26  * logic_pio_register_range - register logical PIO range for a host
27  * @new_range: pointer to the IO range to be registered.
31  * Register a new IO range node in the IO range list.
35 	struct logic_pio_hwaddr *range;  in logic_pio_register_range()  local
49 	list_for_each_entry(range, &io_range_list, list) {  in logic_pio_register_range()
50 		if (range->fwnode == new_range->fwnode) {  in logic_pio_register_range()
51 			/* range already there */  in logic_pio_register_range()
54 		if (range->flags == LOGIC_PIO_CPU_MMIO &&  in logic_pio_register_range()
57 			if (start >= range->hw_start + range->size ||  in logic_pio_register_range()
58 			    end < range->hw_start) {  in logic_pio_register_range()
59 				mmio_end = range->io_start + range->size;  in logic_pio_register_range()
64 		} else if (range->flags == LOGIC_PIO_INDIRECT &&  in logic_pio_register_range()
66 			iio_sz += range->size;  in logic_pio_register_range()
70 	/* range not registered yet, check for available space */  in logic_pio_register_range()
79 			pr_warn("Requested IO range too big, new size set to 64K\n");  in logic_pio_register_range()
102  * logic_pio_unregister_range - unregister a logical PIO range for a host
103  * @range: pointer to the IO range which has been already registered.
105  * Unregister a previously-registered IO range node.
107 void logic_pio_unregister_range(struct logic_pio_hwaddr *range)  in logic_pio_unregister_range()  argument
110 	list_del_rcu(&range->list);  in logic_pio_unregister_range()
116  * find_io_range_by_fwnode - find logical PIO range for given FW node
117  * @fwnode: FW node handle associated with logical PIO range
125 	struct logic_pio_hwaddr *range, *found_range = NULL;  in find_io_range_by_fwnode()  local
128 	list_for_each_entry_rcu(range, &io_range_list, list) {  in find_io_range_by_fwnode()
129 		if (range->fwnode == fwnode) {  in find_io_range_by_fwnode()
130 			found_range = range;  in find_io_range_by_fwnode()
139 /* Return a registered range given an input PIO token */
142 	struct logic_pio_hwaddr *range, *found_range = NULL;  in find_io_range()  local
145 	list_for_each_entry_rcu(range, &io_range_list, list) {  in find_io_range()
146 		if (in_range(pio, range->io_start, range->size)) {  in find_io_range()
147 			found_range = range;  in find_io_range()
170 	struct logic_pio_hwaddr *range;  in logic_pio_to_hwaddr()  local
172 	range = find_io_range(pio);  in logic_pio_to_hwaddr()
173 	if (range)  in logic_pio_to_hwaddr()
174 		return range->hw_start + pio - range->io_start;  in logic_pio_to_hwaddr()
190 	struct logic_pio_hwaddr *range;  in logic_pio_trans_hwaddr()  local
192 	range = find_io_range_by_fwnode(fwnode);  in logic_pio_trans_hwaddr()
193 	if (!range || range->flags == LOGIC_PIO_CPU_MMIO) {  in logic_pio_trans_hwaddr()
194 		pr_err("IO range not found or invalid\n");  in logic_pio_trans_hwaddr()
197 	if (range->size < size) {  in logic_pio_trans_hwaddr()
198 		pr_err("resource size %pa cannot fit in IO range size %pa\n",  in logic_pio_trans_hwaddr()
199 		       &size, &range->size);  in logic_pio_trans_hwaddr()
202 	return addr - range->hw_start + range->io_start;  in logic_pio_trans_hwaddr()
207 	struct logic_pio_hwaddr *range;  in logic_pio_trans_cpuaddr()  local
210 	list_for_each_entry_rcu(range, &io_range_list, list) {  in logic_pio_trans_cpuaddr()
211 		if (range->flags != LOGIC_PIO_CPU_MMIO)  in logic_pio_trans_cpuaddr()
213 		if (in_range(addr, range->hw_start, range->size)) {  in logic_pio_trans_cpuaddr()
216 			cpuaddr = addr - range->hw_start + range->io_start;  in logic_pio_trans_cpuaddr()