CONFIG_ARCH_HAS_PHYS_TO_DMA (not configurable)

configname: CONFIG_ARCH_HAS_PHYS_TO_DMA

Linux Kernel Configuration
└─>General architecture-dependent options
└─>ARCH_HAS_PHYS_TO_DMA
In linux kernel since version 3.10 (release Date: 2013-06-30)  
is depended by
CONFIG_SGI_IP32