32 	.start	= 0,
40 	.start	= 0,
109 	unsigned long long start, end;  in r_show()  local
118 		start = r->start;  in r_show()
121 		start = end = 0;  in r_show()
126 			width, start,  in r_show()
133 	.start	= r_start,
187 	resource_size_t start = new->start;  in __request_resource()  local
191 	if (end < start)  in __request_resource()
193 	if (start < root->start)  in __request_resource()
200 		if (!tmp || tmp->start > end) {  in __request_resource()
207 		if (tmp->end < start)  in __request_resource()
260 		tmp->start = 0;  in __release_child_resources()
341 static int find_next_iomem_res(resource_size_t start, resource_size_t end,  in find_next_iomem_res()  argument
351 	if (start >= end)  in find_next_iomem_res()
358 		if (p->start > end) {  in find_next_iomem_res()
364 		if (p->end < start)  in find_next_iomem_res()
385 		res->start = max(start, p->start);  in find_next_iomem_res()
395 static int __walk_iomem_res_desc(resource_size_t start, resource_size_t end,  in __walk_iomem_res_desc()  argument
403 	while (start < end &&  in __walk_iomem_res_desc()
404 	       !find_next_iomem_res(start, end, flags, desc, first_lvl, &res)) {  in __walk_iomem_res_desc()
409 		start = res.end + 1;  in __walk_iomem_res_desc()
431 int walk_iomem_res_desc(unsigned long desc, unsigned long flags, u64 start,  in walk_iomem_res_desc()  argument
434 	return __walk_iomem_res_desc(start, end, flags, desc, false, arg, func);  in walk_iomem_res_desc()
445 int walk_system_ram_res(u64 start, u64 end, void *arg,  in walk_system_ram_res()  argument
450 	return __walk_iomem_res_desc(start, end, flags, IORES_DESC_NONE, true,  in walk_system_ram_res()
458 int walk_mem_res(u64 start, u64 end, void *arg,  in walk_mem_res()  argument
463 	return __walk_iomem_res_desc(start, end, flags, IORES_DESC_NONE, true,  in walk_mem_res()
478 	resource_size_t start, end;  in walk_system_ram_range()  local
484 	start = (u64) start_pfn << PAGE_SHIFT;  in walk_system_ram_range()
487 	while (start < end &&  in walk_system_ram_range()
488 	       !find_next_iomem_res(start, end, flags, IORES_DESC_NONE,  in walk_system_ram_range()
490 		pfn = PFN_UP(res.start);  in walk_system_ram_range()
496 		start = res.end + 1;  in walk_system_ram_range()
536 int region_intersects(resource_size_t start, size_t size, unsigned long flags,  in region_intersects()  argument
543 	res.start = start;  in region_intersects()
544 	res.end = start + size - 1;  in region_intersects()
576 	return avail->start;  in simple_align_resource()
582 	if (res->start < min)  in resource_clip()
583 		res->start = min;  in resource_clip()
600 	tmp.start = root->start;  in __find_resource()
605 	if (this && this->start == root->start) {  in __find_resource()
606 		tmp.start = (this == old) ? old->start : this->end + 1;  in __find_resource()
611 			tmp.end = (this == old) ?  this->end : this->start - 1;  in __find_resource()
615 		if (tmp.end < tmp.start)  in __find_resource()
622 		avail.start = ALIGN(tmp.start, constraint->align);  in __find_resource()
625 		if (avail.start >= tmp.start) {  in __find_resource()
627 			alloc.start = constraint->alignf(constraint->alignf_data, &avail,  in __find_resource()
629 			alloc.end = alloc.start + size - 1;  in __find_resource()
630 			if (alloc.start <= alloc.end &&  in __find_resource()
632 				new->start = alloc.start;  in __find_resource()
642 			tmp.start = this->end + 1;  in __find_resource()
682 		old->start = new.start;  in reallocate_resource()
693 		old->start = new.start;  in reallocate_resource()
763 struct resource *lookup_resource(struct resource *root, resource_size_t start)  in lookup_resource()  argument
769 		if (res->start == start)  in lookup_resource()
795 		if ((first->start > new->start) || (first->end < new->end))  in __insert_resource()
797 		if ((first->start == new->start) && (first->end == new->end))  in __insert_resource()
803 		if (next->start < new->start || next->end > new->end)  in __insert_resource()
807 		if (next->sibling->start > new->end)  in __insert_resource()
899 		if (conflict->start < new->start)  in insert_resource_expand_to_fit()
900 			new->start = conflict->start;  in insert_resource_expand_to_fit()
935 static int __adjust_resource(struct resource *res, resource_size_t start,  in __adjust_resource()  argument
939 	resource_size_t end = start + size - 1;  in __adjust_resource()
945 	if ((start < parent->start) || (end > parent->end))  in __adjust_resource()
948 	if (res->sibling && (res->sibling->start <= end))  in __adjust_resource()
955 		if (start <= tmp->end)  in __adjust_resource()
961 		if ((tmp->start < start) || (tmp->end > end))  in __adjust_resource()
964 	res->start = start;  in __adjust_resource()
982 int adjust_resource(struct resource *res, resource_size_t start,  in adjust_resource()  argument
988 	result = __adjust_resource(res, start, size);  in adjust_resource()
995 __reserve_region_with_split(struct resource *root, resource_size_t start,  in __reserve_region_with_split()  argument
1008 	res->start = start;  in __reserve_region_with_split()
1025 		if (conflict->start <= res->start &&  in __reserve_region_with_split()
1033 		if (conflict->start > res->start) {  in __reserve_region_with_split()
1035 			res->end = conflict->start - 1;  in __reserve_region_with_split()
1043 				next_res->start = conflict->end + 1;  in __reserve_region_with_split()
1049 			res->start = conflict->end + 1;  in __reserve_region_with_split()
1056 reserve_region_with_split(struct resource *root, resource_size_t start,  in reserve_region_with_split()  argument
1062 	if (root->start > start || root->end < end) {  in reserve_region_with_split()
1064 		       (unsigned long long)start, (unsigned long long)end,  in reserve_region_with_split()
1066 		if (start > root->end || end < root->start)  in reserve_region_with_split()
1071 			if (start < root->start)  in reserve_region_with_split()
1072 				start = root->start;  in reserve_region_with_split()
1074 			       (unsigned long long)start,  in reserve_region_with_split()
1080 		__reserve_region_with_split(root, start, end, name);  in reserve_region_with_split()
1096 		return res->start;  in resource_alignment()
1124 				   resource_size_t start, resource_size_t n,  in __request_region()  argument
1134 	res->start = start;  in __request_region()
1135 	res->end = start + n - 1;  in __request_region()
1191 void __release_region(struct resource *parent, resource_size_t start,  in __release_region()  argument
1198 	end = start + n - 1;  in __release_region()
1207 		if (res->start <= start && res->end >= end) {  in __release_region()
1212 			if (res->start != start || res->end != end)  in __release_region()
1227 		"<%016llx-%016llx>\n", (unsigned long long)start,  in __release_region()
1254 				  resource_size_t start, resource_size_t size)  in release_mem_region_adjustable()  argument
1262 	end = start + size - 1;  in release_mem_region_adjustable()
1263 	if ((start < parent->start) || (end > parent->end))  in release_mem_region_adjustable()
1273 		if (res->start >= end)  in release_mem_region_adjustable()
1277 		if (res->start > start || res->end < end) {  in release_mem_region_adjustable()
1306 		if (res->start == start && res->end == end) {  in release_mem_region_adjustable()
1311 		} else if (res->start == start && res->end != end) {  in release_mem_region_adjustable()
1315 		} else if (res->start != start && res->end == end) {  in release_mem_region_adjustable()
1317 			ret = __adjust_resource(res, res->start,  in release_mem_region_adjustable()
1318 						start - res->start);  in release_mem_region_adjustable()
1326 			new_res->start = end + 1;  in release_mem_region_adjustable()
1334 			ret = __adjust_resource(res, res->start,  in release_mem_region_adjustable()
1335 						start - res->start);  in release_mem_region_adjustable()
1426 	resource_size_t start;  member
1434 	__release_region(this->parent, this->start, this->n);  in devm_region_release()
1442 		this->start == match->start && this->n == match->n;  in devm_region_match()
1447 		      resource_size_t start, resource_size_t n, const char *name)  in __devm_request_region()  argument
1458 	dr->start = start;  in __devm_request_region()
1461 	res = __request_region(parent, start, n, name, 0);  in __devm_request_region()
1472 			   resource_size_t start, resource_size_t n)  in __devm_release_region()  argument
1474 	struct region_devres match_data = { parent, start, n };  in __devm_release_region()
1476 	__release_region(parent, start, n);  in __devm_release_region()
1515 			res->start = io_start;  in reserve_setup()
1544 		if (p->start >= addr + size)  in iomem_map_sanity_check()
1548 		if (PFN_DOWN(p->start) <= PFN_DOWN(addr) &&  in iomem_map_sanity_check()
1600 		if (p->start >= addr + size)  in iomem_is_exclusive()
1657 	for (; addr > size && addr >= base->start; addr -= size) {  in __request_free_mem_region()