_requestor          2 arch/arm/mach-pxa/devices.h #define PDMA_FILTER_PARAM(_prio, _requestor) (&(struct pxad_param) { \
_requestor          3 arch/arm/mach-pxa/devices.h 	.prio = PXAD_PRIO_##_prio, .drcmr = _requestor })