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[USBEHCI]

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- Wait for periodic scheduling to start
- Increase the wait interval for asynchronous scheduling to start

svn path=/branches/usb-bringup-trunk/; revision=55477
This commit is contained in:
Cameron Gutman 2012-02-07 02:22:34 +00:00
parent ec95123297
commit 27a04819e7
1 changed files with 12 additions and 5 deletions
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17
drivers/usb/usbehci_new/hardware.cpp
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@ -714,19 +714,26 @@ CUSBHardwareDevice::StartController(void)
//
for (FailSafe = 100; FailSafe > 1; FailSafe--)
{
KeStallExecutionProcessor(10);
KeStallExecutionProcessor(100);
UsbSts = EHCI_READ_REGISTER_ULONG(EHCI_USBSTS);
if (!(UsbSts & EHCI_STS_HALT))
if (!(UsbSts & EHCI_STS_HALT) && (UsbSts & EHCI_STS_PSS))
{
break;
}
}
if (UsbSts & EHCI_STS_HALT)
{
DPRINT1("Could not start execution on the controller\n");
ASSERT(FALSE);
return STATUS_UNSUCCESSFUL;
}
if (!(UsbSts & EHCI_STS_PSS))
{
DPRINT1("Could not enable periodic scheduling\n");
ASSERT(FALSE);
return STATUS_UNSUCCESSFUL;
}
@ -755,7 +762,7 @@ CUSBHardwareDevice::StartController(void)
//
for (FailSafe = 100; FailSafe > 1; FailSafe--)
{
KeStallExecutionProcessor(10);
KeStallExecutionProcessor(100);
UsbSts = EHCI_READ_REGISTER_ULONG(EHCI_USBSTS);
if ((UsbSts & EHCI_STS_ASS))
@ -1282,7 +1289,7 @@ EhciDefferedRoutine(
This = (CUSBHardwareDevice*) SystemArgument1;
CStatus = (ULONG) SystemArgument2;
DPRINT("CStatus %x\n", CStatus);
DPRINT("CStatus %x\n", CStatus);
//
// check for completion of async schedule