diff options
Diffstat (limited to 'drivers/base/regmap/regcache-indexed.c')
-rw-r--r-- | drivers/base/regmap/regcache-indexed.c | 64 |
1 files changed, 0 insertions, 64 deletions
diff --git a/drivers/base/regmap/regcache-indexed.c b/drivers/base/regmap/regcache-indexed.c deleted file mode 100644 index 507731ad8ec1..000000000000 --- a/drivers/base/regmap/regcache-indexed.c +++ /dev/null | |||
@@ -1,64 +0,0 @@ | |||
1 | /* | ||
2 | * Register cache access API - indexed caching support | ||
3 | * | ||
4 | * Copyright 2011 Wolfson Microelectronics plc | ||
5 | * | ||
6 | * Author: Dimitris Papastamos <dp@opensource.wolfsonmicro.com> | ||
7 | * | ||
8 | * This program is free software; you can redistribute it and/or modify | ||
9 | * it under the terms of the GNU General Public License version 2 as | ||
10 | * published by the Free Software Foundation. | ||
11 | */ | ||
12 | |||
13 | #include <linux/slab.h> | ||
14 | |||
15 | #include "internal.h" | ||
16 | |||
17 | static int regcache_indexed_read(struct regmap *map, unsigned int reg, | ||
18 | unsigned int *value) | ||
19 | { | ||
20 | int ret; | ||
21 | |||
22 | ret = regcache_lookup_reg(map, reg); | ||
23 | if (ret >= 0) | ||
24 | *value = map->reg_defaults[ret].def; | ||
25 | |||
26 | return ret; | ||
27 | } | ||
28 | |||
29 | static int regcache_indexed_write(struct regmap *map, unsigned int reg, | ||
30 | unsigned int value) | ||
31 | { | ||
32 | int ret; | ||
33 | |||
34 | ret = regcache_lookup_reg(map, reg); | ||
35 | if (ret < 0) | ||
36 | return regcache_insert_reg(map, reg, value); | ||
37 | map->reg_defaults[ret].def = value; | ||
38 | return 0; | ||
39 | } | ||
40 | |||
41 | static int regcache_indexed_sync(struct regmap *map) | ||
42 | { | ||
43 | unsigned int i; | ||
44 | int ret; | ||
45 | |||
46 | for (i = 0; i < map->num_reg_defaults; i++) { | ||
47 | ret = _regmap_write(map, map->reg_defaults[i].reg, | ||
48 | map->reg_defaults[i].def); | ||
49 | if (ret < 0) | ||
50 | return ret; | ||
51 | dev_dbg(map->dev, "Synced register %#x, value %#x\n", | ||
52 | map->reg_defaults[i].reg, | ||
53 | map->reg_defaults[i].def); | ||
54 | } | ||
55 | return 0; | ||
56 | } | ||
57 | |||
58 | struct regcache_ops regcache_indexed_ops = { | ||
59 | .type = REGCACHE_INDEXED, | ||
60 | .name = "indexed", | ||
61 | .read = regcache_indexed_read, | ||
62 | .write = regcache_indexed_write, | ||
63 | .sync = regcache_indexed_sync | ||
64 | }; | ||