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author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-11-18 16:53:00 +0000 |
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committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-11-20 20:56:34 +0000 |
commit | 4c691664583ef6a91f9ed0e08a75fbd30a5ffd5c (patch) | |
tree | 78f9234a8329352e1150ebc5409fe57171dff154 /drivers/base/regmap/regcache-indexed.c | |
parent | b44d48c1ccf70273a91b7d3a920b0b54c3cb314f (diff) | |
download | linux-4c691664583ef6a91f9ed0e08a75fbd30a5ffd5c.tar.gz linux-4c691664583ef6a91f9ed0e08a75fbd30a5ffd5c.tar.bz2 linux-4c691664583ef6a91f9ed0e08a75fbd30a5ffd5c.zip |
regmap: Remove indexed cache type
There should be no situation where it offers any advantage over rbtree
and there are no current users so remove the code for simplicity.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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 @@ -/* - * Register cache access API - indexed caching support - * - * Copyright 2011 Wolfson Microelectronics plc - * - * Author: Dimitris Papastamos <dp@opensource.wolfsonmicro.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/slab.h> - -#include "internal.h" - -static int regcache_indexed_read(struct regmap *map, unsigned int reg, - unsigned int *value) -{ - int ret; - - ret = regcache_lookup_reg(map, reg); - if (ret >= 0) - *value = map->reg_defaults[ret].def; - - return ret; -} - -static int regcache_indexed_write(struct regmap *map, unsigned int reg, - unsigned int value) -{ - int ret; - - ret = regcache_lookup_reg(map, reg); - if (ret < 0) - return regcache_insert_reg(map, reg, value); - map->reg_defaults[ret].def = value; - return 0; -} - -static int regcache_indexed_sync(struct regmap *map) -{ - unsigned int i; - int ret; - - for (i = 0; i < map->num_reg_defaults; i++) { - ret = _regmap_write(map, map->reg_defaults[i].reg, - map->reg_defaults[i].def); - if (ret < 0) - return ret; - dev_dbg(map->dev, "Synced register %#x, value %#x\n", - map->reg_defaults[i].reg, - map->reg_defaults[i].def); - } - return 0; -} - -struct regcache_ops regcache_indexed_ops = { - .type = REGCACHE_INDEXED, - .name = "indexed", - .read = regcache_indexed_read, - .write = regcache_indexed_write, - .sync = regcache_indexed_sync -}; |