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xhci: Trace eecp register before access, not after

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This commit is contained in:
Alexander von Gluck IV
2016-10-29 17:49:36 -05:00
parent 58fb6344ae
commit 59e331631f
1 changed files with 2 additions and 1 deletions
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src/add-ons/kernel/busses/usb/xhci.cpp
+2 -1
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@@ -198,11 +198,12 @@ XHCI::XHCI(pci_info *info, Stack *stack)
uint32 eec = 0xffffffff; uint32 eec = 0xffffffff;
uint32 eecp = HCS0_XECP(cparams) << 2; uint32 eecp = HCS0_XECP(cparams) << 2;
for (; eecp != 0 && XECP_NEXT(eec); eecp += XECP_NEXT(eec) << 2) { for (; eecp != 0 && XECP_NEXT(eec); eecp += XECP_NEXT(eec) << 2) {
TRACE("eecp register: 0x%08" B_PRIx32 "\n", eecp);
eec = ReadCapReg32(eecp); eec = ReadCapReg32(eecp);
if (XECP_ID(eec) != XHCI_LEGSUP_CAPID) if (XECP_ID(eec) != XHCI_LEGSUP_CAPID)
continue; continue;
TRACE("eecp register: 0x%08" B_PRIx32 "\n", eecp);
if (eec & XHCI_LEGSUP_BIOSOWNED) { if (eec & XHCI_LEGSUP_BIOSOWNED) {
TRACE_ALWAYS("the host controller is bios owned, claiming" TRACE_ALWAYS("the host controller is bios owned, claiming"
" ownership\n"); " ownership\n");