XHCI_STS
if (WaitOpBits(XHCI_STS, STS_HCH, STS_HCH) != B_OK) {
ReadOpReg(XHCI_CMD), ReadOpReg(XHCI_STS));
if (WaitOpBits(XHCI_STS, STS_CNR, 0) != B_OK) {
uint32 status = ReadOpReg(XHCI_STS);
WriteOpReg(XHCI_STS, status);
ReadOpReg(XHCI_CMD), ReadOpReg(XHCI_STS));
if (WaitOpBits(XHCI_STS, STS_CNR, 0) != B_OK) {
WriteOpReg(XHCI_STS, ReadOpReg(XHCI_STS));
if (WaitOpBits(XHCI_STS, STS_HCH, 0) != B_OK) {