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XHCI: Clarify a comment.

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No functional change.
This commit is contained in:
Augustin Cavalier 2019-09-13 21:32:58 -04:00
parent b3a12553f8
commit 19e017cb13
1 changed files with 1 additions and 2 deletions
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src/add-ons/kernel/busses/usb/xhci.cpp
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@ -325,8 +325,7 @@ XHCI::XHCI(pci_info *info, Stack *stack)
legctlsts |= XHCI_LEGCTLSTS_EVENTS_SMI; legctlsts |= XHCI_LEGCTLSTS_EVENTS_SMI;
WriteCapReg32(eecp + XHCI_LEGCTLSTS, legctlsts); WriteCapReg32(eecp + XHCI_LEGCTLSTS, legctlsts);
// On Intel's Panther Point and Lynx Point Chipset taking ownership // We need to explicitly take ownership of EHCI ports on earlier Intel chipsets.
// of EHCI owned ports, is what we do here.
if (fPCIInfo->vendor_id == PCI_VENDOR_INTEL) { if (fPCIInfo->vendor_id == PCI_VENDOR_INTEL) {
switch (fPCIInfo->device_id) { switch (fPCIInfo->device_id) {
case PCI_DEVICE_INTEL_PANTHER_POINT_XHCI: case PCI_DEVICE_INTEL_PANTHER_POINT_XHCI: