[ros-diffs] [cgutman] 55094: [USB-BRINGUP-TRUNK] - Compute the frame interval correctly - Fixes a deadlock on real hardware after enabling interrupts
cgutman at svn.reactos.org
cgutman at svn.reactos.org
Mon Jan 23 10:10:52 UTC 2012
Author: cgutman
Date: Mon Jan 23 10:10:51 2012
New Revision: 55094
URL: http://svn.reactos.org/svn/reactos?rev=55094&view=rev
Log:
[USB-BRINGUP-TRUNK]
- Compute the frame interval correctly
- Fixes a deadlock on real hardware after enabling interrupts
Modified:
branches/usb-bringup-trunk/drivers/usb/usbohci/hardware.cpp
Modified: branches/usb-bringup-trunk/drivers/usb/usbohci/hardware.cpp
URL: http://svn.reactos.org/svn/reactos/branches/usb-bringup-trunk/drivers/usb/usbohci/hardware.cpp?rev=55094&r1=55093&r2=55094&view=diff
==============================================================================
--- branches/usb-bringup-trunk/drivers/usb/usbohci/hardware.cpp [iso-8859-1] (original)
+++ branches/usb-bringup-trunk/drivers/usb/usbohci/hardware.cpp [iso-8859-1] Mon Jan 23 10:10:51 2012
@@ -551,6 +551,7 @@
// get frame interval
//
FrameInterval = READ_REGISTER_ULONG((PULONG)((PUCHAR)m_Base + OHCI_FRAME_INTERVAL_OFFSET));
+ FrameInterval = ((FrameInterval & OHCI_FRAME_INTERVAL_TOGGLE) ^ OHCI_FRAME_INTERVAL_TOGGLE);
DPRINT1("FrameInterval %x IntervalValue %x\n", FrameInterval, m_IntervalValue);
FrameInterval |= OHCI_FSMPS(m_IntervalValue) | m_IntervalValue;
DPRINT1("FrameInterval %x\n", FrameInterval);
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