[USBEHCI]

- Fix a type-limits warning
- Remove unnecessary casts and asserts
- Use NULL for pointer comparison
- Fix IN vs OUT annotation

svn path=/trunk/; revision=63687

reactos/drivers/usb/usbehci/interfaces.h

@@ -23,7 +23,7 @@
         IN struct _EHCI_USBCMD_CONTENT *UsbCmd) PURE;                       \
                                                                             \
     STDMETHOD_(VOID, GetCommandRegister)( THIS_                             \
-        IN struct _EHCI_USBCMD_CONTENT *UsbCmd) PURE;
+        OUT struct _EHCI_USBCMD_CONTENT *UsbCmd) PURE;
 
 #define IMP_IUSBEHCIHARDWARE                                                \
     STDMETHODIMP_(VOID) SetAsyncListRegister(                               \
@@ -39,7 +39,7 @@
     STDMETHODIMP_(VOID) SetCommandRegister(                                 \
         IN struct _EHCI_USBCMD_CONTENT *UsbCmd);                            \
     STDMETHODIMP_(VOID) GetCommandRegister(                                 \
-        IN struct _EHCI_USBCMD_CONTENT *UsbCmd);
+        OUT struct _EHCI_USBCMD_CONTENT *UsbCmd);
 
 DECLARE_INTERFACE_(IEHCIHardwareDevice, IUSBHardwareDevice)
 {

reactos/drivers/usb/usbehci/usb_queue.cpp

@@ -376,6 +376,7 @@ CUSBQueue::GetIntervalIndex(
 {
     UCHAR IntervalIndex;
 
+    ASSERT(Interval != 0);
     if (Interval == 1)
         IntervalIndex = 1;
     else if (Interval == 2)
@@ -392,11 +393,10 @@ CUSBQueue::GetIntervalIndex(
         IntervalIndex = 7;
     else if (Interval <= 128)
         IntervalIndex = 8;
-    else if (Interval <= 256)
-        IntervalIndex = 9;
     else
-        IntervalIndex = 10;
+        IntervalIndex = 9;
 
+    ASSERT(IntervalIndex < EHCI_INTERRUPT_ENTRIES_COUNT);
     return IntervalIndex;
 }
 
@@ -746,8 +746,7 @@ CUSBQueue::ProcessPeriodicSchedule(
         //
         // get queue head structure
         //
-        QueueHead = (PQUEUE_HEAD)CONTAINING_RECORD(Entry, QUEUE_HEAD, LinkedQueueHeads);
-        ASSERT(QueueHead);
+        QueueHead = CONTAINING_RECORD(Entry, QUEUE_HEAD, LinkedQueueHeads);
 
         //
         // sanity check
@@ -822,8 +821,7 @@ CUSBQueue::ProcessAsyncList(
         //
         // get queue head structure
         //
-        QueueHead = (PQUEUE_HEAD)CONTAINING_RECORD(Entry, QUEUE_HEAD, LinkedQueueHeads);
-        ASSERT(QueueHead);
+        QueueHead = CONTAINING_RECORD(Entry, QUEUE_HEAD, LinkedQueueHeads);
 
         //
         // sanity check

reactos/drivers/usb/usbehci/usb_request.cpp

@@ -894,7 +894,7 @@ CUSBRequest::BuildControlTransferQueueHead(
     //
     QueueHead->EndPointCharacteristics.DeviceAddress = GetDeviceAddress();
 
-    ASSERT(m_EndpointDescriptor == FALSE);
+    ASSERT(m_EndpointDescriptor == NULL);
 
     //
     // init setup descriptor