154 static int __init feat_try_enable_unknown(struct dt_cpu_feature *f)  in feat_try_enable_unknown()  argument
156 	if (f->hv_support == HV_SUPPORT_NONE) {  in feat_try_enable_unknown()
157 	} else if (f->hv_support & HV_SUPPORT_HFSCR) {  in feat_try_enable_unknown()
159 		hfscr |= 1UL << f->hfscr_bit_nr;  in feat_try_enable_unknown()
166 	if (f->os_support == OS_SUPPORT_NONE) {  in feat_try_enable_unknown()
167 	} else if (f->os_support & OS_SUPPORT_FSCR) {  in feat_try_enable_unknown()
169 		fscr |= 1UL << f->fscr_bit_nr;  in feat_try_enable_unknown()
176 	if ((f->usable_privilege & USABLE_PR) && (f->hwcap_bit_nr != -1)) {  in feat_try_enable_unknown()
177 		uint32_t word = f->hwcap_bit_nr / 32;  in feat_try_enable_unknown()
178 		uint32_t bit = f->hwcap_bit_nr % 32;  in feat_try_enable_unknown()
185 			pr_err("%s could not advertise to user (no hwcap bits)\n", f->name);  in feat_try_enable_unknown()
191 static int __init feat_enable(struct dt_cpu_feature *f)  in feat_enable()  argument
193 	if (f->hv_support != HV_SUPPORT_NONE) {  in feat_enable()
194 		if (f->hfscr_bit_nr != -1) {  in feat_enable()
196 			hfscr |= 1UL << f->hfscr_bit_nr;  in feat_enable()
201 	if (f->os_support != OS_SUPPORT_NONE) {  in feat_enable()
202 		if (f->fscr_bit_nr != -1) {  in feat_enable()
204 			fscr |= 1UL << f->fscr_bit_nr;  in feat_enable()
209 	if ((f->usable_privilege & USABLE_PR) && (f->hwcap_bit_nr != -1)) {  in feat_enable()
210 		uint32_t word = f->hwcap_bit_nr / 32;  in feat_enable()
211 		uint32_t bit = f->hwcap_bit_nr % 32;  in feat_enable()
218 			pr_err("CPU feature: %s could not advertise to user (no hwcap bits)\n", f->name);  in feat_enable()
224 static int __init feat_disable(struct dt_cpu_feature *f)  in feat_disable()  argument
229 static int __init feat_enable_hv(struct dt_cpu_feature *f)  in feat_enable_hv()  argument
249 static int __init feat_enable_le(struct dt_cpu_feature *f)  in feat_enable_le()  argument
255 static int __init feat_enable_smt(struct dt_cpu_feature *f)  in feat_enable_smt()  argument
262 static int __init feat_enable_idle_nap(struct dt_cpu_feature *f)  in feat_enable_idle_nap()  argument
276 static int __init feat_enable_align_dsisr(struct dt_cpu_feature *f)  in feat_enable_align_dsisr()  argument
283 static int __init feat_enable_idle_stop(struct dt_cpu_feature *f)  in feat_enable_idle_stop()  argument
297 static int __init feat_enable_mmu_hash(struct dt_cpu_feature *f)  in feat_enable_mmu_hash()  argument
316 static int __init feat_enable_mmu_hash_v3(struct dt_cpu_feature *f)  in feat_enable_mmu_hash_v3()  argument
332 static int __init feat_enable_mmu_radix(struct dt_cpu_feature *f)  in feat_enable_mmu_radix()  argument
345 static int __init feat_enable_dscr(struct dt_cpu_feature *f)  in feat_enable_dscr()  argument
355 	f->fscr_bit_nr = -1;  in feat_enable_dscr()
357 	feat_enable(f);  in feat_enable_dscr()
388 static int __init feat_enable_mce_power8(struct dt_cpu_feature *f)  in feat_enable_mce_power8()  argument
396 static int __init feat_enable_pmu_power8(struct dt_cpu_feature *f)  in feat_enable_pmu_power8()  argument
426 static int __init feat_enable_mce_power9(struct dt_cpu_feature *f)  in feat_enable_mce_power9()  argument
434 static int __init feat_enable_pmu_power9(struct dt_cpu_feature *f)  in feat_enable_pmu_power9()  argument
459 static int __init feat_enable_pmu_power10(struct dt_cpu_feature *f)  in feat_enable_pmu_power10()  argument
476 static int __init feat_enable_mce_power10(struct dt_cpu_feature *f)  in feat_enable_mce_power10()  argument
484 static int __init feat_enable_tm(struct dt_cpu_feature *f)  in feat_enable_tm()  argument
487 	feat_enable(f);  in feat_enable_tm()
494 static int __init feat_enable_fp(struct dt_cpu_feature *f)  in feat_enable_fp()  argument
496 	feat_enable(f);  in feat_enable_fp()
502 static int __init feat_enable_vector(struct dt_cpu_feature *f)  in feat_enable_vector()  argument
505 	feat_enable(f);  in feat_enable_vector()
515 static int __init feat_enable_vsx(struct dt_cpu_feature *f)  in feat_enable_vsx()  argument
518 	feat_enable(f);  in feat_enable_vsx()
527 static int __init feat_enable_purr(struct dt_cpu_feature *f)  in feat_enable_purr()  argument
534 static int __init feat_enable_ebb(struct dt_cpu_feature *f)  in feat_enable_ebb()  argument
542 	f->hwcap_bit_nr = -1;  in feat_enable_ebb()
543 	feat_enable(f);  in feat_enable_ebb()
548 static int __init feat_enable_dbell(struct dt_cpu_feature *f)  in feat_enable_dbell()  argument
553 	feat_enable(f);  in feat_enable_dbell()
564 static int __init feat_enable_hvi(struct dt_cpu_feature *f)  in feat_enable_hvi()  argument
589 static int __init feat_enable_large_ci(struct dt_cpu_feature *f)  in feat_enable_large_ci()  argument
596 static int __init feat_enable_mma(struct dt_cpu_feature *f)  in feat_enable_mma()  argument
600 	feat_enable(f);  in feat_enable_mma()
610 	int (*enable)(struct dt_cpu_feature *f);
723 static bool __init cpufeatures_process_feature(struct dt_cpu_feature *f)  in cpufeatures_process_feature()  argument
731 		if (!strcmp(f->name, m->name)) {  in cpufeatures_process_feature()
733 			if (m->enable(f)) {  in cpufeatures_process_feature()
739 				f->name);  in cpufeatures_process_feature()
744 	if (!known && (!enable_unknown || !feat_try_enable_unknown(f))) {  in cpufeatures_process_feature()
746 			f->name);  in cpufeatures_process_feature()
751 		pr_debug("enabling: %s\n", f->name);  in cpufeatures_process_feature()
753 		pr_debug("enabling: %s (unknown)\n", f->name);  in cpufeatures_process_feature()
899 	struct dt_cpu_feature *f;  in process_cpufeatures_node()  local
902 	f = &dt_cpu_features[i];  in process_cpufeatures_node()
904 	f->node = node;  in process_cpufeatures_node()
906 	f->name = uname;  in process_cpufeatures_node()
913 	f->isa = be32_to_cpup(prop);  in process_cpufeatures_node()
920 	f->usable_privilege = be32_to_cpup(prop);  in process_cpufeatures_node()
924 		f->hv_support = be32_to_cpup(prop);  in process_cpufeatures_node()
926 		f->hv_support = HV_SUPPORT_NONE;  in process_cpufeatures_node()
930 		f->os_support = be32_to_cpup(prop);  in process_cpufeatures_node()
932 		f->os_support = OS_SUPPORT_NONE;  in process_cpufeatures_node()
936 		f->hfscr_bit_nr = be32_to_cpup(prop);  in process_cpufeatures_node()
938 		f->hfscr_bit_nr = -1;  in process_cpufeatures_node()
941 		f->fscr_bit_nr = be32_to_cpup(prop);  in process_cpufeatures_node()
943 		f->fscr_bit_nr = -1;  in process_cpufeatures_node()
946 		f->hwcap_bit_nr = be32_to_cpup(prop);  in process_cpufeatures_node()
948 		f->hwcap_bit_nr = -1;  in process_cpufeatures_node()
950 	if (f->usable_privilege & USABLE_HV) {  in process_cpufeatures_node()
956 		if (f->hv_support == HV_SUPPORT_NONE && f->hfscr_bit_nr != -1) {  in process_cpufeatures_node()
961 		if (f->hv_support == HV_SUPPORT_HFSCR) {  in process_cpufeatures_node()
962 			if (f->hfscr_bit_nr == -1) {  in process_cpufeatures_node()
968 		if (f->hv_support != HV_SUPPORT_NONE || f->hfscr_bit_nr != -1) {  in process_cpufeatures_node()
974 	if (f->usable_privilege & USABLE_OS) {  in process_cpufeatures_node()
975 		if (f->os_support == OS_SUPPORT_NONE && f->fscr_bit_nr != -1) {  in process_cpufeatures_node()
980 		if (f->os_support == OS_SUPPORT_FSCR) {  in process_cpufeatures_node()
981 			if (f->fscr_bit_nr == -1) {  in process_cpufeatures_node()
987 		if (f->os_support != OS_SUPPORT_NONE || f->fscr_bit_nr != -1) {  in process_cpufeatures_node()
993 	if (!(f->usable_privilege & USABLE_PR)) {  in process_cpufeatures_node()
994 		if (f->hwcap_bit_nr != -1) {  in process_cpufeatures_node()
1002 		if (cpufeatures_process_feature(f))  in process_cpufeatures_node()
1003 			f->enabled = 1;  in process_cpufeatures_node()
1005 			f->disabled = 1;  in process_cpufeatures_node()
1011 static void __init cpufeatures_deps_enable(struct dt_cpu_feature *f)  in cpufeatures_deps_enable()  argument
1018 	if (f->enabled || f->disabled)  in cpufeatures_deps_enable()
1021 	prop = of_get_flat_dt_prop(f->node, "dependencies", &len);  in cpufeatures_deps_enable()
1023 		pr_warn("%s: missing dependencies property", f->name);  in cpufeatures_deps_enable()
1039 					f->disabled = 1;  in cpufeatures_deps_enable()
1046 	if (cpufeatures_process_feature(f))  in cpufeatures_deps_enable()
1047 		f->enabled = 1;  in cpufeatures_deps_enable()
1049 		f->disabled = 1;  in cpufeatures_deps_enable()
1112 		struct dt_cpu_feature *f = &dt_cpu_features[i];  in dt_cpu_ftrs_scan_callback()  local
1114 		cpufeatures_deps_enable(f);  in dt_cpu_ftrs_scan_callback()