Who  Date        Changes
 ----- ---- -------- -------------------------------------------------------
 1.0   adk  14/02/19    Initial Release
 1.1   sd   16/08/19    Initialise status variable
 1.3   sd   03/03/21    Doxygen Fixes
 1.4   sd   23/06/21    Fix MISRA-C warnings
 1.5   dp   22/11/21    Update <a class="el" href="group__xilmailbox.html#ga0c82843dbbfc6bf3010fa1966de899e4" title="This function registers an irq. ">XIpiPs_RegisterIrq()</a> to check whether GIC has
                        already bee