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[USBEHCI]

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- When releasing a low or full speed device, set the EHCI_PRT_RELEASEOWNERSHIP bit with the current port status so that any change bits are acknowledged
- Fixes detecting new devices after a companion controller handoff

svn path=/trunk/; revision=55742
This commit is contained in:
Cameron Gutman
2012-02-20 09:23:33 +00:00
parent 20008617a0
commit b175abf7c1
1 changed files with 3 additions and 6 deletions
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reactos/drivers/usb/usbehci/hardware.cpp
+3 -6
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@@ -963,7 +963,7 @@ CUSBHardwareDevice::ResetPort(
if (PortStatus & EHCI_PRT_SLOWSPEEDLINE)
{
DPRINT1("Non HighSpeed device. Releasing Ownership\n");
EHCI_WRITE_REGISTER_ULONG(EHCI_PORTSC + (4 * PortIndex), EHCI_PRT_RELEASEOWNERSHIP);
EHCI_WRITE_REGISTER_ULONG(EHCI_PORTSC + (4 * PortIndex), PortStatus | EHCI_PRT_RELEASEOWNERSHIP);
return STATUS_DEVICE_NOT_CONNECTED;
}
@@ -1132,7 +1132,7 @@ CUSBHardwareDevice::ClearPortStatus(
if (Value & EHCI_PRT_SLOWSPEEDLINE)
{
DPRINT1("Non HighSpeed device. Releasing Ownership\n");
EHCI_WRITE_REGISTER_ULONG(EHCI_PORTSC + (4 * PortId), EHCI_PRT_RELEASEOWNERSHIP);
EHCI_WRITE_REGISTER_ULONG(EHCI_PORTSC + (4 * PortId), Value | EHCI_PRT_RELEASEOWNERSHIP);
return STATUS_DEVICE_NOT_CONNECTED;
}
@@ -1478,9 +1478,6 @@ EhciDefferedRoutine(
{
DPRINT1("Device connected on port %d\n", i);
//
//FIXME: Determine device speed
//
if (This->m_Capabilities.HCSParams.CHCCount)
{
if (PortStatus & EHCI_PRT_ENABLED)
@@ -1491,7 +1488,7 @@ EhciDefferedRoutine(
if (PortStatus & EHCI_PRT_SLOWSPEEDLINE)
{
DPRINT1("Non HighSpeed device connected. Release ownership\n");
This->EHCI_WRITE_REGISTER_ULONG(EHCI_PORTSC + (4 * i), EHCI_PRT_RELEASEOWNERSHIP);
This->EHCI_WRITE_REGISTER_ULONG(EHCI_PORTSC + (4 * i), PortStatus | EHCI_PRT_RELEASEOWNERSHIP);
continue;
}
}