736 	/* NUMACPAIRS, bits[0:3] number of addr comparator pairs for tracing */  in etm4_init_arch_data()
738 	/* NUMPC, bits[15:12] number of PE comparator inputs for tracing */  in etm4_init_arch_data()
755 	 * comparator control for tracing. Read any status regs as these  in etm4_init_arch_data()
876 				       u64 start, u64 stop, int comparator)  in etm4_set_comparator_filter()  argument
880 	/* First half of default address comparator */  in etm4_set_comparator_filter()
881 	config->addr_val[comparator] = start;  in etm4_set_comparator_filter()
882 	config->addr_acc[comparator] = access_type;  in etm4_set_comparator_filter()
883 	config->addr_type[comparator] = ETM_ADDR_TYPE_RANGE;  in etm4_set_comparator_filter()
885 	/* Second half of default address comparator */  in etm4_set_comparator_filter()
886 	config->addr_val[comparator + 1] = stop;  in etm4_set_comparator_filter()
887 	config->addr_acc[comparator + 1] = access_type;  in etm4_set_comparator_filter()
888 	config->addr_type[comparator + 1] = ETM_ADDR_TYPE_RANGE;  in etm4_set_comparator_filter()
892 	 * comparator.  in etm4_set_comparator_filter()
894 	 * @comparator is divided by two since it is the index in the  in etm4_set_comparator_filter()
896 	 * address range comparator _pairs_.  in etm4_set_comparator_filter()
900 	 *	index 2 -> comparator pair 1  in etm4_set_comparator_filter()
901 	 *	index 4 -> comparator pair 2  in etm4_set_comparator_filter()
903 	 *	index 14 -> comparator pair 7  in etm4_set_comparator_filter()
905 	config->viiectlr |= BIT(comparator / 2);  in etm4_set_comparator_filter()
909 				       u64 address, int comparator,  in etm4_set_start_stop_filter()  argument
915 	/* Configure the comparator */  in etm4_set_start_stop_filter()
916 	config->addr_val[comparator] = address;  in etm4_set_start_stop_filter()
917 	config->addr_acc[comparator] = access_type;  in etm4_set_start_stop_filter()
918 	config->addr_type[comparator] = type;  in etm4_set_start_stop_filter()
926 	config->vissctlr |= BIT(shift + comparator);  in etm4_set_start_stop_filter()
967 	 * nr_addr_cmp holds the number of comparator _pair_, so time 2  in etm4_get_next_comparator()
1003 	int i, comparator, ret = 0;  in etm4_set_event_filters()  local
1025 		/* See if a comparator is free. */  in etm4_set_event_filters()
1026 		comparator = etm4_get_next_comparator(drvdata, type);  in etm4_set_event_filters()
1027 		if (comparator < 0) {  in etm4_set_event_filters()
1028 			ret = comparator;  in etm4_set_event_filters()
1037 						   comparator);  in etm4_set_event_filters()
1054 			/* Configure comparator */  in etm4_set_event_filters()
1056 						   comparator, type);  in etm4_set_event_filters()