NvmExpressComponentNameGetControllerName returns EFI_UNSUPPORTED if child handle is passed. gEfiNvmExpressPassThruProtocolGuid needs to be passed to EfiTestChildHandle instead of gEfiPciIoProtocolGuid. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: "Anbazhagan, Baraneedharan" <anbazhagan@hp.com> Reviewed-by: "Tian, Feng" <feng.tian@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@19071 6f19259b-4bc3-4df7-8a09-765794883524