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DM USB: xHCI: fix an error in PORTSC emulation

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When DM receives the Disable Slot command, according to xHCI spec,
the PP bit in PORTSC register should not be cleared.

Tracked-On: #3486
Signed-off-by: Xiaoguang Wu <xiaoguang.wu@intel.com>
Acked-by: Yu Wang <yu1.wang@intel.com>
This commit is contained in:
Xiaoguang Wu 2019-07-17 17:17:28 +08:00 committed by ACRN System Integration
parent 55a5876eba
commit e188e1f245
1 changed files with 1 additions and 1 deletions
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2
devicemodel/hw/pci/xhci.c
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@ -1801,7 +1801,7 @@ pci_xhci_cmd_disable_slot(struct pci_xhci_vdev *xdev, uint32_t slot)
if (i <= XHCI_MAX_DEVS && XHCI_PORTREG_PTR(xdev, i)) {
XHCI_PORTREG_PTR(xdev, i)->portsc &= ~(XHCI_PS_CSC |
XHCI_PS_CCS | XHCI_PS_PED | XHCI_PS_PP);
XHCI_PS_CCS | XHCI_PS_PED);
udev = dev->dev_instance;