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DM USB: xHCI: fix PORTSC error in 'pci_xhci_cmd_disable_slot'

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The disable slot command is used for forcing a device slot to enter into
disconnect state, a typical usage would be to free a Device Slot when an
USB device is disconnected. But it should not impact the portsc value.

Tracked-On: #2576
Signed-off-by: Conghui Chen <conghui.chen@intel.com>
Signed-off-by: Xiaoguang Wu <xiaoguang.wu@intel.com>
Acked-by: Yu Wang <yu1.wang@intel.com>
This commit is contained in:
Xiaoguang Wu 2019-02-17 13:14:11 +08:00 committed by wenlingz
parent c9d85cfaea
commit 76a5131b37
1 changed files with 0 additions and 3 deletions
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3
devicemodel/hw/pci/xhci.c
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@ -1820,9 +1820,6 @@ pci_xhci_cmd_disable_slot(struct pci_xhci_vdev *xdev, uint32_t slot)
break;
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);
udev = dev->dev_instance;
assert(udev);