI_ITEM_TERMINATE;
result->overlay.token = 0;