drivers/counter/counter-sysfs.c

8 #include <linux/err.h>
110 	int err;
115 		err = a->comp.device_u8_read(counter, &data);
118 		err = a->comp.signal_u8_read(counter, a->parent, &data);
121 		err = a->comp.count_u8_read(counter, a->parent, &data);
126 	if (err < 0)
127 		return err;
142 	int err;
147 		err = kstrtobool(buf, &bool_data);
150 		err = kstrtou8(buf, 0, &data);
151 	if (err < 0)
152 		return err;
156 		err = a->comp.device_u8_write(counter, data);
159 		err = a->comp.signal_u8_write(counter, a->parent, data);
162 		err = a->comp.count_u8_write(counter, a->parent, data);
167 	if (err < 0)
168 		return err;
179 	int err;
184 		err = a->comp.device_u32_read(counter, &data);
187 		err = a->comp.signal_u32_read(counter, a->parent, &data);
191 			err = a->comp.action_read(counter, a->parent,
194 			err = a->comp.count_u32_read(counter, a->parent, &data);
199 	if (err < 0)
200 		return err;
246 	int err;
251 		err = counter_find_enum(&data, count->functions_list,
256 		err = counter_find_enum(&data, synapse->actions_list,
261 		err = __sysfs_match_string(avail->strs, avail->num_items, buf);
262 		data = err;
265 		err = counter_find_enum(&data, avail->enums, avail->num_items,
269 		err = counter_find_enum(&data, avail->enums, avail->num_items,
273 		err = kstrtou32(buf, 0, &data);
276 	if (err < 0)
277 		return err;
281 		err = a->comp.device_u32_write(counter, data);
284 		err = a->comp.signal_u32_write(counter, a->parent, data);
288 			err = a->comp.action_write(counter, count, synapse,
291 			err = a->comp.count_u32_write(counter, count, data);
296 	if (err < 0)
297 		return err;
307 	int err;
312 		err = a->comp.device_u64_read(counter, &data);
315 		err = a->comp.signal_u64_read(counter, a->parent, &data);
318 		err = a->comp.count_u64_read(counter, a->parent, &data);
323 	if (err < 0)
324 		return err;
335 	int err;
338 	err = kstrtou64(buf, 0, &data);
339 	if (err < 0)
340 		return err;
344 		err = a->comp.device_u64_write(counter, data);
347 		err = a->comp.signal_u64_write(counter, a->parent, data);
350 		err = a->comp.count_u64_write(counter, a->parent, data);
355 	if (err < 0)
356 		return err;
368 	int err;
375 	err = a->comp.signal_array_u32_read(counter, a->parent, element->idx,
377 	if (err < 0)
378 		return err;
390 	int err;
397 	err = counter_find_enum(&data, element->avail->enums,
400 	if (err < 0)
401 		return err;
403 	err = a->comp.signal_array_u32_write(counter, a->parent, element->idx,
405 	if (err < 0)
406 		return err;
418 	int err;
423 		err = a->comp.device_array_u64_read(counter, element->idx,
427 		err = a->comp.signal_array_u64_read(counter, a->parent,
431 		err = a->comp.count_array_u64_read(counter, a->parent,
437 	if (err < 0)
438 		return err;
450 	int err;
453 	err = kstrtou64(buf, 0, &data);
454 	if (err < 0)
455 		return err;
459 		err = a->comp.device_array_u64_write(counter, element->idx,
463 		err = a->comp.signal_array_u64_write(counter, a->parent,
467 		err = a->comp.count_array_u64_write(counter, a->parent,
473 	if (err < 0)
474 		return err;
752 	int err;
755 	err = counter_attr_create(dev, group, ext, scope, parent);
756 	if (err < 0)
757 		return err;
773 	int err;
793 		err = counter_ext_attrs_create(dev, group, &ext, scope, parent,
795 		if (err < 0)
796 			return err;
811 	int err;
819 			err = counter_array_attrs_create(dev, group, ext, scope,
824 			err = counter_ext_attrs_create(dev, group, ext, scope,
828 		if (err < 0)
829 			return err;
846 	int err;
852 	err = counter_attr_create(dev, cattr_group, &comp, scope, signal);
853 	if (err < 0)
854 		return err;
857 	err = counter_name_attr_create(dev, cattr_group, signal->name);
858 	if (err < 0)
859 		return err;
870 	int err;
881 		err = counter_signal_attrs_create(counter, groups + i,
883 		if (err < 0)
884 			return err;
902 		int err;
918 		err = counter_attr_create(dev, group, &comp,
920 		if (err < 0)
921 			return err;
924 		err = counter_comp_id_attr_create(dev, group, comp.name, i);
925 		if (err < 0)
926 			return err;
946 	int err;
953 	err = counter_attr_create(dev, cattr_group, &comp, scope, count);
954 	if (err < 0)
955 		return err;
958 	err = counter_name_attr_create(dev, cattr_group, count->name);
959 	if (err < 0)
960 		return err;
966 	err = counter_attr_create(dev, cattr_group, &comp, scope, count);
967 	if (err < 0)
968 		return err;
980 	int err;
993 		err = counter_sysfs_synapses_add(counter, groups + i, count);
994 		if (err < 0)
995 			return err;
998 		err = counter_count_attrs_create(counter, groups + i, count);
999 		if (err < 0)
1000 			return err;
1029 	int err;
1033 	err = kfifo_alloc(&events, val, GFP_KERNEL);
1034 	if (err)
1035 		return err;
1064 	int err;
1067 	err = counter_sysfs_signals_add(counter, cattr_group);
1068 	if (err < 0)
1069 		return err;
1073 	err = counter_sysfs_counts_add(counter, cattr_group);
1074 	if (err < 0)
1075 		return err;
1079 	err = counter_name_attr_create(dev, cattr_group, counter->name);
1080 	if (err < 0)
1081 		return err;
1084 	err = counter_attr_create(dev, cattr_group, &counter_num_signals_comp,
1086 	if (err < 0)
1087 		return err;
1090 	err = counter_attr_create(dev, cattr_group, &counter_num_counts_comp,
1092 	if (err < 0)
1093 		return err;
1096 	err = counter_attr_create(dev, cattr_group,
1098 	if (err < 0)
1099 		return err;
1124 	int err;
1139 	err = counter_sysfs_attr_add(counter, cattr_groups);
1140 	if (err < 0)
1141 		return err;