summaryrefslogtreecommitdiffstats
path: root/drivers/base/regmap/regcache-indexed.c
diff options
context:
space:
mode:
authorMark Brown <broonie@opensource.wolfsonmicro.com>2011-11-18 16:53:00 +0000
committerMark Brown <broonie@opensource.wolfsonmicro.com>2011-11-20 20:56:34 +0000
commit4c691664583ef6a91f9ed0e08a75fbd30a5ffd5c (patch)
tree78f9234a8329352e1150ebc5409fe57171dff154 /drivers/base/regmap/regcache-indexed.c
parentb44d48c1ccf70273a91b7d3a920b0b54c3cb314f (diff)
downloadblackbird-op-linux-4c691664583ef6a91f9ed0e08a75fbd30a5ffd5c.tar.gz
blackbird-op-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.c64
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
-};
OpenPOWER on IntegriCloud