494 static void __init riscv_parse_isa_string(const char *isa, unsigned long *bitmap)  in riscv_parse_isa_string()  argument
502 	isa += 4;  in riscv_parse_isa_string()
504 	while (*isa) {  in riscv_parse_isa_string()
505 		const char *ext = isa++;  in riscv_parse_isa_string()
506 		const char *ext_end = isa;  in riscv_parse_isa_string()
521 			for (; *isa && *isa != '_'; ++isa)  in riscv_parse_isa_string()
534 				++isa;  in riscv_parse_isa_string()
560 			for (; *isa && *isa != '_'; ++isa)  in riscv_parse_isa_string()
561 				if (unlikely(!isalnum(*isa)))  in riscv_parse_isa_string()
564 			ext_end = isa;  in riscv_parse_isa_string()
608 			if (!isdigit(*isa))  in riscv_parse_isa_string()
611 			while (isdigit(*++isa))  in riscv_parse_isa_string()
614 			if (tolower(*isa) != 'p')  in riscv_parse_isa_string()
617 			if (!isdigit(*++isa)) {  in riscv_parse_isa_string()
618 				--isa;  in riscv_parse_isa_string()
622 			while (isdigit(*++isa))  in riscv_parse_isa_string()
634 		if (*isa == '_')  in riscv_parse_isa_string()
635 			++isa;  in riscv_parse_isa_string()
647 	const char *isa;  in riscv_fill_hwcap_from_isa_string()  local
676 			rc = of_property_read_string(node, "riscv,isa", &isa);  in riscv_fill_hwcap_from_isa_string()
683 			rc = acpi_get_riscv_isa(rhct, cpu, &isa);  in riscv_fill_hwcap_from_isa_string()
690 		riscv_parse_isa_string(isa, source_isa);  in riscv_fill_hwcap_from_isa_string()
717 		riscv_resolve_isa(source_isa, isainfo->isa, &this_hwcap, isa2hwcap);  in riscv_fill_hwcap_from_isa_string()
730 			bitmap_copy(riscv_isa, isainfo->isa, RISCV_ISA_EXT_MAX);  in riscv_fill_hwcap_from_isa_string()
732 			bitmap_and(riscv_isa, riscv_isa, isainfo->isa, RISCV_ISA_EXT_MAX);  in riscv_fill_hwcap_from_isa_string()
761 					set_bit(ext.subset_ext_ids[k], isavendorinfo->isa);  in riscv_fill_cpu_vendor_ext()
763 			set_bit(ext.id, isavendorinfo->isa);  in riscv_fill_cpu_vendor_ext()
781 			bitmap_copy(ext_list->all_harts_isa_bitmap.isa,  in riscv_fill_vendor_ext_list()
782 				    ext_list->per_hart_isa_bitmap[cpu].isa,  in riscv_fill_vendor_ext_list()
786 			bitmap_and(ext_list->all_harts_isa_bitmap.isa,  in riscv_fill_vendor_ext_list()
787 				   ext_list->all_harts_isa_bitmap.isa,  in riscv_fill_vendor_ext_list()
788 				   ext_list->per_hart_isa_bitmap[cpu].isa,  in riscv_fill_vendor_ext_list()
825 		riscv_resolve_isa(source_isa, isainfo->isa, &this_hwcap, isa2hwcap);  in riscv_fill_hwcap_from_ext_list()
840 			bitmap_copy(riscv_isa, isainfo->isa, RISCV_ISA_EXT_MAX);  in riscv_fill_hwcap_from_ext_list()
842 			bitmap_and(riscv_isa, riscv_isa, isainfo->isa, RISCV_ISA_EXT_MAX);  in riscv_fill_hwcap_from_ext_list()