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