This function is called by the MDD layer to de-initialize the hardware when a device driver is unloaded.
BOOL HWDeinit( PVOID pContext );
TRUE indicates success. FALSE indicates failure.
This function is called when the device is no longer needed. It is never called for built-in devices. Rather, it is called for PC Card devices when the card is removed.
This function supports the implementation of the PDDs of serial port drivers. This function is defined in the header file SerHW.h, and is available in Windows CE version 1.0 and later.