1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Out-of-line map I/O functions for simple maps when CONFIG_COMPLEX_MAPPINGS 4 * is enabled. 5 */ 6 7 #include <linux/kernel.h> 8 #include <linux/module.h> 9 10 #include <linux/mtd/map.h> 11 #include <linux/mtd/xip.h> 12 13 static map_word __xipram simple_map_read(struct map_info *map, unsigned long ofs) 14 { 15 return inline_map_read(map, ofs); 16 } 17 18 static void __xipram simple_map_write(struct map_info *map, const map_word datum, unsigned long ofs) 19 { 20 inline_map_write(map, datum, ofs); 21 } 22 23 static void __xipram simple_map_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len) 24 { 25 inline_map_copy_from(map, to, from, len); 26 } 27 28 static void __xipram simple_map_copy_to(struct map_info *map, unsigned long to, const void *from, ssize_t len) 29 { 30 inline_map_copy_to(map, to, from, len); 31 } 32 33 void simple_map_init(struct map_info *map) 34 { 35 BUG_ON(!map_bankwidth_supported(map->bankwidth)); 36 37 map->read = simple_map_read; 38 map->write = simple_map_write; 39 map->copy_from = simple_map_copy_from; 40 map->copy_to = simple_map_copy_to; 41 } 42 43 EXPORT_SYMBOL(simple_map_init); 44 MODULE_LICENSE("GPL"); 45