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[USBOHCI] Use KeQueryTickCount for timeouts instead of KeQuerySystemTime

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Victor Perevertkin 2019-12-16 03:21:28 +03:00
parent 1d9e03b708
commit 23147330dd
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GPG key ID: C750B7222E9C7830
1 changed files with 12 additions and 12 deletions
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24
drivers/usb/usbohci_new/usbohci.c
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@ -540,8 +540,8 @@ OHCI_TakeControlHC(IN POHCI_EXTENSION OhciExtension,
OHCI_REG_INTERRUPT_ENABLE_DISABLE IntDisable;
OHCI_REG_COMMAND_STATUS CommandStatus;
OHCI_REG_INTERRUPT_STATUS IntStatus;
LARGE_INTEGER EndTime;
LARGE_INTEGER SystemTime;
LARGE_INTEGER StartTicks, CurrentTicks;
UINT32 TicksDiff;
DPRINT("OHCI_TakeControlHC: ...\n");
@ -596,8 +596,8 @@ OHCI_TakeControlHC(IN POHCI_EXTENSION OhciExtension,
/* Monitoring the InterruptRouting bit
to determine when the ownership change has taken effect. */
KeQuerySystemTime(&EndTime);
EndTime.QuadPart += 500 * 10000; // 0.5 sec;
TicksDiff = (500 * 10000) / KeQueryTimeIncrement(); // 500 ms
KeQueryTickCount(&StartTicks);
do
{
@ -618,9 +618,9 @@ OHCI_TakeControlHC(IN POHCI_EXTENSION OhciExtension,
return MP_STATUS_SUCCESS;
}
KeQuerySystemTime(&SystemTime);
KeQueryTickCount(&CurrentTicks);
}
while (SystemTime.QuadPart < EndTime.QuadPart);
while (CurrentTicks.QuadPart - StartTicks.QuadPart < TicksDiff);
return MP_STATUS_HW_ERROR;
}
@ -647,8 +647,8 @@ OHCI_StartController(IN PVOID ohciExtension,
POHCI_ENDPOINT_DESCRIPTOR IntED;
ULONG_PTR IntEdPA;
POHCI_HCCA OhciHCCA;
LARGE_INTEGER SystemTime;
LARGE_INTEGER EndTime;
LARGE_INTEGER StartTicks, CurrentTicks;
UINT32 TicksDiff;
ULONG ix;
ULONG jx;
MPSTATUS MPStatus = MP_STATUS_SUCCESS;
@ -791,17 +791,17 @@ OHCI_StartController(IN PVOID ohciExtension,
WRITE_REGISTER_ULONG(ControlReg, Control.AsULONG);
KeQuerySystemTime(&EndTime);
EndTime.QuadPart += 500 * 10000; // 0.5 sec
TicksDiff = (500 * 10000) / KeQueryTimeIncrement(); // 500 ms
KeQueryTickCount(&StartTicks);
while (TRUE)
{
WRITE_REGISTER_ULONG(FmIntervalReg, OhciExtension->FrameInterval.AsULONG);
FrameInterval.AsULONG = READ_REGISTER_ULONG(FmIntervalReg);
KeQuerySystemTime(&SystemTime);
KeQueryTickCount(&CurrentTicks);
if (SystemTime.QuadPart >= EndTime.QuadPart)
if (CurrentTicks.QuadPart - StartTicks.QuadPart >= TicksDiff)
{
MPStatus = MP_STATUS_HW_ERROR;
break;